MJE340STU
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onsemi MJE340STU

Manufacturer No:
MJE340STU
Manufacturer:
onsemi
Package:
Bulk
Description:
TRANS NPN 300V 0.5A TO126-3
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

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

  1. What is the maximum collector-emitter voltage of the MJE340STU?

    The maximum collector-emitter voltage (VCEO) is 300 Vdc.

  2. What is the continuous collector current rating of the MJE340STU?

    The continuous collector current (IC) is 500 mAdc.

  3. What is the total power dissipation of the MJE340STU at 25°C?

    The total power dissipation (PD) at TC = 25°C is 20 W.

  4. What is the thermal resistance, junction-to-case, of the MJE340STU?

    The thermal resistance, junction-to-case (θJC), is 6.25 °C/W.

  5. Is the MJE340STU Pb-free and RoHS compliant?

    Yes, the MJE340STU is Pb-free and RoHS compliant.

  6. 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.

  7. What are the operating and storage temperature ranges for the MJE340STU?

    The operating and storage junction temperature range is –65 to +150 °C.

  8. What type of package does the MJE340STU come in?

    The MJE340STU comes in a TO-126 package.

  9. 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.

  10. 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.

Product Attributes

Transistor Type:NPN
Current - Collector (Ic) (Max):500 mA
Voltage - Collector Emitter Breakdown (Max):300 V
Vce Saturation (Max) @ Ib, Ic:- 
Current - Collector Cutoff (Max):100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:30 @ 50mA, 10V
Power - Max:20 W
Frequency - Transition:- 
Operating Temperature:150°C (TJ)
Mounting Type:Through Hole
Package / Case:TO-225AA, TO-126-3
Supplier Device Package:TO-126-3
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Similar Products

Part Number MJE340STU MJE350STU
Manufacturer onsemi onsemi
Product Status Active Obsolete
Transistor Type NPN PNP
Current - Collector (Ic) (Max) 500 mA 500 mA
Voltage - Collector Emitter Breakdown (Max) 300 V 300 V
Vce Saturation (Max) @ Ib, Ic - -
Current - Collector Cutoff (Max) 100µA (ICBO) 100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce 30 @ 50mA, 10V 30 @ 50mA, 10V
Power - Max 20 W 20 W
Frequency - Transition - -
Operating Temperature 150°C (TJ) 150°C (TJ)
Mounting Type Through Hole Through Hole
Package / Case TO-225AA, TO-126-3 TO-225AA, TO-126-3
Supplier Device Package TO-126-3 TO-126-3

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