Microsemi MRF545 RF BJT
MRF545 by Microsemi · RF BJT · TO-39
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MRF545
Package
TO-39
Lifecycle Status
Obsolete
Datasheet
MRF545 Datasheet
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Technical Specifications
Microsemi MRF545 RF BJT technical specifications.
General
Package / Case
Bulk
Mounting Type
Through Hole
Lifecycle Status
Obsolete
Current Collector IC Max
400 mA
Dc Current Gain Hfe Min IC Vce
15 @ 50mA, 6V
Frequency Transition
1GHz ~ 1.4GHz
Gain
14dB
Power Max
3.5 W
Transistor Type
PNP
Voltage Collector Emitter Breakdown Max
70 V
Alternate Parts Comparison (MRF545 vs MRF517 vs MRF555 vs MRF581A)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | Surface Mount | SMD/SMT |
| Transistor Type | PNP | NPN | NPN | Bipolar |
| Package / Case | Bulk | TO-205AD, TO-39-3 Metal Can | Power Macro | -- |
| Current Collector IC Max | 400 mA | 150mA | 500 mA | -- |
| Dc Current Gain Hfe Min IC Vce | 15 @ 50mA, 6V | 50 @ 60mA, 10V | 30 @ 250mA, 5V | -- |
| Gain | 14dB | 9dB ~ 10dB | 11dB ~ 13dB | -- |
| Power Max | 3.5 W | 2.5W | 3 W | -- |
| Voltage Collector Emitter Breakdown Max | 70 V | 20V | 16 V | -- |
| Action |
More Parts in RF BJT
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.