SMP100LC Trisil™ for telecom equipment protection Features ■ Bidirectional crowbar protection ■ Voltage range from 8 V to 400 V ■ Low capacitance from 20 pF to 45 pF @ 2 V ■ Low leakage current: I = 2 µA max R SMB ■ Holding current: I = 150 mA min. (JEDEC DO-214AA) H ■ Repetitive peak pulse current: I = 100 A (10/1000 µs) PP Benefits ■ Trisils are not subject to ageing and provide a fail safe mode in short circuit for better protection. ■ Helps equipment meet main standards such as UL60950, IEC 950 / CSA C22.2 and UL1459. ■ Epoxy meets UL94, V0. Description ■ Package is JEDEC registered (DO-214AA). The SMP100LC is a series of low capacitance Complies with the following standards transient surge arrestors designed for the protection of high data rate communication ■ GR-1089 Core equipment. The low capacitance of the devices ■ ITU-T-K20/K21 avoids any distortion of the signal and is compatible with digital transmission line cards ■ IEC 61000-4-5 (xDSL, ISDN...). ■ IEC 61000-4-2 level 4 SMP100LC series tested and confirmed ■ TIA/EIA IS-968 compatible with Cooper Bussmann Telecom ■ UL497B recognized, UL file E136224 Circuit Protector TCP 1.25A. The SMP100LC-xxx with the fuse TCP1.25A or Applications TCP2A is compliant with Telcordia GR1089 (lightning and AC power fault tests), Any sensitive equipment requiring protection ITU-TK20/K21 (lightning and AC power fault against lightning strikes and AC power faults. tests), TIA/EIA-IS-968 (formerly FCC Part 68 These devices are dedicated to central office lightning tests), and UL60950 (AC power fault protection as they comply with the most stressful tests). The use of the TCP1.25A allows the standards. Their low capacitances make them SMP100LC-xxx to be safe for the 2nd level (B suitable for xDSL. criteria) AC power fault tests. TM: Trisil is a trademark of STMicroelectronics February 2012 Doc ID 7050 Rev 14 1/13 www.st.com 13

Characteristics SMP100LC 1 Characteristics T able 1. In compliance with the following standards Peak surge Required Minimum serial Waveform Current Standard voltage peak current resistor to meet voltage waveform (V) (A) standard (Ω) GR-1089 Core 2500 2/10 µs 500 2/10 µs 0 First level 1000 10/1000 µs 100 10/1000 µs 0 GR-1089 Core 5000 2/10 µs 500 2/10 µs 0 Second level GR-1089 Core 1500 2/10 µs 100 2/10 µs 0 Intra-building 6000 150 0 ITU-T-K20/K21 10/700 µs 5/310 µs 1500 37.5 0 ITU-T-K20 8000 ESD contact discharge 0 1/60 ns (IEC61000-4-2) 15000 ESD air discharge 0 4000 10/700 µs 100 5/310 µs 0 IEC61000-4-5 4000 1.2/50 µs 100 8/20 µs 0 TIA/EIA IS-968, 1500 10/160 µs 200 10/160 µs 0 lightning surge type A 800 10/560 µs 100 10/560 µs 0 TIA/EIA IS-968, 1000 9/720 µs 25 5/320 µs 0 lightning surge type B 2/13 Doc ID 7050 Rev 14

SMP100LC Characteristics T able 2. Absolute ratings (T = 25 °C) amb Symbol Parameter Value Unit 10/1000 µs 100 8/20 µs 400 10/560 µs 140 I Repetitive peak pulse current (see Figure2) 5/310 µs 150 A PP 10/160 µs 200 1/20 µs 400 2/10 µs 500 I Fail-safe mode: maximum current (1) 8/20 µs 5 kA FS t = 0.2 s 24 Non repetitive surge peak on-state current t = 1 s 15 I A TSM (sinusoidal) t = 2 s 12 t = 15 mn 4 t = 16.6 ms 20 I2t I2t value for fusing A2s t = 20 ms 21 T Storage temperature range -55 to 150 stg °C T Operating junction temperature range -40 to 150 j T Maximum lead temperature for soldering during 10 s. 260 °C L 1. In fail safe mode, the device acts as a short circuit. T able 3. Thermal resistances Symbol Parameter Value Unit R Junction to ambient (with recommended footprint) 100 °C/W th(j-a) R Junction to leads 20 °C/W th(j-l) Figure 1. Electrical characteristics - definitions (T = 25 °C) amb Symbol Parameter I I PP V Stand-off voltage RM V Breakover voltage BO I Leakage current RM I I Peak pulse current BO PP I I Breakover current H BO IH Holding current IRM V V Continuous reverse voltage R V V V I Leakage current atV RM R BO R R C Capacitance Doc ID 7050 Rev 14 3/13

