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NR77AB0 Datasheet, PDF (1/5 Pages) Bourns Electronic Solutions – Breaker (Thermal Cutoff Device)
*RoHS**CHOAML&POLGIAENNTFREE
Ratings
51 1
NR72
155
AB0
C
67
NR
1
77
2
C
1
B0
5
C
*RoHS COMPLIANT
Specification
Trip Temperature
Reset Temperature
Contact Rating
Maximum Breaking Current
Maximum Voltage
Minimum Holding Voltage
Maximum Leakage Current
Resistance
Specification
Trip Temperature
Reset Temperature
Contact Rating
Maximum Breaking Current
Maximum Voltage
Minimum Holding Voltage
Maximum Leakage Current
Resistance
Product Dimensions
3.2 ± 0.1
(.126 ± .004)
4.8 ± 0.1
(.189 ± .004)
Features
n Formerly a™product
n Miniature Thermal Cutoff (TCO) device
n Smallest body size, high current type
n Overtemperature and overcurrent protection
for lithium polymer and prismatic cells
n Controls abnormal, excessive current
virtually instantaneously
n Wide range of temperature options
Applications
Battery cell protection for:
n Notebook PCs
n Tablet PCs
n Smart phones
n Mobile phones
NR Series Breaker (Thermal Cutoff Device)
LEAD FREE
A-TYPE
NR72AB0
NR77AB0
NR82AB0
72 °C ± 5 °C
77 °C ± 5 °C
82 °C ± 5 °C
40 °C min.
DC12V / 25 A, 6000 cycles
DC5V / 60 A, 100 cycles
LVEREAoRDHSSFIORCNEOSEMAPRLEIANT*
DC28V / 25 A, 100 cycles
2 V @ 25 °C for 1 minute
200 mA max. @ 25 °C
5 milliohms max.
C-TYPE
NR72CB0
NR77CB0
NR82CB0
72 °C ± 5 °C
77 °C ± 5 °C
82 °C ± 5 °C
40 °C min.
DC12V / 12 A, 6000 cycles
DC5V / 30 A, 100 cycles
DC28V / 12 A, 100 cycles
2 V @ 25 °C for 1 minute
150 mA max. @ 25 °C
15 milliohms max.
NR85AB0
85 °C ± 5 °C
NR85CB0
85 °C ± 5 °C
3.2 ± 0.1
(.126 ± .004)
0.1 ± 0.01
(.004 ± .0004)
Agency Recognition
UL, cUL
Description
File Number: E215638
TUV
File Number: R50281578
2.0 ± 0.1
(.079 ± .004)
2.0 ± 0.1
(.079 ± .004)
2.8 ± 0.1
(.110 ± .004)
Product Structure
COVER
ARM
ARM TERMINAL
0.89 ± 0.05
(.035 ± .002)
DIMENSIONS:
MM
(INCHES)
COVER PLATE
CONTACT
PROJECTION
BASE
PTC
BIMETAL DISC
PROJECTION
BASE TERMINAL
AVAILABLE WITH AND WITHOUT PROJECTIONS.
How to Order
NR 77 A B 0
Series Designator
Trip Temperature (±5 °C)
• 72
• 82
• 77
• 85
Arm Material
A = Cu Alloy High Current Type
C = Cu Alloy Low Current Type
Terminal Type
(with/without Projection & Terminal Length)
Manufacturer’s Internal Code
* 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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.