TRACOPOWER TMR 3WI DC/DC Converter, 5V dc/ 300 mA, 18V dc Input, 4.5V Input 3 W, Through Hole, 85 °C Max Temp -40 °C Min

Bulk discount available

Subtotal (1 tube of 10 units)*

£212.52

(exc. VAT)

£255.02

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 2 unit(s) ready to ship
  • Plus 1 unit(s) shipping from 30 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Tube(s)
Per Tube
Per unit*
1 - 4£212.52£21.252
5 - 9£206.14£20.614
10 - 24£199.77£19.977
25 - 49£191.27£19.127
50 +£182.77£18.277

*price indicative

RS Stock No.:
200-8408
Mfr. Part No.:
TMR 3-1221WI
Brand:
TRACOPOWER
Find similar products by selecting one or more attributes.
Select all

Brand

TRACOPOWER

Product Type

DC/DC Converter

Output Voltage 1

5V dc

Minimum Input Voltage

4.5V

Maximum Input Voltage

18V dc

Output Current 1

300mA

Output Current 2

300mA

Mount Type

Through Hole

Output Voltage 2

-5V dc

Input Ratio

4:1

Number of Outputs

2

MTBF

3400000h

Ripple and Noise

30mV Pk-Pk

Number of Pins

7

Isolation Voltage

1.6kV dc

Maximum Output Power

3W

Package Type

SIP

Length

21.8mm

Standards/Approvals

RoHS

Series

TMR 3WI

Width

9.1mm

Depth

11.2mm

Weight

4.8g

Efficiency

0.8%

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

COO (Country of Origin):
TW
The Traco TMR 3-1221WI is an isolated 3W DC/DC converter with regulated output, featuring ultra-wide 4:1 input voltage range. Further features include remote On/Off control and continuous short circuit protection. The very compact dimensions of these converters make them an ideal solution for many space critical applications in battery-powered equipment and instrumentation.

Comes in SIP-8 package

Operating temperature range is -40°C to +85°C

Altitude operation is below 12000m

Related links