SRP420F - SRP Series

Series: SRP
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SRP420F
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

As a pioneer of polymeric positive temperature coefficient resettable devices, Littelfuse has developed several material platforms to serve the changing battery technology and to help protect battery applications. Each of these material platforms offers different performance characteristics, allowing engineers greater design flexibility. PolySwitch devices for battery protection include SRP, LR4, VTP, VLP, VLR, MXP and RSD series, and special application strap devices.

Features:

  • RoHS compliant
  • Lead-free versions of all devices are available.
  • Current ratings from 1.1A to 13A
  • Fast time-to-trip

Benefits:

  • Many material platforms and device form factors give engineers more design flexibility
  • Compatible with high-volume electronics assembly
  • Assists in meeting regulatory requirements
  • Low resistance devices increase battery operating time

Applications:

  • Mobile phones and smart phones
  • Tablet PCs
  • Ultra-thin notebooks
  • Mobile radios
  • Digital cameras
  • Portable media players
  • Power tools (charge lines)
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Property (Mouseover for details) Value
Hold Current (A) 4.2
Trip Current (A) 7.6
Max Voltage Rating 30
Max Fault Current Rating (A) 100
Max Power Dissipation (W) 2.9
Minimum Resistance (RMIN) (Ohms) 0.012
Resistance (Max) Ω 0.024
Max Resistance (R1max) (Ohms) 0.04
Max Time to Trip Time (Sec) 6
Typical Resistance (RTYP) (Ohms) 0.018
Activation Temperature (Typical) DEGC 125
Interrupt Current (Max) AMP 100
V Rate 30
Maximum Operating Temperature Not Available

To request product environmental information, please complete the Product Environmental Information Request Form.