Latest threads in Electronic Componentsshow only best voted threads
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High Voltage Lamp
I need a high voltage (240 vac) (led) lamp which can be mounted on a panel. It is to show the presence or absence of the voltage. Does anyone know where I can find one? Thanks, J. Bobinyec
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15 years ago
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Replacing S124 (DUAL VCO)
I have an old schematic with S124 on it. To my knowledge, only Farnell has it, and it is in a DIP package. Is there a replacement part, preferably SMD? (0 Hz - 10 MHz) TIA
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15 years ago
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How to make a remote control detonator
I need to make a remote control detonator . Anybody could give me schematics that work? Arturo Magidin, sans .sig
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15 years ago
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very low-profile LED array
Does anyone know of a very low-profile (
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15 years ago
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what is 300R on an inductor?
I've know 27R on a resistor is 27 ohms but what is 300R on an inductor? Is it 300uH? Dave
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15 years ago
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What is a CD4074?
The subject line says it all. I have four of these RCA ICs in my parts box, but have been unable to ID them. Any info would be appreciated. Thanks, David, VA3DKS
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15 years ago
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Freaky Amazing DMM?!
I'm testing a new DMM I purchased, AM-240 by Amprobe. It claims *over* 100Mohm impedance in 400.0mV mode. So I charged a 4.7uF Mylar capacitor to 36mV DC, and then placed the AM-240 (while in 400mV DC...
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15 years ago
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miniature/very small 3pst or 3pdt switch
Does anyone know a very small footprint 3pst switch? I need a single activation to switch in three separate functions in a portable, battery operated device. Ideally, it would even be SMD but a small...
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15 years ago
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Anyone know the specs for this transformer - U53PP206 53X0562-001 F EIA-549-9527
Hi, The EIA-549 shows me something about midwest coil and transformer, and I have to assume the "9527" means something I just can't find a table to show what. Any idea how many watts it can handle?...
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15 years ago
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Strange, but nice like PC Power 5-pins connector
Hi! We are looking for such connector as here: It is like PC UL power cord plug, but with 5 holes instead of 3. Can anybody help me to obtain such a cord or point to any source. Thank you in advance....
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15 years ago
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manufacturers of cell-phone data comm modules?
I've been doing Google searches for an integrated module that interfaces to a cell-phone system for communications. I am a relative newbie with this communications technique and I'm not sure I'm...
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15 years ago
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Resistor heat calculation help please.
Hi, I am using 3 x 100 ohm SMD resistors connected in parallel fed with a 12 volt supply to make a small heater for a device. I have calculated that the resistors will give a total of 4.3 watts. The...
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15 years ago
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RJ-45 panel mount plug?
Hello, I have tried to find RJ-45 panel mount plug, but couldn't so far find those anywhere. I have heard that these kind of plugs really exists and are mainly made for testing/tester use. It would be...
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15 years ago
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chip for keypad interfcace?
Does anyone know of a newer version of a simple keypad interface chip (provides debouncing, encoding, etc.) for a 4 X 4 keypad? The device I've used in the past is the 74C922. While the chip still...
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15 years ago
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MB3771 Reset chip
On a similar topic to my Reset IC post, on another board I've found that I need to replace the 8-pin DIL MB3771 Reset IC - can anyone suggest a modern, suitable replacement for this chip please?...
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15 years ago
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