Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series TMOV® and iTMOV® Varistor Series RoHS Description The Littelfuse TMOV® and iTMOV® thermally protected varistors represent a new development in integrated circuit protection. Both versions are comprised of radial leaded Metal Oxide Varistors (MOVs) with an integrated thermally activated element designed to open in the event of overheating due to the abnormal overvoltage, limited current, conditions outlined in UL1449. The TMOV® and iTMOV® varistor’s integrated thermal element, in conjunction with appropriate enclosure design, helps facilitate SPD module compliance to UL1449 for both cord connected and permanently connected applications. The TMOV® and iTMOV® varistors offer quick thermal response due to the close proximity of the integrated thermal element to the MOV body. The integrated Agency Approvals configuration also offers lower inductance than most discrete solutions resulting in improved clamping Agency Agency Approval Agency File Number performance to fast overvoltage transients. UL1449 E320116 The iTMOV® varistor differs from the TMOV® varistor by the inclusion of a third lead for the purpose of indicating that QC 42201-C001, the MOV has been disconnected from the circuit. This lead QC 42201-A001, IECQ-C BSI 15.0009 IEC 60950-1 (Annex Q) facilitates connection to monitoring circuitry. IEC 61051-1, Additionally TMOV® and iTMOV® varistors are wave IEC 61051-2, 40021525 solderable, thus simplifying end product assembly by IEC 60950-1 (Annex Q) reducing the the expense and rework associated with hand soldering operations. Additional Information Features • RoHS compliant • -55°C to +85°C Halogen-Free and operating temp range Lead–free available • Three-lead version Datasheet Resources Samples • Designed to facilitate available for indication iTMOV iTMOV iTMOV compliance to UL1449 purposes for SPD products • High peak surge current rating up to 10kA Datasheet Resources Samples • Wave solderable TMOV TMOV TMOV • Standard lead form and spacing option Applications • SPD Products • GFCI (Ground Fault • AC Panel Protection Current Interupter) Modules • UPS (Uninterruptable • AC Line Power Supplies Power Supply) • White Goods • Surge Protected Strip Connectors • Plug-in SPD • AC Power Meters • Inverters • Relocatable AC • AC/DC Power Supplies Power Taps © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Absolute Maximum Ratings • For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous TMOV® and iTMOV® Varistor Series Units Steady State Applied Voltage AC Voltage Range (V ) 115 to 750 V M(AC)RMS Transient Peak Pulse Current (I ) - For 8x20µs Current Wave, single pulse 6,000 to 10,000 A TM Single-Pulse Energy Capability - For 2ms Current Wave 35 to 480 J Operating Ambient Temperature Range (T) -55 to +85 °C A Storage Temperature Range (T ) -55 to +125 °C STG Temperature Coefficient (αV) of Clamping Voltage (V) at Specified Test Current <0.01 %/°C C Hi-Pot Encapsulation (COATING Isolation Voltage Capability) 2,500 V