myMectronic
myMectronic

A Premier B2B Part Search

Murata PRG21BC1R0MM1RA Overcurrent Protection Thermistor

The PRG21BC1ROMM1RA is a ceramic PTC thermistor designed for overcurrent protection in electronic circuits. It features rapid operation to safeguard against short circuits, automatically resetting after abnormal conditions. With a compact SMD size of 2.0x1.25mm and a weight of only 0.009g, it is suitable for miniaturized applications. Its stability at operating temperatures up to 85°C and resistance of 19Ω at 25°C make it ideal as a current limiter or safety device in consumer electronics and industrial equipment. The device supports a maximum voltage of 12V and a hold current of 138mA.

Authorized Distributors
Source:DigiKey
Part No:PRG21BC1R0MM1RA
Stock:6966
Inv Date:06-02-2026
Price: Unit price: $0.58
Buy/RFQ:
Part No:PRG21BC1R0MM1RA
Stock:5779
Inv Date:06-03-2026
Price: Unit price: $0.51
Buy/RFQ:
Part No:PRG21BC1R0MM1RA
Stock:0
Inv Date:06-02-2026
Price: Unit price: $0.25
Buy/RFQ:
Part No:PRG21BC1R0MM1RA
Stock:3317
Inv Date:06-03-2026
Price: N/A
Buy/RFQ:

Murata PRG21BC1R0MM1RA Overcurrent Protection Thermistor Specifications:

  • Max. Voltage: 12V
  • Hold Current: 138mA
  • Hold Current (at +25°C): 330mA
  • Trip Current (at +25°C): 740mA
  • Trip Current (at -20°C): 880mA
  • Max. Current: 10,000mA
  • Resistance (25°C): 19Ω
  • 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 Buy Murata PRG21BC1ROMM1RA Part Number 138mA Overcurrent Protection Thermistor Online

Secure your electronic devices with the Murata PRG21BC1ROMM1RA, a compact SMD ceramic PTC thermistor designed for reliable overcurrent protection. It features rapid response to short circuits, automatically resets after abnormal conditions, and supports a maximum voltage of 12V with a hold current of 138mA. Its small size of 2.0x1.25mm and lightweight construction make it ideal for miniaturized circuits in consumer electronics and industrial equipment. Invest online today to ensure your circuit safety with proven, high-quality protection components.

Buy Murata PRG21BC1ROMM1RA now and experience reliable overcurrent protection with rapid reset and compact SMD design for your electronic circuits.

Frequently Asked Questions

Where can I buy Murata PRG21BC1R0MM1RA?

You can click on the BUY or RFQ button to purchase PRG21BC1R0MM1RA from an authorized Murata distributor.

How do I troubleshoot issues or seek technical support for part PRG21BC1R0MM1RA?

You can download the PRG21BC1R0MM1RA datasheet or visit the Murata website for support.

Who is the manufacturer of PRG21BC1R0MM1RA?

Murata

Murata Part List

Browse and search other Murata parts, locate datasheets and stock

Sponsored by