Overview
The BUL1203E is a high-voltage, fast-switching NPN power transistor manufactured by STMicroelectronics. This device is produced using diffused collector in planar technology, which enhances switching speeds and maintains a tight DC current gain (hFE) range while ensuring a wide Reverse Bias Safe Operating Area (RBSOA).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 5 A |
| Voltage - Collector Emitter Breakdown (Max) | 550 V |
| Vce Saturation (Max) @ Ib, Ic | 1.5 V @ 1 A, 3 A |
| Current - Collector Cutoff (Max) | 100 µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 9 @ 2 A, 5 V |
| Power - Max | 100 W |
| Package / Case | TO-220-3 |
| Mounting Type | Through Hole |
Key Features
- High voltage capability up to 550 V
- High current handling up to 5 A
- Fast switching speeds due to diffused collector technology
- Tight DC current gain (hFE) range for reliable performance
- Wide Reverse Bias Safe Operating Area (RBSOA) for enhanced reliability
- TO-220-3 package for easy mounting and heat dissipation
Applications
The BUL1203E is suitable for various high-power and high-voltage applications, including:
- Power supplies and switching regulators
- Motor control and drive systems
- Industrial and power conversion systems
- Automotive and aerospace applications requiring high reliability and performance
Q & A
- What is the maximum collector current of the BUL1203E?
The maximum collector current of the BUL1203E is 5 A.
- What is the maximum collector-emitter breakdown voltage of the BUL1203E?
The maximum collector-emitter breakdown voltage of the BUL1203E is 550 V.
- What is the typical Vce saturation voltage of the BUL1203E?
The typical Vce saturation voltage of the BUL1203E is 1.5 V at 1 A and 3 A.
- What is the DC current gain (hFE) of the BUL1203E?
The DC current gain (hFE) of the BUL1203E is a minimum of 9 at 2 A and 5 V.
- What package type is the BUL1203E available in?
The BUL1203E is available in the TO-220-3 package.
- What is the maximum power dissipation of the BUL1203E?
The maximum power dissipation of the BUL1203E is 100 W.
- Why is the BUL1203E suitable for high-voltage applications?
The BUL1203E is suitable for high-voltage applications due to its high collector-emitter breakdown voltage and wide RBSOA.
- What are some common applications of the BUL1203E?
The BUL1203E is commonly used in power supplies, motor control systems, industrial and power conversion systems, and automotive applications.
- How does the diffused collector technology benefit the BUL1203E?
The diffused collector technology enhances the switching speeds and maintains a tight hFE range while ensuring a wide RBSOA.
- Is the BUL1203E RoHS compliant?
Yes, the BUL1203E is RoHS compliant.
