Overview
The MJE340STU is a plastic medium-power NPN silicon transistor manufactured by onsemi. This device is designed for high-voltage general-purpose applications and is particularly suitable for transformerless, line-operated equipment. It is part of the MJE340 series, known for its high power dissipation rating and reliability. The MJE340STU is also Pb-free and RoHS compliant, making it environmentally friendly.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 300 | Vdc |
| Emitter-Base Voltage | VEB | 3.0 | Vdc |
| Collector Current - Continuous | IC | 500 | mAdc |
| Total Power Dissipation @ TC = 25°C | PD | 20 | W |
| Operating and Storage Junction Temperature Range | TJ, Tstg | –65 to +150 | °C |
| Thermal Resistance, Junction-to-Case | θJC | 6.25 | °C/W |
| Collector-Emitter Breakdown Voltage | BVCEO | 300 | Vdc (IC = 1mA, IB = 0) |
| Collector Cutoff Current | ICBO | 100 | µAdc (VCB = 300Vdc, IE = 0) |
| Emitter Cutoff Current | IEBO | 100 | µAdc (VEB = 3.0Vdc, IC = 0) |
| DC Current Gain | hFE | 30 - 240 | (VCE = 10Vdc, IC = 50mA) |
Key Features
- Suitable for high-voltage general-purpose applications.
- High power dissipation rating for high reliability.
- Pb-free and RoHS compliant.
- Complementary to MJE350.
- High collector-emitter breakdown voltage.
- Suitable for transformerless, line-operated equipment.
Applications
The MJE340STU is versatile and can be used in various high-voltage applications, including:
- Transformerless, line-operated equipment.
- General-purpose switching and amplification circuits.
- High-reliability power management systems.
- Industrial control systems.
- Automotive and consumer electronics where high voltage handling is required.
Q & A
- What is the maximum collector-emitter voltage of the MJE340STU?
The maximum collector-emitter voltage (VCEO) is 300 Vdc.
- What is the continuous collector current rating of the MJE340STU?
The continuous collector current (IC) is 500 mAdc.
- What is the total power dissipation of the MJE340STU at 25°C?
The total power dissipation (PD) at TC = 25°C is 20 W.
- What is the thermal resistance, junction-to-case, of the MJE340STU?
The thermal resistance, junction-to-case (θJC), is 6.25 °C/W.
- Is the MJE340STU Pb-free and RoHS compliant?
Yes, the MJE340STU is Pb-free and RoHS compliant.
- What is the DC current gain range of the MJE340STU?
The DC current gain (hFE) ranges from 30 to 240 at VCE = 10 Vdc and IC = 50 mA.
- What are the operating and storage temperature ranges for the MJE340STU?
The operating and storage junction temperature range is –65 to +150 °C.
- What type of package does the MJE340STU come in?
The MJE340STU comes in a TO-126 package.
- Is the MJE340STU suitable for life support systems or medical devices?
No, the MJE340STU is not authorized for use as a critical component in life support systems or medical devices without express written approval from onsemi.
- What are some typical applications of the MJE340STU?
Typical applications include transformerless, line-operated equipment, general-purpose switching and amplification circuits, and high-reliability power management systems.
