LR4-450F Littelfuse

POLYSWITCH RESETTABLE DEVICES Strap Battery Devices Littelfuse PolySwitch, a pioneer of polymeric positive temperature coefficient (PPTC) resettable devices, offers several material platforms to help protect battery applications. Each of these material platforms offers different performance characteristics that allow the engineer greater design flexibility. PolySwitch devices for battery protection include SRP, LR4, VTP, VLP, VLR, MXP and MGP series, disc and special applica tion strap devices. BENEFITS APPLICATIONS Many material platforms and device form factors Mobile phone and smart phone battery packs help provide engineers more design flexibility Tablet PC battery packs Compatible with high-volume electronics assembly Mobile radio battery packs Assists in meeting regulatory requirements Computer battery packs Low-resistance devices increase battery Digital camera battery packs operating time Portable media player battery packs Power tools (charge line) FEATURES RoHS compliant Lead-free versions of all devices are available Broad range of resettable devices available Current ratings from 1.1A to 13A Voltage ratings from 6V to 30V Agency recognition: UL, CSA, TV Fast time-to-trip Low resistance RoHS Compliant, ELV Compliant Specifications subject to change without notice. 2016 Littelfuse, Inc. PolySwitch Resettable Devices Strap Battery Devices Application Selection Guide The guide below lists PolySwitch strap battery devices which are typically used in applications. The following pages contain the specifications for the part numbers recommended below. Once a device is selected, the user should evaluate and test each product for its intended application. PolySwitch Resettable Devices Key Device Selection Criteria Protection Application Additional Comments Installation Method Lowest Resistance Lowest Thermal Cut-off Mobile Phone Battery Packs Li-ion Surface-mount Refer to Surface-mount Section of this Catalog Prismatic MXP370BD VLR175F Cordless Phone Battery Packs NiMH Cylindrical VLP210F SRP175F Mobile Radio Battery Packs NiMH Cylindrical LR4-380F SRP350F Computer Battery Packs NiMH Cylindrical LR4-900F Li-ion Cylindrical LR4-1300SSF Prismatic Consult Local Rep Consult Local Rep Camcorder Battery Packs NiMH or Li-ion Prismatic VLP270F VTP210GF LR4-380F PDA Battery Packs Li-ion Prismatic VLP220F VLR175F Power Tools (Charge Line) NiCd, NiMH or Li-ion Cylindrical Custom LR4 Custom VTP Table B1 Product Series - Current Rating, Voltage Rating / Typical Resistance VLR VLP VTP MXP SRP LR4 Typical Activation Temperature Hold Current (A) 85C 90C 90C 120C 125C 125C 1.10 16V/0.054 1.20 16V/0.053 15V/0.123 1.70 12V/0.025 16V/0.041 1.75 12V/0.024 16V/0.032 16V/0.040 15V/0.070 1.80 6V/0.0105 1.90 6V/0.011 15V/0.056 2.00 30V/0.045 2.10 16V/0.024 16V/0.024 2.20 16V/0.023 2.30 12V/0.015 2.50 6V/0.011 2.60 15V/0.031 2.70 16V/0.015 6V/0.0105 3.10 6V/0.0075 3.50 30V/0.024 3.70 6V/0.007 3.80 15V/0.020 4.20 30V/0.018 4.50 20V/0.016 5.50 20V/0.013 6.00 20V/0.011 7.30 20V/0.009 9.00 20V/0.008 13.00 20V/0.006 RoHS Compliant, ELV Compliant Specifications subject to change without notice. 2016 Littelfuse, Inc.