0603L003/36YR

$1.63

Description：PTC RESET FUSE 36V 30MA 0603
Series：POLY-FUSE®, 0603L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c8b1fc420b68 Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 36V 30MA 0603
Series：POLY-FUSE®, 0603L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：36V
Current - Hold (Ih) (Max)：30 mA
Current - Trip (It)：90 mA
Current - Max：40 A
Time to Trip：1 s
Resistance - Initial (Ri) (Min)：6 Ohms
Resistance - Post Trip (R1) (Max)：50 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：0603 (1608 Metric), Concave
Size / Dimension：0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)：-
Thickness (Max)：0.039" (1.00mm)
Lead Spacing：-

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0603L003/36YR

Overview

The Littelfuse 0603L003/36YR is a surface-mount PolySwitch resettable PPTC device designed for circuit protection. It features a maximum voltage rating of 36 VDC and a hold current of 30 mA, with a trip current of 90 mA. The component supports a maximum fault current of 40 A and offers an initial resistance minimum of 6 Ohms and a maximum post-trip resistance of 50 Ohms. It operates within a temperature range of -40°C to +85°C and is available in a standard 0603 (1608 metric) package.

Feature Summary

Provides reliable overcurrent protection by raising internal resistance as heat increases during fault conditions
Offers automatic circuit restoration after the fault condition is removed without requiring manual replacement
Designed for direct soldering onto printed circuit boards using surface mount technology

Applications

Protection of automotive actuators, screens, and small motors
Overcurrent safeguarding for telephony and networking equipment
Circuit protection for power supply components and wiring harnesses

Procurement Notes

Verify that the specific ordering suffix matches the required packaging format, such as cut tape or reel, as indicated in official documentation. Confirm RoHS compliance status and ensure the selected variant aligns with the intended thermal and electrical requirements for the target application environment.

Selection Notes

Select this component based on the specific 36 VDC voltage rating and 30 mA hold current requirements of the protected circuit. Ensure the operating temperature range of -40°C to +85°C meets the environmental constraints. Verify that the 0603 footprint is compatible with the PCB layout and that the 40 A maximum fault current capability exceeds potential surge levels.

Part Context

This part belongs to the Littelfuse POLY-FUSE 0603L series of polymer resettable fuses. These devices are engineered to provide compact, solid-state overcurrent protection solutions suitable for space-constrained electronic designs across various industrial and consumer applications.