Thermal Protection Isolation Voltage Capability (when operated) 600 V COATING Insulation Resistance 1,000 MΩ Indicator Lead Rating (Lead-3 - iTMOV® varistor only): Continuous RMS current 100 mA Surge Current, 8/20µs 10,000 A CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Ratings & Specifications Maximum Rating (85°C) Specifications (25°C) TMOV® Varistor iTMOV® Varistor Continuous Transient Varistor Maximum Typical Lead–free And RoHS Lead–free and RoHS Voltage at Clamping Capaci- Compliant Models Compliant Models Disc AC DC Energy Peak Surge Current 1mA Test Voltage tance Diameter Volts Volts 2ms 8/20µs Current 8/20µs f = 1MHz I 1 × I 2 × V V Part Branding Part Branding VM(AC)RMS VM(DC) WTM PTMulse PTMulse MN(iDnC) MNa(DxC) VC IPK C Number Number (mm) (V) (V) (J) (A) (A) (V) (V) (A) (pF) TMOV14RP115E P4T115E TMOV14RP115M P4T115M 14 115 150 35 6000 4500 162 198 300 50 1100 TMOV20RP115E P2T115E TMOV20RP115M P2T115M 20 115 150 52 10000 6500 162 198 300 100 2400 TMOV14RP130E P4T130E TMOV14RP130M P4T130M 14 130 170 50 6000 4500 184.5 225.5 340 50 1000 TMOV20RP130E P2T130E TMOV20RP130M P2T130M 20 130 170 100 10000 6500 184.5 225.5 340 100 1900 TMOV14RP140E P4T140E TMOV14RP140M P4T140M 14 140 180 55 6000 4500 198 242 360 50 900 TMOV20RP140E P2T140E TMOV20RP140M P2T140M 20 140 180 110 10000 6500 198 242 360 100 1750 TMOV14RP150E P4T150E TMOV14RP150M P4T150M 14 150 200 60 6000 4500 216 264 395 50 800 TMOV20RP150E P2T150E TMOV20RP150M P2T150M 20 150 200 120 10000 6500 216 264 395 100 1600 TMOV14RP175E P4T175E TMOV14RP175M P4T175M 14 175 225 70 6000 4500 243 297 455 50 700 TMOV20RP175E P2T175E TMOV20RP175M P2T175M 20 175 225 135 10000 6500 243 297 455 100 1400 TMOV14RP200E P4T200E TMOV14RP200M P4T200M 14 200 260 75 6000 4500 283 345 530 50 630 TMOV20RP200E P2T200E TMOV20RP200M P2T200M 20 200 260 154 10000 6500 283 345 530 100 1250 TMOV14RP230E P4T230E TMOV14RP230M P4T230M 14 230 300 80 6000 4500 324 396 595 50 550 TMOV20RP230E P2T230E TMOV20RP230M P2T230M 20 230 300 160 10000 6500 324 396 595 100 1100 TMOV14RP250E P4T250E TMOV14RP250M P4T250M 14 250 320 100 6000 4500 351 429 650 50 500 TMOV20RP250E P2T250E TMOV20RP250M P2T250M 20 250 320 170 10000 6500 351 429 650 100 1000 TMOV14RP275E P4T275E TMOV14RP275M P4T275M 14 275 350 110 6000 4500 387 473 710 50 450 TMOV20RP275E P2T275E TMOV20RP275M P2T275M 20 275 350 190 10000 6500 387 473 710 100 900 TMOV14RP300E P4T300E TMOV14RP300M P4T300M 14 300 385 125 6000 4500 423 517 775 50 400 TMOV20RP300E P2T300E TMOV20RP300M P2T300M 20 300 385 250 10000 6500 423 517 775 100 800 TMOV14RP320E P4T320E TMOV14RP320M P4T320M 14 320 420 136 6000 4500 459 561 840 50 380 TMOV20RP320E P2T320E TMOV20RP320M P2T320M 20 320 420 270 10000 6500 459 561 840 100 750 TMOV14RP385E P4T385E TMOV14RP385M P4T385M 14 385 505 150 6000 4500 558 682 1025 50 360 TMOV20RP385E P2T385E TMOV20RP385M P2T385M 20 385 505 300 10000 6500 558 682 1025 100 700 TMOV14RP420E P4T420E TMOV14RP420M P4T420M 14 420 560 160 6000 4500 612 748 1120 50 300 TMOV20RP420E P2T420E TMOV20RP420M P2T420M 20 