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HYQ
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5 votes
2 answers
655 views

Why do power supplies get less efficient at high load?

3 votes
1 answer
131 views

How can some power supplies run on different input voltages (110/220V)?

3 votes
4 answers
2k views

Wiring a 240 V single phase cable to two 110 V outlets (120 deg apart)

2 votes
0 answers
35 views

Inrush NTC thermistor vs. frequent on/off

2 votes
1 answer
203 views

Can I measure multiple wires (same current direction) with a clamp meter?

2 votes
1 answer
91 views

How to attach cable to a solder eyelet? [duplicate]

1 vote
2 answers
48 views

How is junction-to-ambient temperature measured?

1 vote
2 answers
38 views

How to distinguish different temperature wire insulations?

1 vote
1 answer
50 views

Purpose of capacitors near the input of DC/DC boost converter

0 votes
1 answer
86 views

Is anyone familiar with this 29 pin connection?

0 votes
2 answers
105 views

What does it mean 'leaded' near junction-to-case resistance?

0 votes
3 answers
91 views

Why does Pomona banana jack cable have 18 AWG but can handle 15 amps?

0 votes
1 answer
65 views

White insulating sheets inside power supply

0 votes
1 answer
67 views

Does anyone recognize such connectors?

0 votes
4 answers
110 views

Can I run resistor at a power higher than rated if I have external cooling?

0 votes
2 answers
41 views

Would an inductor work differently under a different dielectric environment?

0 votes
2 answers
94 views

Replacing a thermistor sensor with a common resistor to 'trick' it

0 votes
1 answer
35 views

Attach thermocouple to a PFC inductor

0 votes
1 answer
100 views

Is 'grounding by chassis' achieved by the screws?

0 votes
3 answers
86 views

Why is RTD immune to electro-magnetic fields? [closed]

0 votes
2 answers
57 views

How to connect IEC cable to the output of a Yokogawa WT310 power meter

0 votes
3 answers
37 views

PCB power plane copper and lamination thickness

-1 votes
1 answer
77 views

What is the insulation material on the wire for this PCB transformer? [closed]

-1 votes
0 answers
45 views

Coil near the DC output side of a power supply

-2 votes
2 answers
104 views

What is this component in a power supply?