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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

onsemi NJVMJD42CT4G

Name: NJVMJD42CT4G
Brand: onsemi
SKU: NJVMJD42CT4G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: NJVMJD42CT4G

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: NJVMJD42CT4G.pdf

Description:: TRANS PNP 100V 6A DPAK

Quantity:: RFQ Add To RFQ list

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Product details

Overview

NJVMJD42CT4G from onsemi is a PNP complementary power transistor in DPAK (TO-252) package, rated for 100 V_CEO, 6 A continuous collector current, and 20 W power dissipation at T_C = 25°C, designed for low-speed switching and general-purpose amplifier applications in automotive and industrial power stages.

For engineers reviewing the NJVMJD42CT4G datasheet, pinout, applications, or equivalent options, key selection criteria include V_CEO/I_C rating match, thermal resistance (R_JC = 6.25°C/W), AEC-Q101 qualification status, and DPAK surface-mount compatibility with PCB layout constraints.

Technical Context

This PNP bipolar junction transistor operates in linear amplification and saturated switching modes, with DC current gain (h_FE) ranging from 15 to 75 at I_C = 0.3–3 A and V_CE = 4 V. Its safe operating area (SOA) is defined up to 100 V and 6 A under single-pulse conditions at T_C = 25°C, limited by thermal and second-breakdown boundaries.

It features a maximum V_CE(sat) of 1.5 V at I_C = 6 A and I_B = 600 mA, and V_BE(on) ≤ 2 V under same conditions. The device meets UL 94 V-0 flammability standard and is Pb-free/RoHS compliant, with ESD ratings per HBM Class 3B.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	100 V - Maximum collector-emitter voltage before breakdown under open-base condition; defines upper rail limit in high-side switch or amplifier stage.
I_C (continuous)	6 A - Continuous collector current capability at T_C = 25°C; requires ≥20 mm² copper pad for full 20 W dissipation.
P_D @ T_C = 25°C	20 W - Total power dissipation limit when case temperature is maintained at 25°C; derates 0.16 W/°C above that point.
R_JC	6.25 °C/W - Junction-to-case thermal resistance; determines minimum heatsink requirement for given ΔT between junction and case.
h_FE	15–75 - DC current gain range across I_C = 0.3–3 A; impacts base drive sizing and saturation margin in switching designs.
V_CE(sat)	≤1.5 V - Collector-emitter saturation voltage at I_C = 6 A / I_B = 600 mA; directly affects conduction loss and thermal load in on-state operation.
AEC-Q101	Qualified - Meets stress test requirements for automotive-grade reliability; supports PPAP documentation for OEM programs.

Pinout & Package

DPAK-3 (Case 369C, 6.10 × 6.54 × 2.28 mm) surface-mount package with exposed collector tab (pins 2 and 4 electrically common) for thermal and electrical connection to PCB copper pour.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal; requires current-limited drive (max I_B = 2 A) to achieve full saturation at 6 A collector load.
2 & 4	Collector	Common collector terminals; electrically tied internally; must be connected to largest possible copper area for heat spreading.
3	Emitter	Current return path; typically tied to system ground or negative rail; carries full load current and influences loop inductance in switching layouts.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive under-hood applications including engine control modules and body electronics requiring extended temperature and life-cycle reliability.
DPAK surface-mount package	Enables automated assembly and high thermal performance via direct PCB copper interface; eliminates through-hole mounting and reduces board space vs. TO-220.
V_CEO = 100 V, I_C = 6 A	Supports 24 V and 48 V industrial bus systems with safety margin; suitable for relay drivers, motor commutation, and DC-DC converter output stages.
UL 94 V-0 epoxy	Ensures flame-retardant housing integrity during overtemperature fault events; required for compliance in transportation and building automation equipment.
Pb-free / RoHS compliant	Meets global environmental regulations for commercial and automotive production; compatible with lead-free reflow profiles (peak ≤ 260°C).

