TDN 1-1221WI Series

The TDN 1-1221WI from Traco Electronic is a compact DC-DC converter designed for reliable power conversion in a wide range of industrial applications. It takes an input voltage of 9 to 36V and converts it to a stable 5V output, capable of delivering up to 2100mA. This makes it ideal for systems where space is limited and precise power regulation is essential.

If you're working on projects that require a clean, regulated 5V supply in a tight enclosure, this converter is a go-to choice. Its small footprint and robust design make it suitable for embedded systems, medical devices, and automation equipment. One thing worth noting is its efficiency; it operates with high efficiency, which means less heat generation and better overall system performance. Engineers tend to reach for this when they need a dependable power solution without the bulk of larger converters. Another practical aspect is its wide input voltage range, which allows for flexibility in different power sources and environments.

Mfr Part #	Category	Ripple	Derating	Efficiency	Power - Rated	Voltage Rating	Current - Output 1	Voltage - Breakdown	Voltage - Input (Min)	Size	Width	Height	Length	Package / Case	Connection Method	Operating Temperature	Current - Output 2
TDN3-1210WI DC/DC converter 4.5...18 VDC 3.3 VDC, TDN3-1210WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	76 %	3	4.5...18 VDC	0.7 A	1600 VDC	3.3 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-1211WI DC/DC converter 4.5...18 VDC 5 VDC, TDN3-1211WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	4.5...18 VDC	0.6 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-1212WI DC/DC converter 4.5...18 VDC 12 VDC, TDN3-1212WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	83 %	3	4.5...18 VDC	0.25 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-1215WI DC/DC converter 4.5...18 VDC 24 VDC, TDN3-1215WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	4.5...18 VDC	0.125 A	1600 VDC	24 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-1221WI DC/DC converter 4.5...18 VDC 5 VDC, TDN3-1221WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	4.5...18 VDC	0.3 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.3 A
TDN3-1223WI DC/DC converter 4.5...18 VDC 15 VDC, TDN3-1223WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	4.5...18 VDC	0.1 A	1600 VDC	15 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.1 A
TDN3-1222WI DC/DC converter 4.5...18 VDC 12 VDC, TDN3-1222WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	4.5...18 VDC	0.125 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.125 A
TDN3-2410WI DC/DC converter 9...36 VDC 3.3 VDC, TDN3-2410WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	77 %	3	9...36 VDC	0.7 A	1600 VDC	3.3 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-2411WI DC/DC converter 9...36 VDC 5 VDC, TDN3-2411WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	9...36 VDC	0.6 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-2412WI DC/DC converter 9...36 VDC 12 VDC, TDN3-2412WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	83 %	3	9...36 VDC	0.25 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-2415WI DC/DC converter 9...36 VDC 24 VDC, TDN3-2415WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	9...36 VDC	0.125 A	1600 VDC	24 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-2421WI DC/DC converter 9...36 VDC 5 VDC, TDN3-2421WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	9...36 VDC	0.3 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.3 A
TDN3-2422WI DC/DC converter 9...36 VDC 12 VDC, TDN3-2422WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	9...36 VDC	0.125 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.125 A
TDN3-2423WI DC/DC converter 9...36 VDC 15 VDC, TDN3-2423WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	9...36 VDC	0.1 A	1600 VDC	15 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.1 A
TDN3-4810WI DC/DC converter 18...75 VDC 3.3 VDC, TDN3-4810WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	77 %	3	18...75 VDC	0.7 A	1600 VDC	3.3 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-4811WI DC/DC converter 18...75 VDC 5 VDC, TDN3-4811WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	18...75 VDC	0.6 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-4812WI DC/DC converter 18...75 VDC 12 VDC, TDN3-4812WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	83 %	3	18...75 VDC	0.25 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-4815WI DC/DC converter 18...75 VDC 24 VDC, TDN3-4815WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	18...75 VDC	0.125 A	1600 VDC	24 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-
TDN3-4821WI DC/DC converter 18...75 VDC 5 VDC, TDN3-4821WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	80 %	3	18...75 VDC	0.3 A	1600 VDC	5 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.3 A
TDN3-4822WI DC/DC converter 18...75 VDC 12 VDC, TDN3-4822WI, Traco Power Traco Power	-	50 mVp-p	2.9%/K above 70°C	82 %	3	18...75 VDC	0.125 A	1600 VDC	12 VDC	13 x 9 x 10 mm	9	10	13	DIP	THD	-40...+70 °C	-0.125 A

trac-TDN 1-1221WI

Frequently Asked Questions

TDN 1-1221WI - Part List

Current - Output 1

Efficiency

Voltage - Input (Min)

Voltage Rating

Current - Output 2