TRACOPOWER Switching Regulator, Through Hole, 2.5V dc Output Voltage, 4.6 → 36V dc Input Voltage, 2A Output

RS Stock No.:: 166-6149
Mfr. Part No.:: TSR 2-2425
Brand:: TRACOPOWER

TRACOPOWER Switching Regulator, Through Hole, 2.5V dc Output Voltage, 4.6 → 36V dc Input Voltage, 2A Output

Bulk discount available

Subtotal (1 tube of 10 units)*

£111.73

(exc. VAT)

£134.08

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 10 February 2026

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

Tube(s)	Per Tube	Per unit*
1 - 4	£111.73	£11.173
5 - 9	£108.39	£10.839
10 - 24	£105.04	£10.504
25 - 49	£100.57	£10.057
50 +	£96.09	£9.609

*price indicative

RS Stock No.:: 166-6149
Mfr. Part No.:: TSR 2-2425
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	2.5V dc
	Output Current	2A
	Input Voltage	4.6 → 36V dc
	Mounting Type	Through Hole
	Number of Outputs	1
	Package	SIP
	Efficiency	87%
	Ripple And Noise	50mV Pk-Pk
	Minimum Temperature	-40°C
	Maximum Temperature	+85°C
	Series	TSR 2
	Line Regulation	Maximum of 0.5%
	Load Regulation	Maximum of 1%
	Length	14mm
	Switching Frequency Range	410kHz
	Weight	2.6g
	MTBF	13520000h
	Rated Output Power	2W
	Power Signal Conversion Type	DC-DC
	Standards Met	IEC/EN 60950-1, MIL-STD-810F, UL 60950-1, UL 94 V-0
	Width	7.5mm
	Depth	10.1mm
	Protection Features	Over Temperature Protection, Overload Protection, Short Circuit Protection
	Maximum Input Current	1mA

	Select all
	Brand TRACOPOWER
	Output Voltage 2.5V dc
	Output Current 2A
	Input Voltage 4.6 → 36V dc
	Mounting Type Through Hole
	Number of Outputs 1
	Package SIP
	Efficiency 87%
	Ripple And Noise 50mV Pk-Pk
	Minimum Temperature -40°C
	Maximum Temperature +85°C
	Series TSR 2
	Line Regulation Maximum of 0.5%
	Load Regulation Maximum of 1%
	Length 14mm
	Switching Frequency Range 410kHz
	Weight 2.6g
	MTBF 13520000h
	Rated Output Power 2W
	Power Signal Conversion Type DC-DC
	Standards Met IEC/EN 60950-1, MIL-STD-810F, UL 60950-1, UL 94 V-0
	Width 7.5mm
	Depth 10.1mm
	Protection Features Over Temperature Protection, Overload Protection, Short Circuit Protection
	Maximum Input Current 1mA

Datasheet

COO (Country of Origin):: TW

TRACOPOWER TSR 2 Series Switching Regulator, 2.5V DC Output Voltage, 2A Output Current - TSR 2-2425

This switching regulator is a compact DC-DC converter designed to provide a steady output of 2.5V DC with a maximum output current of 2A. With measurements of 14mm in length, 7.5mm in width, and 10.m in depth, this through-hole regulator is suitable for various applications where space is at a premium.

Features & Benefits

• High efficiency of up to 96% reduces heat generation
• Integrated filter capacitors minimise the need for external components
• Operating temperature range from -40°C to +85°C covers diverse environments
• Overload and short-circuit protection enhance reliability and safety
• Low ripple and noise output ensures stable power supply
• Excellent load and line regulation for optimal performance

Applications

• Used with battery-powered devices for efficient energy management
• Ideal for automation systems requiring precise voltage control
• Suitable for electronic instrumentation and control circuits
• Effective in telecommunications equipment where stability is vital
• Employed in mechanical devices needing compact power solutions

What are the key advantages of using a high-efficiency switching regulator over linear regulators?

A high-efficiency switching regulator significantly decreases energy loss as heat, allowing more efficient operation at elevated temperatures without necessitating heat sinks. This can lead to lower overall system costs and improved reliability in the application.

How does the built-in overload protection function in this regulator?

The overload protection operates in foldback mode, reducing the output current in response to excessive load conditions. This helps prevent damage to the device while maintaining safety.

Can this regulator be used in applications with varying input voltages?

Yes, it is designed to handle an input voltage range of 4.6 to 36V DC, making it versatile for different power supply environments while ensuring consistent output.