Applications

Automotive Engine Control Unit (ECU)	Industrial DC Motor Driver
Use Scenario: Driving solenoid valves and fuel injectors in 12 V/24 V engine management systems. IC Role / Device Role / Timing Role: High-current PNP switch controlling grounded loads with fast turn-off and robust SOA. Use Value: 100 V rating accommodates load dump transients up to 40 V; AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime.	Use Scenario: Low-side current sinking in brushed DC motor H-bridge outputs for factory automation actuators. IC Role / Device Role / Timing Role: Complementary PNP switch paired with NPN MJD41C for bidirectional control and braking. Use Value: 6 A continuous current supports motors up to 150 W; DPAK thermal performance enables compact heatsinkless design at <50% duty cycle.
Uninterruptible Power Supply (UPS) Transfer Switch	Programmable Logic Controller (PLC) Output Module
Use Scenario: AC line-synchronized transfer switching between utility and battery inverters in 120/230 V UPS systems. IC Role / Device Role / Timing Role: High-voltage PNP switch enabling galvanically isolated control of back-to-back MOSFET gates or relay coils. Use Value: 100 V V_CEO withstands peak rectified AC voltages; 20 W power rating allows brief surge handling during switchover transients.	Use Scenario: Isolated digital output stage driving 24 V DC field devices (sensors, indicators, small solenoids) in industrial control cabinets. IC Role / Device Role / Timing Role: Discrete PNP output transistor providing sink capability with configurable current limiting via external base resistor. Use Value: 6 A rating supports multiple parallel outputs; R_JC = 6.25°C/W enables stable operation without dedicated heatsinks in convection-cooled enclosures.

Automotive Engine Control Unit (ECU)

Industrial DC Motor Driver

Use Scenario: Driving solenoid valves and fuel injectors in 12 V/24 V engine management systems.

IC Role / Device Role / Timing Role: High-current PNP switch controlling grounded loads with fast turn-off and robust SOA.

Use Value: 100 V rating accommodates load dump transients up to 40 V; AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime.

Use Scenario: Low-side current sinking in brushed DC motor H-bridge outputs for factory automation actuators.

IC Role / Device Role / Timing Role: Complementary PNP switch paired with NPN MJD41C for bidirectional control and braking.

Use Value: 6 A continuous current supports motors up to 150 W; DPAK thermal performance enables compact heatsinkless design at <50% duty cycle.

Uninterruptible Power Supply (UPS) Transfer Switch

Programmable Logic Controller (PLC) Output Module

Use Scenario: AC line-synchronized transfer switching between utility and battery inverters in 120/230 V UPS systems.

IC Role / Device Role / Timing Role: High-voltage PNP switch enabling galvanically isolated control of back-to-back MOSFET gates or relay coils.

Use Value: 100 V V_CEO withstands peak rectified AC voltages; 20 W power rating allows brief surge handling during switchover transients.

Use Scenario: Isolated digital output stage driving 24 V DC field devices (sensors, indicators, small solenoids) in industrial control cabinets.

IC Role / Device Role / Timing Role: Discrete PNP output transistor providing sink capability with configurable current limiting via external base resistor.

Use Value: 6 A rating supports multiple parallel outputs; R_JC = 6.25°C/W enables stable operation without dedicated heatsinks in convection-cooled enclosures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP power transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MJD42CT4G	No NJV prefix; not AEC-Q101 qualified; identical electrical specs and DPAK package.	Not approved for automotive production; suitable for industrial/commercial use where PPAP is not required.	Select when automotive qualification is unnecessary and cost sensitivity favors non-NJV variant.
MBT3906DW1T1G	Small-signal PNP (200 mA I_C, 40 V V_CEO); SOT-363 package; not power-rated.	Only appropriate for signal-level logic inversion or biasing-not for load switching above 100 mA.	Reject for any application requiring >500 mA load current or >60 V blocking; use only in pre-driver or level-shifting roles.

Compared with MJD42CT4G, NJVMJD42CT4G adds AEC-Q101 qualification and PPAP support without electrical trade-offs; versus MBT3906DW1T1G, it delivers 30× higher current and 2.5× higher voltage capability in a thermally optimized DPAK package-making it the sole viable option for automotive and industrial power switching.

Availability

NJVMJD42CT4G is available at Aetrix Electronics and suitable for automotive engine control units, industrial motor drivers, and uninterruptible power supply transfer switches requiring stable component supply and long-term lifecycle assurance.

