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KCA77AB0

P1-P3P4-P6
KCA Series A-Type Breaker (Thermal Cutoff Device)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at
www.bourns.com/legal/disclaimer.pdf.
*RoHS COMPLIANT
&
**HALOGEN FREE
™
Ratings
Features
Q Formerly a product
Q Miniature Thermal Cutoff (TCO) device
Q High current type
Q Optimal corrosion resistant properties
Q Smaller body size: L5.4 x W3.2 x H0.89 mm
Q Overtemperature and overcurrent protection
for lithium polymer and prismatic cells
Q Wide range of temperature options
Ratings
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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.
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UL, cUL File Number: E215638
TUV File Number: R50305080
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DIMENSIONS:
MM
(INCHES)
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KCA 77 A B 0
Series Designator
Trip Temperature (±5 °C)
 
 
Arm Material
A = Cu Alloy, High Current Type
Terminal Type
(with/without Projection & Terminal Length)
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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)
ARM TERMINAL
COVER PLATE
CONTACT
COVER
ARM
BASE TERMINAL
BASE
AVAILABLE WITH AND WITHOUT PROJECTIONS.
PROJECTION
BIMETAL DISC
PTC
PROJECTION
This series is currently available but
not recommended for new designs.
The
Model AA Series is a possible
replacement.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at
www.bourns.com/legal/disclaimer.pdf.
KCA Series A-Type Breaker (Thermal Cutoff Device)
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sample at a rate of 0.1 A/minute and recording the current value when the sample trips.
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NORMAL CIRCUIT
CIRCUIT
AFTER OPENING
CURRENT
EXCESSIVE
CURRENT
AND/OR
HEAT
VERY LOW CURRENT
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
20 30 40 50 60 70 80
Temperature (°C)
Current (A)
KCA72ABO (Low 67 °C average)
KCA77ABO (Low 72 °C average)
KCA82ABO (Low 77 °C average)
KCA85ABO (Low 80 °C average)
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Applications
Battery cell protection for:
Q Notebook PCs
Q Tablet PCs
Q Smart phones
Q Mobile phones
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at
www.bourns.com/legal/disclaimer.pdf.
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KCA Series A-Type Breaker (Thermal Cutoff Device)
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Solder connections should be avoided.
1253A
**
KCA77AB0
DATE CODE:
MONTH (1~9, X, Y, Z)
DATE
YEAR
MACHINE NO.
ROMAN OR ARABIC NUMERAL = OKAYAMA FACTORY
ALPHABET = SHIGA FACTORY
MANUFACTURER’S TRADEMARKDIRECTION MARK
(ALPHANUMERIC
CHARACTER)
TERMINAL TYPE
MANUFACTURER’S INTERNAL CODE
ARM MATERIAL
(A = Cu ALLOY)
TRIP TEMPERATURE - °C
(72, 77, 82, 85)
SERIES DESIGNATOR
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Plastic Bag.......................................................................................................................................................................SFVÀ[HG
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Outer Box ....................................................................................................................................40,000 pcs. max. (up to 10 inner boxes)
P1-P3P4-P6

KCA77AB0

Mfr. #:
Buy KCA77AB0
Manufacturer:
Bourns
Description:
Miniature Thermal Cutoff (TCO) Device
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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