PTC4001T transistor equivalent, npn microwave power transistor.
* Diffused emitter ballasting resistors providing excellent current sharing and withstanding a high VSWR
* Interdigitated structure provides high emitter efficien.
Common collector oscillator circuits under CW conditions in military and professional applications up to 5 GHz. DESCRIPT.
NPN silicon planar epitaxial microwave transistor in a SOT440A metal ceramic flange package with collector connected to flange.
2 Top view Marking code: 440. b 3
MAM131
PTC4001T
QUICK REFERENCE DATA Microwave performance up to Th = 25 °C in an osci.
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