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Vishay Siliconix SQJ433EP-T1_GE3
- Part No.:
- SQJ433EP-T1_GE3
- Manufacturer:
- Vishay Siliconix
- Category:
- FETs, MOSFETs
- Package:
- PowerPAK® SO-8
- Datasheet:
-
SQJ433EP-T1_GE3.pdf
- Description:
- MOSFET P-CH 30V 75A PPAK SO-8
- Quantity:
- Payment:
- Shipping:
Inventory:4,948
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Product details
Overview
SQJ433EP-T1_GE3 from Vishay Siliconix is an automotive-grade P-channel enhancement-mode MOSFET designed for high-current, low-voltage DC-DC power conversion and load switching in engine control units and body electronics. It delivers -75 A continuous drain current at TC = 25 °C, 8.1 mΩ RDS(on) at VGS = -10 V, and operates up to +175 °C junction temperature - enabling robust performance in under-hood automotive applications.
For engineers reviewing the SQJ433EP-T1_GE3 datasheet, SQJ433EP-T1_GE3 pinout, SQJ433EP-T1_GE3 application, or SQJ433EP-T1_GE3 equivalent, key selection criteria include its AEC-Q101 qualification, PowerPAK SO-8L leadless package thermal performance (RthJC = 1.8 °C/W), and guaranteed 100 % UIS and Rg testing for mission-critical automotive power stages.
Technical Context
This P-channel MOSFET uses TrenchFET® technology to achieve low on-resistance and fast switching with controlled gate charge (Qg = 72–108 nC). Its negative threshold voltage (-1.5 to -2.5 V) ensures reliable turn-on with standard logic-level gate drivers in high-side switch configurations.
The device integrates a robust intrinsic body diode (VSD = -0.8 to -1.2 V at -10 A) and supports repetitive avalanche energy (EAS = 70 mJ), making it suitable for inductive load switching with flyback protection without external diodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS (max) | -30 V - Supports 24 V automotive systems with margin against load dump transients |
| RDS(on) @ VGS = -10 V | 0.0081 Ω - Enables <1 W conduction loss at 35 A, critical for thermally constrained modules |
| ID (cont) @ TC = 25 °C | -75 A - Sustains high peak currents in starter motor control or battery disconnect circuits |
| Junction Temp Range | -55 to +175 °C - Qualified for under-hood placement per AEC-Q101 stress requirements |
| RthJC | 1.8 °C/W - Allows direct thermal coupling to heatsink or copper pour for high-power density designs |
| Qg (total) | 72–108 nC - Determines gate driver sizing and switching loss in PWM-controlled buck converters |
| EAS | 70 mJ - Withstands repetitive inductive energy spikes in solenoid or relay drive applications |
Pinout & Package
Package: PowerPAK® SO-8L (leadless, surface-mount, 5.13 mm × 6.15 mm footprint). Exposed drain pad on bottom provides low-inductance, high-current path and primary thermal conduction path to PCB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (S) | Source | Common source connection for internal parallel die; tied directly to PCB ground plane for low-impedance return path |
| 5 (G) | Gate | Control terminal requiring <2 V threshold swing; layout must minimize inductance to prevent oscillation during fast switching |
| 6, 7, 8 (D) | Drain | Exposed copper drain pad on bottom - sole thermal and high-current path; requires full-solder coverage for reliability |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use including temperature cycling, HTRB, and ESD per JESD22 standards |
| 100 % Rg and UIS tested | Each unit screened for gate resistance consistency and unclamped inductive switching robustness |
| TrenchFET® architecture | Enables lower RDS(on) × Qg figure-of-merit than planar P-channel alternatives at same voltage class |
| PowerPAK SO-8L package | Reduces board space by 40 % vs. TO-252 while improving thermal resistance by 3× over DPAK |
| 175 °C TJ max rating | Supports operation in high-ambient zones (e.g., near exhaust, transmission control) without derating |
Applications
| Engine Control Unit (ECU) Power Switching | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: High-side switching of fuel injector drivers and ignition coil pre-drivers in gasoline/diesel ECUs. IC Role / Device Role / Timing Role: P-channel high-side switch controlling 12–24 V loads with microsecond-scale turn-on/turn-off timing. Use Value: Low RDS(on) minimizes power loss during extended duty cycles; 175 °C rating enables direct mounting on ECU metal housing. | Use Scenario: Load switching for interior lighting, window lift motors, and seat actuation in BCMs. IC Role / Device Role / Timing Role: Solid-state replacement for electromechanical relays, supporting PWM dimming and soft-start sequencing. Use Value: Integrated body diode eliminates need for external freewheeling diode; AEC-Q101 ensures >15-year field reliability. |
| Battery Disconnect Unit (BDU) | Start-Stop System Power Management |
Use Scenario: Isolation of 12 V battery from vehicle loads during deep sleep or fault conditions. IC Role / Device Role / Timing Role: Bidirectional current-blocking switch with reverse-polarity protection capability. Use Value: -30 V VDS rating accommodates load dump surges up to ISO 7637-2 Pulse 5a; low leakage (<1 μA) preserves battery charge. | Use Scenario: Controlled engagement/disengagement of starter motor and alternator in 12 V micro-hybrid systems. IC Role / Device Role / Timing Role: High-current power path switch synchronized with engine cranking detection and voltage regulation. Use Value: 200 A pulsed drain rating handles cranking surge; EAS rating absorbs alternator field collapse energy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar P-channel automotive MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRF9530NPbF | TO-220 package, higher RDS(on) (0.12 Ω), lower ID (-12 A), non-AEC-Q101 | Limited to non-automotive industrial or prototyping use due to packaging and qualification gap | Select only for cost-sensitive non-automotive designs where thermal and reliability requirements are relaxed |
| SPB04N60C3 | N-channel 600 V Superjunction MOSFET, requires high-side gate driver, not pin-compatible | Used in isolated high-voltage DC-DC converters, not direct replacement in low-side or high-side 24 V switches | Consider only when redesigning topology to leverage N-channel efficiency advantages with driver support |
Compared with IRF9530NPbF and SPB04N60C3, the SQJ433EP-T1_GE3 offers superior automotive readiness, 9× higher current capability, and 15× lower RDS(on) in a space-optimized leadless package - making it the only viable choice for production-grade 24 V high-side switching in AEC-Q101-compliant systems.
