TRACOPOWER TMR DC-DC Converter, 5V dc/ 800mA Output, 18 → 75 V dc Input, 4W, PCB Mount, +85°C Max Temp -40°C Min

RS Stock No.:: 209-9831
Mfr. Part No.:: TMR 4-4811WI
Brand:: TRACOPOWER

TRACOPOWER TMR DC-DC Converter, 5V dc/ 800mA Output, 18 → 75 V dc Input, 4W, PCB Mount, +85°C Max Temp -40°C Min

Bulk discount available

Subtotal (1 tube of 10 units)*

£125.29

(exc. VAT)

£150.35

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 12 February 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Tube(s)	Per Tube	Per unit*
1 - 4	£125.29	£12.529
5 - 9	£121.54	£12.154
10 - 24	£117.77	£11.777
25 - 49	£112.76	£11.276
50 +	£107.76	£10.776

*price indicative

RS Stock No.:: 209-9831
Mfr. Part No.:: TMR 4-4811WI
Brand:: TRACOPOWER

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	TRACOPOWER
	Output Voltage	5V dc
	Input Voltage Range	18 → 75 V dc
	Power Rating	4W
	Input Voltage Nominal	48 V dc
	Output Current	800mA
	Mounting Type	PCB Mount
	Isolated	Yes
	Number of Outputs	1
	Output Voltage Adjustment Range	5V dc
	Package	SIP 8
	Isolation Voltage	1.6kV
	Width	9.3mm
	Depth	11.2mm
	Length	21.8mm
	Series	TMR
	Load Regulation	0.01
	Medical Approved	Yes
	Minimum Temperature	-40°C
	Standards Met	EN 62368-1
	Maximum Temperature	+85°C
	Efficiency	78%

	Select all
	Brand TRACOPOWER
	Output Voltage 5V dc
	Input Voltage Range 18 → 75 V dc
	Power Rating 4W
	Input Voltage Nominal 48 V dc
	Output Current 800mA
	Mounting Type PCB Mount
	Isolated Yes
	Number of Outputs 1
	Output Voltage Adjustment Range 5V dc
	Package SIP 8
	Isolation Voltage 1.6kV
	Width 9.3mm
	Depth 11.2mm
	Length 21.8mm
	Series TMR
	Load Regulation 0.01
	Medical Approved Yes
	Minimum Temperature -40°C
	Standards Met EN 62368-1
	Maximum Temperature +85°C
	Efficiency 78%

RoHS Status: Not Applicable

COO (Country of Origin):: TW

TRACOPOWER TMR Series DC-DC Converter, 5V DC Output Voltage, 4W Power Rating - TMR 4-4811WI

This DC-DC converter is vital for applications requiring effective voltage conversion and dependable power supply. Encased in a compact SIP-8 package, it accommodates a broad input voltage range of 18 to 75V DC, making it applicable in diverse industrial settings. Its high level of isolation and medical certifications support safe use in critical applications, affirming its role as a solid power solution.

Features & Benefits

• Compact SIP-8 package optimises space in PCB designs
• Wide input voltage range caters to varied applications
• High efficiency up to 78% lowers energy consumption
• Built-in short-circuit and overload protection enhances reliability
• Remote On/Off control streamlines integration into automated systems

Applications

• Ideal for electronic instrumentation requiring 5VD output
• Utilised in automation systems for effective power management
• Suitable for powering medical devices within approved guidelines
• Applicable in communication equipment needing stable voltage supplies

How does it maintain performance under high temperatures?

This product supports an operating temperature range from -40 to +85°C, with a power derating of 3.33% per K above 70°C, ensuring consistent operation in elevated temperature environments.

Can this converter handle short-circuits?

Yes, it features continuous short-circuit protection with automatic recovery, promoting safety and longevity in your applications.

Is this device suitable for PCB mount installations?

Yes, it is designed for PCB mount applications, with a compact footprint that integrates seamlessly into existing setups.

What is the maximum output current for this converter?

The output current capacity is 800 mA at 5VD, providing adequate power for various electronic circuits.