BD911

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BD911

+Nomenclature

TRANS NPN 100V 15A TO220

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Active
TransistorType NPN
Current-Collector(Ic)(Max) 15 A
Voltage-CollectorEmitterBreakdown(Max) 100 V
VceSaturation(Max)@IbIc 3V @ 2.5A, 10A
Current-CollectorCutoff(Max) 1mA
DCCurrentGain(hFE)(Min)@IcVce 15 @ 5A, 4V
Power-Max 90 W
Frequency-Transition 3MHz
OperatingTemperature 150°C (TJ)
MountingType Through Hole
Package/Case TO-220-3

Présentation

Description

The BD911 is a general-purpose PNP bipolar junction transistor (BJT) commonly used for amplification and switching applications. Key features include:
- Type: PNP transistor
- Voltage Ratings: Collector-Emitter (VCE) up to -60V, Collector-Base (VCB) up to -60V
- Current Ratings: Collector current (IC) up to -5A, peak current up to -10A
- Power Dissipation: 40W (with proper heat sinking)
- Gain (hFE): Typically 20-70
Applications:
- Power amplification
- Motor control
- Relay driving
- General-purpose switching
Package: TO-220 (for easy mounting on heat sinks).
Complementary NPN Pair: BD911 is often paired with the BD912 (NPN) for push-pull configurations.
Note: Always refer to the datasheet for exact specifications and ensure proper heat management in high-current applications.

Equivalent

The BD911 chip equivalents include:
- TIP35C (NPN, 100V, 25A)
- 2N3055 (NPN, 60V, 15A)
- MJ15003 (NPN, 140V, 20A)
- BDW93C (NPN, 100V, 12A)
These are general-purpose power transistors with similar voltage/current ratings. Verify pinout and specs before substitution.

Features

The BD911 is a robust PNP power transistor designed for high-power applications. Key features include:
- High Current Capacity: Handles up to 12A continuous collector current.
- Voltage Rating: Supports 100V collector-emitter voltage (VCEO).
- Power Dissipation: Up to 65W, suitable for demanding circuits.
- Low Saturation Voltage: Ensures efficient switching and reduced power loss.
- Complementary Pair: Often paired with NPN transistor BD912 for push-pull configurations.
- Applications: Used in power amplifiers, motor drivers, and voltage regulators.
Encased in a TO-220 package, it offers easy mounting and heat dissipation. Ideal for medium-power linear and switching applications.

Manufacturer

The BD911 is a power MOSFET transistor manufactured by ROHM Semiconductor, a Japanese company specializing in semiconductors and electronic components. Founded in 1958, ROHM is known for producing high-quality ICs, discrete semiconductors, and passive components for industries like automotive, industrial, and consumer electronics. The BD911 is commonly used in power amplification and switching applications. ROHM emphasizes innovation, reliability, and energy efficiency in its products.

Application

The BD911 is a versatile NPN power transistor commonly used in:
1. Power Amplification – Audio and RF amplifiers.
2. Switching Circuits – Motor control, relay drivers, and power regulators.
3. Power Supplies – Voltage regulation and DC-DC converters.
4. Automotive Electronics – Ignition systems and lighting controls.
5. Industrial Equipment – High-current switching applications.
Its high current (15A) and voltage (100V) handling make it suitable for robust electronic designs.

Package

The BD911 is available in a TO-220 package, a common through-hole mounting type with good thermal dissipation. It has three leads and is suitable for power applications. Some variants may also come in TO-220FP (fully insulated) or TO-3P packages for enhanced isolation or higher power handling. Check datasheets for specific options.

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