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| Part Number | FMMT451TC | FMMT491TC | FMMT455TC | FMMT458TC | FMMT459TC | FMMT551TC | FMMT451TA |
|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Transistor Type | NPN | NPN | NPN | NPN | NPN | PNP | NPN |
| Current - Collector (Ic) (Max) | 1 A | 1 A | 1 A | 225 mA | 150 mA | 1 A | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 60 V | 140 V | 400 V | 450 V | 60 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 350mV @ 15mA, 150mA | 250mV @ 100mA, 1A | 700mV @ 15mA, 150mA | 500mV @ 6mA, 50mA | 90mV @ 6mA, 50mA | 350mV @ 15mA, 150mA | 350mV @ 15mA, 150mA |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA | 100nA (ICBO) | 100nA | 100nA | 100nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 50 @ 150mA, 10V | 100 @ 500mA, 5V | 100 @ 150mA, 10V | 100 @ 50mA, 10V | 50 @ 30mA, 10V | 50 @ 150mA, 10V | 50 @ 150mA, 10V |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 625 mW | 500 mW | 500 mW |
| Frequency - Transition | 150MHz | 150MHz | 100MHz | 50MHz | 50MHz | 150MHz | 150MHz |
| 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) | -55°C ~ 200°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |
