TRACOPOWER TMR DC-DC Converter, 12V dc/ 333mA Output, 18 → 75 V dc Input, 4W, PCB Mount, +85°C Max Temp -40°C

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Subtotal (1 tube of 10 units)*

£134.27

(exc. VAT)

£161.12

(inc. VAT)

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Temporarily out of stock
  • 999,999,999 unit(s) shipping from 12 February 2026
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Tube(s)
Per Tube
Per unit*
1 - 4£134.27£13.427
5 - 9£130.24£13.024
10 - 24£126.22£12.622
25 - 49£120.84£12.084
50 +£115.47£11.547

*price indicative

RS Stock No.:
209-9835
Mfr. Part No.:
TMR 4-4812WI
Brand:
TRACOPOWER
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Brand

TRACOPOWER

Output Voltage

12V dc

Input Voltage Range

18 → 75 V dc

Power Rating

4W

Input Voltage Nominal

48 V dc

Output Current

333mA

Mounting Type

PCB Mount

Isolated

Yes

Number of Outputs

1

Output Voltage Adjustment Range

12V dc

Package

SIP 8

Isolation Voltage

1.6kV

Length

21.8mm

Width

9.3mm

Depth

11.2mm

Series

TMR

Load Regulation

0.01

Maximum Temperature

+85°C

Standards Met

EN 62368-1

Minimum Temperature

-40°C

Medical Approved

Yes

Efficiency

82%

RoHS Status: Not Applicable

COO (Country of Origin):
TW

TRACOPOWER TMR Series DC-DC Converter, 12V DC Output Voltage, 4W Power Rating - TMR 4-4812WI


This DC-DC converter provides a solution for power management in various applications. With a power rating of 4W and an input voltage range of 18 to 75V DC, it is suitable for multiple electronic devices. The converter serves as a compact power supply, making it essential for users in the automation and electronics industries.

Features & Benefits


• High-efficiency operation of up to 83% reduces energy consumption
• Compact SIP-8 package design optimises board space
• I/O isolation of 1600V DC enhances safety
• Remote On/Off control allows for easy management of power applications

Applications


• Suitable for automation equipment requiring a stable power supply
• Ideal for electronics systems needing a 12V DC output
• Utilised in medical devices due to relevant approvals
• Appropriate for PCB-mounted requiring compact solutions
• Implemented in telecommunication systems for efficient voltage regulation

What is the typical output current of this device?


The output current is 333mA at a nominal voltage of 12V DC.

How does one install this converter on a PCB?


This device is designed for PCB mounting, utilising through-hole connections for secure installation.

What measures are in place for protection against power surges?


The converter includes built-in short-circuit and overload protection to defend against potential damage.

Can it function within various temperature environments?


Yes, it is designed to operate in a temperature range of -40 to +85°C without derating.

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