Breaker. CB77ABB Datasheet

CB77ABB Breaker. Datasheet pdf. Equivalent


BOURNS CB77ABB
CB 72YA2B80B80R
Features
n Miniature Thermal Cutoff (TCO) device
n Smallest body size in product family
n Overtemperature and overcurrent protection
for lithium polymer and prismatic cells
n Controls abnormal, excessive current
virtually instantaneously, up to rated limits
n Wide range of temperature options
n High corrosion resistance withstand
Applications
Battery cell protection for:
n Notebook PCs
n Tablet PCs
n Smart phones
CB Series Breaker (Thermal Cutoff Device)
Ratings
Specification
Trip Temperature
Reset Temperature
Maximum Breaking Current
Maximum Voltage
Minimum Holding Voltage
Maximum Leakage Current
Resistance
CB72ABB,
CB72A1B
72 °C ± 5 °C
A-TYPE
CB77ABB,
CB77A1B
CB82ABB,
CB82A1B
77 °C ± 5 °C
82 °C ± 5 °C
40 °C min.
DC5 V / 50 A, 100 cycles
DC28 V / 25 A, 100 cycles
3 V @ 25 °C for 1 minute
200 mA max. @ 25 °C
5 mΩ max. / 2.2 mΩ typ.
Mini-breaker TCOs reset when the following conditions are met:
• T he ambient temperature has dropped by 10 °C below the minimum trip temperature; and
• P ower to the TCO has been cycled (off/on)
CB85ABB,
CB85A1B
85 °C ± 5 °C
Agency Recognition
UL, cUL
Description
File No. E215638 (UL60730)
TUV
(Pending)
Product Structure
ARM
ARM
TERMINAL
COVER
PLATE
COVER BASE
TERMINAL
PROJECTION
PTC BASE
BIMETAL CONTACT
DISC
PROJECTION
AVAILABLE WITH AND WITHOUT PROJECTIONS.
How to Order
Series Designator
Trip Temperature (±5 °C)
• 72
• 77
• 82
• 85
Arm Material
A = Cu Alloy, High Current Type
Terminal Type
1 = With Projection
B = Without Projection
Body Color
B = Black
Circuit Diagram
NORMAL CIRCUIT
CB 77 A B B
CIRCUIT
AFTER OPENING
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** 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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.


CB77ABB Datasheet
Recommendation CB77ABB Datasheet
Part CB77ABB
Description Breaker
Feature CB77ABB; CB 72YA2B80B80R Features n Miniature Thermal Cutoff (TCO) device n Smallest body size in product .
Manufacture BOURNS
Datasheet
Download CB77ABB Datasheet




BOURNS CB77ABB
2.5 ± 0.1
(.098 ± .004)
4.4 ± 0.1
(.173 ± .004)
2.5 ± 0.1
(.098 ± .004)
CB Series Breaker (Thermal Cutoff Device)
Product Dimensions
2.5 ± 0.1
(.098 ± .004)
4.4 ± 0.1
(.173 ± .004)
2.5 ± 0.1
(.098 ± .004)
2.0 ± 0.1
(.079 ± .004)
PROJECTION
CBxxA1B:
0.7
(.028
±
±
0.1
.004)
CBxxABB: N/A
1.0 ± 0.1
(.039 ± .004)
2.0 ± 0.1
(.079 ± .004)
2.5 ± 0.1
(.098 ± .004)
2.0 ± 0.1
(.079 ± .004)
PROJECTION
CBxxA1B:
0.7
(.028
±
±
0.1
.004)
CBxxABB: N/A
1.0 ± 0.1
(.039 ± .004)
2.0 ± 0.1
(.079 ± .004)
2.5 ± 0.1
(.098 ± .004)
0.8 ± 0.05
(.031 ± .002)
0.1 ± 0.01
(.004 ± .0004)
D IMENSIONS:
MM
(INCHES)
Typical
Performan0.c8 ±e0-.05Current
(.031 ± .002)
vs.
Tempera0t.u1r±e0.C01urves
(.004 ± .0004)
24
22
20
18
16
14
12
10
8
6
4
2
0
20 30 40
50
60
Temperature (°C)
CB72A
CB77A
CB82A
CB85A
(Low 67 °C avg.)
(Low 72 °C avg.)
(Low 77 °C avg.)
(Low 80 °C avg.)
70 80 90
The above curves were derived from placing test samples in an oven at 25 ℃, 40 ℃, 60 ℃ and so on, increasing current flow through the
sample at a rate of 0.1 A/minute and recording the current value when the sample trips.
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.



BOURNS CB77ABB
CB Series Breaker (Thermal Cutoff Device)
Wiring Recommendations
This is not a surface mount device for reflow soldering. Therefore, Ni tab wiring should be accomplished by either resistance or laser welding.
Solder connections should be avoided.
Typical Part Marking
MANUFACTURER’S
INTERNAL CODE
(ALPHANUMERIC CHARACTER)
00
Y288R
CB 72ABB
SERIES DESIGNATOR
TRIP TEMPERATURE - °C
(72, 77, 82, 85, 90)
ARM MATERIAL
(A = Cu ALLOY)
MANUFACTURER’S TRADEMARK
DATE CODE:
MONTH (1~9, X, Y, Z)
DAY
YEAR
MACHINE NO.
ROMAN NUMERAL (I, II, III, ETC.) or
ARABIC NUMERAL (1, 2, 3, ETC.) = OKAYAMA FACTORY
ALPHABET = SHIGA FACTORY
BODY COLOR
(B = BLACK)
TERMINAL TYPE
(1 = WITH PROJECTION
B = WITHOUT PROJECTION)
Standard Packaging Specifications
Plastic Bag.......................................................................................................................................................................1,000 pcs. (fixed)
Inner Box..........................................................................................................................................................................3,000 pcs. (fixed)
Outer Box.....................................................................................................................................30,000 pcs. max. (up to 10 inner boxes)
Application Temperature Range
........................................... -30 ~ 100 °C
Environmental Specifications
Moisture Sensitivity Level.......................... 1
ESD Classification (HBM)....................... 3B
Storage Conditions
1) .The breaker must be stored in the original packaging (plastic bag or carton) with
.the following conditions: ambient temperature of -10 to +40 °C, RH <75 % with no
.radical temperature change, direct sunshine, excessive vibration or shock.
2) .Avoid storage locations where there is a possibility of generating corrosive gas
.such as from salt breeze, chlorine, hudrogen sulfide, ammonium, sulfide-oxidation,
hydrogen chloride, acetate, etc.
3) Storage period should be no longer than 24 months from date of shipment.
Asia-Pacific: Tel: +81 6 6319 2281 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
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 legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.







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