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| Part Number | MMST4126-7-F | MMST4124-7-F | 
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | 
| Product Status | Obsolete | Obsolete | 
| Transistor Type | PNP | NPN | 
| Current - Collector (Ic) (Max) | 200 mA | 200 mA | 
| Voltage - Collector Emitter Breakdown (Max) | 25 V | 25 V | 
| Vce Saturation (Max) @ Ib, Ic | 400mV @ 5mA, 50mA | 300mV @ 5mA, 50mA | 
| Current - Collector Cutoff (Max) | 50nA (ICBO) | 50nA (ICBO) | 
| DC Current Gain (hFE) (Min) @ Ic, Vce | 120 @ 2mA, 1V | 120 @ 2mA, 1V | 
| Power - Max | 200 mW | 200 mW | 
| Frequency - Transition | 250MHz | 300MHz | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | SC-70, SOT-323 | SC-70, SOT-323 | 
| Supplier Device Package | SOT-323 | SOT-323 |