420 560 320 10000 6500 612 748 1120 100 600 TMOV14RP460E P4T460E TMOV14RP460M P4T460M 14 460 610 180 6000 4500 675 825 1240 50 220 TMOV20RP460E P2T460E TMOV20RP460M P2T460M 20 460 610 360 10000 6500 675 825 1240 100 200 TMOV14RP510E P4T510E TMOV14RP510M P4T510M 14 510 670 185 6000 4500 738 902 1355 50 200 TMOV20RP510E P2T510E TMOV20RP510M P2T510M 20 510 670 325 10000 6500 738 902 1355 100 350 TMOV14RP550E P4T550E TMOV14RP550M P4T550M 14 550 715 190 6000 4500 819 1001 1500 50 180 TMOV20RP550E P2T550E TMOV20RP550M P2T550M 20 550 715 360 10000 6500 819 1001 1500 100 300 © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Ratings & Specifications Maximum Rating (85°C) Specifications (25°C) TMOV® Varistor iTMOV® Varistor Continuous Transient Typical Lead–free And RoHS Lead–free and RoHS Varistor Voltage at Maximum Capaci- Compliant Models Compliant Models Disc AC DC Energy Peak Surge 1mA Test Current Clamping Voltage tance Diameter Volts Volts 2ms Current 8/20µs 8/20µs f = 1MHz I 1 × I 2 × V Part Branding Part Branding VM(AC)RMS VM(DC) WTM PTMulse PTMulse MN(iDnC) VN(DC) Max VC IPK C Number Number (mm) (V) (V) (J) (A) (A) (V) (V) (A) (pF) TMOV14RP575E P4T575E TMOV14RP575M P4T575M 14 575 730 195 6000 4500 857 1047 1568 50 170 TMOV20RP575E P2T575E TMOV20RP575M P2T575M 20 575 730 375 10000 6500 857 1047 1568 100 275 TMOV14RP625E P4T625E TMOV14RP625M P4T625M 14 625 825 200 6000 4500 900 1100 1650 50 160 TMOV20RP625E P2T625E TMOV20RP625M P2T625M 20 625 825 400 10000 6500 900 1100 1650 100 250 TMOV14RP750E P4T750E TMOV14RP750M P4T750M 14 750 970 210 6000 4500 1080 1320 1980 50 140 TMOV20RP750E P2T750E TMOV20RP750M P2T750M 20 750 970 480 10000 6500 1080 1320 1980 100 175 Figure 1. Thermal Characteristics Figure 2. Current, Energy, Power Derating Curve 10 100 Typical E U 5A VAL 80 2.5A D 0.5A E 0.125A AT 60 1 R F O NT 40 E C R E P 20 0.1 10 100 1000 10000 0 -55 50 60 70 80 90 100 110 120 130 Time(s) AMBIENT TEMPERATURE (oC) * Figure 4: Typical time to open circuit under UL1449 Note : Th e A TbMnOorVm®a al nOdv eiTrMvoOltaVg®e v Lairmisittoerds Caurerr einntte Tnedset d, in conjunction For applications exceeding 85°C ambient temperature, the peak with appropriate enclosure design, to help facilitate SPD module surge current and energy ratings must be reduced as shown compliance to UL 1449, 3rd Edition Section 39.4 (abnormal above. overvoltage limited current requirements). Under these extreme abnormal overvoltage conditions, some units will exhibit substantial heating, arcing and venting prior to opening. Modules should be designed to contain this possibility. Application testing is strongly recommended. Figure 3. Maximum Clamping Voltage for 14mm Parts Figure 4. Maximum Clamping Voltage for 20mm Parts 10000 Maximum Clamping Voltage 10000 750V Maximum Clamping Voltage Clamping Voltage (V) 1000 Maximum Leakage Current 255346433571586222075005050005VVVVVVVVVV Clamping Voltage (V) 1000 Maximum Leakage Current 523534643557810622270550005005VVVVVVVVVV 750V 250V 250V 230V 230V 200V 200V 175V 175V 