SOT-23 Plastic-Encapsulate Transistors FMMT491 TRANSISTOR (NPN)
FEATURE
Switching Transistor
Marking :2X
MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)
| Symbol | Parameter | Value | Unit |
| VCBO | Collector-Base Voltage | 60 | V |
| VCEO | Collector-Emitter Voltage | 40 | V |
| VEBO | Emitter-Base Voltage | 6 | V |
| IC | Collector Current | 600 | mA |
| PC | Collector Power Dissipation | 300 | mW |
| RΘJA | Thermal Resistance From Junction To Ambient | 417 | ℃/W |
| Tj | Junction Temperature | 150 | ℃ |
| Tstg | Storage Temperature | -55～+150 | ℃ |
ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
| Collector-base breakdown voltage | V(BR)CBO | IC=100μA,IE=0 | 60 | | | V |
| Collector-emitter breakdown voltage | V(BR)CEO | IC=1mA,IB=0 | 40 | | | V |
| Emitter-base breakdown voltage | V(BR)EBO | IE=100μA ,IC=0 | 6 | | | V |
| Collector cut-off current | ICBO | VCB=50V,IE=0 | | | 0.1 | μA |
| Collector cut-off current | ICEX | VCE=35V, VEB=0.4V | | | 0.1 | μA |
| Emitter cut-off current | IEBO | VEB=5V,IC=0 | | | 0.1 | μA |
| DC current gain | hFE1 | VCE=1V, IC=0.1mA | 20 | | | |
| | hFE2 | VCE=1V, IC=1mA | 40 | | | |
| | hFE3 | VCE=1V, IC=10mA | 80 | | | |
| | hFE4 | VCE=1V, IC=150mA | 100 | | 300 | |
| | hFE5 | VCE=2V, IC=500mA | 40 | | | |
| Collector-emitter saturation voltage | VCE(sat) | IC=150mA,IB=15mA | | | 0.4 | V |
| | | IC=500mA,IB=50mA | | | 0.75 | V |
| Base-emitter saturation voltage | VBE(sat) | IC=150mA,IB=15mA | | | 0.95 | V |
| | | IC=500mA,IB=50mA | | | 1.2 | V |
| Transition frequency | fT | VCE=10V, IC=20mA,f =100MHz | 250 | | | MHz |
| Delay time | td | VCC=30V, VBE(off)=-2V IC=150mA , IB1=15mA | | | 15 | ns |
| Rise time | tr | | | | 20 | ns |
| Storage time | ts | VCC=30V, IC=150mA IB1=IB2=15mA | | | 225 | ns |
| Fall time | tf | | | | 60 | ns |
Measured under pulsed conditions, Pulse width=300μs, Duty cycle≤2%.
Typical Characterisitics
Package Outline Dimensions
| Symbol | Dimensions In Millimeters | Dimensions In Inches |
| | Min | Max | Min | Max |
| A | 0.900 | 1.150 | 0.035 | 0.045 |
| A1 | 0.000 | 0.100 | 0.000 | 0.004 |
| A2 | 0.900 | 1.050 | 0.035 | 0.041 |
| b | 0.300 | 0.500 | 0.012 | 0.020 |
| c | 0.080 | 0.150 | 0.003 | 0.006 |
| D | 2.800 | 3.000 | 0.110 | 0.118 |
| E | 1.200 | 1.400 | 0.047 | 0.055 |
| E1 | 2.250 | 2.550 | 0.089 | 0.100 |
| e | 0.950 TYP | 0.037 TYP |
| e1 | 1.800 | 2.000 | 0.071 | 0.079 |
| L | 0.550 REF | 0.022 REF |
| L1 | 0.300 | 0.500 | 0.012 | 0.020 |
| θ | 0° | 8° | 0° | 8° |
