Miniature encapsulated transformers

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Manufacturer : TruPower
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High quality miniature mains transformers with a 230V primary winding and a choice of single or twin secondary winding outputs. Inherently short circuit proof and 100% tested.

Split bobbin construction
Insulation class B @ T_A 70°C
Manufactured according to EN61588
Approved to VDE/UL standards
Vacuum encapsulated to UL 94V-0

Product details Hints & Tips

Description	Code	RoHS	Datasheets	1+	10+	25+

Manufacturer Part #: G7000 Mini Enc Transformer 230v 0.35va 6v	88-3346			£3.57	£3.25	£3.08	stock due in 5-7 days Receive stock notification by text or email	Buy
Manufacturer Part #: G7100 Mini Enc Transformer 230v 0.5va 6v	88-3348			£3.80	£3.46	£3.28	In stock despatch same day	Buy
Manufacturer Part #: G7101 Mini Enc Transformer 230v 0.5va 9v	88-3574			£3.80	£3.46	£3.28	normally despatched 1-2 weeks Receive stock notification by text or email	Buy

Technical Specification

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Rating	Type	Primary	Secondary	No load	Pin outs
					Primary	Secondary	Secondary
0.35VA	EE20/6.1	230V	6V	9.70V	1+4	6+7
			9V	14.73V	1+4	6+7
			12V	20.00V	1+4	6+7
			15V	26.08V	1+4	6+7
			2x6V	2x10.50V	1+4	5+6	7+8
			2x9V	2x15.70V	1+4	5+6	7+8
			2x12V	2x20.20V	1+4	5+6	7+8
			2x15V	2x29.79V	1+4	5+6	7+8
			2x24V	2x40.64V	1+4	5+6	7+8
0.50VA	EE20/10.5	230V	6V	11.00V	1+4	6+7
			9V	16.52V	1+4	6+7
			12V	20.63V	1+4	6+7
			15V	26.02V	1+4	6+7
			24V	41.06V	1+4	6+7
			2x6V	2x10.90V	1+4	5+6	7+8
			2x9V	2x16.38V	1+4	5+6	7+8
			2x12V	2x20.63V	1+4	5+6	7+8
			2x15V	2x25.83V	1+4	5+6	7+8
* For conformance reasons transformers with 2x15V & 2x24V outputs should not have their secondaries connected in series

Questions

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Question by Steve | Product code: 88-3346

11th May 2012

QHi I have tested a couple of these transformers and with only a few mA load they are very warm to the touch. Is this normal ? Could you tell me what case temperature these transformers should run at full load and no load. I am concerned the higher than expected running temperature may reduce reliability. Thanks.

AThanks for your enquiry Steve. They should run fairly warm as they are running mains voltage, the manufacturer does not appear to have any running temperature ratings but they do seem to state tested to 70 deg so up to this I would expect to be fairly normal.

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