POLY-FUSE® Resettable PTCs Surface Mount > 0603L Series 0603L Series RoHS Description The 0603L Series PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. Features • RoHS compliant, lead-free • Low resistance and halogen free • Low-profile • Fast response to fault • Compatible with high currents temperature solders • Compact design saves Agency Approvals board space AGENCY AGENCY FILE NUMBER Applications E183209 • USB peripherals • PDAs / digital cameras • Disk drives • Game console port R50119118 • CD-ROMs protection • Plug and play protection Additional Information for motherboards and peripherals Datasheet Resources SSaammpplleess Electrical Characteristics Maximum Time Agency I I V I P d To Trip Resistance Approvals Part Number Marking hold trip max max typ. (A) (A) (Vdc) (A) (W) Current Time R min R 1max (A) (Sec.) (Ω) (Ω) 0603L004 - 0.04 0.12 24 20 0.5 0.20 1.00 4.00 40.00 X X 0603L010 C 0.10 0.30 15 40 0.5 0.50 1.00 0.900 6.000 X X 0603L020 H 0.20 0.50 9 40 0.5 1.00 0.60 0.550 3.500 X X 0603L025 I 0.25 0.55 9 40 0.5 8.00 0.08 0.500 3.000 X X 0603L035 F 0.35 0.75 6 40 0.5 8.00 0.10 0.200 1.000 X X 0603L050 J 0.50 1.00 6 40 0.5 8.00 0.10 0.100 0.680 X X I = Hold current: maximum current device will pass without tripping in 20°C still air. hold I = Trip current: minimum current at which the device will trip in 20°C still air. trip V = Maximum voltage device can withstand without damage at rated current (I max) max I = Maximum fault current device can withstand without damage at rated voltage (V ) max max P = Power dissipated from device when in the tripped state at 20°C still air. d R = Minimum resistance of device in initial (un-soldered) state. min R = Maximum resistance of device at 20°C measured one hour after tripping or reflow soldering of 260°C for 20 sec. 1max Caution: Operation beyond the specified rating may result in damage and possible arcing and flame. WARNING • Users shall independently assess the suitability of these devices for each of their applications • Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to electrical arcing and/or fire • These devices are intended to protect against the effects of temporary over-current or over-temperature conditions and are not intended to perform as protective devices where such conditions are expected to be repetitive or prolonged in duration • Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect the performance of these PPTC devices • These devices undergo thermal expansion under fault conditions, and thus shall be provided with adequate space and be protected against mechanical stresses • Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device. © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/22/17

POLY-FUSE® Resettable PTCs Surface Mount > 0603L Series Temperature Rerating Ambient Operation Temperature -40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) 0603L004 0.052 0.048 0.044 0.040 0.032 0.028 0.024 0.020 0.012 0603L010 0.13 0.12 0.11 0.10 0.08 0.07 0.06 0.05 0.03 0603L020 0.27 0.25 0.23 0.20 0.17 0.14 0.12 0.10 0.07 0603L025 0.32 0.29 0.27 0.25 0.21 0.18 0.16 0.14 0.10 0603L035 0.47 0.41 0.38 0.35 0.29 0.26 0.24 0.20 0.14 0603L050 0.67 0.59 0.54 0.50 0.41 0.37 0.34 0.29 0.20 VV VV V VV 15V15V AAAAA/33A/24AA/16A/33AAA/6VA/12AA/24A/12AA/8VAA A/60 A/24 Average Time Current Curves Temperature Rerating Curve A/A/ 04005550005500000000 5 0 