2SD424 transistor
2SD424 transistor electrical specification
- 2SD424 is a silicon NPN POWER transistor device
- Collector to emitter voltage is 180V
- Collector to base voltage is 180V
- Emitter to base voltage is 5V
- Collector current is 15A
- Pulsed collector current is 20A
- Base current is 5A
- Power dissipation is 150W
- DC current gain is 40 to 140hFE
- Transition frequency (FT) is 5MHz
- Junction temperature is between -55 to 150℃
- Thermal resistance between, the junction to the case is 1℃/W
- Collector to emitter saturation voltage (VCE (SAT)) is 3V
- Output capacitance is 300Pf
- High power dissipation
- High collector to an emitter breakdown voltage
2SD424 PINOUT
| Pin Number | Pin Name | Description |
| 1 | Base | Base terminal is the trigger for the transistor |
| 2 | Emitter | Current flows through the emitter |
| 3 | Collector | Current flows through the collector |
2SD424 package
The 2SD424 power transistor has a TO-3 package, it is a bulkier device package used for power applications.
TO-3 is a two-terminal device and the body itself acts as the third terminal, the outer covering is made of metal which will act as the heat sink for the circuit.
2SD424 transistor electrical specification & application note
Here in this section, we explain the electrical specifications of the 2SD424 transistor, this explanation is really useful for a better understanding of the device and helpful for the replacement process.
Voltage specs
The terminal voltage specifications of the 2SD424 transistor are collector to emitter is 180V, collector to the base is 180V, and emitter to the base is 5V, the voltage values indicate it is a high voltage device.
The collector-to-emitter saturation voltage is 3V, which is the voltage used to switching the device.
Overall, the voltage specs show it is a higher-voltage device used for power applications.
Current specs
The collector current value of the 2SD424 transistor is 15A, it is the maximum load capacity of the device.
The base current value of the 2SD424 transistor is 1.5A, this value indicates the switching current of the device.
2SD424 transistors are been used for power switching applications, on such circuits load capacity is very important.
Dissipation specs
The power dissipation value of the 2SD424 transistor is 150W, it is the product of voltage and current produced by the transistor.
DC current gain specs
The DC current gain value of the 2SD424 transistor is 40 to 140Hfe, this value is important for amplifier applications.
Transition frequency
Transition frequency value of the 2SD424 transistor is 5MHz, frequency value had important at the circuit level.
Maximum temperature value
The maximum temperature value of the 2SD424 transistor is -55 to +150℃.
Output capacitance
The output capacitance value of the 2SD424 transistor is 300pF, capacitance values are very important for audio-related applications.
2SD424 DATASHEET
If you need the datasheet in pdf please click this link
2SD424 equivalent
2SD424 power transistor have equivalent devices such as 2N6676, 2SD753, 2SD0602, 2SD1001, 2SD0602A and 2SD0814A, each of these transistors have almost same electrical specifications.
The 2SD424 transistors have power applications, so specifications like the voltage, current, DC current gain, and PINOUT details are been checked and verified before the replacement process.
2SD424 vs 2N6676
Here in the table below, we list and compare the electrical specifications of 2SD424 and 2N6676, this comparison is really useful for a better understanding of the device.
Characteristics 2SD424 2N6676
Collector to base voltage (VCB) 180V 450V
Collector to emitter voltage (VCE) 180V 300V
Emitter to base voltage (VEB) 5V 8V
Collector to emitter saturation voltage (VCE (SAT)) 3V 1.5V
Collector current (IC) 15A 15A
Pulsed collector current - 20A
Base current 1.5A 5A
Power dissipation 150W 175W
Junction temperature (TJ) -55 to +150°C -65 to +200°C
Transition frequency (FT) 5MHZ 3 to 10MHZ
Gain (hFE) 40 to 140hFE 8hFE
Output capacitance 300pF 500pF
Package TO-3 TO-3
2SD424 applications
- Power amplifier applications
- Switching circuit applications
- Voltage regulator circuit
