PolySwitch Resettable Devices Strap Battery Devices
PolySwitch Resettable Devices
Strap Battery Devices
TE Circuit Protection, a pioneer of polymeric positive
temperature coefcient (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 exibility. PolySwitch devices
for battery protection include SRP, LR4, VTP, VLP,
VLR and MXP series, disc and special application
strap devices.
Benets Features
RoHS compliant
Many material platforms and device form factors
help provide engineers more design exibility
Lead-free versions of all devices are available
Compatible with high-volume electronics assembly
Broad range of resettable devices available
Assists in meeting regulatory requirements
Current ratings from 1.1A to 13A
Low-resistance devices increase battery
Voltage ratings from 6V to 30V
operating time
Agency recognition: UL, CSA, TV
Fast time-to-trip
Low resistance
Applications
Mobile phone and smart phone battery packs Digital camera battery packs
11
Tablet PC battery packs Portable media player battery packs
Mobile radio battery packs Power tools (charge line)
Computer battery packs
RoHS Compliant, ELV Compliant
233
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The guide below lists PolySwitch strap battery devices which are typically used in applications.
The following pages contain the specications 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
Product Series: Current Rating, Voltage Rating / Typical Resistance for
Table B1
Strap Battery Devices
VLR VLP VTP MXP SRP LR4
Typical Activation Temperature
Hold
Current (A) 85C 90C 90C 120C 125C 125C
1.10 16V/0.054V
1.20 16V/0.053V 15V/0.123V
1.70 12V/0.025V 16V/0.041V
1.75 12V/0.024V 16V/0.032V 16V/0.040V 15V/0.070V
1.80 6V/0.0105V
1.90 6V/0.011V 15V/0.056V
2.00 30V/0.045V
2.10 16V/0.024V 16V/0.024V
2.20 16V/0.023V
2.30 12V/0.015V
2.50 6V/0.011V
2.60 15V/0.031V
2.70 16V/0.015V 6V/0.0105V
3.10 6V/0.0075V
3.50 30V/0.024V
11 3.70 6V/0.007V
3.80 15V/0.020V
4.20 30V/0.018V
4.50 20V/0.016V
5.50 20V/0.013V
6.00 20V/0.011V
7.30 20V/0.009V
9.00 20V/0.008V
13.00 20V/0.006V
RoHS Compliant, ELV Compliant
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