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TRACO POWER TMR34821WIR DC/DC Converter

The TMR 3WIR series offers compact 3 Watt DC/DC converters in a SIP-8 metal case, designed for limited space applications. These converters operate between -40°C and +90°C, with up to 78°C at full load and up to 90°C at 50% load. Featuring EN 50155 railway approval, UL 60950-1 certification, 3000 VDC input/output isolation, remote On/Off, current limiting, and short circuit protection, they support a wide input voltage range (4:1) without minimum load requirements. Ideal for industrial and transportation sectors requiring reliable power solutions in harsh environments.

Authorized Distributors
Source:DigiKey
Part No:TMR 3-4821WIR
Stock:0
Inv Date:05-30-2026
Price: Unit price: $26.949
Buy/RFQ:
Part No:TMR 3-4821WIR
Stock:0
Inv Date:05-31-2026
Price: Unit price: $28
Buy/RFQ:
Part No:TMR 3-4821WIR
Stock:0
Inv Date:05-30-2026
Price: Unit price: $26.63
Buy/RFQ:

TRACO POWER TMR34821WIR DC/DC Converter Specifications:

  • Power: 3 Watts
  • Input Voltage Range: 9-36 VDC, 18-75 VDC, 43-160 VDC, 4:1 wide input range
  • Output Voltage Options: 3.3 V, 5 V, 9 V, 15 V, 24 V, ±5 V, ±12 V, ±15 V
  • Output Current Max: 700 mA
  • Efficiency: Up to 83%
  • Operating Temperature: -40°C to +90°C (derates above 78°C)
  • Isolation Voltage: 3000 VDC
  • Protections: Short circuit, current limit (180%)
  • Remote On/Off Control: Yes
  • Switching Frequency: 400 kHz
  • Safety Standards: IEC/EN/UL 60950-1, EN 50155
  • Certifications: EN 50155, UL 60950-1
  • Dimension: SIP-8 metal case, weight approximately 5.9 g
  • Mounting: PCB mounting

Buy the Traco Power Series TMR 3WIR DC-DC Converter: TMR34821WIR

Order the Traco Power series TMR 3WIR DC/DC converters online and benefit from high efficiency, wide input range, and extensive safety approvals. Compact and reliable, these converters are perfect for industrial, transportation, and automation systems. With features like 3000 VDC isolation, remote On/Off, and high operating temperature range, they ensure stable power delivery in demanding environments. Purchase now for swift delivery and robust performance, backed by a 3-year warranty.

Buy Traco Power TMR34821WIR now and experience unmatched reliability and high performance in industrial and railway applications.

Frequently Asked Questions

Where can I buy TRACO POWER TMR34821WIR?

You can click on the BUY or RFQ button to purchase TMR34821WIR from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part TMR34821WIR?

You can download the TMR34821WIR datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of TMR34821WIR?

TRACO POWER

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