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| Part Number | BF421ZL1G | BF422ZL1G | BF423ZL1G | BF420ZL1G | BF421ZL1 |
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Transistor Type | PNP | NPN | PNP | NPN | PNP |
| Current - Collector (Ic) (Max) | 50 mA | 50 mA | 500 mA | 50 mA | 50 mA |
| Voltage - Collector Emitter Breakdown (Max) | 300 V | 250 V | 250 V | 300 V | 300 V |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA | 500mV @ 2mA, 20mA |
| Current - Collector Cutoff (Max) | 10nA (ICBO) | - | 10nA (ICBO) | 10nA (ICBO) | 10nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 50 @ 25mA, 20V | 50 @ 25mA, 20V | 50 @ 25mA, 20V | 50 @ 25mA, 20V | 50 @ 25mA, 20V |
| Power - Max | 830 mW | 830 mW | 830 mW | 830 mW | 830 mW |
| Frequency - Transition | 60MHz | 60MHz | 60MHz | 60MHz | 60MHz |
| 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 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) | TO-226-3, TO-92-3 Long Body (Formed Leads) |
| Supplier Device Package | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) | TO-92 (TO-226) |
