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TRACO POWER TBA11221HI DC/DC Converter

The TBA 1HI Series is a reliable 1-watt DC/DC SIP converter designed for space-constrained and cost-critical applications. It features continuous short circuit protection, an isolation of 2,121 VAC, and operates from -40°C to 85°C without derating. With input voltage ranges of 5V, 12V, and 24V DC, it offers high efficiency up to 82%. Its compact SIP-7 package makes it ideal for various industrial and automation projects, providing stable output with low ripple and noise, making it a versatile power solution.

Authorized Distributors
Source:Newark
Part No:TBA 1-1221HI
Stock:10
Inv Date:05-30-2026
Price: Unit price: $4.8
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Source:DigiKey
Part No:TBA 1-1221HI
Stock:73
Inv Date:05-30-2026
Price: Unit price: $3.85
Buy/RFQ:
Part No:TBA 1-1221HI
Stock:140
Inv Date:05-31-2026
Price: Unit price: $3.32
Buy/RFQ:
Part No:TBA 1-1221HI
Stock:0
Inv Date:05-30-2026
Price: Unit price: $4.47
Buy/RFQ:

TRACO POWER TBA11221HI DC/DC Converter Specifications:

  • Input Voltage Ranges: 5V, 12V, 24V DC
  • Input Current at No Load: 5V - 25mA, 12V - 15mA, 24V - 10mA
  • Surge Voltage: 5V in 9V DC max. (1s), 12V in 18V DC max. (1s), 24V in 30V DC max. (1s)
  • Input Fuse: 500mA (slow blow) for 5V, 200mA for 12V, 100mA for 24V
  • Efficiency: Up to 82%
  • Output Voltage Tolerances: ±1%
  • Ripple & Noise: 150mVp-p max. at 20MHz bandwidth
  • Capacitive Load: 470-2200μF depending on model
  • Temperature Range: -40°C to +85°C without derating
  • Isolation Voltage: 2,121 VAC (input to output)
  • Power Derating: 5%/K above 85°C
  • Start-up Time: 10ms max.
  • Protection: Continuous short circuit, automatic recovery
  • Housing Material: UL 94 V-0 rated plastic
  • Dimensions: 19.50mm x 7.62mm x 10mm
  • Insulation Resistance: 1000 MΩ at 500V DC
  • Switching Frequency: 40 - 200 kHz PWM
  • Reliability: 2,000,000 hours MTBF

Buy the Traco Power TBA 1HI – Reliable DC/DC for Industrial Applications

Purchase the Traco Power TBA 1HI Series 1 Watt DC/DC converter online today. This compact, high-efficiency power module offers wide temperature operation, excellent isolation of 2,121 VAC, and continuous short circuit protection. Designed for industrial and automation systems, it ensures stable output with minimal ripple and noise. Perfect for space-constrained applications, the TBA 1HI delivers reliable performance, easy installation, and robustness under harsh conditions, making it the ideal choice for your power management needs.

Order your Traco Power TBA 1HI Series 1 Watt DC/DC converter today and secure a dependable power solution for your industrial projects.

Frequently Asked Questions

Where can I buy TRACO POWER TBA11221HI?

You can click on the BUY or RFQ button to purchase TBA11221HI from an authorized TRACO POWER distributor.

How do I troubleshoot issues or seek technical support for part TBA11221HI?

You can download the TBA11221HI datasheet or visit the TRACO POWER website for support.

Who is the manufacturer of TBA11221HI?

TRACO POWER

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