100 111115345000VVVV 100 111151340500VVVV 0.000001 0.000010.0001 0.001 0.01 0.1 1 10 100 1000 10000 0.0000010.000010.0001 0.001 0.01 0.1 1 10 100 1000 10000 Peak Current (A) Peak Current (A) Figure 7: V-I Characteristic Curves for 20mm Types Figure 6: V-I Characteristic Curves for 14mm Types © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Figure 5. Repetitive Surge Capability for 14mm Parts Figure 6. Repetitive Surge Capability for 20mm Parts 10000 1 2 15 10000 1 2 15 102 102 103 103 104 104 1000 105 1000 105 A) 106 A) 106 Peak Current ( 100 Peak Current ( 100 10 10 1 1 10 100 1000 10000 10 100 1000 10000 Impulse Duration (µs) Impulse Duration (μs) Note: Average power dissipation of transients should not exceed 0.6W Note: Average power dissipation of transients should not exceed 1.0W Figure 8: Pulse Rating Curves for 14mm types Note: Repetitive surge capability is qualified and tested based on 8/20us current waveform (not combination waveform) and UL1449 40.7.3 (Edition 4) test condition Figure 9: Pulse Rating Curves for 20mm types Wave Solder Profile Because the TMOV® and iTMOV® varistors contain a thermal protection device, care must be taken when soldering the devices into place. Two soldering methods are possible. Firstly, hand soldering: It is recommended to heat-sink the leads of the device. Secondly, wave solder- ing: It is critically important that all preheat stage and the solder bath temperatures are rigidly controlled. Figure 7. Non Lead–free Profile Figure 8. Lead–free Profile 300 300 Maximum Wave 260C Maximum Wave 240C 250 250 C) C) E (º 200 E (º 200 R R U U T T A 150 A 150 R R E E P P M 100 M 100 E E T T 50 50 0 0 0 0.5 1 1.5 2 2.5 3 3.5 4 0 0.5 1 1.5 2 2.5 3 3.5 4 TIME(MINUTES) TIME(MINUTES) Physical Specifications Environmental Specifications Lead Material Copper clad steel wire Operating/Storage Temperature -55°C to +85°C Soldering Solderability per MIL–STD–202, +85°C, 85% RH , 1000 hours Humidity Aging Characteristics Method 208 +/-10% typical voltage change Insulating Cured, flame retardant epoxy polymer meets UL94 V–0 +85°C to -55°C 5 times Thermal Shock Material requirements +/-10% typical voltage change Device Labeling Marked with LF, voltage, UL/CSA logos, and date code Solvent Resistance MIL–STD–202, Method 215 Moisture Sensitivity Level 1, J-STD-020 © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Lead Configurations TMOV® Varistor iTMOV® Varistor 2 Thermal Thermal Fuse Fuse Element Element 3 Monitor Lead Line MOV 3 MOV Line Fuse Note: MOVs are non-polarized passive elements 1iTMOV VarMist2oornitor Lead1 LED To Protected Circuit R iTMOV® Varistor Application Examples Neutral The application examples below show how the indicator lead on the iTMOV® varistor can be used to indicate that the Figure 1. Application example 1 thermal element has been opened. This signifies that the circuit is no longer protected from transients by the MOV. Line Application Example 1 Application Example 3 Line Fuse Itnh ethrmisLa incel aesleem, tehnet LoEpDe niss .normally