| Part Numbers | Manufacturer Name | Datasheet | Transistor Type | Current - Collector (Ic) (Max) | Voltage - Collector Emitter Breakdown (Max) | Vce Saturation (Max) @ Ib, Ic | Current - Collector Cutoff (Max) | DC Current Gain (hFE) (Min) @ Ic, Vce | Power - Max | Frequency - Transition | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BD442STU | FAIRCHILD SEMICONDUCTOR CORP | PNP | 4A | 80V | 800mV @ 200mA, 2A | 100µA | 40 @ 500mA, 1V | 36W | 3MHz | Through Hole | TO-225AA, TO-126-3 | |
| BD744B-S | BOURNS INC | PNP | 15A | 80V | 3V @ 5A, 15A | 100µA | 20 @ 5A, 4V | 2W | - | Through Hole | TO-220-3 | |
| BD746B-S | BOURNS INC | PNP | 20A | 80V | 3V @ 5A, 20A | 100µA | 20 @ 5A, 4V | 3.5W | - | Through Hole | TO-218-3 | |
| BD441STU | FAIRCHILD SEMICONDUCTOR CORP | NPN | 4A | 80V | 800mV @ 200mA, 2A | 100µA | 40 @ 500mA, 1V | 36W | 3MHz | Through Hole | TO-225AA, TO-126-3 | |
| BD442S | FAIRCHILD SEMICONDUCTOR CORP | PNP | 4A | 80V | 800mV @ 200mA, 2A | 100µA | 40 @ 500mA, 1V | 36W | 3MHz | Through Hole | TO-225AA, TO-126-3 | |
| BD537J | FAIRCHILD SEMICONDUCTOR CORP | NPN | 8A | 80V | 800mV @ 200mA, 2A | 100µA | 30 @ 2A, 2V | 50W | 12MHz | Through Hole | TO-220-3 | |
| BD537K | FAIRCHILD SEMICONDUCTOR CORP | NPN | 8A | 80V | 800mV @ 200mA, 2A | 100µA | 40 @ 2A, 2V | 50W | 12MHz | Through Hole | TO-220-3 | |
| BD537KTU | FAIRCHILD SEMICONDUCTOR CORP | NPN | 8A | 80V | 800mV @ 200mA, 2A | 100µA | 40 @ 2A, 2V | 50W | 12MHz | Through Hole | TO-220-3 | |
| BD538J | FAIRCHILD SEMICONDUCTOR CORP | PNP | 8A | 80V | 800mV @ 600mA, 6A | 100µA | 30 @ 2A, 2V | 50W | 12MHz | Through Hole | TO-220-3 | |
| BD538K | FAIRCHILD SEMICONDUCTOR CORP | PNP | 8A | 80V | 800mV @ 600mA, 6A | 100µA | 40 @ 2A, 2V | 50W | 12MHz | Through Hole | TO-220-3 |
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