Nexperia USA Inc. MJD44H11AJ
- Part No.:
- MJD44H11AJ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
MJD44H11AJ.pdf
- Description:
- TRANS NPN 80V 8A DPAK
- Quantity:
- Payment:

- Shipping:

Inventory:7,260
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Product details
Overview
MJD44H11AJ from Nexperia USA Inc. is a PNP bipolar transistor with DPAK / power transistor package. It is selected for current gain, switching, or driver work where polarity, gain group, saturation voltage, and package dissipation must line up.
In BOM review, MJD44H11AJ should be matched against load switching, driver stages, signal amplification, industrial control interfaces, plus package marking, lifecycle status, and the electrical details that make this exact orderable part useful.
Technical Context
MJD44H11AJ is a bipolar transistor used for current gain, switching, or small-signal amplification. Base drive, saturation voltage, gain group, and package dissipation determine how it behaves in the circuit.
When MJD44H11AJ is used as a driver, the load current, base resistor, storage time, and thermal rise should be reviewed instead of matching only polarity and package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | PNP bipolar transistor for load switching and driver stages. |
| Technology | general-purpose bipolar transistor technology |
| Voltage Rating / Operating Class | small-signal transistor voltage class |
| Current / Output Class | power transistor current class |
| Package | DPAK / power transistor package |
| Primary Circuit Role | Serves as a BOM-controlled component where electrical rating, footprint, and lifecycle status must remain aligned. |
| Thermal Design Meaning | Derating is important when the part operates near sustained current, high ambient temperature, or repetitive pulses. |
| Assembly Meaning | Incoming inspection should align package marking, orientation, moisture handling, and production traceability. |
| Design Detail | switching and amplification use |
| Design Detail | gain and saturation review |
| Design Detail | thermal and pulse-current limits |
Pinout & Package
MJD44H11AJ uses DPAK / power transistor package. Pin mapping, polarity, or item format should be matched to the exact board, fixture, or procurement requirement before replacement.
| Pin / Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Base / input | Control terminal for transistor conduction. | Receives drive current or bias from the preceding circuit. |
| Collector | Switched or amplified current terminal. | Connects to the load, pull-up path, or signal node being controlled. |
| Emitter | Reference current terminal. | Connects to the return rail or reference side of the transistor stage. |
Key Features
- MJD44H11AJ is identified as a PNP bipolar transistor.
- small-signal transistor voltage class voltage or operating class for the relevant circuit stress.
- power transistor current class current or output class, subject to package and thermal derating.
- DPAK / power transistor package package or item format for procurement and assembly review.
- switching and amplification use
- gain and saturation review
- thermal and pulse-current limits
- Gain, saturation voltage, and transition frequency affect switching and amplifier behavior.
- Bias network and package dissipation must be reviewed together.
Applications
| load switching | driver stages |
|---|---|
|
Use Scenario: load switching where the design needs small-signal transistor voltage class behavior from MJD44H11AJ. Device Role: MJD44H11AJ provides the PNP bipolar transistor function in the local circuit block. Use Value: The part keeps the DPAK / power transistor package footprint and rating profile aligned with the intended board function. |
Use Scenario: driver stages requiring the device family behavior instead of a generic component choice. Device Role: MJD44H11AJ handles the switching, protection, control, memory, or power-path task defined by its category. Use Value: Using the correct family reduces requalification risk around timing, voltage, current, thermal, and package constraints. |
| signal amplification | industrial control interfaces |
|
Use Scenario: signal amplification where operating stress, package size, and sourcing continuity all matter. Device Role: MJD44H11AJ sits in the circuit as a BOM-controlled part rather than a cosmetic ordering code. Use Value: The device-specific rating and package information help engineers avoid unsuitable substitutions during procurement. |
Use Scenario: industrial control interfaces for legacy, current-production, or lifecycle-sensitive assemblies. Device Role: MJD44H11AJ supports the same product-family function when matched to the existing schematic and layout. Use Value: A careful match protects system behavior while giving buyers a traceable sourcing path. |
Equivalent & Alternatives
When evaluating MJD44H11AJ equivalent devices, compare voltage rating or operating class, current or output capability, package and footprint, pin mapping or polarity, thermal behavior, qualification suffix, lifecycle and sourcing status. A similar family name is not enough when the board depends on timing, leakage, firmware, optical output, or protection behavior.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MJD44H11AJ | Base ordering family related to MJD44H11AJ, usually differing by suffix, reel, lead finish, or package code. | May help sourcing discussions but does not remove the need for electrical and mechanical comparison. | Use only after matching ratings, pinout or polarity, package, qualification, and lifecycle status. |
Quality
MJD44H11AJ should be sourced as original Nexperia USA Inc. material through traceable and controlled supply channels. Quality verification may include package inspection, hFE or gain-group review, VCE leakage screening, saturation checks, marking review, and solderability testing, along with incoming inspection suited to PNP bipolar transistor production, repair, or lifecycle procurement.
