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Bourns NR85AB0 Thermal Cutoff Device

The BOURNS Series Breaker is a surface-mounted thermal cutoff device designed for battery cell protection in electronics like notebooks, tablets, smartphones, and mobile phones. It offers high current capacity and precise temperature control, with options for overtemperature and overcurrent protection. The device includes thermal trip points as low as 72°C, 77°C, 82°C, and 85°C, ensuring safe operation by protecting lithium polymer and prismatic cells from damage caused by excessive heat or current. Its robust build and detailed wiring instructions ensure reliable circuit safeguarding in compact applications.

Authorized Distributors
Source:Newark
Part No:NR85AB0
Stock:4080
Inv Date:05-28-2026
Price: Unit price: $1.67
Buy/RFQ:
Source:DigiKey
Part No:NR85AB0
Stock:4114
Inv Date:05-28-2026
Price: Unit price: $1.96
Buy/RFQ:
Part No:NR85AB0
Stock:3389
Inv Date:05-29-2026
Price: Unit price: $1.63
Buy/RFQ:
Part No:NR85AB0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.115
Buy/RFQ:
Part No:NR85AB0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.115
Buy/RFQ:

Bourns NR85AB0 Thermal Cutoff Device Specifications:

  • Trip Temperature: 72°C, 77°C, 82°C, 85°C ±5°C
  • Reset Temperature: Minimum 40°C
  • Contact Rating DC12V / 25A, 6000 cycles
  • Maximum Breaking Current DC5V / 60A, 100 cycles
  • Maximum Voltage DC28V / 725A, 100 cycles
  • Resistance: 5 milliohms max. / 15 milliohms max.
  • Minimum Holding Voltage: 2V @ 25°C for 1 minute
  • Maximum Leakage Current: 200 mA max. @ 25°C
  • Trip Temperature Tolerance: ±5°C
  • Based on UL and CSA standards, with high current and low resistance
  • Device Dimensions: varies per model, with detailed dimensional drawings
  • Application: Battery protection for portable electronics, high current safety cutoff

Buy the BOURNS Series Breaker Thermal Cutoff: NR85AB0

Secure your electronic device’s battery system with the BOURNS Series Breaker thermal cutoff device, offering precise trip temperatures of 72°C, 77°C, 82°C, and 85°C. Designed for surface-mount applications, it provides high current handling up to 25A and ensures safe shutdown during abnormal heat or current overloads. Easy to mount with detailed wiring instructions, this device is ideal for protecting lithium polymer and prismatic cells in portable electronics. Ensure safety, reliability, and compliance with industry standards by choosing this high-performance thermal cutoff device, available for online purchase today.

Buy BOURNS Series Breaker thermal cutoff device now and experience unmatched reliability and precise overtemperature protection for your electronic circuits.

Frequently Asked Questions

Where can I buy Bourns NR85AB0?

You can click on the BUY or RFQ button to purchase NR85AB0 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part NR85AB0?

You can download the NR85AB0 datasheet or visit the Bourns website for support.

Who is the manufacturer of NR85AB0?

Bourns

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