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| Part Number | 2N4124 | 2N4126 | 2N4125 | 2N4124G | 2N4123 |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | NTE Electronics, Inc | onsemi | NTE Electronics, Inc |
| Product Status | Obsolete | Active | Active | Obsolete | Active |
| Transistor Type | NPN | PNP | PNP | NPN | NPN |
| Current - Collector (Ic) (Max) | 200 mA | 200 mA | 200 mA | 200 mA | 200 mA |
| Voltage - Collector Emitter Breakdown (Max) | 25 V | 25 V | 30 V | 25 V | 30 V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 5mA, 50mA | 400mV @ 5mA, 50mA | 400mV @ 5mA, 50mA | 300mV @ 5mA, 50mA | 300mV @ 5mA, 50mA |
| Current - Collector Cutoff (Max) | 50nA (ICBO) | 50nA (ICBO) | 50nA (ICBO) | 50nA (ICBO) | 50nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 120 @ 2mA, 1V | 120 @ 2mA, 1V | 50 @ 2mA, 1V | 120 @ 2mA, 1V | 50 @ 2mA, 1V |
| Power - Max | 625 mW | 625 mW | 625 mW | 625 mW | 350 mW |
| Frequency - Transition | 300MHz | 250MHz | 200MHz | 300MHz | 250MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 Long Body | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92 (TO-226) | TO-92 | TO-92 | TO-92 (TO-226) | TO-92 |
