CEL (California Eastern Laboratories) 2SA1978-A RF BJT
2SA1978-A by CEL (California Eastern Laboratories) · RF BJT
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
2SA1978-A
Lifecycle Status
Obsolete
Datasheet
2SA1978-A Datasheet
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Technical Specifications
CEL (California Eastern Laboratories) 2SA1978-A RF BJT technical specifications.
General
Package / Case
Strip
Mounting Type
Surface Mount
Operating Temperature
150°C (TJ)
Lifecycle Status
Obsolete
Current Collector IC Max
50 mA
Dc Current Gain Hfe Min IC Vce
20 @ 15mA, 10V
Frequency Transition
5.5 GHz
Gain
10dB
Noise Figure Db Typ F
2dB @ 1GHz
Power Max
200 mW
Alternate Parts Comparison (2SA1978-A vs 2SC5015-T1-A vs 2SC5508-T2-A vs NESG2107M33-A)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | Strip | SC-82A, SOT-343 | SOT-343F | 3-SMD, Flat Lead |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) | 150°C (TJ) |
| Current Collector IC Max | 50 mA | 30mA | 35mA | 100mA |
| Dc Current Gain Hfe Min IC Vce | 20 @ 15mA, 10V | 75 @ 10mA, 3V | 50 @ 5mA, 2V | 140 @ 5mA, 1V |
| Frequency Transition | 5.5 GHz | 12GHz | 25GHz | 10GHz |
| Gain | 10dB | 11dB | 17dB | 7dB ~ 10dB |
| Noise Figure Db Typ F | 2dB @ 1GHz | 1.5dB @ 2GHz | 1.1dB @ 2GHz | 0.9dB ~ 1.5dB @ 2GHz |
| Power Max | 200 mW | 150mW | 115mW | 130mW |
| Transistor Type | PNP | NPN | NPN | NPN |
| Voltage Collector Emitter Breakdown Max | 12 V | 6V | 3.3V | 5V |
| 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.
