| Part Number | MPSA12 | MPSA42 |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | NTE Electronics, Inc |
| Category | Transistors - Bipolar (BJT) - Single | Transistors - Bipolar (BJT) - Single |
|
|
|
| Product Status | Obsolete | Active |
| Transistor Type | NPN - Darlington | NPN |
| Current - Collector (Ic) (Max) | - | 500 mA |
| Voltage - Collector Emitter Breakdown (Max) | 20 V | 300 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 10µA, 10mA | 500mV @ 2mA, 20mA |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 20000 @ 10mA, 5V | 40 @ 30mA, 10V |
| Power - Max | 625 mW | 625 mW |
| Frequency - Transition | - | 50MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92 (TO-226) | TO-92-3 |