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Posted

OK, max about ~1.25 in-lbs, then.

This is 20 inch ounces, which is what my torque screwdriver is calibrated in. So I'll set it to 18 or so, that should give me a little margin, and still be pretty tight.

Many thanks.

Posted

It looks remarked on 2SK213,214,215 or counterfeit.

1. Hitachi logo is slightly different.

2. Date code format is strange. “912”? Probably they misread “9 I2” (9=1989 or 1999 I =Sep) when they copied.

3. Font is same as my other counterfeit transistors.

Posted

I'm not sure if the 2sk216 that I bought off Ebay are real. What do you think? Is there any simple way to test to see if they are real or fake?

DSC_2018.jpg

The logo looks fake to me. Real Hitachi logos don't look like that. That looks laser-etched, and they didn't get the logo right. Google image search "hitachi transistor" and compare, I don't see any logos that look like that one.

I wonder if there is a way to contact Hitachi, you'd think they'd be interested in fighting counterfeits- although maybe at this low level it might be below their radar.

Posted (edited)

No. Pacificsemi has fakes as well. They are tempered devices that have the front scrubbed and reprinted. Cancel your order!

The same treatment has been applied to both J74 and K216, so I'm guessing both stock are fakes.

Edited by ujamerstand
Posted

I have an inquiry in with a Renesas distributor (they will be buying them direct from Renesas, so they will be genuine), they said they will get back to me on the minimum purchase quantity for K216 and J79. If it's not too big I can do a GB for these parts.

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