Overview
The BDX33C is a silicon Epitaxial-Base NPN power Darlington transistor manufactured by STMicroelectronics, not Bourns Inc. as initially mentioned. It is designed for use in power linear and switching applications. The transistor is housed in a Jedec TO-220 plastic package, making it suitable for a variety of power management and control scenarios.
Key Specifications
| Parameter | Unit | Min. | Typ. | Max. |
|---|---|---|---|---|
| Collector-Base Voltage (VCBO) | V | - | - | 100 |
| Collector-Emitter Voltage (VCEO) | V | - | - | 100 |
| Collector Current (IC) | A | - | - | 10 |
| Collector Peak Current (ICM) | A | - | - | 15 |
| Base Current (IB) | A | - | - | 0.25 |
| Total Dissipation at Tc ≤ 25°C (Ptot) | W | - | - | 70 |
| Storage Temperature (Tstg) | °C | -65 | - | 150 |
| Max. Operating Junction Temperature (Tj) | °C | - | - | 150 |
| Collector-Emitter Saturation Voltage (VCE(sat)) | V | - | - | 2.5 |
| DC Current Gain (hFE) | - | - | 750 | - |
Key Features
- Monolithic Darlington configuration for high current gain and low base current requirements.
- High DC current gain (hFE = 750 typ.) at IC = 3 A.
- Low collector-emitter saturation voltage (VCE(sat) = 2.5 V max.) at IC = 3 A.
- Collector-emitter sustaining voltage (VCEO(sus) = 100 V min.).
- Compact TO-220AB package.
- Pb-free packages available.
Applications
- Power linear and switching applications.
- General purpose and low-speed switching applications.
- Muting, inverter, interface, and driver circuits.
Q & A
- What is the BDX33C transistor?
The BDX33C is a silicon Epitaxial-Base NPN power Darlington transistor.
- What is the maximum collector current of the BDX33C?
The maximum collector current (IC) is 10 A.
- What is the maximum collector-emitter voltage of the BDX33C?
The maximum collector-emitter voltage (VCEO) is 100 V.
- What is the typical DC current gain of the BDX33C?
The typical DC current gain (hFE) is 750 at IC = 3 A.
- What is the collector-emitter saturation voltage of the BDX33C?
The collector-emitter saturation voltage (VCE(sat)) is 2.5 V max. at IC = 3 A.
- In what package is the BDX33C transistor housed?
The BDX33C is housed in a Jedec TO-220 plastic package.
- Is the BDX33C Pb-free?
- What are some common applications of the BDX33C?
Common applications include power linear and switching, general purpose, and low-speed switching, as well as muting, inverter, interface, and driver circuits.
- What is the maximum operating junction temperature of the BDX33C?
The maximum operating junction temperature (Tj) is 150°C.
- What is the storage temperature range for the BDX33C?
The storage temperature range (Tstg) is -65°C to 150°C.