on, and is off when the Ttoohhppeiees rri TaacMttireiocdOnu V iwtt ®hih lelveu anlsor tiiaosTrMadvtOot eVesr rV wsavtr ioostittho lctreeahn g usreeus lerpae ryo o tfsht eotahcltee tein omqoRnui odippn ArimCsie tO PosTpeOeCroOniUnnPwtLEtg Ri.es lIr eneoa dnnd loy vor iamf To Protected Circuittahl e TO STATUS indicator lead of the iTMOV® varistor. In the eveAnNNtU NoCIAfTO Rthe Line Fuse LIGHT/ALARM thermal eleNmeuteranl t being activated, the relay will de-activate, Line iTMOV Varistor LED To Protected Circuit cilluutmtininga pFtigeoLuir.nwee 2.e Aprp lticoati otnh exeam ppler 2otected circuit and the fault LED will R Line Fuse Line Fuse L(looasds oSfw pirtocthe Rcteiloany) ApFpigLulirinece 1NLa.i enAuetpt FrpiauloilsceainTtiMo nEO eVxx aVmaarpismleto 1rple 2 LEDR To Protected Circuit iTMOV Varistor F(Nauolrtm LaElDlyoff) " nLeooand lPaomwpered" To Protected Circuit This circuit utilizes an optocoupler to provide R ganaldv aFtihngLuieirnece 1N i.i neAsupdtorpaliillccaaiTtatiMoitnoOi enVnx aVgmsar pi solbeto r1re atwlaremen c tirhceu iitTrRMy.OACV OP®TO COvUPaLErRistor To Protected Circuit Please nFigourtee 3N.: eA uIptnrpalildcatiicona etxaomrp lec 3ircuits are provided as a TO STATUS guideline only. Verification of actual indicator circuitry ANNUNCIATOR Line Fuse LIGHT/ALARM is the responsibility of the end user. Component FigLuirnee 2N. eAuptpralilcaitTiMonO eVx aVmarpisleto 2r R AC OPTOCOUPLERTO STATUS To Protected Circuit vAaClu leinse s veoleltcatgeed smeruvsict eb ea nadp parpopplirciaatteio fno.r the specific ANNUNCIATOR LineN eFuustreal L(looasds oSfw pirtocthe RcteiloLanIyG)HT/ALARM FigLuirLneien 2e. FAupspelicaitTioMnO eVx aVmaprilset o2r F(Nauolrtm LaElDlyoff) L(looasds oSfw pirtocR" thnLe eoRcoatenidlo alPnayo)mwpered" To Protected Circuit Neutral "Load Powered" Figure 3. ApplicaiTtiMonO eVx aVmarpisleto 3r F(Nauolrtm LaElDlyoff) neon lamp To Protected Circuit Specifications are subject to ch©a n2g0R1e9e w vLiiistthteeodluf: ut1 s0ne/o0, t1Iinc/1ce9.. R Neutral Figure 3. Application example 3

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Device Dimensions Straight Lead Forms Curved Lead Forms TMOV® Varistor iTMOV® Varistor TMOV® Varistor iTMOV® Varistor (outer crimp) (inner crimp) Dia D Dia D Dia D Dia D A A Monitor Monitor Lead Lead L3 L3 Seating L L Plane Dia c Dia c Dia b Dia b e3 Dia b Dia b e3 E E E E e e1 e e1 e e1 e e1 e2 e2 TMOV® Varistor iTMOV® Varistor V Dimension VolRtMaSge 14mm Size 20mm Size 14mm Size 20mm Size Model Min. Max. Min. Max. Min. Max. Min. Max. mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) mm (in) A ALL 17.0 (0.669) 22.0 (0.866) 23.0 (0.906) 28.0 (1.10) 17.0 (0.669) 22.0 (0.866) 23.0 (0.906) 28.0 (1.10) Straight Lead A ALL -- 22.5 (0.886) -- 31.0 (1.221) -- 22.5 (0.886) -- 31.0 (1.221) Crimped Lead Dia D ALL 13.5 (0.531) 17.0 (0.669) 19.0 (0.748) 23.0 (0.906) 13.5 (0.531) 17.0 (0.669) 19.0 (0.748) 23.0 (0.906) e ALL 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 115-175 1.5 (0.059) 4.0 (0.157) 1.5 (0.059) 4.0 (0.157) 