Overview
The BD677A is an NPN power Darlington transistor manufactured by STMicroelectronics. It is part of the BD6xxx series of complementary power Darlington transistors. These devices are produced using planar base island technology and feature a monolithic Darlington configuration with an integrated antiparallel collector-emitter diode. This design enhances the transistor's performance in various applications, particularly in linear and switching industrial equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | 60 | V |
| Collector-Emitter Voltage (VCEO) | 60 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (IC) | 4 | A |
| Collector Peak Current (ICM) | 6 | A |
| Base Current (IB) | 0.1 | A |
| Total Dissipation at Tcase = 25°C (PTOT) | 40 | W |
| Storage Temperature (Tstg) | -65 to 150 | °C |
| Maximum Operating Junction Temperature (TJ) | 150 | °C |
| DC Current Gain (hFE) | 750 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 2.5 | V |
| Base-Emitter Voltage (VBE) | 2.5 | V |
Key Features
- Monolithic Darlington configuration with integrated antiparallel collector-emitter diode
- Good hFE linearity
- High fT frequency
- Manufactured in planar base island technology
- Available in ECOPACK® packages, which are lead-free and compliant with environmental standards
Applications
The BD677A is suitable for various applications, including:
- Linear and switching industrial equipment
- Power amplifiers and drivers
- Motor control and power supplies
- Other high-current and high-voltage applications requiring reliable and efficient transistor performance
Q & A
- What is the collector-emitter voltage (VCEO) of the BD677A?
The collector-emitter voltage (VCEO) of the BD677A is 60 V.
- What is the maximum collector current (IC) of the BD677A?
The maximum collector current (IC) of the BD677A is 4 A.
- What is the DC current gain (hFE) of the BD677A?
The DC current gain (hFE) of the BD677A is 750.
- What is the maximum operating junction temperature (TJ) of the BD677A?
The maximum operating junction temperature (TJ) of the BD677A is 150°C.
- What type of package does the BD677A come in?
The BD677A comes in an SOT-32 package and is available in ECOPACK® lead-free packaging.
- What are the typical applications of the BD677A?
The BD677A is typically used in linear and switching industrial equipment, power amplifiers, motor control, and other high-current and high-voltage applications.
- Does the BD677A have an integrated antiparallel collector-emitter diode?
- What is the storage temperature range for the BD677A?
The storage temperature range for the BD677A is -65°C to 150°C.
- Is the BD677A RoHS compliant?
- What is the total dissipation at Tcase = 25°C (PTOT) for the BD677A?
The total dissipation at Tcase = 25°C (PTOT) for the BD677A is 40 W.