Availability
MJD44H11AJ is available at Aetrix Electronics and suitable for load switching, driver stages, signal amplification, industrial control interfaces requiring DPAK / power transistor package in a controlled BOM or repair program.
Supply support may include scheduled delivery planning, volume procurement support, BOM continuity assistance, traceable sourcing management, and lifecycle availability coordination for manufacturers, repair teams, contract manufacturers, and engineering buyers managing PNP bipolar transistor demand.
For production deployment, confirming package fit, pin mapping or polarity, electrical rating, temperature margin, lifecycle status, approved manufacturer identity, and sourcing continuity helps reduce qualification risk for MJD44H11AJ.
Manufacturer
Nexperia USA Inc. supplies logic ICs, ESD protection, bipolar transistors, MOSFETs, diodes, rectifiers, and small-signal discrete semiconductors for automotive, industrial, mobile, and consumer electronics. MJD44H11AJ belongs to the Nexperia product area indicated by its family prefix.
FAQ
What is MJD44H11AJ used for?
MJD44H11AJ is used for load switching, driver stages, signal amplification. In those circuits, MJD44H11AJ provides the PNP bipolar transistor function with DPAK / power transistor package. The final selection should match the schematic role, operating stress, package footprint, and sourcing requirements.
What package or format does MJD44H11AJ use?
MJD44H11AJ uses DPAK / power transistor package. This package or item format affects footprint, soldering, thermal behavior, polarity or pin mapping, and incoming inspection. When replacing MJD44H11AJ, the package code should be checked as carefully as the headline electrical rating.
What are the key design checks for MJD44H11AJ?
Key design checks for MJD44H11AJ include voltage margin, current or output load, temperature rise, pinout or polarity, package fit, lifecycle status. These checks help prevent a visually similar part from changing circuit behavior or assembly reliability.
Can MJD44H11AJ be replaced by a similar part?
MJD44H11AJ can be compared with similar family members only after electrical limits, package, orientation, qualification suffix, timing or leakage behavior, and approved-source rules are reviewed. A similar name alone is not enough because MJD44H11AJ may carry package, program, bin, or lifecycle details.
Why source MJD44H11AJ through Aetrix Electronics?
Sourcing MJD44H11AJ through Aetrix Electronics supports traceable procurement, scheduled delivery planning, BOM continuity assistance, and lifecycle availability coordination. This is useful when MJD44H11AJ is needed for production builds, repair lots, controlled alternates, or long-running equipment support.
MJD44H11AJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 8 A
- Voltage - Collector Emitter Breakdown (Max):
- 80 V
- Vce Saturation (Max) @ Ib, Ic:
- 1V @ 400mA, 8A
- Current - Collector Cutoff (Max):
- 1µA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 60 @ 2A, 1V
- Power - Max:
- 1.75 W
- Frequency - Transition:
- 160MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DPAK
MJD44H11AJ FAQ
1.How can I place an order for MJD44H11AJ through Aetrix?
Please submit a Request for Quotation (RFQ) for MJD44H11AJ 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 MJD44H11AJ reliable?
The price and inventory of MJD44H11AJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MJD44H11AJ is usually 5 days.
3.What payment methods are accepted for MJD44H11AJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MJD44H11AJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MJD44H11AJ?
MJD44H11AJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MJD44H11AJ 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 MJD44H11AJ?
For technical support, including MJD44H11AJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MJD44H11AJ requirements.
6.How does Aetrix verify that MJD44H11AJ is sourced from the original manufacturer or authorized distributors?
All MJD44H11AJ 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 MJD44H11AJ meets industry standards.
7.What is the process for return or replacement of MJD44H11AJ?
All MJD44H11AJ units undergo pre-shipment inspection (PSI). If there is an issue with MJD44H11AJ, 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 MJD44H11AJ part is unused and in its original packaging.
Return procedure for MJD44H11AJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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