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9V 100mA Sub Miniature Transformer

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Quoting product code: WB01B


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About this product


  • A very small transformer that is wire ended
  • Has a 100mA output
  • Overall size: 37 x 31 x 30mm

Product overview

• A very small transformer that is wire ended• Has a 100mA output• Overall size: 37 x 31 x 30mm• Fixing centres: 45mm


Operating Specifications

Input Voltage:


Output Current:



Fixing Centres:


Dimensions & Weight








Asked by: DAVE
This service is for frequently asked questions and does not allow two way communication, In order for us to best assist you with your technical issue please contact us on the details below : 0333 400 9500 or email
Answered by: Darren
Date published: 2016-09-29

I need to power a number of LED's of different voltages via 4 LM317 voltage regulator circuits on my model railway.. Can you confirm that this is a 230/240V primary and is the output adequate to power up to (for instance) 100 LEDs? Thanks Steve

Asked by: Steve E
As much as we would love to be able to help here, as Technical Support Advisors we cannot offer design project advice or assistance, we are more than happy to locate products and support you with your purchases but we are not able to design entire circuits or projects for you. If you do have the design/circuit information detailing the value of the components needed we will be happy to locate these for you.
Answered by: Dominic
Date published: 2016-04-04

What are the primary input Is it 110 -0 110 -0
Asked by: Martin
No these are 230 - 0
Answered by: JK
Date published: 2015-07-17

What is the input current for this transformer?
Asked by: Tim
Approx 200mA
Answered by: JK
Date published: 2015-07-17

can you use the 12-0-12 v transformer to provide a 24v ac across the two 12v terminals?
Asked by: Peter
Yes the product does support that.
Answered by: JK
Date published: 2015-07-17

hi, will this work with my 12v led lights? they are a strip of led's and need this to power them using the mains. thankyou
Asked by: Terry Jackson
It will, but you will need to convert it from AC to DC.
Answered by: JK
Date published: 2015-07-17

Are these transformers IP54 rated?
Asked by: Chris Lo
No IP rating on these.
Answered by: GM
Date published: 2015-07-17

I need a small plug in transformer for Input 230V AC Output 12V DC 200mA for powered speakers. Thank You
Asked by: D J Butler
use JC92A
Answered by: PW
Date published: 2015-07-17
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