more fake transistors mj15024  - Page 1
Forum section: electronics / general

author: thedoc298
author_rank: Contributor
timestamp: August 16, 2025, 11:50:07 pm
content: Beware, as I roll the dice and lost. Bought 5 of the above transistors from ebay story called uzstorageall 5 of them were fake, shown in the picture is 3 of the fakes and the other two are on the saw. I included a not fake one to see the difference. Cost me several hours of rework. Only from Mouser from now on.

author: wraper
author_rank: Unknown
timestamp: August 17, 2025, 09:45:16 am
content: Buying power transistors on ebay is an insanity, especially in metal case. Might be somewhat sensible if it's from a seller who specializes in selling NOS parts which actually look like NOS on the photos, and seller is not located in China.

author: thedoc298
author_rank: Contributor
timestamp: August 17, 2025, 02:41:00 pm
content: https://www.ebay.com/itm/156216605856?_trkparms=ni_actn%3Anav%7Cni_nt%3ASellerInitiatedOffer%7Cni_apos%3A1%7Cni_sg%3A1%7Cni_pos%3A1%7Cni_st%3AREAD%7Cni_wh%3A1%7Cni_nid%3A894095942267%7Cni_nsid%3A156216605856%7Cni_et%3A1755625835843%7Cni_bn%3A1&_trksid=p2380424.m570.l5997&ul_noapp=true

author: oPossum
author_rank: Super Contributor
timestamp: August 17, 2025, 05:47:15 pm
content: Seller is in ChinaNote the use of 'for' in the listing. This tells you it is fake."5PCS NEWForMJ15024 NPN TO-3 Silicone Audio Power Output Transistor""Technical Specifications:100% Brand New and High QualityType: TransistorModel: MJ15024Compatible Model:ForMJ15024"

author: wraper
author_rank: Unknown
timestamp: August 17, 2025, 08:21:03 pm
content: Quote from: thedoc298 on August 17, 2025, 02:41:00 pmThese are obviously not NOS and marking is a smudged garbage, especially for components with a recent date code. Neither it matches the datasheet (uses outdated Motorola marking scheme, not ON semi), picture of a genuine parthttps://www.lcsc.com/product-image/C2730.html

author: thedoc298
author_rank: Contributor
timestamp: August 17, 2025, 09:47:21 pm
content: The fakes were 9.5 g and the real from mouser 11.6 g.

author: Haenk
author_rank: Super Contributor
timestamp: August 30, 2025, 06:51:19 am
content: Haha,the German ebay.de site states"UNIFIED_SOCIAL_CREDIT_CODE: 91370214MA3TCLU10Q"Orhttps://www.ebay.de/str/uzstorage?_tab=aboutwhich clearly states "China"So there you have it - 100% this seller is *not* US based, but based in China.Sorry about the "Haha", actually this is not funny at all, how ebay USA allows hiding the identity of the seller, supporting fraudulent activity.I would claim an "item not as described" with ebay. And of course leave a negative feedback.

author: factory
author_rank: Super Contributor
timestamp: August 30, 2025, 09:37:49 am
content: They are not hiding the location of the seller*, the listings might be misrepesenting the items location though.The frequent problem is finding an actual local seller, amongst the thousands of almost identical listings from aboard, same as finding sellers that are not drop shipping from other sites.* it's shown on the "old style" feedback page & the shop's "about" tab on the dotcom site.David

author: testpoint1
author_rank: Frequent Contributor
timestamp: August 31, 2025, 01:44:32 am
content: all of these fake element component, 100% made in China from 1980's, I even can tell you which town made it.

author: Jay_Diddy_B
author_rank: Super Contributor
timestamp: August 31, 2025, 02:13:00 am
content: Hi group:They are made of silicone:"5PCS NEW For MJ15024 NPN TO-3SiliconeAudio Power Output Transistor"That is what they make fake boobs fromJay_Diddy_B

author: Haenk
author_rank: Super Contributor
timestamp: September 02, 2025, 12:32:35 pm
content: Quote from: factory on August 30, 2025, 09:37:49 amLuckily, Germany (and most of the EU) enforces showing the sellers' imprint, so that "easy scam" approach is not working any more.Often, the chinese sellers *do* ship from Germany, which is even financially feasable, as they have a german VAT number.

author: humgar
author_rank: Regular Contributor
timestamp: September 05, 2025, 04:41:35 am
content: I'm curious. Which town?