MJE13005 Pinout, Equivalent Application Datasheet

The MJE13005 is a high-voltage NPN power transistor commonly used in SMPS and inverter designs. This article explains the MJE13005 pinout, specifications, working principle, applications, and suitable alternatives in a clear 9-section format.

Introduction

The MJE13005 is an NPN bipolar junction transistor designed for high-voltage and high-current switching applications. It is widely adopted in switch-mode power supplies due to its robustness, good thermal performance, and ability to handle demanding power conditions.

MJE13005 Pinout

Understanding the MJE13005 Pinout Configuration

The MJE13005 is housed in a TO-220 package with a B-C-E pin configuration:

Correct identification of the MJE13005 pinout is essential for safe and efficient circuit operation.

MJE13005 Key Features

• High-voltage NPN power transistor
• Designed for SMPS and inverter circuits
• Good switching performance at high frequencies
• High current handling capability
• Reliable thermal stability
• TO-220 package for easy heat-sink mounting

MJE13005 Characteristics / Specifications

• Collector-Emitter Voltage (VCE): 400V
• Collector-Base Voltage (VCB): 700V
• Emitter-Base Voltage (VEB): 9V
• Continuous Collector Current (IC): 4A
• Peak Collector Current (ICP): 8A
• Power Dissipation (PD): 75W
• Junction Temperature (Tj): 150 °C
• Storage Temperature (Tstg): −65 °C to +150 °C
• Package Type: TO-220
• Pin Configuration: Base – Collector – Emitter

More Circuit Layouts

Key Applications of MJE13005 NPN Power Transistor

• Switch Mode Power Supplies (SMPS)
• Inverters and UPS systems
• Flyback and forward converters
• Power adapters and chargers
• High-voltage switching circuits

Equivalent of MJE13005 NPN Power Transistor

Equivalent Transistors:

• MJE13003
• MJE13007

Alternative Transistors:

• 2SC2625
• BU508
• 2SC3320

Working Principle of MJE13005

The MJE13005 operates by controlling a large collector-emitter current with a small base current. When forward-biased, it switches rapidly between ON and OFF states, making it suitable for high-voltage switching and power conversion circuits.

Frequently Asked Questions (FAQ)

Q1: Is MJE13005 better than MJE13003?
Yes, MJE13005 supports higher collector current and power dissipation.

Q2: Can MJE13005 be used in SMPS designs?
Yes, it is commonly used in medium-power SMPS circuits.

Q3: Does MJE13005 require a heat sink?
Yes, a heat sink is strongly recommended for high-power operation.

Q4: What is the package type of MJE13005?
It uses a TO-220 package.

Conclusion

The MJE13005 NPN transistor is a reliable solution for high-voltage and medium-to-high current power applications. With its clear B-C-E pinout, strong electrical ratings, and TO-220 package, it is well suited for SMPS, inverter, and power conversion circuits.

Datasheet of MJE13005 NPN Power Transistor

Click the following Button to download the datasheet of MJE13005 Transistor :

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