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For sale here we have the above…
A silicon NPN transistor in a TO-39 type case designed primarily
for amplifier and switching applications.
This device features high
breakdown voltage, low leakage current, low capacity, and beta
useful over an extremely wide current range.
Date code 7845
Transistor Polarity: NPN
Collector Emitter Voltage V(br)ceo: 50V
Transition Frequency ft: 70MHz
Power Dissipation Pd: 3W
DC Collector Current: 1A
DC Current Gain hFE: 35
Transistor Case Style: TO-39
No. of Pins: 3
Operating Temperature Max: 200°C
MSL: – Collector Emitter Saturation Voltage Vce(on): 1.5V
Current Ic Continuous a Max: 500mA
Hfe Min: 40
Operating Temperature Range: -65°C to +200°C
Termination Type: Through Hole
The manufacturer of this part is unknown (see logo in the photo possibly GS or maybe CS)
For datasheet on an S.T. equivalent part scroll and paste:- http://pdf.datasheetcatalog.com/datasheet/stmicroelectronics/9036.pdf
These parts came to us as part of a lot of surplus stock from a large ‘Milspec ‘ type Co. and have been kept in storage for a time, they are however pristine, stored with us still in their original packaging and ‘as new’ in all respects, the photographs are representative of their excellent condition, and, as with all our products they come with a full guarantee.
If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.