Electronics Forum: tqfp (Page 1 of 9)

Soldering Temperature for TQFP160

Electronics Forum | Tue Jan 20 06:38:06 EST 1998 | Igmar

Is there anyone who can tell me what is the maximum allowable soldering temperature when soldering a TQFP (Thin Quad Flat Pack) device in a reflow oven? We recently used a CY7C375i in a TQFP160 package and we experienced warping (bending) of this com

Re: PLCC parts

Electronics Forum | Thu Oct 12 09:30:20 EDT 2000 | John Thorup

They'll fit just fine in a TQFP 14mm X 14mm tray.

Solder bridges on TQFP 100 part

Electronics Forum | Wed Aug 07 17:20:17 EDT 2019 | orbitcoms

The aperture over the pads is set to 95% coverage of the pad. The stencil is 0.12 mm thick.

Solder bridges on TQFP 100 part

Electronics Forum | Wed Aug 07 18:32:22 EDT 2019 | orbitcoms

How would I measure/observe coplanarity issues ?

Solder bridges on TQFP 100 part

Electronics Forum | Wed Aug 07 01:41:27 EDT 2019 | orbitcoms

Hi I am having trouble getting solder bridges on TQFP-100 (0.5mm pitch) components. The boards are pasted on semi-auto printer using laser-cut 0.12mm stencil and SN63 NC257-2 T4 paste. The components are placed using Samsung CP40LV and tghen reflow

Quad 4C vision alignment

Electronics Forum | Mon Jul 15 19:18:51 EDT 2013 | microaide

Does anyone know how to make the vision alignment work on a Quad 4C? What I mean is make it work right, and reliably. I know how to define the component for inspection (lead pitch, lead count, dimensions, tolerances, etc.), and I know how to set ligh

Soldering Temperature for TQFP160

Electronics Forum | Tue Jan 20 06:46:39 EST 1998 | IgmarG

This is a re-post of my previous message. I typed my Email address wrong in the other message. I am sorry for any inconvenience caused. Is there anyone who can tell me what is the maximum allowable soldering temperature when soldering a TQFP (Thin Qu

Re: Soldering Temperature for TQFP160

Electronics Forum | Thu Jan 29 08:33:34 EST 1998 | Mike Moninger

This is a re-post of my previous message. I typed my Email address wrong in the other message. I am sorry for any inconvenience caused. Is there anyone who can tell me what is the maximum allowable soldering temperature when soldering a TQFP (Thi

Re: Soldering Temperature for TQFP160

Electronics Forum | Wed Jan 21 22:35:01 EST 1998 | Scott

Is there anyone who can tell me what is the maximum allowable soldering temperature when soldering a TQFP (Thin Quad Flat Pack) device in a reflow oven? We recently used a CY7C375i in a TQFP160 package and we experienced warping (bending) of this c

Re: Component Package Specs

Electronics Forum | Wed Jan 12 14:43:54 EST 2000 | JAX

Doug, Jedec has this info. Here is a few for you to use. LENGTH, L+LEADS, WIDTH, W+LEADS, PITCH, AVG. HEIGHT. 1. CQFP100AC: 17.28,22.35,17.28,22.35,.635,4.92 2. CQFP100AF: 32.52,37.59,32.52,37.59,1.27,4.92 3. PQFP100AD: 19.05,22.35,19.05,22.35,.

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