CEL (California Eastern Laboratories) 2SC4957-A RF BJT
RF TRANS NPN 6V 12GHZ SOT143
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
2SC4957-A
Detailed Description
RF TRANS NPN 6V 12GHZ SOT143
Package
TO-253-4, TO-253AA
Lifecycle Status
Active
Datasheet
2SC4957-A Datasheet
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Technical Specifications
CEL (California Eastern Laboratories) 2SC4957-A RF BJT technical specifications.
General
Package / Case
TO-253-4, TO-253AA
Packaging
Strip
Mounting Type
Surface Mount
Operating Temperature
150°C (TJ)
Voltage Collector Emitter Breakdown Max
6V
Transistor Type
NPN
Power Max
180mW
Noise Figure Db Typ F
1.5dB @ 2GHz
Gain
11dB
Frequency Transition
12GHz
Related Parts Comparison (2SC4957-A vs NE664M04-T2-A vs NE461M02-T1-QR-AZ vs 2SC5015-T1-A)
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 | |
|---|---|---|---|---|
| Package / Case | TO-253-4, TO-253AA | SOT-343F | TO-243AA | SC-82A, SOT-343 |
| 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 | 30mA | 500mA | 250mA | 30mA |
| Dc Current Gain Hfe Min IC Vce | 75 @ 10mA, 3V | 40 @ 100mA, 3V | 60 @ 50mA, 10V | 75 @ 10mA, 3V |
| Gain | 11dB | 12dB | 8.3dB | 11dB |
| Power Max | 180mW | 735mW | 2W | 150mW |
| Transistor Type | NPN | NPN | NPN | NPN |
| Voltage Collector Emitter Breakdown Max | 6V | 5V | 15V | 6V |
| Frequency Transition | 12GHz | 20GHz | -- | 12GHz |
| Noise Figure Db Typ F | 1.5dB @ 2GHz | -- | 1.5dB ~ 2dB @ 500MHz ~ 1GHz | 1.5dB @ 2GHz |
| Lifecycle Status | -- | Obsolete | Obsolete | Obsolete |
| Action |
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