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onsemi NJVMJK44H11TWG
- Part No.:
- NJVMJK44H11TWG
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- SOT-1023, 4-LFPAK
- Datasheet:
-
NJVMJK44H11TWG.pdf
- Description:
- TRANS NPN 80V 8A LFPAK4
- Quantity:
- Payment:
- Shipping:
Inventory:8,933
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Product details
Overview
NJVMJK44H11TWG from onsemi is a general-purpose NPN power transistor rated for 80 V VCEO, 8 A continuous collector current, and 20 W power dissipation at TA = 25°C in LFPAK4 (5 × 6 mm) package. It operates with VCE(sat) ≤ 1.0 V at IC = 8 A / IB = 0.4 A and supports automotive applications including air bag deployment and power train control units.
For engineers reviewing the NJVMJK44H11TWG datasheet, pinout, applications, or equivalent options, key selection factors include its AEC−Q101 qualification, LFPAK4 thermal performance (RθJA = 70°C/W), 85 MHz fT, and complementary pairing with NJVMJK45H11 for push-pull designs.
Technical Context
This NPN bipolar junction transistor is optimized for medium-power switching and linear amplification in automotive and industrial systems. Its LFPAK4 package delivers low RθJC = 6°C/W and enables high-current operation up to 16 A peak without secondary heatsinking when surface-mounted on FR4 with 1 in², 2 oz. Cu pad.
The device exhibits hFE ≥ 60 at IC = 2 A and ≥ 40 at IC = 4 A under VCE = 1 V, supporting stable DC gain across load ranges. Ccb = 45 pF at VCB = 10 V enables predictable switching behavior in PWM-based converters and motor drivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - Maximum sustainable collector-emitter voltage before breakdown; defines safe operating range in 24–48 V automotive systems. |
| IC (continuous) | 8 A - Continuous collector current rating; supports solenoid drivers and DC-DC converter primary switches without forced cooling. |
| VCE(sat) | ≤ 1.0 V @ IC=8 A/IB=0.4 A - Low saturation voltage minimizes conduction loss and thermal stress in high-duty-cycle switching. |
| fT | 85 MHz - Gain-bandwidth product enabling stable operation up to ~10 MHz switching frequencies in Class AB amplifiers or SMPS controllers. |
| RθJA | 70°C/W - Thermal resistance from junction to ambient on standard FR4; determines required board copper area for thermal management. |
| hFE | 60 min @ IC=2 A - Sufficient DC current gain to drive with low-base-current microcontrollers or gate drivers in discrete H-bridge stages. |
| AEC−Q101 | Qualified - Meets automotive reliability stress test requirements for temperature cycling, HTRB, and ESD; approved for PPAP submission. |
Pinout & Package
Package: LFPAK4 (Case 760AB), 5 mm × 6 mm surface-mount package with exposed drain pad for enhanced thermal conduction. Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector (tab), Pin 4 = Emitter (second connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Emitter | Primary emitter connection; low-inductance path for return current in high-speed switching. |
| Pin 2 | Base | Control terminal requiring ~0.4 A base drive for full saturation at 8 A collector current. |
| Pin 3 (Tab) | Collector | Internally connected to metal tab; must be electrically isolated and thermally coupled to PCB ground plane or heatsink. |
| Pin 4 | Emitter | Secondary emitter bond; reduces package inductance and improves current sharing in parallel configurations. |
Key Features
| Feature | Design Value |
|---|---|
| AEC−Q101 qualified | Validated for automotive use per stress test requirements; supports PPAP documentation for Tier-1 OEM programs. |
| LFPAK4 thermal performance | RθJC = 6°C/W enables >15 W dissipation with minimal board-level heatsinking in space-constrained ECUs. |
| Complementary NPN pairing | Designed to pair with NJVMJK45H11 for balanced push-pull output stages in instrument cluster backlight drivers. |
| Pb-free, halogen-free | RoHS-compliant construction with no BFRs; meets automotive ELV Directive and JIG-101A material restrictions. |
Applications
| Automotive Air Bag Deployment | Engine Control Unit (ECU) Injector Driver |
|---|---|
Use Scenario: High-reliability triggering of pyrotechnic squibs during crash events. IC Role / Device Role / Timing Role: NPN power switch controlling 12 V/5 A squib load with <100 µs turn-on time. Use Value: AEC−Q101 qualification ensures functional safety compliance; low VCE(sat) limits energy dissipation during short-duration firing pulses. | Use Scenario: Driving fuel injector solenoids in gasoline direct injection systems. IC Role / Device Role / Timing Role: Medium-current saturated switch delivering precise 1–5 ms pulse widths at 12 V supply. Use Value: Stable hFE across temperature ensures consistent current delivery; LFPAK4 package withstands under-hood thermal cycling. |
| Instrument Cluster Backlight Inverter | Industrial DC Motor Starter |
Use Scenario: Push-pull stage in CCFL or LED backlight inverter for digital dashboards. IC Role / Device Role / Timing Role: Complementary NPN half-bridge switch operating at 20–50 kHz with fast turn-off. Use Value: 85 MHz fT supports clean square-wave generation; dual emitter pins reduce switching ringing in high-dV/dt environments. | Use Scenario: Soft-start circuit for 24 V brushed DC motors in factory automation actuators. IC Role / Device Role / Timing Role: Linear-mode current limiter during motor stall conditions up to 8 A. Use Value: 20 W power rating and 150°C TJ(max) allow sustained operation during startup surges without thermal shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NJVMJK45H11TWG | Complementary PNP device; same LFPAK4 package, VCEO = 80 V, IC = 8 A, but opposite polarity and lower hFE (min 40). | Required only in complementary push-pull or H-bridge topologies-not a drop-in replacement. | Select when building symmetrical output stages where matched thermal and electrical characteristics between NPN/PNP are critical. |
| STN83003 | Different package (TO-220FP); higher VCEO = 100 V, lower fT = 30 MHz, no AEC−Q101 qualification. | Suitable for industrial non-automotive power switching where qualification is not mandated. | Choose for cost-sensitive non-automotive applications needing higher voltage margin but accepting larger footprint and reduced switching speed. |
Compared with NJVMJK44H11TWG, NJVMJK45H11TWG provides matched complementary operation in compact LFPAK4, while STN83003 offers higher voltage headroom in legacy TO-220FP at the expense of automotive qualification and bandwidth.
