TRACOPOWER TMR 3WIR DC-DC Converter, 12V dc/ 250mA Output, 18 → 75 V dc Input, 3W, Through Hole, +85°C Max Temp

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Subtotal (1 tube of 10 units)*

£223.88

(exc. VAT)

£268.66

(inc. VAT)

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  • Shipping from 13 March 2026
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Tube(s)
Per Tube
Per unit*
1 - 4£223.88£22.388
5 - 9£217.17£21.717
10 - 24£210.45£21.045
25 - 49£201.50£20.15
50 +£192.54£19.254

*price indicative

RS Stock No.:
151-1583
Mfr. Part No.:
TMR 3-4812WIR
Brand:
TRACOPOWER
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Brand

TRACOPOWER

Output Voltage

12V dc

Input Voltage Range

18 → 75 V dc

Power Rating

3W

Input Voltage Nominal

48 V dc

Output Current

250mA

Mounting Type

Through Hole

Isolated

Yes

Number of Outputs

1

Package

SIP 8

Isolation Voltage

1.6kV dc

Depth

11.1mm

Width

9.2mm

Length

21.8mm

Series

TMR 3WIR

Railway Approved

Yes

Load Regulation

0.01

Minimum Temperature

-40°C

Standards Met

cULus Listed, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8, IEC 60950-1, MIL-STD-810F, UL 94 V-0, UL/cUL 60950-1

Maximum Temperature

+85°C

Efficiency

81%

COO (Country of Origin):
TW
The TMR-3 series is a new family of isolated 3W dc-dc converter modules with regulated output, featuring wide 2:1 input voltage ranges. The product comes in a compact SIP-8 plastic package with a small footprint occupying only 2.0 cm2 (0.3 square in.) of board space. An excellent efficiency allows –40° to +85°C operation temperatures. Further features include remote On/Off control and continuous short circuit protection. The compact dimensions of these converters make them an ideal solution for many space critical applications in communication equipment, instrumentation and industrial electronics.

Wide 2:1 input voltage range
Fully regulated output voltage
Compact SIP-8 package
Models with 1’500 VDC and 3’000 VDC I/O isolation (functional insulation)
Small footprint
Temperature range –40° to +85°C
High efficiency up to 85%
Short-circuit protection
Remote On/Off control
3-year product warranty

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