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TRACO POWER TDL31221 DC/DC Converter

The TDL 3 series from Tracopower offers compact, reliable 3W DC/DC converters suitable for industrial applications. Featuring a wide 2:1 input voltage range from 5VDC to 48VDC, they support various output voltages up to ±15V and currents up to 600mA. These modules have an ultra-compact DIP package measuring 14mm x 8mm x 14mm, including robust overload and short circuit protection with automatic recovery. They operate in temperatures from -40°C to +70°C, ensuring high performance and safety with UL 60950-1 certification. With efficiency up to 87%, oscillation over 100kHz, and an isolation voltage of 1500VDC, they are ideal for space-constrained industrial power supply needs.

Authorized Distributors
Source:Newark
Part No:TDL 3-1221
Stock:10
Inv Date:05-30-2026
Price: Unit price: $28.22
Buy/RFQ:
Source:DigiKey
Part No:TDL 3-1221
Stock:0
Inv Date:05-30-2026
Price: Unit price: $21.977
Buy/RFQ:
Part No:TDL 3-1221
Stock:0
Inv Date:05-31-2026
Price: Unit price: $24.09
Buy/RFQ:
Part No:TDL 3-1221
Stock:0
Inv Date:05-30-2026
Price: Unit price: $26.04
Buy/RFQ:

TRACO POWER TDL31221 DC/DC Converter Specifications:

  • Power: 3W
  • Input Voltage Range: 4.5 - 10 VDC to 36 - 75 VDC (wide 2:1 range)
  • Output Voltages: 3.3VDC, 5VDC, 12VDC, 15VDC, ±5VDC, ±12VDC, ±15VDC
  • Maximum Output Current: 250mA to 600mA depending on model
  • Efficiency: up to 87%
  • Operating Temperature: -40°C to +70°C
  • Isolation Voltage: 1500 VDC for 60 seconds
  • Ripple & Noise: 70mVp-p (20 MHz bandwidth)
  • Switching Frequency: ≥100 kHz
  • Protection: Short circuit, overload (auto recovery)
  • Physical Size: 14mm x 8mm x 14mm (DIP package)
  • Isolation Capacitance: 100 pF typical
  • Isolation Resistance: >1 GΩ
  • Certifications: UL 60950-1, IEC/EN 60950-1
  • Potting Material: Silicone
  • Pin Material: Tinned copper
  • Soldering Temperature: Max. 260°C / 10 sec
  • Weight: 3.99 oz
  • MTBF: >3,450,000 hours

Buy the Traco Power TDL 31221 – Reliable Industrial DC/DC Converter for Power Management

Secure your Traco Power TDL 31221 series DC/DC converter online today and enhance your industrial power supply solutions. With a compact DIP form factor measuring 14mm x 8mm x 14mm, this reliable 3W module guarantees high efficiency up to 87% and features a wide input voltage range from 4.5V to 75V. It provides versatile output options up to ±15V, overload protection, and full compliance with UL 60950-1 safety standards. Designed for demanding environments, it operates from -40°C to +70°C, ensuring long-term performance and safety for your automation and industrial power requirements.

Order your Tracopower Series TDL 31221 high-efficiency DC/DC converter today and ensure reliable power conversion for your industrial projects.

Frequently Asked Questions

Where can I buy TRACO POWER TDL31221?

You can click on the BUY or RFQ button to purchase TDL31221 from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part TDL31221?

You can download the TDL31221 datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of TDL31221?

TRACO POWER

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