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Murata PRG21BC6R8MM1RA Overcurrent Protection Thermistor

The PRG21BC6R8MM1RA is a surface-mount PTC thermistor designed for overcurrent and short circuit protection in electronic circuits. It features rapid operation to disconnect in abnormal conditions, then automatically resets upon removal of overcurrent, enabling repeated use. With a compact size of 2.0x1.25mm, it offers a maximum voltage of 30V and hold current of 50mA at +85°C, providing reliable protection in miniaturized designs. Its ceramic PTC construction ensures stable resistance after operation, making it suitable for safety standard countermeasures and current limiting in various electronic applications.

Authorized Distributors
Source:Newark
Part No:PRG21BC6R8MM1RA
Stock:3360
Inv Date:06-02-2026
Price: Unit price: $0.5
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Source:DigiKey
Part No:PRG21BC6R8MM1RA
Stock:666
Inv Date:06-02-2026
Price: Unit price: $0.57
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Part No:PRG21BC6R8MM1RA
Stock:28273
Inv Date:06-03-2026
Price: Unit price: $0.49
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Part No:PRG21BC6R8MM1RA
Stock:4000
Inv Date:06-02-2026
Price: Unit price: $0.245
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Part No:PRG21BC6R8MM1RA
Stock:22
Inv Date:06-03-2026
Price: N/A
Buy/RFQ:

Murata PRG21BC6R8MM1RA Overcurrent Protection Thermistor Specifications:

  • Max. Voltage: 30V
  • Hold Current: 50mA (at +85°C)
  • Measure Condition of Hold Current: at +25°C, 120mA
  • Trip Current: 260mA (at +25°C), 335mA (at -20°C)
  • Max. Current: 5500mA
  • Resistance at 25°C: 6.80Ω
  • Resistance Tolerance at 25°C: +20%
  • Operating Temperature Range: -20°C to 85°C
  • Size Code: 2.0x1.25mm
  • Shape: SMD
  • Mass: 0.009g

Buy the Murata Series PRG21BC6R8MM1RA: Overcurrent Protection Thermistor

Secure your electronic projects with the Murata Series PRG21BC6R8MM1RA, a compact SMD thermistor providing fast overcurrent protection up to 30V, with 50mA hold current. Its ceramic PTC construction ensures stable resistance after operation, suitable for safety standard countermeasures. With dimensions of 2.0x1.25mm and a weight of only 0.009g, it fits seamlessly into miniaturized circuits. This thermistor automatically resets after tripping, making it perfect for reliable, repeated safety protection in consumer electronics and other sensitive devices.

Order your Murata Series PRG21BC6R8MM1RA today and enhance your circuit protection with this reliable overcurrent device designed for safety and durability.

Frequently Asked Questions

Where can I buy Murata PRG21BC6R8MM1RA?

You can click on the BUY or RFQ button to purchase PRG21BC6R8MM1RA from an authorized Murata distributor.

How do I troubleshoot issues or seek technical support for part PRG21BC6R8MM1RA?

You can download the PRG21BC6R8MM1RA datasheet or visit the Murata website for support.

Who is the manufacturer of PRG21BC6R8MM1RA?

Murata

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