TO-92 Plastic-Encapsulate Transistors A94 TRANSISTOR (PNP)
FEATURE
Ÿ High DC Current Gain and Large Current Capability
MARKING
M28S=Device code
Solid dot=Green molding compound device,
if none,the normal device
Z=Rank of hFE, XXX=Code
ORDERING INFORMATION
| Part Number | Package | Packing Method | Pack Quantity |
| M28S | TO-92 | Bulk | 1000pcs/Bag |
| M28S-TA | TO-92 | Tape | 2000pcs/Box |
MAXIMUM RATINGS (Ta =25 Š unless otherwise noted)
| Symbol | Para meter | Value | Unit |
| VCBO | Collector-Base Voltage | 40 | V |
| VCEO | Collector-Emitter Voltage | 20 | V |
| VEBO | Emitter-Base Voltage | 6 | V |
| IC | Collector Current -Continuous | 1 | A |
| PD | Collector Power Dissipation | 625 | mW |
| R0 JA | Thermal Resist ance f rom Junction to Ambient | 200 | Š / W |
| Tj | Junction Temperature | 150 | Š |
| Tstg | Storage Temperature | -55 ~+150 | Š |
ELECTRICAL CHARACTERISTICS
Ta=25 Š unless otherwise specified
| Parameter | Symbol | Test conditions | Min | Typ | Max | Unit |
| Collector-base breakdown voltage | V(BR)CBO | IC= 0.1mA ,IE=0 | 40 | | | V |
| Collector-emitter breakdown voltage | V(BR) CEO | IC=1mA,IB=0 | 20 | | | V |
| Emitter-base breakdown voltage | V(BR)EBO | IE=0.1mA,IC=0 | 6 | | | V |
| Collector cut-off current | ICBO | VCB=40V,IE=0 | | | 1 | µA |
| Collector cut-off current | ICEO | VCE=20V,IB=0 | | | 5 | µA |
| Emitter cut-off current | IEBO | VEB=5V,IC=0 | | | 0.1 | µA |
| DC current gain | hFE(1) | VCE=1V, IC=1mA | 290 | | | |
| | hFE(2) | VCE=1V, IC=100mA | 300 | | 1000 | |
| | hFE(3) | VCE=10V, IC=300mA | 300 | | | |
| | hFE(4) | VCE=1V, IC=500mA | 300 | | | |
| Collector-emitter saturation voltage | VCE(sat) | IC=600mA,IB=20mA | | | 0.55 | V |
| Transition frequency | fT | VCE=10V,IE=50mA ,f=30MHz | 100 | | | MHz |
CLASSIFICATION OF hFE(2)
| RANK | B | C | D |
| RANGE | 300-550 | 500-700 | 650-1000 |
Package Outline Dimensions
| Symbol | Dimensions In Millimeters | Dimensions In Inches |
| | Min | Max | Min | Max |
| A | 3.300 | 3.700 | 0.130 | 0.146 |
| A1 | 1.100 | 1.400 | 0.043 | 0.055 |
| b | 0.380 | 0.550 | 0.015 | 0.022 |
| c | 0.360 | 0.510 | 0.014 | 0.020 |
| D | 4.300 | 4.700 | 0.169 | 0.185 |
| D1 | 3.430 | | 0.135 | |
| E | 4.300 | 4.700 | 0.169 | 0.185 |
| e | 1.270 TYP | 0.050 TYP |
| e1 | 2.440 | 2.640 | 0.096 | 0.104 |
| L | 14.100 | 14.500 | 0.555 | 0.571 |
| 0 | | 1.600 | | 0.063 |
| h | 0.000 | 0.380 | 0.000 | 0.015 |