0.04A0.10A0.20A0.25A0.35A0.50A 0603L 117500%% 0.10A0.20A0.35A0.50A0.75A1.00A1.10A 0805L 0.12A0.16A0.20A0.25A0.35A, 0.350.50A, 0.500.75A0.75A/13.2V1.1A1.5A1.75A2.0A 1206L 0.05A0.10A0.20A0.35A0.35A/300.50A0.50A/300.75A0.75A/241.10A1.50A1.50A/161.75A12.00A210L 10.1000.10000.20.50.70.70.71.11.11.11.21.21.51.51.51.61.61.62.02.61812L 0.30A0.50A0.75A/601.00A1.00A/331.50A2.00A 2016L 0.30A0.50A0.75A & 0.71.00A1.25A1.50A1.85A2.00A/24V2.50A2.60A & 2.63.00A/15V5.00A/16V 2920L 0.13A 250S 100 100 100 100.00 10000 100 100 1000 nt 130% e urr d C 110% e Time in Seconds 110 Percentage of Rat 5793100000%%%%%-40 -30 -20Time in Seconds-11100 0 10 20 30 40 50 60 70 80 Time in Seconds 110 Time in Seconds 110..0000 Time in Seconds 101001000 Time in Seconds110 Time in Seconds 110 Time in Seconds11000 Temperature (°C) 1 0.1 0.1 0.1 0.10 0.1 0.1 1 Note: Typical Temperature rerating curve, refer to table for derating data 0.1 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.10 0.1 1 10 100 0.1 1 10 100 0.1 1 10 0.10 1.00 1100..0000 0.1 1 10 100 0.1 1 10 0.1 1 10 100 0.1 1 10 100 Current in Amperes Current in Amperes Current in Amperes Current in Amperes Current in Amperes Current in Amperes Current in Amperes Current in Amperes The average time current curves and Temperature Rerating curve performance is affected 0 6 bvey raif yn uthmeb peerr ofor rvmaarinacbele isn, tahnedi rt hapepselic cautirovne.s provided as guidance only. Customer must 0.10A0.20A0.35A0.50A0.75A1.00A 0805L OLD 0.12A0.16A0.20A0.25A0.35A0.35A/15V0.50A0.50A/15V0.75A1.0A1.1A1.5A12.0A206L OLD 100000.05A0.10A0.20A0.35A0.50A0.75A1.10A1.50A1.75A2.00A 1210L OLD 0.16A0.30A1.00A/33v1.00A1.50A2.00A 2016L OLD 0.10A0.30A0.50A.75A .75A/1.00A1.25A1.50A1.85A2.00A/24V2.00A2.50A2.60A3.00A/15V3.00A 2920L 100000 100000 100000 100000 10000 10000 1000 10000 10000 s d n o 1000 1000 Sec 100 1000 1000 ©Sp 2e0c1ifi7c Laitttieolnfus saer,e I nscu.bject to change without notice. Time in Seconds 10100 Time in Seconds 10100 Time in 110 Time in Seconds 10100 Time in Seconds 11000 Revised: 03/22/17 1 1 0.1 1 1 0.1 0.1 0.010.1 1 10 100 0.1 0.1 Current in Amperes 0.010.1 C1urrent in Amper1e0s 100 0.010.1 Cu1rrent in Amper1e0s 100 0.010.1 C1urrent in Amper1e0s 100 0.010.1 C1urrent in Amper1e0s 100

POLY-FUSE® Resettable PTCs Surface Mount > 0603L Series Soldering Parameters Profile Feature Pb-Free Assembly t P T Average Ramp-Up Rate (T to T) 3°C/second max P Critical Zone S(max) P RRaammpp--uupp tL to tP Temperature Min (T ) 150°C s(min) T L t Pre Heat: Temperature Max (T ) 200°C T L s(max) S(max) Time (Min to Max) (ts) 60 – 180 secs eru RRaammpp--ddoown Time Maintained Temperature (TL) 217°C tar T PPrreehheeaatt e S(min) Above: Temperature (tL) 60 – 150 seconds pm tS e Peak / Classification Temperature (T) 260+0/-5 °C T P 25 Time within 5°C of actual peak 20 – 40 seconds time to peak temperature Time Temperature (t) p Ramp-down Rate 6°C/second max -- All temperature refer to topside of the package, measured on the package body surface Time 25°C to peak Temperature (T) 8 minutes Max. P -- If reflow temperature exceeds the recommended profile, devices may not meet the performance requirements -- Recommended reflow methods: IR, vapor phase oven, hot air oven, N environment for 2 lead -- Recommended maximum paste thickness is 0.25mm (0.010 inch) -- Devices can be cleaned using standard industry methods and solvents -- Devices can be reworked using the standard industry practices Physical Specifications Environmental Specifications Solder-Plated Copper Operating/Storage Terminal Material -40°C to +85°C (Solder Material: Matte Tin (Sn)) Temperature Meets EIA Specification RS186-9E, Maximum Device Surface Lead Solderability 125°C ANSI/J-STD-002, Category 3. Temperature in Tripped State +85°C, 1000 hours Passive Aging -/+10% typical resistance change +85°C, 85% R.H.,100 hours Humidity Aging -/+15% typical resistance change MIL–STD–202, Method 107 Thermal Shock +85°C/-40°C 20 times -30% typical resistance change MIL–STD–202, Method 215 Solvent Resistance No change MIL–STD–883, Method 2007, Vibration Condition A No change Moisture Sensitivity Level Level 1, J–STD–020 © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/22/17

POLY-FUSE® Resettable PTCs Surface Mount > 0603L Series Dimensions A C Solder Pad Layout Top B Side 0.8mm View View (.032”) Pad 1mm Layout (.039”) Marking code varies with amperage rating -- See Bottom Electrical Characteristics table View 1mm 1mm (.039”) (.039”) D E A B C D E Part Inch mm Inch mm Inch mm Inch mm Inch mm Number Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max 0603L004 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .016 .030 0.40 0.75 .006 .020 0.15 0.50 .004 .016 0.10 0.40 0603L010 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .016 .030 0.40 0.75 .006 .020 0.15 0.50 .004 .016 0.10 0.40 0603L020 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .016 .030 0.40 0.75 .006 .020 0.15 0.50 .004 .016 0.10 0.40 0603L025 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .016 .030 0.40 0.75 .006 .020 0.15 0.50 .004 .016 0.10 0.40 0603L035 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .030 .061 0.75 1.55 .006 .020 0.15 0.50 .004 .016 0.10 0.40 0603L050 .055 .071 1.40 1.80 .024 .039 0.60 1.00 .030 .061 0.75 1.55 .006 .020 0.15 0.50 .004 .016 0.10 0.40 Part Ordering Number System 0603 L xxx Y R - A -A: Automotive grade Blank: Standard version PACKAGING STYLE SERIES R: Tape & Reel QUANTITY CODE Y: 4000 I HOLD CURRENT CODE HOLD (Refer to Electrical Characteristics Table) L: LITTELFUSE SURFACE MOUNT PPTC DEVICE SIZE CODE (0.06 x 0.03 inch) Packaging Halogen I Packaging Quantity & Part Number Ordering Number hold I Code Quantity Free (A) hold Option Packaging Codes 0603L004 0603L004YR Yes 0.04 004 Tape and Reel 4000 YR 0603L010 0603L010YR Yes 0.10 010 Tape and Reel 4000 YR 0603L020 0603L020YR Yes 0.20 020 Tape and Reel 4000 YR 0603L025 0603L025YR Yes 0.25 025 Tape and Reel 4000 YR 0603L035 0603L035YR Yes 0.35 035 Tape and Reel 4000 YR 0603L050 0603L050YR Yes 0.50 050 Tape and Reel 4000 YR © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/22/17

POLY-FUSE® Resettable PTCs Surface Mount > 0603L Series Tape and Reel Specifications TAPE SPECIFICATIONS: EIA-481-1 (mm) 0603L004 REEL DIMENSIONS: 0603L010 0603L035 EIA-481-1 (mm) 0603L020 0603L050 0603L025 W 8.0+/- 0.30 8.0+/- 0.30 C Ø178+/-1.0 F 3.5+/- 0.05 3.5+/- 0.05 D Ø60.2+/- 0.5 E 1.75+/- 0.10 1.75+/- 0.10 H 11.0+0.5 1 D 1.55+/- 0.05 1.55+/- 0.05 W 9.0+/- 1.5 0 T 0.20+/- 0.10 0.20+/- 0.10 K 0.72+/- 0.10 0.96+/- 0.10 0 Leader min. 390 390 Trailer min. 160 160 Tape and Reel Diagram H Tape Specifications Reel Specifications P1 P0 D0 P2 E1 D C F W T D1 W D1 K0 B0 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. © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/22/17