Characteristics SMP100LC T able 4. Electrical characteristics - values (T = 25 °C) amb Dynamic Static I @ V I @ V I (3) C(4) C(5) RM RM R R V (1) V @ I (2) H BO BO BO Order code max. max. max. max. max. min. typ. typ. µA V µA V V V mA mA pF pF 50 SMP100LC-8 6 8 25 15 NA 75 (typ.) SMP100LC-25 22 25 40 35 NA 65 SMP100LC-35 32 35 55 55 NA 55 SMP100LC-65 55 65 85 85 45 90 SMP100LC-90 81 90 120 125 40 80 SMP100LC-120 108 120 155 150 35 75 SMP100LC-140 2 126 5 140 180 175 800 30 65 150 SMP100LC-160 144 160 205 200 30 65 SMP100LC-200 180 200 255 250 30 60 SMP100LC-230 207 230 295 285 30 60 SMP100LC-270 243 270 345 335 30 60 SMP100LC-320 290 320 400 390 25 50 SMP100LC-360 325 360 460 450 25 50 SMP100LC-400 360 400 540 530 20 45 1. See Figure16: Test circuit 1 for Dynamic I and V parameters BO BO 2. See Figure17: Test circuit 2 for I and V parameters BO BO 3. See Figure18: Test circuit 3 for dynamic I parameter H 4. V = 50 V bias, V =1 V, F = 1 MHz R RMS 5. V = 2V bias, V =1 V, F = 1 MHz R RMS 4/13 Doc ID 7050 Rev 14

SMP100LC Characteristics Figure 2. P ulse waveform Figure 3. Non repetitive surge peak on-state current versus overload duration %IPP Repetitive peak pulse current ITSM(A) tr = rise time (µs) 70 F=50Hz 100 tp = pulse duration time (µs) 60 Tjinitial = 25°C 50 40 50 30 20 10 0 t t(s) tr tp 0 1E-2 1E-1 1E+0 1E+1 1E+2 1E+3 Figure 4. O n-state voltage versus on-state Figure 5. Relative variation of holding current (typical values) current versus junction temperature IT(A) IH[Tj] / IH[Tj=25°C] 100 2.0 Tjinitial = 25°C 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 VT(V) 0.2 Tj(°C) 0.0 10 -25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 Figure 6. R elative variation of breakover Figure 7. Relative variation of leakage voltage versus junction current versus junction temperature temperature (typical values) VBO[Tj] /VBO[Tj=25°C] IR[Tj] / IR[Tj=25°C] 1.08 2000 1000 1.06 1.04 100 1.02 1.00 10 0.98 Tj(°C) Tj(°C) 0.96 1 -25 0 25 50 75 100 125 25 50 75 100 125 Doc ID 7050 Rev 14 5/13

Application information SMP100LC Figure 8. V ariation of thermal impedance Figure 9. Relative variation of junction junction to ambient versus pulse capacitance versus reverse voltage duration applied (typical values) Zth(j-a)/Rth(j-a) C [VR] / C [VR=2V] 1 1.4 Printed circuit board - FR4, F =1MHz copper thickness = 35µm, 1.2 VTRjM=S 2=5 °1CV recommended pad layout 1.0 0.8 0.1 0.6 0.4 0.2 tp(s) VR(V) 0.01 0.0 1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2 1 2 5 10 20 50 100 300 2 Application information In wire line applications, analog or digital, both central office and subscriber sides have to be protected. This function is assumed by a combined series / parallel protection stage. Figure 10. Examples of protection stages for line cards Ring relay e e g g a a Line on st Line on st ecti ecti ot ot Pr Pr Ex.Analog line card Ex.xDSL line card or terminal In such a stage, parallel function is assumed by one or several Trisil, and is used to protect against short duration surge (lightning). During this kind of surges the Trisil limits the voltage across the device to be protected at its break over value and then fires. The fuse assumes the series function, and is used to protect the module against long duration or very high current mains disturbances (50/60Hz). It acts by safe circuit opening. Lightning surge and mains disturbance surges are defined by standards like GR1089, TIA/EIA IS-968, ITU-TK20. Figure 11. Typical circuits FuseTCP 1.25A Tip L Tip S FuseTCP 1.25A T1 SMP100LC-xxx SMP100LC-xxx Gnd Gnd T2 SMP100LC-xxx FuseTCP 1.25A Ring L Ring S Typical circuit for subscriber side Typical circuit for central office side 6/13 Doc ID 7050 Rev 14

SMP100LC Application information Figure 12. Test method of the board with fuse and Trisil I surge Surge Device to be protected Generator Test board Line side V Oscilloscope Current probe Voltage probe These topologies, using SMP100LC from ST and TCP1.25A from Cooper Bussmann, have been functionally validated with a Trisil glued on the PCB. Following example was performed with SMP100LC-270 Trisil. For more information, see Application Note AN2064. Figure 13. Trisil turns on during lightning strike I surge (100A/div) V (50V/div) Test conditions: 2/10 µs + and - 2.5 and 5 kV, 500 A (10 pulses of each polarity), T = 25 °C amb Test result: Fuse and Trisil OK after test in accordance with GR1089 requirements. Doc ID 7050 Rev 14 7/13

