* RoHSDirective2002/95/ECJan.27,2003includingannexandRoHSRecast2011/65/EUJune8,2011.

** Bournsconsidersaproducttobe“halogenfree”if(a)theBromine(Br)contentis900ppmorless;(b)theChlorine(Cl)contentis900ppmorless;and(c)thetotalBromine(Br)

andChlorine(Cl)contentis1500ppmorless.

Specificationsaresubjecttochangewithoutnotice.

Thedevicecharacteristicsandparametersinthisdatasheetcananddovaryindifferentapplicationsandactualdeviceperformancemayvaryovertime.

Usersshouldverifyactualdeviceperformanceintheirspecificapplications.

™

Ratings

Features

n

Formerlyaproduct

n

MiniatureThermalCutoff(TCO)device

n

Highcurrenttype

n

Optimalcorrosionresistantproperties

n

Smallerbodysize:L5.4xW3.2xH0.89mm

n

Overtemperatureandovercurrentprotection

forlithiumpolymerandprismaticcells

n

Widerangeoftemperatureoptions

Applications

Batterycellprotectionfor:

n

NotebookPCs

n

TabletPCs

n

Smartphones

n

Mobilephones

Ratings

Specification

Model

KCA72AB0

KCA77AB0

KCA82AB0

KCA85AB0

Trip Temperature

72 °C ± 5 °C

77 °C ± 5 °C

82 °C ± 5 °C

85 °C ± 5 °C

Reset Temperature

40 °C min.

Contact Rating

DC12V / 25 A, 6000 cycles

Maximum Breaking Current

DC5V / 60 A, 100 cycles

Maximum Voltage

DC28V / 25 A, 100 cycles

Minimum Holding Voltage

2 V @ 25 °C for 1 minute

Maximum Leakage Current

200 mA max. @ 25 °C

Resistance

5 milliohms max.

Agency Recognition

Description

UL, cUL

File Number: E215638

TUV

File Number: R50305080

Product Dimensions

Product Structure

DIMENSIONS:

MM

(INCHES)

How to Order

KCA 77 A B 0

Series Designator

Trip Temperature (±5 °C)

•72

•82

•77

•85

Arm Material

A = Cu Alloy, High Current Type

Terminal Type

(with/without Projection & Terminal Length)

Manufacturer’sInternalCode

5.4±0.1

(.213±.004)

2.9±0.1

(.114±.004)

2.9±0.1

(.114±.004)

2.3±0.1

(.091±.004)

0.89±0.05

(.035±.002)

2.3±0.1

(.091±.004)

3.2±0.1

(.126±.004)

0.1±0.01

(.004±.0004)

ARMTERMINAL

COVERPLATE

CONTACT

COVER

ARM

BASETERMINAL

BASE

AVAILABLEWITHANDWITHOUTPROJECTIONS.

PROJECTION

BIMETALDISC

PTC

PROJECTION