1.5 (0.059) 4.0 (0.157) 1.5 (0.059) 4.0 (0.157) e1 200-275 2.0 (0.079) 4.5 (0.177) 2.0 (0.079) 4.5 (0.177) 2.0 (0.079) 4.5 (0.177) 2.0 (0.079) 4.5 (0.177) Bulk Pack 300-420 3.0 (0.118) 5.5 (0.217) 3.0 (0.118) 5.5 (0.217) 3.0 (0.118) 5.5 (0.217) 3.0 (0.118) 5.5 (0.217) 460-750 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) e1 115-420 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) Tape & Reel and In-Line Lead 460-550* 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) 0 2.0 (0.079) e2 ALL n/a n/a n/a n/a 4.0 (0.157) 6.0 (0.236) 4.0 (0.157) 6.0 (0.236) e3 ALL n/a n/a n/a n/a 0 2.0 (0.079) 0 2.0 (0.079) 115-175 -- 9.0 (0.354) -- 9.0 (0.354) -- 9.0 (0.354) -- 9.0 (0.354) 200-275 -- 9.5 (0.374) -- 9.5 (0.374) -- 9.5 (0.374) -- 9.5 (0.374) E 300-460 -- 11.0 (0.433) -- 11.0 (0.433) -- 11.0 (0.433) -- 11.0 (0.433) 510-575 -- 12.0 (0.472) -- 12.0 (0.472) -- 12.0 (0.472) -- 12.0 (0.472) 625-750 -- 13.0 (0.512) -- 13.0 (0.512) -- 13.0 (0.512) -- 13.0 (0.512) L ALL 25.4 (1.00) -- 25.4 (1.00) -- 25.4 (1.00) -- 25.4 (1.00) -- L3 ALL n/a n/a n/a n/a 6.0 (0.236) -- 6.0 (0.236) -- 115-420 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) Dia b 460-750 0.76 (0.030) 0.86 (0.034) 0.95 (0.037) 1.05 (0.041) 0.76 (0.030) 0.86 (0.034) 0.95 (0.037) 1.05 (0.041) Dia c ALL n/a n/a n/a n/a 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) Outside Lead Only NOTES: * Tape and Reel packaging option is available only for devices up to 420Vrms. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Tape and Reel Specification iTMOV® VARISTOR WITH INNER CRIMP TMOV® VARISTOR WITH OUTER CRIMP P E P E P2 ∆P ∆P P2 ∆P ∆P ∆H ∆H ∆H ∆H B1 B1 H1 S PELAATNINEG C H1 S PELAATNINEG C W0 W2 W1 W0 W2 W1 H0 Øb H0 Øb W W ØD0 ØD0 P1P0 F t P1P0 F t iTMOV® VARISTOR WITH STRAIGHT LEADS TMOV® VARISTOR WITH STRAIGHT LEADS P E P E P2 ∆P ∆P P2 ∆P ∆P ∆H ∆H ∆H ∆H H1 H1 H W0 W2 W1 H W0 W2 W1 Øb Øb L L W W ØD0 ØD0 P1P0 F t P1P0 F t Crimped Leads Straight Leads Description Model Size Model Size 14mm 20mm 14mm 20mm B Component Top to Seating Plane 22.5 Max 31 Max 22.0 Max 28.0 Max 1 P Pitch of Component 25.4 +/- 1.0 25.4 +/- 1.0 25.4 ±1.0 25.4 ±1.0 P Feed Hole Pitch 12.7 +/- 0.2 12.7 +/- 0.2 12.7 ±0.2 12.7 ±0.2 0 P Feed Hole Center to Pitch 8.95 +/- 0.7 8.95 +/- 0.7 8.95 ±0.7 8.95 ±0.7 1 P Hole Center to Component Center 12.7 +/- 0.7 12.7 +/- 0.7 12.7 ±0.7 12.7 ±0.7 2 F Lead to Lead Distance 7.5 +/- 0.8 7.5 +/- 0.8 7.5 ±0.8 7.5 ±0.8 Δh Component Alignment 2.0 Max 2.0 Max 2.0 Max 2.0 Max W Tape Width 18.0 +1.0/-0.5 18.0 +1.0/-0.5 18.0 +1.0/-0.5 18.0 +1.0/-0.5 W Hold Down Tape Width 12.0 +/- 0.3 12.0 +/- 0.3 12.0 ±0.3 12.0 ±0.3 0 W Hole Position 9.0 +0.75/-0.50 9.0 +0.75/-0.50 9.0 +0.75/-0.5 9.0 +0.75/-0.5 1 W Hold Down Tape Position 0.5 Max 0.5 Max 0.5 Max 0.5 Max 2 NOTES: H Height from Tape Centre to Component Base -- -- 18.0 +2.0/-0 18.0 +2.0/-0 • Dimensions in mm (non-crimped parts) • Reel capacity varies with voltage. H0 Seating Plane Height (crimped parts only) 16.0 +/- 0.5 16.0 +/- 0.5 -- -- • Leads are crimped