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Bourns HC72AY1 Thermal Cutoff Device

The HC Series Thermal Cutoff Breaker by Bourns offers high current protection tailored for lithium polymer and prismatic cells in mobile devices such as notebooks, tablets, smartphones, and more. Designed to instantly control overtemperature and overcurrent conditions, these devices ensure circuit safety with precise trip temperatures ranging from 72°C to 90°C. The breakers feature reliable contact ratings, low resistance, and UL certification, making them ideal for protecting critical battery components from overheating and circuit damage in compact electronic applications.

Authorized Distributors
Source:Newark
Part No:HC72AY-1
Stock:918
Inv Date:05-28-2026
Price: Unit price: $1.54
Buy/RFQ:
Source:DigiKey
Part No:HC72AY-1
Stock:4287
Inv Date:05-28-2026
Price: Unit price: $1.81
Buy/RFQ:
Part No:HC72AY-1
Stock:87
Inv Date:05-29-2026
Price: Unit price: $1.5
Buy/RFQ:
Part No:HC72AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.81
Buy/RFQ:
Part No:HC72AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.802
Buy/RFQ:
Part No:HC72AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.802
Buy/RFQ:

Bourns HC72AY1 Thermal Cutoff Device Specifications:

  • Trip Temperatures: 72°C, 77°C, 82°C, 85°C, 90°C (±5°C)
  • Reset Temperature: Minimum 40°C
  • Contact Rating: DC9V / 25 A, 6000 cycles
  • Maximum Breaking Current: DC5V / 80 A, 100 cycles
  • Maximum Voltage: DC28V / 25 A, 100 cycles
  • Resistance: 5 milliohms max.
  • Dimensions: Refer to individual series datasheets
  • Material: CuAlloy for armature
  • Certifications: UL, cUL, TUV
  • RoHS Compliant
  • Maximum Leakage Current: 200 mA @ 25°C
  • Minimum Holding Voltage: 3V @ 25°C for 1 min

Buy the Bourns Series HC Thermal Cutoff: HC72AY1

Secure your portable electronic devices with the Bourns HC Series Thermal Cutoff device. Designed for high current applications in lithium polymer and prismatic cells, it provides rapid overtemperature and overcurrent protection. With precise trip temperatures from 72°C to 90°C, low resistance, and UL certification, this device ensures safety, reliability, and long-lasting performance. Protect your batteries and circuits effectively by purchasing this trusted thermal cutoff device online today, ensuring optimal safety in your electronic designs and repairs.

Buy Bourns HC72AY1 thermal breaker now and safeguard your lithium polymer batteries with proven overtemperature and overcurrent protection.

Frequently Asked Questions

Where can I buy Bourns HC72AY1?

You can click on the BUY or RFQ button to purchase HC72AY1 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part HC72AY1?

You can download the HC72AY1 datasheet or visit the Bourns website for support.

Who is the manufacturer of HC72AY1?

Bourns

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