Electronics Forum | Mon Aug 11 08:47:31 EDT 2008 | davef
Your MPI (Inspection Procedure) is certainly flawed. Your MPI should have caught this on the first board your produced, before it was reflowed. For help convincing yourself the part is rotated 180*, your choices are: * Get the pin-out of the compone
Electronics Forum | Mon Aug 11 11:13:05 EDT 2008 | davef
So, how did you get some parts going one way and other parts going another way? It would be highly unusual to receive a reel packaged that way. No, don't send the data sheet. We can see that Vcc is on pin 8 of the part. What pin of this component do
Electronics Forum | Wed Nov 14 00:38:45 EST 2001 | jarvis76
Does anyone have experience with the zsct1555 timer chip made by Zetex? I can't seem to get it to oscillate properly. My values for vcc and components are as follows: Vcc=1.5v Ra=220 ohm Rb=3200 ohm Ct=100uf OR..... If you know of any other chips
Electronics Forum | Wed Sep 29 09:57:48 EDT 2021 | zxcvb
I'm attempting to perform power analysis on my target, which operates at 3.3 volts. The average current while running is around 140mA without the resistor. With a 5V power source, I utilized a 10Ohm resistor as a shunt resistor. The shunt resistor w
Electronics Forum | Wed Mar 27 20:21:57 EDT 2013 | vitroblue
Hi I was looking for the development board of a MCU i was asked to evaluate, but upon checking out the gerbers i found something weird this pcb is a 4 layer stack 1 smd connections 2 gnd 3 vcc 4 thd connections question 1) in this case, i'd place o
Electronics Forum | Fri Mar 21 14:14:59 EST 2003 | mantis
I have contacted both vendors with this issue and the both said they have never heard of such a problem and that they could offer no type of explanitation.The leads are 90 sn/10pb and 98sn/2pb respectivley. The parts are all connected to the vcc and
Electronics Forum | Tue Jan 20 04:43:33 EST 2015 | gragal
I need to replace a device which is in a 6-pin package which looks like SOT 23-6 / SC-74 style. The markings are D102/ 214B (D102 above 214B). I have checked numerous references to no avail. I think that the device is a comparator or op-amp with V
Electronics Forum | Mon Jul 25 04:49:28 EDT 2016 | chris10
Hi, To enlarge the 3.6 V of PWM wave of MCU to 6 V which control on and off of transistors. But op-amp part never amplifies out . Simulation diagram is shown in the figure. Op-amp is LM368h and 8 v single power supply.The datasheet of LM368h is http:
Electronics Forum | Thu Nov 03 00:14:11 EDT 2022 | bin4ry2
Can anyone help to identify this little tan/brown colored pcb part? (The one labeled GND) I believe it's called an SMD ceramic capacitor but could certainly be incorrect. There don't appear to be any marking on it so beside the tan color, picture qu
Electronics Forum | Thu Jun 04 12:22:12 EDT 1998 | John Allan
| | | Hello: | | | BACKGROUD: SMT components soldered on the top-side of boards that also require wave soldering have the potential to reflow during wave soldering. Reflowing these components during wave soldering is not good. It can cause cold jo
.gif)