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TRACO POWER TMR37215WIR DC/DC Converter

The TMR 3WIR series from Traco Power features compact 3-watt DC/DC converters housed in a durable SIP-8 metal case, ideal for space-constrained applications. Designed to operate from -40°C to +90°C with derating above 78°C, these converters offer EN 50155 railway approval, UL 60950-1 certification, and a wide input voltage range (9-36V, 18-75V, 43-160V). They provide fully regulated outputs, 3000 VDC isolation, remote On/Off, short circuit protection, current limiting, high efficiency up to 83%, and are suitable for industrial and transportation uses.

Authorized Distributors
Source:DigiKey
Part No:TMR 3-7215WIR
Stock:73
Inv Date:05-30-2026
Price: Unit price: $29.69
Buy/RFQ:
Part No:TMR 3-7215WIR
Stock:11
Inv Date:05-31-2026
Price: Unit price: $29.19
Buy/RFQ:
Part No:TMR 3-7215WIR
Stock:0
Inv Date:05-30-2026
Price: Unit price: $32.7
Buy/RFQ:

TRACO POWER TMR37215WIR DC/DC Converter Specifications:

  • Input Voltage Ranges: 9-36 VDC, 18-75 VDC, 43-160 VDC
  • Output Power: 3 Watts
  • Output Voltage Options: 3.3 V, 5 V, 9 V, 12 V, 15 V, 24 V, 42 VDC
  • Maximum Output Current: from 100 mA to 700 mA depending on model
  • Efficiency: up to 83%
  • Isolation Voltage: 3000 VDC input to output, 1500 VDC input/output to case
  • Operating Temperature: -40°C to +90°C, derates above 78°C at 4.5%/K
  • Environments: EN 50155 railway, UL 60950-1 certified, EMC compliant
  • Protection: Short circuit, automatic recovery; current limited to 180% of load
  • Surge Voltage: Up to 185 V max.
  • Switching Frequency: ~400 kHz
  • Physical: SIP-8 metal case, copper casing, silicone potting (UL94 V-0), weight approx. 9g

Buy the Traco Power Series TMR 3WIR DC-DC Converter: TMR37215WIR

Purchase the Traco Power TMR37215WIR series DC/DC converter online today to ensure your project benefits from high efficiency, robust electrical isolation, and versatile operation. With wide input voltage ranges, EN 50155 railway approval, UL certifications, and full protections including short circuit and current limiting, this converter is perfect for space-constrained industrial and transportation applications. Its durable housing and operating temperature range from -40°C to +90°C make it a dependable choice for demanding environments. Order now to enhance your power management solutions with ease and confidence.

Get Traco Power TMR37215WIR today—compact, reliable, ideal for demanding industrial and railway applications.

Frequently Asked Questions

Where can I buy TRACO POWER TMR37215WIR?

You can click on the BUY or RFQ button to purchase TMR37215WIR from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part TMR37215WIR?

You can download the TMR37215WIR datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of TMR37215WIR?

TRACO POWER

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