User Greenonline

1 vote

3 answers

7k views

What is this 9609SB?

asked Aug 31, 2020 at 6:12

20 votes

8 answers

6k views

Espionage by CRT mirroring

asked Jul 27, 2018 at 15:02

1 vote

1 answer

4k views

Can I use an axial inductor instead of a radial inductor?

asked Aug 4, 2015 at 22:33

1 vote

1 answer

4k views

Part identification, or alternative part - 63 613 Power Management chip [closed]

asked Mar 27, 2019 at 18:28

6 votes

5 answers

3k views

Which way round should D3 go?

asked Aug 10, 2019 at 18:33

3 votes

1 answer

2k views

Low voltage protection for a LiPo

asked Aug 2, 2017 at 13:27

0 votes

1 answer

2k views

Polarities of high current bypass, and short circuit protection, transistors on LM7912 - NPN or PNP?

asked Oct 14, 2019 at 10:33

1 vote

2 answers

872 views

Audio output referenced to Vcc

asked Apr 21, 2018 at 10:02

0 votes

1 answer

495 views

Quad XOR IC query 4030/4507

asked Aug 22, 2018 at 10:24

3 votes

1 answer

376 views

4 digit capacitor code

asked Jul 1, 2023 at 6:27

0 votes

1 answer

368 views

Power transistor identification

asked Nov 22, 2018 at 2:55

1 vote

1 answer

337 views

Schematic for pulse generator by Terence Thomas

asked Apr 28, 2018 at 17:37

1 vote

1 answer

319 views

Is this a MOSFET and if so which legs are which?

asked May 2, 2020 at 11:27

0 votes

1 answer

205 views

Do Twisted Nematic LCD need refresh (polarity reversal)?

asked Dec 26, 2016 at 23:26

3 votes

2 answers

155 views

I think that these gate resistors are 2.2 kΩ, isn't that rather high?

asked Mar 24, 2023 at 20:08

0 votes

1 answer

114 views

Which model of MBT desoldering station is this?

asked Mar 19, 2023 at 13:48

0 votes

2 answers

46 views

Can MCPCBs be used for audio frequency and/or MCU clock frequency applications?

asked Apr 20, 2019 at 11:59

Stack Exchange Network

17 Questions

What is this 9609SB?

Espionage by CRT mirroring

Can I use an axial inductor instead of a radial inductor?

Part identification, or alternative part - 63 613 Power Management chip [closed]

Which way round should D3 go?

Low voltage protection for a LiPo

Polarities of high current bypass, and short circuit protection, transistors on LM7912 - NPN or PNP?

Audio output referenced to Vcc

Quad XOR IC query 4030/4507

4 digit capacitor code

Power transistor identification

Schematic for pulse generator by Terence Thomas

Is this a MOSFET and if so which legs are which?

Do Twisted Nematic LCD need refresh (polarity reversal)?

I think that these gate resistors are 2.2 kΩ, isn't that rather high?

Which model of MBT desoldering station is this?

Can MCPCBs be used for audio frequency and/or MCU clock frequency applications?