Soviet USSR KT Transistors - Scrap Gold
KT Transistors have quite a bit of gold in them, however they are very poorly documented in the scrapping world outside of the former Soviet Union.
What you are looking for are 3 legged pnp transistors usually with the markings "KT" and a 3 slotted hole in the top middle. They were used in many Soviet produced items.
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https://i.postimg.cc/7hVVH49G/KT-Transistors.jpg
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The gold plated parts inside of the transistor are about 1 in 30 gold by weight.
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Some of the part numbers are:
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0347 KSB7720 ( KSV7720 )
0347 KSB772R ( KSV772R )
0604 KT814B ( KT814V )
4AP1
4БF4 ( 4BF4 )
644B ( 644V )
646A
6A2E1
720A
7AC4
7БH0 ( 7BHO )
7БH4 ( 7BH4 )
8130A
8130B ( 8130V )
8131A
8131Б ( 8131B )
8135Б ( 8135B )
8170A1 0310
8170Б1 0404 ( 8170B1 )
8БS7 ( 8BS7 )
8ДP4 ( 8DP4 )
8EI1
9181A
9203 646B ( 646V )
930Б KT972Б ( 930B )
9AC1
9AS7
BD136 PH < year made > ( VD136 )
C8 KT969A
DO 644Б ( 644B )
DO 8131B ( 8131V )
D4 683A
F1 815Б ( 815B )
KSB772Y ( KSV772Y )
KSD882Y
KT601 AM < year made >
KT602 БM < year made > ( BM )
KT605 БM < year made > ( BM )
KT605 AM < year made >
KT611 AM < year made >
KT611 БM < year made > ( BM )
KT626Б ( KT626B )
KT626Б 0286 ( KT262B )
KT626Д 9203 ( KT626D )
KT626E 9306
KT626Г 1288 ( KT626G )
KT639Г ( KT639G )
KT719A
KT806Б 9306 ( KT806B )
KT814A
KT814B ( KT814V )
KT817A
KT817Б 8701 ( KT817B )
KT969A 8904
KT9115
T7 683B ( 683V )
V4 626B ( 626V )
W1 644A
( I did not include the 'bell' shaped transistor numbers - they also have gold in them )
( Please post if you have more KT numbers for this specific type of soviet transistor )
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Video
https://www.youtube.com/watch?v=ms_2Kz1DVUk
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