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| Part Number | ZTX551STOB | ZTX553STOB | ZTX555STOB | ZTX557STOB | ZTX558STOB | ZTX651STOB | ZTX451STOB | ZTX550STOB | ZTX551STOA |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Transistor Type | PNP | PNP | PNP | PNP | PNP | NPN | NPN | PNP | PNP |
| Current - Collector (Ic) (Max) | 1 A | 1 A | 1 A | 500 mA | 200 mA | 2 A | 1 A | 1 A | 1 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 100 V | 150 V | 300 V | 400 V | 60 V | 60 V | 45 V | 60 V |
| Vce Saturation (Max) @ Ib, Ic | 350mV @ 15mA, 150mA | 250mV @ 15mA, 150mA | 300mV @ 10mA, 100mA | 300mV @ 5mA, 50mA | 500mV @ 6mA, 50mA | 500mV @ 200mA, 2A | 350mV @ 15mA, 150mA | 250mV @ 15mA, 150mA | 350mV @ 15mA, 150mA |
| Current - Collector Cutoff (Max) | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 100nA | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) | 100nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 50 @ 150mA, 10V | 40 @ 150mA, 10V | 50 @ 300mA, 10V | 50 @ 50mA, 10V | 100 @ 50mA, 10V | - | 50 @ 150mA, 10V | 100 @ 150mA, 10V | 50 @ 150mA, 10V |
| Power - Max | 1 W | 1 W | 1 W | 1 W | 1 W | 1 W | 1 W | 1 W | 1 W |
| Frequency - Transition | 150MHz | 150MHz | 100MHz | 75MHz | 50MHz | 175MHz | 150MHz | 150MHz | 150MHz |
| Operating Temperature | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) | -55°C ~ 200°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads | E-Line-3, Formed Leads |
| Supplier Device Package | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) | E-Line (TO-92 compatible) |
