Features. P d typ. (W) I max (A)

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1 Description The PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. Features Agency Approvals AGENCY AGENCY FILE NUMBER E R RoHS compliant, lead-free and halogen free Fast response to fault currents Compact design saves board space Applications USB peripherals Disk drives CD-ROMs Plug and play protection for motherboards and peripherals Low resistance Low-profile Compatible with high temperature solders PDAs / digital cameras Game console port protection Electrical Characteristics Part Number Marking I hold (A I trip (A V max (Vdc I max (A P d typ. (W Maximum Time To Trip Current (A Time (Sec. Resistance R min (Ω R 1max (Ω Agency Approvals 0603L X X 0603L010 C X X 0603L020 H X X 0603L025 I X X 0603L035 F X X 0603L050 J X X I hold = Hold current: maximum current device will pass without tripping in 20 C still air. I trip = Trip current: minimum current at which the device will trip in 20 C still air. V max = Maximum voltage device can withstand without damage at rated current (I max I max = Maximum fault current device can withstand without damage at rated voltage (V max P d = Power dissipated from device when in the tripped state at 20 C still air. R min = Minimum resistance of device in initial (un-soldered state. R 1max = Maximum resistance of device at 20 C measured one hour after tripping or reflow soldering of 260 C for 20 sec. Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.

2 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 0603L L L L L L Average Time Current Curves Temperature Rerating Curve Time in Seconds A 0.10A 0.20A 0.25A 0.35A 0.50A 0603L Percentage of Rated Current 170% 150% 130% 110% 90% 70% 50% 30% 10% Time in Seconds A 0.20A 0.35A 0.50A 0.75A 1.00A 1.10A Temperature ( C 0805L Current in Amperes Current in Amperes The average time current curves and Temperature Rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application A 0.20A 0.35A 0.50A 0.75A 1.00A 0805L OLD Time in Seconds

3 Temperature POLY-FUSE Resettable PTCs Soldering Parameters Profile Feature Average Ramp-Up Rate (T S(max to T P Pre Heat: Time Maintained Above: Temperature Min (T s(min 150 C Temperature Max (T s(max 200 C Time (Min to Max (t s Temperature (T L 217 C Temperature (t L Pb-Free Assembly 3 C/second max secs seconds Peak / Classification Temperature (T P /-5 C Time within 5 C of actual peak Temperature (t p Ramp-down Rate Time 25 C to peak Temperature (T P seconds 6 C/second max 8 minutes Max. T P T L T S(max T S(min 25 t S Preheat time to peak temperature Ramp-up t P t L Ramp-down Time Critical Zone t L to t P -- All temperature refer to topside of the package, measured on the package body surface -- 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 2 environment for 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 Terminal Material Solder-Plated Copper (Solder Material: Matte Tin (Sn Operating/Storage Temperature -40 C to +85 C Lead Solderability Meets EIA Specification RS186-9E, ANSI/J-STD-002, Category 3. Maximum Device Surface Temperature in Tripped State 125 C Passive Aging Humidity Aging Thermal Shock Solvent Resistance Vibration Moisture Sensitivity Level +85 C, 1000 hours -/+10% typical resistance change +85 C, 85% R.H.,100 hours -/+15% typical resistance change MIL STD 202, Method 107G +85 C/-40 C 20 times -30% typical resistance change MIL STD 202, Method 215 No change MIL STD 883C, Method , Condition A No change Level 1, J STD 020C

4 Dimensions A C Solder Pad Layout Top View B Side View Pad Layout 0.8mm (.032 1mm (.039 Bottom View Marking code varies with amperage rating -- See Electrical Characteristics table 1mm (.039 1mm (.039 D E A B C D E Part Number Inch mm Inch mm Inch mm Inch mm Inch mm Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max 0603L L L L L L Part Ordering Number System 0603 L xxx Y R - A SERIES -A: Automotive grade Blank: Standard version PACKAGING STYLE R: Tape & Reel QUANTITY CODE Y: 4000 I HOLD HOLD CURRENT CODE (Refer to Electrical Characteristics Table L: LITTELFUSE SURFACE MOUNT PPTC DEVICE SIZE CODE (0.06 x 0.03 inch Packaging Part Number Ordering Number Halogen Free I hold (A I hold Code Packaging Option Quantity Quantity & Packaging Codes 0603L L004YR Yes Tape and Reel 4000 YR 0603L L010YR Yes Tape and Reel 4000 YR 0603L L020YR Yes Tape and Reel 4000 YR 0603L L025YR Yes Tape and Reel 4000 YR 0603L L035YR Yes Tape and Reel 4000 YR 0603L L050YR Yes Tape and Reel 4000 YR

5 Tape and Reel Specifications TAPE SPECIFICATIONS: EIA (mm 0603L L L L L L050 REEL DIMENSIONS: EIA (mm W 8.0+/ / H 12.0+/ F 3.5+/ / W 9.0+/- 0.5 E / / D Ø D / / F Ø13.0 +/- 0.2 D 1 0.5(min 0.5 (min C Ø178 +/- 1.0 P / / H 1 11+/- 0.5 P / / W /- 0.5 P / / W A / / W B / / W T 0.20+/ / K / / Leader min Trailer min Tape and Reel Diagram H P 1 P 0 D 0 P 2 E 1 W 4 W 3 F D C W W 2 T D 2 F W W 1 A 0 K 0 B0 H 1

6 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: 0603L004YR