TO-126 Plastic-Encapsulate Transistors
TIP122 Darlington Transistor (NPN)
TIP127 Darlington Transistor (PNP)
FEATURE
Medium Power Complementary Silicon Transistors
TO-126
1. EMITTER
2. COLLECTOR
3. BASE
MARKING
TIP122 , TIP127=Device code
Solid dot = Green molding compound device, if none, the normal device XX=Code
Equivalent Circuit
ORDERING INFORMATION
| Part Number | Package | Packing Method | Pack Quantity |
| TIP122 | TO-126 | Bulk | 200pcs/Bag |
| TIP127 | TO-126 | Bulk | 200pcs/Bag |
| TIP122-TU | TO-126 | Tube | 60pcs/Tube |
| TIP127-TU | TO-126 | Tube | 60pcs/Tube |
MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)
| Symbol | Parameter | TIP122 | TIP127 | Unit |
| VCBO | Collector-Base Voltage | 100 | -100 | V |
| VCEO | Collector-Emitter Voltage | 100 | -100 | V |
| VEBO | Emitter-Base Voltage | 5 | -5 | V |
| IC | Collector Current -Continuous | 5 | -5 | A |
| PC * | Collector Power Dissipation | 1.25 | W |
| RθJA | Thermal Resistance Junction to Ambient | 100 | ℃/W |
| RθJc | Thermal Resistance Junction to Case | 8.33 | ℃/W |
| TJ | Junction Temperature | 150 | ℃ |
| Tstg | Storage Temperature | -55~+150 | ℃ |
ELECTRICAL CHARACTERISTICS
Ta=25 Š unless otherwise specified
| TIP122 NPN |
| Parameter | Symbol | Test conditions | Min | Max | Unit |
| Collector-base breakdown voltage | V(BR)CBO | IC=1mA,IE=0 | 100 | | V |
| Collector-emitter breakdown voltage | VCEO(SUS) | IC=30mA,IB=0 | 100 | | V |
| Collector cut-off current | ICBO | VCB=100V, IE=0 | | 0.2 | mA |
| Collector cut-off current | ICEO | VCE=50 V, IB=0 | | 0.5 | mA |
| Emitter cut-off current | IEBO | VEB=5 V, IC=0 | | 2 | mA |
| DC current gain | hFE(1) | VCE= 3V, IC=0.5A | 1000 | | |
| hFE(2) | VCE= 3V, IC=3 A | 1000 | 12000 | |
| Collector-emitter saturation voltage | VCE(sat) | IC=3A,IB=12mA | | 2 | V |
| IC=5 A,IB=20mA | | 4 |
| Base-emitter voltage | VBE | VCE=3V, IC=3 A | | 2.5 | V |
| Output Capacitance | Cob | VCB=10V, IE=0,f=0.1MHz | | 200 | pF |
| TIP127 PNP |
| Parameter | Symbol | Test conditions | Min | Max | Unit |
| Collector-base breakdown voltage | V(BR)CBO | IC=-1mA,IE=0 | -100 | | V |
| Collector-emitter breakdown voltage | VCEO(SUS) | IC=-30mA,IB=0 | -100 | | V |
| Collector cut-off current | ICBO | VCB=-100V, IE=0 | | -0.2 | mA |
| Collector cut-off current | ICEO | VCE=-50 V, IB=0 | | -0.5 | mA |
| Emitter cut-off current | IEBO | VEB=-5 V, IC=0 | | -2 | mA |
| DC current gain | hFE(1) | VCE=-3V, IC=-0.5A | 1000 | | |
| hFE(2) | VCE=-3V, IC=-3A | 1000 | 12000 | |
| Collector-emitter saturation voltage | VCE(sat) | IC=-3A,IB=-12mA | | -2 | V |
| IC=-5 A,IB=-20mA | | -4 |
| Base-emitter voltage | VBE | VCE=-3V, IC=-3 A | | -2.5 | V |
| Output Capacitance | Cob | VCB=-10V, IE=0,f=0.1MHz | | 300 | pF |
* This test is performed with no heat sink at Ta=25℃.
Typical Characteristics
TO-126 Package Outline Dimensions
| Symbol | Dimensions In Millimeters | Dimensions In Inches |
| | Min | Max | Min | Max |
| A | 2.500 | 2.900 | 0.098 | 0.114 |
| A1 | 1.100 | 1.500 | 0.043 | 0.059 |
| b | 0.660 | 0.860 | 0.026 | 0.034 |
| b1 | 1.170 | 1.370 | 0.046 | 0.054 |
| c | 0.450 | 0.600 | 0.018 | 0.024 |
| D | 7.400 | 7.800 | 0.291 | 0.307 |
| E | 10.600 | 11.000 | 0.417 | 0.433 |
| e | 2.290 TYP | 0.090 TYP |
| e1 | 4.480 | 4.680 | 0.176 | 0.184 |
| h | 0.000 | 0.300 | 0.000 | 0.012 |
| L | 15.300 | 15.700 | 0.602 | 0.618 |
| L1 | 2.100 | 2.300 | 0.083 | 0.091 |
| P | 3.900 | 4.100 | 0.154 | 0.161 |
| Φ | 3.000 | 3.200 | 0.118 | 0.126 |