Availability
SQJ433EP-T1_GE3 is available at Aetrix Electronics and suitable for automotive power distribution, engine management systems, and battery management applications requiring stable component supply across multi-year vehicle production cycles.
Supply support for SQJ433EP-T1_GE3 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
Vishay Siliconix is a global leader in discrete semiconductors, specializing in power MOSFETs, diodes, and optoelectronics with emphasis on automotive, industrial, and computing markets.
The SQJ433EP-T1_GE3 belongs to Vishay's TrenchFET® Automotive PowerPAK series, engineered specifically for high-reliability, high-current switching in harsh-temperature automotive subsystems.
FAQ
What is the maximum continuous drain current rating for SQJ433EP-T1_GE3 at 125 °C case temperature?
The SQJ433EP-T1_GE3 supports -45 A continuous drain current at TC = 125 °C, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limits of the PowerPAK SO-8L package and ensures safe operation in high-ambient environments such as engine compartments. The SQJ433EP-T1_GE3 maintains stable RDS(on) performance up to 175 °C junction temperature, enabling design margin beyond case-limited ratings.
Does SQJ433EP-T1_GE3 require a gate driver IC for automotive 12 V system operation?
The SQJ433EP-T1_GE3 has a gate threshold voltage range of -1.5 V to -2.5 V and is fully compatible with standard 3.3 V or 5 V logic-level microcontrollers in high-side configurations. However, for optimal switching speed and reduced gate dissipation in PWM applications above 10 kHz, a dedicated gate driver (e.g., TC4427) is recommended to source/sink the full 108 nC total gate charge. The SQJ433EP-T1_GE3 does not require level-shifting circuitry in 12 V systems.
Is SQJ433EP-T1_GE3 suitable for reverse polarity protection in automotive battery inputs?
Yes - the SQJ433EP-T1_GE3 is widely used for active reverse polarity protection due to its -30 V VDS rating, low RDS(on), and ability to block reverse current while conducting forward current with minimal voltage drop. When placed in the high-side position with gate tied to battery positive, it automatically disables during reverse connection. The SQJ433EP-T1_GE3's AEC-Q101 qualification and 175 °C rating ensure robustness against cold-cranking and load-dump events in this role.
How does the PowerPAK SO-8L package of SQJ433EP-T1_GE3 compare thermally to traditional SO-8?
The PowerPAK SO-8L package of SQJ433EP-T1_GE3 features an exposed drain pad that serves as the primary thermal path, achieving RthJC = 1.8 °C/W - over 3× better than standard SO-8 packages (~6–8 °C/W). Unlike conventional SO-8, the PowerPAK SO-8L eliminates plastic encapsulant under the die, enabling direct copper-to-PCB thermal transfer. This allows the SQJ433EP-T1_GE3 to dissipate 83 W at TC = 25 °C, making it viable for high-power density automotive modules where thermal headroom is constrained.
What is the UIS (unclamped inductive switching) capability of SQJ433EP-T1_GE3, and how is it validated?
The SQJ433EP-T1_GE3 is 100 % UIS tested per JEDEC JESD22-A201, with single-pulse avalanche energy rated at 70 mJ (IAS = -40 A, L = 0.1 mH). This validation ensures robustness during inductive load turn-off without external snubbers - critical for solenoid, relay, and motor control. Each SQJ433EP-T1_GE3 unit undergoes production screening for UIS, guaranteeing performance across the full temperature range (-55 to +175 °C), unlike datasheet-typical-only ratings.
SQJ433EP-T1_GE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- TrenchFET®
- Package/Case:
- PowerPAK® SO-8
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 30 V
- Current - Continuous Drain (Id) @ 25°C:
- 75A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 8.1mOhm @ 16A, 10V
- Vgs(th) (Max) @ Id:
- 2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 108 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 4877 pF @ 15 V
- FET Feature:
- -
- Power Dissipation (Max):
- 83W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerPAK® SO-8
SQJ433EP-T1_GE3 FAQ
1.How can I place an order for SQJ433EP-T1_GE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SQJ433EP-T1_GE3 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 SQJ433EP-T1_GE3 reliable?
The price and inventory of SQJ433EP-T1_GE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SQJ433EP-T1_GE3 is usually 5 days.
3.What payment methods are accepted for SQJ433EP-T1_GE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SQJ433EP-T1_GE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SQJ433EP-T1_GE3?
SQJ433EP-T1_GE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SQJ433EP-T1_GE3 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 SQJ433EP-T1_GE3?
For technical support, including SQJ433EP-T1_GE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SQJ433EP-T1_GE3 requirements.
6.How does Aetrix verify that SQJ433EP-T1_GE3 is sourced from the original manufacturer or authorized distributors?
All SQJ433EP-T1_GE3 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 SQJ433EP-T1_GE3 meets industry standards.
7.What is the process for return or replacement of SQJ433EP-T1_GE3?
All SQJ433EP-T1_GE3 units undergo pre-shipment inspection (PSI). If there is an issue with SQJ433EP-T1_GE3, 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 SQJ433EP-T1_GE3 part is unused and in its original packaging.
Return procedure for SQJ433EP-T1_GE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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