Application information SMP100LC Figure 14. Trisil action while fuse remains operational I surge (2A/div) V (100V/div) Test conditions: 600 V, 3 A, 1.1 s (first level), T = 25 °C amb Test result: Fuse and Trisil OK after test in accordance with GR1089 requirements. Figure 15. High current AC power test: the fuse acts like a switch by opening the circuit I surge (10A/div) V (100V/div) Test conditions: 277 V, 25 A (second level), T = 25 °C amb Test result: Fuse safely opened and Trisil OK after test in accordance with GR1089 requirements. 8/13 Doc ID 7050 Rev 14

SMP100LC Application information Figure 16. Test circuit 1 for Dynamic I and V parameters BO BO 100V/µs, di/dt<10A/µs, Ipp=100A 2Ω 45Ω 83Ω 46 µH 10 µF 0.36 nF U 66Ω 470Ω KeyTek'System2' generatorwithPN246I module 1kV/µs, di/dt<10A/µs,Ipp=10A 26µH 250Ω 47Ω 46 µH U 60 µF 12Ω KeyTek'System2' generatorwithPN246I module Figure 17. Test circuit 2 for I and V parameters BO BO K ton = 20ms R1 = 140Ω R2 = 240Ω 220V 50Hz Vout DUT measVuBrOement 1/4 IBO measurement TEST PROCEDURE Pulse test duration (tp = 20ms): ● for Bidirectional devices = Switch K is closed ● for Unidirectional devices = Switch K is open VOUTselection: ● Device withVBO< 200V➔ VOUT= 250VRMS, R1 = 140Ω ● Device withVBO≥200V➔ VOUT= 480VRMS, R2 = 240Ω Doc ID 7050 Rev 14 9/13

Ordering information scheme SMP100LC Figure 18. Test circuit 3 for dynamic I parameter H R Surge generator V =-48V D.U.T BAT This is a GO-NOGO test which allows to confirm the holding current (IH) level in a functional test circuit. TEST PROCEDURE 1/ Adjust the current level at the IHvalue by short circuiting the AK of the D.U.T. 2/ Fire the D.U.T.with a surge current ➔ IPP=10A,10/1000µs. 3/The D.U.T.will come back off-state within 50ms maximum. 3 Ordering information scheme Figure 19. Ordering information scheme SMP 100 LC - xxx Trisil surface mount Repetitive peak pulse current 100 = 100 A Capacitance LC = Low capacitance Voltage 65 = 65V 10/13 Doc ID 7050 Rev 14

SMP100LC Package information 4 Package information ● Epoxy meets UL94, V0 ● Lead-free package In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. T able 5. SMB dimensions Dimensions Ref. Millimeters Inches E1 Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 D A2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 E c 0.15 0.40 0.006 0.016 A1 E 5.10 5.60 0.201 0.220 E1 4.05 4.60 0.159 0.181 C A2 L b D 3.30 3.95 0.130 0.156 L 0.75 1.50 0.030 0.059 F igure 20. Footprint dimensions Figure 21. Marking layout(1) in mm (inches) 1.62 2.60 1.62 (0.064) (0.102) (0.064) Cathode bar (unidirectional devices only) 2.18 e e:ECOPACK compliance XXX: Marking (0.086) x x x Z: Manufacturing location Y: Year WW: week z y ww 5.84 (0.23) 1. Marking layout can vary according to assembly location. Doc ID 7050 Rev 14 11/13

Ordering information SMP100LC 5 Ordering information T able 6. Ordering information Order code Marking Package Weight Base qty Delivery mode SMP100LC-8 PL8 SMP100LC-25 L25 SMP100LC-35 L35 SMP100LC-65 L06 SMP100LC-90 L09 SMP100LC-120 L12 SMP100LC-140 L14 SMB 98 mg 2500 Tape and reel SMP100LC-160 L16 SMP100LC-200 L20 SMP100LC-230 L23 SMP100LC-270 L27 SMP100LC-320 L32 SMP100LC-360 L36 SMP100LC-400 L40 6 Revision history T able 7. Document revision history Date Revision Changes 09-Nov-2004 9 Absolute ratings values, table 3 on page 2, updated. 07-Dec-2004 10 SMP100LC-320, SMP100LC-360 and SMP100LC-400 addition. 20-Jun-2005 11 Telecom Circuit Protector added in Description. Reformatted to current standards. SMB Package information 05-Mar-2007 12 updated. Standards compliance paragraphs added to Description. 05-Jan-2010 13 Corrected vertical axis labelling in Figure8. 09-Feb-2012 14 Added UL statement in Complies with the following standards. 12/13 Doc ID 7050 Rev 14

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