TDN 3-4812WI Series

The TDN 3-4812WI from Traco Electronic is a compact DC-DC converter designed to provide stable power to various low-power circuits. It steps down input voltages between 6V and 48V to output voltages ranging from 3.3V to 12V, making it ideal for embedded systems, industrial control panels, and battery-powered devices. If you're working on projects that require reliable power conversion without the need for large heat sinks or complex cooling solutions, this converter is a solid choice.

One thing worth noting is its efficiency; it operates with high efficiency even under light loads, which helps in reducing power losses and extending battery life in portable applications. Engineers tend to reach for this when they need a straightforward, no-frills solution for power regulation in environments where space is at a premium and thermal management is critical but not overly complex. The small form factor and wide input voltage range make it particularly handy for integrating into tight spaces where other converters might be too bulky or require additional components for proper operation.

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 3-4812WI

Frequently Asked Questions

TDN 3-4812WI - Part List

Current - Output 1

Efficiency

Voltage - Input (Min)

Voltage Rating

Current - Output 2