• BD135 SOT-32-3
BD135 SOT-32-3

BD135

Trans GP BJT NPN 45V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube

Quantity Unit Price(USD) Ext. Price
5000 $0.057 $285.00
2500 $0.060 $150.00
500 $0.066 $33.00
150 $0.073 $10.95
50 $0.083 $4.15
5 $0.103 $0.52

Inventory:7,774

*The price is for reference only.
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Overview of BD135

The BD135 is a NPN silicon epitaxial planar transistor commonly used in audio amplifier and switching applications. This transistor is designed for low power amplifier and driver applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Collector (C): Connected to the positive supply voltage in most applications.
  • Base (B): Controls the transistor's conductivity, acting as the input terminal.
  • Emitter (E): Connected to the ground or negative terminal in most applications.

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BD135 transistor for a visual representation.

Key Features

  • NPN Transistor: The BD135 is an NPN type transistor, allowing current to flow from the collector to the emitter when a small current is applied to the base.
  • High Current Gain: This transistor offers high current gain, making it suitable for amplification applications.
  • Low Saturation Voltage: The BD135 exhibits low saturation voltage, minimizing power loss in switching applications.
  • Low Noise: With low noise characteristics, this transistor is suitable for audio amplifier circuits.
  • High Transition Frequency: The BD135 features a high transition frequency, enabling high-frequency operation in amplifier circuits.

Note: For detailed technical specifications, please refer to the BD135 datasheet.

Application

  • Audio Amplifiers: The BD135 is commonly used in audio amplifier circuits due to its low noise and high gain characteristics.
  • Switching Circuits: This transistor can be used in various switching applications, such as relay drivers and motor control.
  • Power Supplies: The BD135 is suitable for use in voltage regulator circuits and power supply control.

Functionality

The BD135 transistor acts as an amplifying or switching device in electronic circuits. It regulates current flow between its collector and emitter terminals based on the current applied to its base terminal.

Usage Guide

  • Collector Connection: Connect the collector (C) terminal to the positive supply voltage.
  • Base Control: Apply a small current or voltage signal to the base (B) terminal to control the transistor's conductivity.
  • Emitter Connection: Connect the emitter (E) terminal to the ground or negative terminal.

Frequently Asked Questions

Q: What are the typical applications of the BD135 transistor?
A: The BD135 is commonly used in audio amplifier circuits, switching applications, and power supply control.

Q: What is the maximum collector current rating of the BD135?
A: The BD135 transistor typically has a maximum collector current rating of 1.5A.

Equivalent

For similar functionalities, consider these alternatives to the BD135:

  • 2N3904: A general-purpose NPN transistor commonly used in amplification and switching applications.
  • BC548: This is an NPN transistor with similar characteristics to the BD135, suitable for low-power amplifier circuits.
  • 2N2222: A versatile NPN transistor suitable for various electronic applications, including amplification and switching.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer STMicroelectronics Product Category Bipolar Transistors - BJT
RoHS Details Mounting Style Through Hole
Package / Case SOT-32-3 Transistor Polarity NPN
Configuration Single Collector- Emitter Voltage VCEO Max 45 V
Collector- Base Voltage VCBO 45 V Emitter- Base Voltage VEBO 5 V
Collector-Emitter Saturation Voltage 500 mV Maximum DC Collector Current 1.5 A
Pd - Power Dissipation 12.5 W Gain Bandwidth Product fT -
Minimum Operating Temperature - Maximum Operating Temperature + 150 C
Series BD135 Brand STMicroelectronics
Continuous Collector Current 1.5 A DC Collector/Base Gain hfe Min 25
DC Current Gain hFE Max 250 Height 10.8 mm
Length 7.8 mm Product Type BJTs - Bipolar Transistors
Factory Pack Quantity 2000 Subcategory Transistors
Technology Si Width 2.7 mm
Unit Weight 0.002116 oz

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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BD135

Trans GP BJT NPN 45V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube

Inventory:

7,774
Overview of BD135 Specifications Warranty & Returns Similar Products Popular Products

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