Overview
The onsemi BDW93CTU is an NPN Darlington transistor, part of the BDW93 series, designed for high-performance applications. This transistor is manufactured by onsemi, formerly known as Fairchild Semiconductor, and is characterized by its high current handling and voltage ratings. The BDW93CTU is packaged in a TO-220-3 through-hole configuration, making it suitable for a variety of power and high-current applications. Despite being discontinued, it remains a significant component in many existing designs and legacy systems.
Key Specifications
| Attribute | Value | Units |
|---|---|---|
| Transistor Type | NPN Darlington | |
| Maximum Continuous Collector Current | 12 | A |
| Maximum Collector Emitter Voltage | 100 | V |
| Package Type | TO-220 | |
| Mounting Type | Through Hole | |
| Pin Count | 3 | |
| Transistor Configuration | Single | |
| Number of Elements per Chip | 1 | |
| Minimum DC Current Gain (hFE) | 100 @ 5A, 3V | |
| Maximum Base Emitter Saturation Voltage | 4 V | V |
| Maximum Collector Base Voltage | 100 V | V |
| Maximum Collector Emitter Saturation Voltage | 3 V @ 100mA, 10A | V |
| Maximum Collector Cut-off Current | 1 mA, 100 μA | A, μA |
| Dimensions | 9.9 x 4.5 x 15.95mm | mm |
| Maximum Power Dissipation | 80 W | W |
| Maximum Operating Temperature | +150 °C | °C |
Key Features
- High Current Handling: The BDW93CTU can handle a maximum continuous collector current of 12 A and a pulse current of up to 15 A, making it suitable for high-demand applications.
- High Voltage Ratings: With a maximum collector-emitter voltage of 100 V, this transistor can operate in high-voltage environments without breakdown.
- High DC Current Gain: The transistor has a minimum DC current gain (hFE) of 100 at 5 A and 3 V, ensuring high current amplification and sensitivity in circuits.
- Low Saturation Voltage: The collector-emitter saturation voltage is as low as 3 V at 100 mA and 10 A, reducing energy consumption and improving efficiency.
- Good Heat Dissipation: The TO-220 package provides good thermal performance, with a maximum junction temperature of 150 °C and thermal resistance of 1.5 °C/W.
- RoHS Compliance: The BDW93CTU is lead-free and RoHS compliant, making it suitable for modern electronic designs.
Applications
- Analog Switches: The BDW93CTU can be used to control the on and off of analog signals, such as in audio applications where it can amplify and cut off sound signals.
- Drive Circuits: It can drive various load devices like electric motors and displays due to its high current handling capability.
- Microwave Amplifiers: The high-frequency response characteristics make it suitable for microwave amplifier circuits.
- Constant Current Source: It can be used as a constant current source in various DC power supply circuits, providing stable output current.
- Hammer Drivers and Audio Amplifiers: It is also used in applications such as hammer drivers and audio amplifiers due to its high power handling and low saturation voltage.
Q & A
- What is the maximum continuous collector current of the BDW93CTU?
The maximum continuous collector current is 12 A.
- What is the maximum collector-emitter voltage of the BDW93CTU?
The maximum collector-emitter voltage is 100 V.
- What is the package type of the BDW93CTU?
The package type is TO-220-3 through-hole.
- What is the minimum DC current gain (hFE) of the BDW93CTU?
The minimum DC current gain (hFE) is 100 at 5 A and 3 V.
- What is the maximum power dissipation of the BDW93CTU?
The maximum power dissipation is 80 W.
- What is the maximum operating temperature of the BDW93CTU?
The maximum operating temperature is +150 °C.
- Is the BDW93CTU RoHS compliant?
Yes, the BDW93CTU is lead-free and RoHS compliant.
- What are some common applications of the BDW93CTU?
Common applications include analog switches, drive circuits, microwave amplifiers, and constant current sources.
- Why is the BDW93CTU suitable for high-frequency applications?
It is suitable due to its high-frequency response characteristics and low saturation voltage.
- What is the thermal resistance of the BDW93CTU?
The thermal resistance is 1.5 °C/W.
