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TRACO POWER THN304812WIR Railway DC/DC Converter

The THN 30WIR series consists of 30W DC/DC converters designed for high reliability in harsh environments. These converters are railway certified (EN 50155) with a wide input voltage range and offer up to 3000VDC input/output isolation. Encased in a sealed 1x1-inch metal enclosure, they provide excellent electromagnetic interference protection and resistance to thermal shocks, mechanical shocks, and vibration. They operate efficiently between -40°C and +65°C without derating and require no additional cooling. Certified for fire safety (EN 45545-2), and compliant with standards including EN 61373 for shock/vibration and EN 62368-1 for safety, they feature protections such as UVLO, SCP, OVP, and OTP. Additional features include remote on/off, trim functions, and a 3-year warranty.

Authorized Distributors
Source:Newark
Part No:THN 30-4812WIR
Stock:7
Inv Date:05-30-2026
Price: Unit price: $80.23
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Source:DigiKey
Part No:THN 30-4812WIR
Stock:130
Inv Date:05-30-2026
Price: Unit price: $70.83
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Part No:THN 30-4812WIR
Stock:112
Inv Date:05-31-2026
Price: Unit price: $68.19
Buy/RFQ:
Part No:THN 30-4812WIR
Stock:0
Inv Date:05-30-2026
Price: Unit price: $81.49
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TRACO POWER THN304812WIR Railway DC/DC Converter Specifications:

  • Input Voltage Range: 9-36 VDC, 18-75 VDC, 36-160 VDC, surge voltage up to 185 VDC
  • Output Power: 30 Watts
  • Efficiency: Up to 91%
  • Isolation Voltage: 3000 VDC input/output
  • Operating Temperature: -40°C to +65°C without derating
  • Temperature Coefficient: +0.02 %/K max.
  • Switching Frequency: 210 - 370 kHz (depending on model)
  • Ripple and Noise: 75-100 mVp-p (varies by output model)
  • Protections: UVLO, SCP, OVP, OTP
  • Certifications: EN 50155, EN 61373, EN 45545-2, UL 62368-1, IEC 62368-1
  • Housing Material: Copper base, non-conductive plastic insulation frame, silicone potting
  • Isolation: Input to output 2250 VDC, input to case 1600 VDC, output to case 1600 VDC
  • Dimensions: 12.70 mm x 12.70 mm x 10.20 mm (0.5 x 0.5 x 0.4 inches)
  • Pin Designation: +Vin, -Vin, Remote On/Off, +Vout, Trim, -Vout
  • Cooling: Natural convection, optional heatsinks available
  • Reliability: MTBF approximately 1,269,000 hours
  • Safety Standards: CE, UL, IEC, railway application standards

Buy the Traco Power Series THN 30WIR 30W Railway DC/DC Converter: THN304812WIR

Secure your high-reliability power solutions with the Traco Power THN 30WIR series. Designed for harsh environments, these railway-certified 30W converters feature wide input ranges, up to 91% efficiency, and robust electromagnetic interference shielding. Their encapsulated metal enclosure ensures excellent thermal and mechanical shock resistance, operating seamlessly from -40°C to +65°C without derating. Equipped with comprehensive protections like UVLO, SCP, OVP, and OTP, along with a 3-year warranty, they are ideal for critical industrial and railway applications. Purchase online today for dependable power conversion.

Buy Traco Power THN 30WIR now and experience unmatched reliability and compact design for demanding railway and industrial applications.

Frequently Asked Questions

Where can I buy TRACO POWER THN304812WIR?

You can click on the BUY or RFQ button to purchase THN304812WIR from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part THN304812WIR?

You can download the THN304812WIR datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of THN304812WIR?

TRACO POWER

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