Electronic Components

SMD part, but what is it ?

Hi, a friend of mine tried to tweak his green laser, but now he fried a SMD part with 65CB printed on top. On other las...

0 comments posted 20yrs

posted by benzandstra

0 comments posted 20yrs posted by benzandstra

TA7644 Video Chroma IC

Does anyone have detailed theory of operation for this chip. Thanks Dave

0 comments posted 20yrs

posted by dhinchli

0 comments posted 20yrs posted by dhinchli

CBS Transistors

What's the companies' name that has "CBS" on an older transistor? Would these be rare?

3 comments posted 20yrs

posted by r86calande

3 comments posted 20yrs posted by r86calande

10kv, 10ma, 1ms, switch

Hello, Values in this example are nominal just to explore component choices. I have a 0.002ufd capacitor charged to +10...

14 comments posted 20yrs

posted by thubin

14 comments posted 20yrs posted by thubin

Problem with the STK465 ( B or A ... ? )

I got a problem with the STK465. The device I tried to replace was marked STK465 with a B on. ( that one is defective....

0 comments posted 20yrs

posted by post

0 comments posted 20yrs posted by post

Obseleted IC Supplier

Dear Members, We are ready to supply you. Let us know your request, we do able to send = you our real stock and price wi...

7 comments posted 20yrs

posted by patrick.cheung

7 comments posted 20yrs posted by patrick.cheung

Nixie tube lifetime

I'm thinking of building a nixie clock. I'm a bit concerned about the lifetime of the nixie tubes. A lot of old Soviet...

7 comments posted 20yrs

posted by dreamlayers_at_yahoo_dot_ca

7 comments posted 20yrs posted by dreamlayers_at_yahoo_dot_ca

12vdc polarity protection

I am looking for a component or construct of components that will trip and could be reset if polarity is reversed in th...

7 comments posted 20yrs

posted by mobilsurg

7 comments posted 20yrs posted by mobilsurg

A strange 555 Timer problem

Hi, Ive built a LF ramp generator using a CMOS 555, where the timing cap (and pins 2,6,7) is fed by a constant current...

12 comments posted 20yrs

posted by jeff_164

12 comments posted 20yrs posted by jeff_164

Start assist device...

Hi everyones...thanks to read. I've dismantled my air conditioner to clean the inside. I've noticed that there's a devi...

0 comments posted 20yrs

posted by kilowatt"nospam"

0 comments posted 20yrs posted by kilowatt"nospam"

ST Microelectronics L5970A question

Hi all I'm using the L5970AD to provide a 3.3V supply, however the undervoltage lockout (UVLO) does not appear to opera...

0 comments posted 20yrs

posted by b60s

0 comments posted 20yrs posted by b60s

Data sheet Motorola MC68HC25

Hello, I am looking for the data sheet from the I/O expander chip from Motorola MC68HC25. I am looking for a complete d...

0 comments posted 20yrs

posted by matthieu.benoit

0 comments posted 20yrs posted by matthieu.benoit

Low-torque Potentiometer

Hi! I'm looking for a potentiometer or trimmer with a low torque. It doesn't necessarily be really accurate like the on...

9 comments posted 20yrs

posted by dexterdexter

9 comments posted 20yrs posted by dexterdexter

DC-DC converters

Hi, all. Can someone recommend a DC-DC converter with an input voltage of 5V, and outputs of 16V and 22V @ 100mA each?

1 comments posted 20yrs

posted by tderoux

1 comments posted 20yrs posted by tderoux

UC3854 PFC problems

I am working on UC3854 PFC. Input is 80-250V, 50Hz, output is 385V dc. Everything is made like on 250W pfc preregulator...

4 comments posted 20yrs

posted by spirit810

4 comments posted 20yrs posted by spirit810