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TRACO POWER TEC31222WI DC/DC Converter

The TEC 3WI Series is a compact 3 Watt SIP-8 DC/DC converter designed for high efficiency and reliable performance with an ultra-wide input voltage range of 18-75 VDC. It offers fully regulated outputs, low thermal loss, and operate effectively from -40°C to +90°C. Featuring 1.600 VDC isolation, short circuit protection, remote On/Off, and UL 62368-1 safety compliance, this converter is suitable for industrial applications requiring stable power conversion with high durability and safety standards.

Authorized Distributors
Source:DigiKey
Part No:TEC 3-1222WI
Stock:29
Inv Date:05-30-2026
Price: Unit price: $17.11
Buy/RFQ:
Part No:TEC 3-1222WI
Stock:20
Inv Date:05-31-2026
Price: Unit price: $17.14
Buy/RFQ:
Part No:TEC 3-1222WI
Stock:0
Inv Date:05-30-2026
Price: Unit price: $18.88
Buy/RFQ:

TRACO POWER TEC31222WI DC/DC Converter Specifications:

  • Input Voltage Range: 4.5-18 VDC, 9-36 VDC, 18-75 VDC
  • Output Power: 3 Watt
  • Output Voltage Options: 3.3 V, 5 V, 9 V, 12 V, 15 V, 24 V, 48 V
  • Maximum Output Current: 700 mA to 200 mA depending on model
  • Isolation Voltage: 1600 VDC (60 s test voltage)
  • Operating Temperature Range: -40°C to +90°C
  • Efficiency: 74% to 83% depending on model
  • Isolation Resistance: ≥ 1 GΩ
  • Switching Frequency: ≥ 100 kHz
  • Humidity: 5-95% non-condensing
  • Dimensions: 21.8 x 12 x 6.5 mm
  • Weight: 4.5 g
  • Soldering Profile: Max 260°C for 10 s
  • Certifications: UL 62368-1, UL 60950-1, RoHS Compliant
  • Input Filter: Internal capacitor
  • Short Circuit Protection: Continuous, automatic recovery
  • Remote On/Off: Yes (on/off control via pin)
  • Case Material: Non-conducting black plastic
  • Potting Material: Silicone (UL 94V-0 rated)
  • Pin Material: Tinned Copper
  • Derating: 3.4% per K above 75°C

Buy the Buy Traco Power TEC 3WI Series Part Number TEC31222WI Online

Experience the reliability and efficiency of the Traco Power TEC 3WI Series, a compact 3 Watt SIP-8 DC/DC converter capable of operating from -40°C to +90°C. Featuring a wide input voltage range up to 75 VDC, UL safety standards, and excellent isolation of 1600 VDC, this converter ensures stable power for industrial applications. Its fully regulated outputs, low noise, and automatic short circuit protection make it an ideal solution for demanding environments. Purchase online today to ensure a dependable power source for your electronic projects.

Get Traco Power TEC 3WI Series TEC31222WI today—designed for high efficiency and reliable industrial power conversion.

Frequently Asked Questions

Where can I buy TRACO POWER TEC31222WI?

You can click on the BUY or RFQ button to purchase TEC31222WI from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part TEC31222WI?

You can download the TEC31222WI datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of TEC31222WI?

TRACO POWER

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