Microsemi JAN2N2857 RF BJT
JAN2N2857 by Microsemi · RF BJT · TO-72-3MetalCan
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
JAN2N2857
Package
TO-72-3MetalCan
Lifecycle Status
Obsolete
Datasheet
JAN2N2857 Datasheet
Quick Jump:
Technical Specifications
Microsemi JAN2N2857 RF BJT technical specifications.
General
RoHS
Yes
Mounting Type
Through Hole
Operating Temperature
-65°C ~ 200°C (TJ)
Lifecycle Status
Obsolete
Transistor Type
NPN
Voltage Collector Emitter Breakdown Max
15V
Frequency Transition
500MHz
Noise Figure Db Typ F
4.5dB @ 450MHz
Gain
12.5dB ~ 21dB @ 450MHz
Power Max
200mW
Related Parts Comparison (JAN2N2857 vs JAN2N2857UB vs JAN2N4957 vs JANTX2N2857UB)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Surface Mount | Through Hole | -- |
| Operating Temperature | -65°C ~ 200°C (TJ) | -65°C ~ 200°C (TJ) | -65°C ~ 200°C (TJ) | -- |
| RoHS | Yes | -- | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | -- |
| Current Collector IC Max | 40mA | 40 mA | 30mA | -- |
| Dc Current Gain Hfe Min IC Vce | 30 @ 3mA, 1V | 30 @ 3mA, 1V | 30 @ 5mA, 10V | -- |
| Gain | 12.5dB ~ 21dB @ 450MHz | 21dB | 25dB | -- |
| Noise Figure Db Typ F | 4.5dB @ 450MHz | 4.5dB @ 450MHz | 3.5dB @ 450MHz | -- |
| Package | TO-72-3MetalCan | -- | TO-72-3MetalCan | Case UB-4 |
| Power Max | 200mW | 200 mW | 200mW | -- |
| Transistor Type | NPN | NPN | PNP | -- |
| Voltage Collector Emitter Breakdown Max | 15V | 15 V | 30V | -- |
| 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.
