NPN General Purpose Amplifier
(continued)
Electrical Characteristics | TA = 25°C unless otherwise noted |
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Symbol | Parameter |
| Test Conditions | Min | Max | Units | |||
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OFF CHARACTERISTICS |
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V(BR)CEO | IC = 1.0 mA, IB = 0 |
| 30 |
| V | ||||
V(BR)CBO |
| IC = 10 μA, IE = 0 |
| 40 |
| V | |||
V(BR)EBO |
| IE = 10 μA, IC = 0 |
| 5.0 |
| V | |||
ICBO | Collector Cutoff Current |
| VCB = 20 V, IE = 0 |
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| 50 | nA | ||
IEBO | Emitter Cutoff Current |
| VEB = 3.0 V, IC = 0 |
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| 50 | nA | ||
ON CHARACTERISTICS* |
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hFE | DC Current Gain |
| VCE = 1.0 V, IC = 2.0 mA |
| 50 | 150 |
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| VCE = 1.0 V, IC = 50 mA |
| 25 |
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VCE(sat) |
| IC = 50 mA, IB = 5.0 mA |
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| 0.3 | V | |||
VBE(sat) |
| IC = 50 mA, IB = 5.0 mA |
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| 0.95 | V | |||
SMALL SIGNAL CHARACTERISTICS |
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Cob | Output Capacitance |
| VCB = 5.0 V, f = 100 kHz |
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| 4.0 | pF |
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Cib | Input Capacitance |
| VEB = 0.5 V, f = 0.1 MHz |
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| 8.0 | pF | |
hfe |
| IC = 2.0 mA, VCE = 10 V, |
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| f = 1.0 kHz |
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| 50 | 200 |
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| IC = 10 mA, VCE = 20 V, |
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| f = 100 MHz |
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| 2.5 |
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fT | Current Gain - Bandwidth Product |
| IC = 10 mA, VCE = 20 V |
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| 250 |
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| f = 100 MHz |
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NF | Noise Figure |
| VCE = 5.0 V, IC = 100 μA, |
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| 6.0 | dB | |
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| RS = 1.0 kΩ, |
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| BW = 10 Hz to 15.7 kHz |
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*Pulse Test: Pulse Width ≤ 300 μs, Duty Cycle ≤ 2.0% |
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2N4123
