User HYQ

5 votes

2 answers

655 views

Why do power supplies get less efficient at high load?

asked Jul 29 at 21:51

3 votes

1 answer

131 views

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

power-supply power input

asked Jul 30 at 19:16

3 votes

4 answers

2k views

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

voltage wiring cables outlet

asked Jul 22 at 1:07

2 votes

0 answers

35 views

Inrush NTC thermistor vs. frequent on/off

temperature switching circuit-protection thermistor inrush-current

asked Jul 24 at 2:50

2 votes

1 answer

203 views

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

current current-measurement clamp

asked Jul 28 at 17:16

2 votes

1 answer

91 views

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

resistors connector soldering wiring

asked Jul 1 at 5:10

1 vote

2 answers

48 views

How is junction-to-ambient temperature measured?

transistors mosfet diodes heat thermal

asked Jun 18 at 16:46

1 vote

2 answers

38 views

How to distinguish different temperature wire insulations?

current temperature wire insulation gauge

asked Jun 29 at 22:46

1 vote

1 answer

50 views

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

capacitor pcb dc-dc-converter converter buck-boost

asked Aug 15 at 22:43

0 votes

1 answer

86 views

Is anyone familiar with this 29 pin connection?

power-supply identification connector cables pinout

asked Jun 7 at 18:36

0 votes

2 answers

105 views

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

transistors mosfet diodes heat thermal

asked Jun 18 at 3:27

0 votes

3 answers

91 views

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

current cables wire maximum-ratings gauge

asked Jun 18 at 20:23

0 votes

1 answer

65 views

White insulating sheets inside power supply

fan insulation

asked Jun 19 at 1:29

0 votes

1 answer

67 views

Does anyone recognize such connectors?

connector cables fan pins

asked Jun 23 at 0:11

0 votes

4 answers

110 views

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

power current resistors safety heat

asked Jun 26 at 3:58

0 votes

2 answers

41 views

Would an inductor work differently under a different dielectric environment?

inductor insulation dielectric

asked Jun 27 at 5:30

0 votes

2 answers

94 views

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

pcb control temperature thermistor

asked Jun 27 at 8:10

0 votes

1 answer

35 views

Attach thermocouple to a PFC inductor

inductor safety temperature thermocouple

asked Jul 1 at 17:25

0 votes

1 answer

100 views

Is 'grounding by chassis' achieved by the screws?

pcb ground grounding

asked Jul 1 at 19:58

0 votes

3 answers

86 views

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

electromagnetism measurement temperature thermocouple rtd

asked Jul 4 at 5:53

0 votes

2 answers

57 views

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

power measurement wiring cables

asked Jul 14 at 4:14

0 votes

3 answers

37 views

PCB power plane copper and lamination thickness

pcb current pcb-layers trace materials

asked Jul 17 at 17:44

-1 votes

1 answer

77 views

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

transformer identification wire insulation materials

asked Jul 5 at 3:34

-1 votes

0 answers

45 views

Coil near the DC output side of a power supply

power-supply transformer identification coil

asked Jul 31 at 17:11

-2 votes

2 answers

104 views

What is this component in a power supply?

power-supply filter inductor rectifier power-factor-correction

asked Jun 6 at 2:43

Stack Exchange Network

current community

your communities

more stack exchange communities

25 Questions

Why do power supplies get less efficient at high load?

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

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

Inrush NTC thermistor vs. frequent on/off

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

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

How is junction-to-ambient temperature measured?

How to distinguish different temperature wire insulations?

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

Is anyone familiar with this 29 pin connection?

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

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

White insulating sheets inside power supply

Does anyone recognize such connectors?

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

Would an inductor work differently under a different dielectric environment?

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

Attach thermocouple to a PFC inductor

Is 'grounding by chassis' achieved by the screws?

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

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

PCB power plane copper and lamination thickness

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

Coil near the DC output side of a power supply

What is this component in a power supply?