Electronics Forum: missing of components mainly capacitor (Page 1 of 1)

orientation of polarised smd components on reels/tapes

Electronics Forum | Mon Jul 25 09:11:25 EDT 2016 | spoiltforchoice

There 2 main rival standards for orientation in tape and because you can't really trust manufacturers to stick to one or the other or something else entirely it is always wise to check the datasheet. Typically an SOIC will have pin 1 the same end as

Reflow soldering of lead-free components with leaded solder paste

Electronics Forum | Fri Feb 23 11:50:14 EST 2024 | emanuel

Unfortunately it is not possible to post pictures here. It looks the same as in these photos: https://yic-assm.com/wp-content/uploads/2019/06/dewetting-1.jpg https://res.cloudinary.com/engineering-com/image/upload/v1577777622/tips/20191216_174750_1_a

EL Cap _ Missing & Shifted out of the Copper Pad

Electronics Forum | Fri Jul 21 03:51:06 EDT 2006 | Rob

Hi CKH, Here's some things to consider: 1) Moved by obstruction in/entering oven, such as nitrogen skirts 2) Incorrect air pressure/air leak in oven (large surface area on component) 3) Reflow temperature too hot & electrolyte/air in cap is expandi

Re: Desperately looking for help

Electronics Forum | Wed Dec 13 11:24:08 EST 2000 | Wolfgang Busko

Hi George, bad luck! That�s why we professionals get so much money for it. Those "thingies" are mainly capacitors or resistors. If a capacitor is missing you might with luck not even notice it. A resistor, that�s different, you will notice it, what

Re: Desperately looking for help

Electronics Forum | Wed Dec 13 11:24:10 EST 2000 | Wolfgang Busko

Hi George, bad luck! That�s why we professionals get so much money for it. Those "thingies" are mainly capacitors or resistors. If a capacitor is missing you might with luck not even notice it. A resistor, that�s different, you will notice it, what

Re: Missing SMT Chip Components

Electronics Forum | Wed Sep 15 03:11:33 EDT 1999 | Charles Stringer

| | | Hi, | | | | | | Recently encountered missing components problem at the SMT process. | | | Among 13 chip components from the same part number mounted on the board, only 4 ( located in a same row and next to each other) were missing after post r

Philips CSM84V

Electronics Forum | Wed Mar 21 17:47:05 EDT 2007 | darby

You need to use the H nozzle and 4 small jaws (1005). Have the slot in the jaws machined towards the rear of the jaw to increase reach. Set up and calibrate that head with that chucking assembly. Always use the same chucking assembly on the same he

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:55:16 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:55:28 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

Re: BGA Inspection Criteria

Electronics Forum | Sun Dec 10 11:56:05 EST 2000 | Bob Willis

The following may be of interest to you. INTRODUCTION TO X-RAY INSPECTION All text Copyright Bob Willis, EPS INTRODUCTION TO X-RAY INSPECTION The use of X-ray inspection is becoming very popular due to the increased use of Ball Grid Array (BGA)

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