Supply support for NJVMJD42CT4G includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and consumer markets.

The MJD41C/MJD42C family was developed as a surface-mount replacement for legacy TIP41/TIP42 through-hole power transistors, targeting cost-sensitive yet thermally demanding amplifier and switching applications in automotive and industrial systems.

FAQ

What is the maximum continuous collector current rating for NJVMJD42CT4G?

The NJVMJD42CT4G is rated for 6 A continuous collector current (I_C) at case temperature T_C = 25°C. This rating assumes proper PCB copper area (minimum pad size per datasheet) and derates linearly by 0.16 W/°C above 25°C. At T_C = 100°C, usable I_C drops to approximately 3.5 A based on thermal limits.

Is NJVMJD42CT4G pin-compatible with NJVMJD41CT4G?

Yes, NJVMJD42CT4G and NJVMJD41CT4G share identical DPAK-3 (Case 369C) packaging and pinout: Pin 1 = Base, Pins 2 & 4 = Collector, Pin 3 = Emitter. However, NJVMJD42CT4G is PNP while NJVMJD41CT4G is NPN - they are complementary but not functionally interchangeable without circuit redesign.

Does NJVMJD42CT4G require a heatsink in typical applications?

NJVMJD42CT4G can operate without an external heatsink when dissipating ≤1.75 W at ambient temperature (T_A = 25°C), per its 1.75 W rating at T_A. For higher power levels (e.g., 10 W), a PCB copper pour ≥200 mm² plus optional heatsink is required to maintain junction temperature below 150°C, leveraging its R_JC = 6.25°C/W and R_JA = 71.4°C/W characteristics.

What does the "NJV" prefix signify in NJVMJD42CT4G?

The "NJV" prefix in NJVMJD42CT4G indicates automotive-grade manufacturing with unique site and process control requirements. It confirms AEC-Q101 qualification, PPAP capability, and enhanced traceability - distinguishing it from standard MJD42CT4G for use in automotive production programs where reliability and audit readiness are mandatory.

Can NJVMJD42CT4G replace TIP42C in existing designs?

Yes, NJVMJD42CT4G is electrically similar to TIP42C (100 V V_CEO, 6 A I_C, 65 W P_D) but in surface-mount DPAK instead of through-hole TO-220. While electrical parameters align closely, the package change requires PCB layout revision. Thermal performance differs: NJVMJD42CT4G offers lower R_JC (6.25°C/W vs. ~3°C/W for TIP42C with heatsink) but relies on PCB copper rather than mechanical heatsink attachment.

NJVMJD42CT4G Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 6 A

Voltage - Collector Emitter Breakdown (Max):: 100 V

Vce Saturation (Max) @ Ib, Ic:: 1.5V @ 600mA, 6A

Current - Collector Cutoff (Max):: 50µA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 30 @ 300mA, 4V

Power - Max:: 1.75 W

Frequency - Transition:: 3MHz

Operating Temperature:: -65°C ~ 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: DPAK

NJVMJD42CT4G FAQ

1.How can I place an order for NJVMJD42CT4G through Aetrix?

Please submit a Request for Quotation (RFQ) for NJVMJD42CT4G on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for NJVMJD42CT4G reliable?

The price and inventory of NJVMJD42CT4G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NJVMJD42CT4G is usually 5 days.

3.What payment methods are accepted for NJVMJD42CT4G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NJVMJD42CT4G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for NJVMJD42CT4G?

NJVMJD42CT4G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your NJVMJD42CT4G order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for NJVMJD42CT4G?

For technical support, including NJVMJD42CT4G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NJVMJD42CT4G requirements.

6.How does Aetrix verify that NJVMJD42CT4G is sourced from the original manufacturer or authorized distributors?

All NJVMJD42CT4G products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NJVMJD42CT4G meets industry standards.

7.What is the process for return or replacement of NJVMJD42CT4G?

All NJVMJD42CT4G units undergo pre-shipment inspection (PSI). If there is an issue with NJVMJD42CT4G, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The NJVMJD42CT4G part is unused and in its original packaging.

Return procedure for NJVMJD42CT4G:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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