Why to pay for the current, which you won´t use?

Switch-mode regulator Traco TSR 0.5 will give you as much as you need. If you have an application, where 0.5A is sufficient, then the new series of DC/DC modules is ideal for you.

This is an archive article published 01/02/2015. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

Maybe, it´s worth to ask a question, whether it makes sense to use a switch-mode regulator for such a low current? For sure yes, at least because of two reasons. If we need to create 3.3V from for example 12V, then at a current of 0.5A a power loss of 4.35W appears at a classic linear regulator. That´s already a quite considerable power, able to heat up a device - especially at smaller enclosures and a dense population on a PCB.

Another reason is energy saving - especially at battery powered devices. Switch mode power supplies (SMPS) have a “genial” feature, that thanks to their high efficiency we use practically whole power drawn from a source, i.e. if we need say 5V/0.5A from a 15V source - we won´t take from it 0.5A but only approx. 0,17-0,18A.

Novelty of company Traco Electronic - series TSR 0.5 is by its function very similar to well known, proven DC/DC regulators TSR1 or TSRN1. The main difference is in a smaller allowed current and a feelingly lower price . That ´s why this series is very suitable for any application, where a current of 0.5A will be sufficient. A big advantage can be a wide operating temperatures range from -40 to +90°C (power derating 5%/K at temperature above 80°C). Maximum input voltage of 32V enables a usage even at power supplying from various alternative energy sources with a big input voltage fluctuations.

This novelty is so far available in a version with 5V output voltage (TSR 0.5-2450) and soon there will be another.

In case of interest even in non-stock types, please contact us at info@soselectronic.com.

Advantages/ Features:

  • high efficiency up to 97%
  • excellent regulation
  • range of operating temperatures -40 to +90°C
  • shortcut and over-temperature protection
  • compact SIP3 package

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Competition with the following question has been published here:

What´s the typical efficiency of type TSR 0.5-2450?

The correct answer was: 86-94%
We have drawn the following winners:
Břetislav Brázda [CZ]
Martin Liptaj [CZ]
Lubo Vrabel [SK]
Csaba Ferkis [HU]
Sorin Cojocaru [RO]
Congratulations to winners. We´ll inform them by e-mail.

Additional products


TSR 0.5-2450 TRACOPOWER  
TSR 0.5-2450

DC/DC Module 6,5V-32V/5V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 156274
Manufacturer: TRACOPOWER
in stock 1143 pcs
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5,17 €
4,82 €
4,35 €
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TSR 0.5-24120 TRACOPOWER  
TSR 0.5-24120

DC/DC Module 15V-32V/12V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162951
Manufacturer: TRACOPOWER
in stock 0 pcs
(07/01/2022: 200 pcs)
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4,93 €
4,60 €
4,15 €
3,88 €
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TSR 0.5-2433 TRACOPOWER  
TSR 0.5-2433

DC/DC Module 4,75V-32V/3,3V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 156273
Manufacturer: TRACOPOWER
in stock 611 pcs
1 pcs+
5 pcs+
10 pcs+
20 pcs+
6,08 €
5,61 €
5,16 €
4,71 €
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TSR 0.5-2433SM TRACOPOWER  
TSR 0.5-2433SM

DC/DC Module 4,75V-32V/3,3V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165475
Manufacturer: TRACOPOWER
4718 pcs in 5-15 days
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TSR 0.5-24120SM TRACOPOWER  
TSR 0.5-24120SM

DC/DC Module 15V-32V/12V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165482
Manufacturer: TRACOPOWER
28 pcs in 5-15 days
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5,60 €
5,29 €
5,07 €
4,78 €
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TSR 0.5-2415 TRACOPOWER  
TSR 0.5-2415

DC/DC Module 4,75V-32V/1,5V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162945
Manufacturer: TRACOPOWER
106 pcs in 5-15 days
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20 pcs+
50 pcs+
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5,13 €
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TSR 0.5-24150 TRACOPOWER  
TSR 0.5-24150

DC/DC Module 18V-32V/15V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162952
Manufacturer: TRACOPOWER
485 pcs in 5-15 days
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20 pcs+
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5,13 €
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4,64 €
4,27 €
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TSR 0.5-24150SM TRACOPOWER  
TSR 0.5-24150SM

DC/DC Module 18V-32V/15V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165484
Manufacturer: TRACOPOWER
10 pcs+
20 pcs+
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100 pcs+
6,31 €
6,02 €
5,80 €
5,31 €
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TSR 0.5-2415SM TRACOPOWER  
TSR 0.5-2415SM

DC/DC Module 4,75V-32V/1,5V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165450
Manufacturer: TRACOPOWER
88 pcs in 5-15 days
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6,31 €
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5,31 €
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TSR 0.5-2418 TRACOPOWER  
TSR 0.5-2418

DC/DC Module 4,75V-32V/1,8V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162947
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48 pcs in 5-15 days
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4,64 €
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TSR 0.5-2418SM TRACOPOWER  
TSR 0.5-2418SM

DC/DC Module 4,75V-32V/1,8V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165455
Manufacturer: TRACOPOWER
134 pcs in 5-15 days
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6,31 €
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TSR 0.5-2425 TRACOPOWER  
TSR 0.5-2425

DC/DC Module 4,75V-32V/2,5V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162948
Manufacturer: TRACOPOWER
49 pcs in 5-15 days
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5,13 €
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4,64 €
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TSR 0.5-2425SM TRACOPOWER  
TSR 0.5-2425SM

DC/DC Module 4,75V-32V/2,5V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165457
Manufacturer: TRACOPOWER
78 pcs in 5-15 days
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6,31 €
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TSR 0.5-2450SM TRACOPOWER  
TSR 0.5-2450SM

DC/DC Module 6,5V-32V/5V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165477
Manufacturer: TRACOPOWER
10 pcs+
20 pcs+
50 pcs+
100 pcs+
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TSR 0.5-2465 TRACOPOWER  
TSR 0.5-2465

DC/DC Module 8V-32V/6,5V/500mA SIP3

Non-isolated Step-down Regulators (POL)

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Manufacturer: TRACOPOWER
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5,13 €
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4,64 €
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TSR 0.5-2465SM TRACOPOWER  
TSR 0.5-2465SM

DC/DC Module 8V-32V/6,5V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165478
Manufacturer: TRACOPOWER
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6,31 €
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TSR 0.5-2490 TRACOPOWER  
TSR 0.5-2490

DC/DC Module 11V-32V/9V/500mA SIP3

Non-isolated Step-down Regulators (POL)

Ord. No.: 162950
Manufacturer: TRACOPOWER
1510 pcs in 5-15 days
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20 pcs+
50 pcs+
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5,13 €
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4,27 €
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TSR 0.5-2490SM TRACOPOWER  
TSR 0.5-2490SM

DC/DC Module 11V-32V/9V/500mA SMD

Non-isolated Step-down Regulators (POL)

Ord. No.: 165481
Manufacturer: TRACOPOWER
113 pcs in 5-15 days
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20 pcs+
50 pcs+
100 pcs+
6,31 €
6,11 €
5,76 €
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