TO-220 Failures due to lead bending?

Device manufacturers explicitly say not to bend the lead at the body. I assume it places a strain on the die.

Graham

As have I, with re-worked SO-8 apckages. Luckily it was the bit in a gatedrive that decided whether or not to turn the IGBT off :(

At a place I worked, we did exactly this with a progressive tool the first part of the lever pull clamped the leads just outside the package, then the bending occurred. The production manager said it took them a while, and a lot of failures, to come up with this approach.

Cheers Terry

I had four kids... they're probably all older than you are... none of which was immaculate conception ;-)

...Jim Thompson

Filthy in that it looks like drives were rained on. Terminal blocks are actually rusty. They are supposed to be in a pollution degree 2 or

regards, Bob

Brian wrote:

If the boards are getting *wet*, as well as dirty (ie. conductive), all bets are off. Burned up is to be expected.

Better enclosure and conformal coating.

Best regards, Spehro Pefhany

Au contraire. There's a type of woman who goes for engineers, and they are a very nice type indeed.

And I never touch my monitor; the fingerprints are hard to get off the lcd.

John

This only proves to me that you had a mailman.

Not to mention the "fluids" you have deposited there.

You really are weird.

John

Yes, very true.

Let's award him "Village Idiot of the Week", so he can then contend for higher honor ;-)

...Jim Thompson

-- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | |

Nah, I think he's referring to Window's "sticky keys" feature.

I'll accept it when you accept the "Village Idiot That Didn't Get Any This Week" award.

He talks about sex all the time because he doesn't know much about electronics. Ironic, since he doesn't know much about sex, either.

John

I have a nagging feeling that the underwear I've got on at the moment may well be older than him.

Best regards, Spehro Pefhany

John, I did more in electronics in the first 15 years than you will in your life. Now, I can just sit back, run the company I always wanted, and never worry about a thing. In the meantime, you keep in there eating Mac and Cheese every nite with your sig. other. After all, he loves ya!

Spehro, come on now. You were the one that could not present facts on your side of the arguement and ran from it, to instead talk about women's boobs! Your just being even more ignorant now than in that series of posts. Just admit you know zero about the subject and move on. I would, after alll, you don't see me trying to move in on your expertise as a inside player in the homosexual community, do you?

Cleaner, too.

John

OK, I've designed over a thousand circuit boards, roughly $200e6 in sales, and hacked close to a thousand programs, a million lines or two, including three RTOSs and a couple of compilers. Lately, timing system and beam modulators for NIF, and a lot of NMR and aerospace stuff.

Show us a link.

I've delegated the running of my company to people who are good at that sort of thing, so I can keep designing electronics:

Mo does make mighty tasty mac and cheese, with white cheddar and crunchy toasted baked bread cubes on top. She's Irish/Sicilian and does interesting things. I just cooked lunch, portabellas and veggies (mostly garlic!) in a white wine sauce over pasta, and I'm just now finishing off the last of the chocolate truffles.

All I need now, to make life perfect, is a good affordable source for connectorized 1310 nm singlemode lasers.

John