2920L185DR - Littelfuse Inc.

Manufacturer Part Number

2920L185DR

Manufacturer

littelfuse

Introduction

The 2920L185DR is a POLY-FUSE® resettable fuse from Littelfuse designed for circuit protection in various applications. It features polymeric material and comes in a surface mount package.

Product Features and Performance

Polymeric type resettable fuse

Maximum voltage of 33V

Current hold of 1.85 A

Trip current of 3.7 A

Maximum current of 40 A

Time to trip is 2.5 seconds

Initial resistance minimum of 50 mOhms

Post trip resistance maximum of 150 mOhms

Operating temperature ranges from -40°C to 85°C

Surface mount mounting type

Packaged in tape and reel for automated assembly

Product Advantages

Resettable functionality helps reduce replacement costs and downtime

Polymeric material offers enhanced durability and reliability

Compact 2920 package is suitable for dense PCB layouts

Key Technical Parameters

Voltage Max: 33V

Current Hold (Ih) (Max): 1.85 A

Current Trip (It): 3.7 A

Current Max: 40 A

Time to Trip: 2.5s

Resistance Initial (Ri) (Min): 50 mOhms

Resistance Post Trip (R1) (Max): 150 mOhms

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

cURus and TUV approved for safety and reliability standards

Robust design capable of withstanding harsh environmental conditions

Compatibility

Suitable for use in circuits requiring up to 33V and 40A

Compatible with automated assembly processes due to Tape & Reel packaging

Application Areas

Consumer electronics

Automotive systems

Industrial equipment

Telecommunications

Product Lifecycle

The product status is active

No indication of nearing discontinuation, ensuring long-term availability

Replacement and upgrade options are anticipated to be available as technology progresses

Several Key Reasons to Choose This Product

High reliability and resettable functionality decrease maintenance costs

Polymeric construction ensures long-term durability under various environmental conditions

Compact size and surface mount package facilitate easy integration into numerous designs

Broad operating temperature range supports deployment in diverse operating conditions

Approvals from reputable agencies assure compliance with safety standards