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See Technical Specifications

BU931T +BOM

TO-220 Darlington Transistors ROHS

Manufacturer:

Stmicroelectronics
Mfr.Part #:

BU931T
Datasheet:

BU931T Datasheet (PDF)
Series: BU931T
Configuration:

Single
Transistor Polarity:

NPN
Collector- Emitter Voltage VCEO Max:

400 V
EDA/CAD Models:

Request Free CAD Models for BU931T

BU931T Information

Description

The BU931T is an automotive-grade high voltage ignition coil driver NPN power Darlington transistor from STMicroelectronics. It's designed for use in automotive applications, specifically for driving high-voltage ignition coils. The TO-220AB-3 package provides a compact and reliable solution. This device features a high current handling capability, making it suitable for demanding automotive applications where high voltage and current are required. Its Darlington configuration allows for low input current and high output current, while its NPN structure enables easy integration with other components in the circuit. The BU931T is an essential component in modern vehicle ignition systems, providing reliable and efficient operation even in harsh environments.

Package

According to the product information, the package type of BU931T is TO-220AB-3.

Pinout

According to STMicroelectronics' datasheet, the BU931T has a TO-220AB-3 package with 3 pins.

Pin 1 (Base): Input terminal for control signals
Pin 2 (Collector): High-voltage terminal for driving ignition coils
Pin 3 (Emmiter): Low-voltage terminal for power input

The BU931T is designed as a NPN power Darlington transistor, suitable for automotive-grade applications where high voltage and current are required. Its primary function is to drive ignition coils in internal combustion engines, providing reliable and efficient engine sparking.

Manufacturer

The manufacturer of the BU931T is STMicroelectronics, which is a semiconductor manufacturing company that specializes in designing, developing, producing, and marketing semiconductors, memory devices, and related products. They are a well-known global leader in the field of microelectronics.

Applications

The BU931T is an automotive-grade high voltage ignition coil driver, making it suitable for applications such as:

Ignition systems in vehicles
Automotive electronics
High-voltage switching circuits

Its NPN power Darlington transistor design provides high current gain and low saturation voltage, making it well-suited for demanding automotive applications.

Equivalent

Based on STMicroelectronics' product portfolio, a possible equivalent to the BU931T is the BDY83C. This NPN power Darlington transistor also has an automotive-grade high voltage ignition coil driver application and shares similar characteristics with the BU931T. However, please note that this information is based on publicly available data and may not be exhaustive or up-to-date.

Specifications

Product Category	Darlington Transistors	Configuration	Single
Transistor Polarity	NPN	Collector- Emitter Voltage VCEO Max	400 V
Emitter- Base Voltage VEBO	5 V	Maximum DC Collector Current	10 A
Maximum Collector Cut-off Current	100 uA	Pd - Power Dissipation	125 W
Mounting Style	Through Hole	Minimum Operating Temperature	- 65 C
Maximum Operating Temperature	+ 175 C	Qualification	AEC-Q101
DC Collector/Base Gain hfe Min	300 at 5 A, 10 V	Product Type	Darlington Transistors
Factory Pack Quantity	1000	Subcategory	Transistors
Unit Weight	0.211644 oz	Package/Case	TO-220-3