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Bourns NR72CB0 Thermal Cutoff Device

The thermal cutoff device is a compact module designed for overtemperature and overcurrent protection in lithium polymer and prismatic batteries. It provides rapid circuit interruption during abnormal conditions with high current and temperature ratings, ensuring device safety and circuit integrity. Suitable for battery protection in portable electronic devices, it features a small body size and a wide range of trip temperature options from 72°C to 85°C, with low leakage currents and reliable switching performance. It is ideal for use in notebook PCs, tablets, smartphones, and mobile devices, combining safety, durability, and compactness.

Authorized Distributors
Source:Newark
Part No:NR72CB0
Stock:2027
Inv Date:05-28-2026
Price: Unit price: $1.38
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Source:DigiKey
Part No:NR72CB0
Stock:49
Inv Date:05-28-2026
Price: Unit price: $1.68
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Part No:NR72CB0
Stock:4447
Inv Date:05-29-2026
Price: Unit price: $1.4
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Part No:NR72CB0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.274
Buy/RFQ:
Part No:NR72CB0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.274
Buy/RFQ:
Part No:NR72CB0
Stock:1
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns NR72CB0 Thermal Cutoff Device Specifications:

  • Trip Temperature: 72°C, 77°C, 82°C, 85°C ±5°C
  • Reset Temperature: 40°C minimum
  • Contact Rating DC12V /25A, 6000 cycles
  • Maximum Breaking Current DC5V /60A, 100 cycles
  • Maximum Voltage DC28V, 725A, 100 cycles
  • Minimum Holding Voltage: 2V @ 25°C for 1 minute
  • Maximum Leakage Current: 200 mA max @ 25°C
  • Resistance: 5 milliohms max
  • Product Dimensions: 482014 mm
  • Agency Recognition: UL, cUL (File Number: E215638, R50281578)
  • Available with and without projections, high current or low current type options, construction from CuAlloy
  • Operation Temperature Range varies by model, with a trip temperature accuracy of ±5°C
  • Surface mount design, not reflow solder compatible, suitable for PCB mounting
  • Compliance: RoHS Recast 2011/65, Halogen-free options available

Buy the Buy BOURNS Thermal Cutoff Part Number NR72CB0 Online

Secure your electronic devices with the BOURNS thermal cutoff. Designed for lithium polymer and prismatic cell protection, it ensures safety by interrupting abnormal current and heat. With a compact size, high current capacity, and multiple trip temperatures from 72°C to 85°C, it’s ideal for notebook PCs, tablets, and smartphones. Easy to install, reliable, and RoHS compliant, this device provides instant, effective overtemperature and overcurrent protection. Order online today to safeguard your critical electronics with proven thermal cutoff technology.

Buy BOURNS NR72CB0 now and experience unmatched reliability and high current thermal protection for lithium batteries.

Frequently Asked Questions

Where can I buy Bourns NR72CB0?

You can click on the BUY or RFQ button to purchase NR72CB0 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part NR72CB0?

You can download the NR72CB0 datasheet or visit the Bourns website for support.

Who is the manufacturer of NR72CB0?

Bourns

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