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Bourns HC90AY1 Thermal Breaker

The HC Series Thermal Breaker is a high-current, miniature thermal cutoff device designed for lithium polymer and prismatic cell protection in various portable electronics. It offers overtemperature and overcurrent protection, controlling abnormal currents almost instantaneously. With adjustable trip temperatures ranging from 72°C to 90°C, it ensures circuit safety by breaking the connection during overloads or overheating. Suitable for notebook PCs, tablets, smartphones, and mobile devices, this UL and cUL recognized device guarantees reliable performance in compact, high-demand electronic applications.

Authorized Distributors
Source:DigiKey
Part No:HC90AY-1
Stock:4733
Inv Date:05-28-2026
Price: Unit price: $1.81
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Part No:HC90AY-1
Stock:3121
Inv Date:05-29-2026
Price: Unit price: $1.43
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Part No:HC90AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.02
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Part No:HC90AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.802
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Part No:HC90AY-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.802
Buy/RFQ:
Part No:HC90AY-1
Stock:2
Inv Date:05-29-2026
Price: N/A
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Bourns HC90AY1 Thermal Breaker Specifications:

  • Trip Temperature: 72°C, 77°C, 82°C, 85°C, 90°C ±5°C
  • Contact Rating: DC 9V / 25 A, 6000 cycles
  • Maximum Breaking Current: DC 5V / 80 A, 100 cycles
  • Maximum Voltage: DC 28V / 25 A, 100 cycles
  • Resistance: 5 milliohms max
  • Leakage Current: 200 mA max @ 25°C
  • Dimensions: Refer to datasheet for precise dimensions
  • Material: Cu Alloy arm
  • Agency Recognition: UL, cUL, TUV
  • RoHS compliant
  • Operating temperature range varies with model, suitable for portable electronic systems
  • Wiring: Not suitable for surface-mount reflow soldering; use resistance or laser welding for Ni tab wiring
  • Packaging: Outer box up to 50,000 pcs, inner box 5,000 pcs, plastic bag 5,000 pcs

Buy the Buy BOURNS HC Series Thermal Breaker Part Number HC90AY1 Online

Purchase the BOURNS HC90AY1 Thermal Breaker online today for dependable circuit protection in lithium polymer and prismatic cells. With adjustable trip temperatures up to 90°C, UL recognition, and high current ratings, this device ensures safety and performance in compact electronics like smartphones, tablets, and notebooks. Easy to install and designed for demanding applications, this thermal cutoff device helps prevent damage caused by overheating and overloads, providing peace of mind and enhanced device durability. Order now to secure fast delivery and technical support.

Buy BOURNS HC90AY1 now and experience reliable overtemperature and overcurrent protection for your portable electronic devices.

Frequently Asked Questions

Where can I buy Bourns HC90AY1?

You can click on the BUY or RFQ button to purchase HC90AY1 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part HC90AY1?

You can download the HC90AY1 datasheet or visit the Bourns website for support.

Who is the manufacturer of HC90AY1?

Bourns

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