and in-line. This H Component Height 40.0 Max 46.5 Max 40.0 Max 46.5 Max excludes the monitor lead on iTMOV® 1 varistor which are not crimped and not C Crimp Length (crimped parts only) 2.6 typ 2.6 typ -- -- in-line. • To order tape and reel option please D0 Feed Hole Diameter 4.0 +/- 0.2 4.0 +/- 0.2 4.0 ±0.2 4.0 ±0.2 add suffix 'L2T7' to end of standard part t Total Tape Thickness 0.7 +/- 0.2 0.7 +/- 0.2 0.7 ±0.2 0.7 ±0.2 number. • Tape and reel option is available for rated L Length of Clipped Lead 11.0 Max 11.0 Max 11.0 Max 11.0 Max voltages up to 420V. Contact factory 3 deg Max, 3 deg Max, regarding availability of higher voltages. Δp Component Alignment 3 Max. 1.00mm 3 Max 1.0mm Max 1.0mm Max • Contact Littelfuse for additional details. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19

Metal-Oxide Varistors (MOVs) Radial Lead Varistors > TMOV® and iTMOV® Varistor Series Part Numbering System Base Part Codes Option Codes1 (See ratings & specifications tables and notes below) (See below) TMOV 20 R P 150 E XXXXX DEVICE FAMILY NON-STANDARD LEAD FORM, PACKAGING Littelfuse Thermally Protected MOV and LEAD SPACING OPTIONS1: DISC DIAMETER (mm) L2B7: Lead Form: Crimped and In-Line2 Leads 14 or 20mm Packaging: Bulk Pack CERAMIC SHAPE Lead Spacing3: 7.5mm R: Round LEAD-FREE/RoHS L2T7: Lead Form: Crimped and In-Line2 Leads COMPLIANT INDICATOR Packaging: Tape and Reel4 Lead Spacing3: 7.5mm V M(AC)RMS 115V to 750V L3T7: Lead Form: Straight Leads and In-Line2 Leads SERIES DESIGNATOR Packing: Tape and Reel E: TMOV (2-Leaded, without indicator lead) Lead Spacing: 7.5mm M: iTMOV (3-Leaded, with indicator lead option) Option Codes: X2855: Nickel Barrier coated wire option -- All standard parts use tinned copper clad steel wire. Nickel Barrier coated wire is available as an option, consisting of Copper wire with a flashing of Nickel NOTES: followed by a top coating of Tin. To order append standard model BASE PART number with "X2855." Example: 1 Use Base Part Code only to receive standard product: Standard Model Order As Lead Form: Straight Leads. Devices greater than 420Vrms are TMOV20RP115E TMOV20RP115EX2855 provided In-Line2. Packaging: Bulk Pack Other non-standard options may be available - please contact Littelfuse. Lead Spacing: 7.5mm +/-1.0mm 2 “In-Line” refers to straight row of leads at the tip where product is to contact the circuit board. Refer to “e1” in Device Dimensions section. 3 Lead Spacing refers to span between leads as “e” dimension in Device Dimensions section. 4 Due to device bulk, tape and reel packaging option is available only for devices up to 420Vrms. Pack Quantities Pack Quantities Bulk Pack Tape and Reel Rated Voltage Model Size Model Size 14mm 20mm 14mm 20mm 115-250 600 400 500 400 275-550 500 300 400 300 575-750 400 200 n/a n/a NOTE: Tape and Reel available up to 420V only - please contact factory regarding availability of higher voltage parts. Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. © 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/01/19