Availability
NJVMJK44H11TWG is available at Aetrix Electronics and suitable for automotive air bag modules, engine control units, and instrument cluster backlight inverters requiring stable component supply with AEC−Q101 traceability and LFPAK4 thermal performance.
Supply support for NJVMJK44H11TWG 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MJK44H11 family is part of onsemi's automotive-qualified discrete power portfolio, designed specifically for high-reliability switching in safety-critical vehicle subsystems such as occupant protection and powertrain control.
FAQ
What is the maximum junction temperature rating for NJVMJK44H11TWG?
The NJVMJK44H11TWG has a specified junction and storage temperature range of −65°C to +150°C. This allows operation in under-hood automotive environments where ambient temperatures may exceed 125°C, provided thermal design maintains TJ ≤ 150°C using the device's RθJA = 70°C/W and RθJC = 6°C/W characteristics. Derating curves in Figure 8 confirm usable power at elevated ambient conditions.
Is NJVMJK44H11TWG pin-compatible with standard TO-220 or DPAK transistors?
No, NJVMJK44H11TWG uses the LFPAK4 (Case 760AB) package, which is physically and electrically distinct from TO-220 or DPAK footprints. Its 4-pin layout-two emitter connections, one base, and one collector tab-requires dedicated PCB layout. Migration from legacy packages necessitates board redesign and thermal validation due to differing thermal paths and parasitic inductance.
Does NJVMJK44H11TWG require a heatsink in typical automotive applications?
In most automotive applications drawing ≤8 A continuous current, NJVMJK44H11TWG does not require an external heatsink when mounted on FR4 with ≥1 in² of 2 oz. copper. Its RθJA = 70°C/W and 20 W PD rating enable self-cooled operation at TA ≤ 75°C. However, high-duty-cycle or ambient >85°C environments benefit from additional copper pour or localized thermal vias to the internal ground plane.
What is the meaning of the "NJVM" prefix in NJVMJK44H11TWG?
"NJVM" denotes a specific onsemi manufacturing and control lineage: "NJ" indicates New Jersey fab origin, "V" signifies automotive-grade process control, and "M" confirms PPAP-capable production with unique site and change management protocols. This prefix distinguishes NJVMJK44H11TWG from commercial-grade MJK44H11 variants and ensures full AEC−Q101 compliance and traceability for OEM automotive programs.
Can NJVMJK44H11TWG be used in linear amplifier applications?
Yes, NJVMJK44H11TWG supports linear operation with verified DC current gain (hFE ≥ 60 at IC = 2 A) and low VCE(sat). Its fT = 85 MHz and Ccb = 45 pF allow stable Class AB audio or precision analog output stages up to ~1 MHz. Thermal derating must be applied per Figure 8, and bias networks should ensure TJ remains within −65°C to +150°C under worst-case quiescent power.
NJVMJK44H11TWG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-1023, 4-LFPAK
- 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:
- 20 W
- Frequency - Transition:
- 85MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LFPAK4 (5x6)
NJVMJK44H11TWG FAQ
1.How can I place an order for NJVMJK44H11TWG through Aetrix?
Please submit a Request for Quotation (RFQ) for NJVMJK44H11TWG 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 NJVMJK44H11TWG reliable?
The price and inventory of NJVMJK44H11TWG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NJVMJK44H11TWG is usually 5 days.
3.What payment methods are accepted for NJVMJK44H11TWG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NJVMJK44H11TWG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NJVMJK44H11TWG?
NJVMJK44H11TWG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NJVMJK44H11TWG 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 NJVMJK44H11TWG?
For technical support, including NJVMJK44H11TWG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NJVMJK44H11TWG requirements.
6.How does Aetrix verify that NJVMJK44H11TWG is sourced from the original manufacturer or authorized distributors?
All NJVMJK44H11TWG 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 NJVMJK44H11TWG meets industry standards.
7.What is the process for return or replacement of NJVMJK44H11TWG?
All NJVMJK44H11TWG units undergo pre-shipment inspection (PSI). If there is an issue with NJVMJK44H11TWG, 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 NJVMJK44H11TWG part is unused and in its original packaging.
Return procedure for NJVMJK44H11TWG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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