Microsemi MRF581 RF BJT
MRF581 by Microsemi · RF BJT · Macro-X
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MRF581
Package
Macro-X
Lifecycle Status
Obsolete
Datasheet
MRF581 Datasheet
Quick Jump:
Technical Specifications
Microsemi MRF581 RF BJT technical specifications.
General
RoHS
Not Compliant
Number of Pins
4
Package / Case
Bulk
Mounting Type
Surface Mount
Operating Temperature
150°C (TJ)
Lifecycle Status
Obsolete
Automotive
No
Collector Base Voltage Vcbo
30 V
Collector Emitter Breakdown Voltage
18 V
Collector Emitter Voltage Vceo
18 V
Alternate Parts Comparison (MRF581 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 | Surface Mount | Through Hole | Surface Mount | SMD/SMT |
| Transistor Type | Bipolar | NPN | NPN | Bipolar |
| Package / Case | Bulk | TO-205AD, TO-39-3 Metal Can | Power Macro | -- |
| RoHS | Not Compliant | Yes | -- | Yes |
| Current Collector IC Max | 200 mA | 150mA | 500 mA | -- |
| Dc Current Gain Hfe Min IC Vce | 50 @ 50mA, 5V | 50 @ 60mA, 10V | 30 @ 250mA, 5V | -- |
| Gain | 13dB ~ 15.5dB | 9dB ~ 10dB | 11dB ~ 13dB | -- |
| Power Max | 1.25 W | 2.5W | 3 W | -- |
| Technology | Si | Si | -- | Si |
| Voltage Collector Emitter Breakdown Max | 18 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.