MJD44H11T4

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MJD44H11T4

+Nomenclature

TRANS PWR NPN 8A 80V DPAK

  • FabricantSemi - conducteurs

  • Pièce fabricant #MJD44H11T4

  • Package TO-252-3

  • En stock5571

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Spécifications

Attribut Valeur
Package Cut Tape (CT),Bulk
ProductStatus Obsolete
TransistorType NPN
Current-Collector(Ic)(Max) 8 A
Voltage-CollectorEmitterBreakdown(Max) 80 V
VceSaturation(Max)@IbIc 1V @ 400mA, 8A
Current-CollectorCutoff(Max) 1µA
DCCurrentGain(hFE)(Min)@IcVce 60 @ 2A, 1V
Power-Max 20 W
Frequency-Transition 85MHz
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Présentation

Features

The MJD44H11T4 is an NPN Darlington transistor with the following key features:
- High Current Gain (hFE): Typically 1000, ideal for low-drive applications.
- High Collector Current (IC): Up to 8A continuous.
- Voltage Rating (VCEO): 80V, suitable for medium-power switching.
- Low Saturation Voltage (VCE(sat)): ~1.5V at 4A, reducing power loss.
- Power Dissipation (PD): 50W (with heatsink).
- Package: TO-252 (DPAK), compact and surface-mountable.
Commonly used in motor control, relays, and power switching due to its high efficiency and robust performance.

Pinout

The MJD44H11T4 is a PNP Darlington transistor in a TO-252 (DPAK) package with 3 pins:
1. Base (B) – Controls the transistor’s switching/amplification.
2. Collector (C) – Connects to the load; handles high current (up to 8A).
3. Emitter (E) – Output; typically grounded in common-emitter configurations.
Key Features:
- High current gain (Darlington pair).
- Low saturation voltage for efficient switching.
- VCEO of -80V, suitable for medium-power applications like motor drivers or relays.
Pinout (left to right, tab facing up): 1-Base, 2-Collector, 3-Emitter.

Manufacturer

The MJD44H11T4 is a power transistor manufactured by ON Semiconductor (now known as onsemi after rebranding in 2021).
onsemi is a global semiconductor company specializing in energy-efficient technologies, including power management, analog, and sensor solutions. They serve industries like automotive, industrial, and consumer electronics, focusing on innovation and sustainability.
The MJD44H11T4 is part of their power transistor lineup, designed for high-current applications.

Application

The MJD44H11T4 is a power transistor commonly used in:
- Switching applications: Power supplies, motor drivers, and DC-DC converters.
- Amplification: Audio and RF amplification circuits.
- Automotive systems: Electronic control units (ECUs), lighting, and ignition systems.
- Industrial equipment: Relays, solenoids, and high-current switching.
- Consumer electronics: Power management in appliances and devices.
Its high current (8A) and voltage (80V) ratings make it suitable for medium-power applications requiring efficient switching or amplification.

Package

The MJD44H11T4 is a power transistor in a TO-252-3 (DPAK) surface-mount package. It features three pins and a compact design, suitable for high-power applications. The package includes a thermal pad for efficient heat dissipation. Commonly used in switching and amplification circuits, it balances performance and space efficiency.

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