Vishay Siliconix SQJ488EP-T1_GE3
- Part No.:
- SQJ488EP-T1_GE3
- Manufacturer:
- Vishay Siliconix
- Category:
- FETs, MOSFETs
- Package:
- PowerPAK® SO-8
- Datasheet:
-
SQJ488EP-T1_GE3.pdf
- Description:
- MOSFET N-CH 100V 42A PPAK SO-8
- Quantity:
- Payment:

- Shipping:

Inventory:3,878
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Product details
Overview
SQJ488EP-T1_GE3 from Vishay Siliconix is an automotive-grade N-channel 100 V MOSFET in PowerPAK® SO-8L package, rated for 42 A continuous drain current at 25 °C, with RDS(on) = 21.0 mΩ at VGS = 10 V and 25.8 mΩ at VGS = 4.5 V, operating up to +175 °C junction temperature - used in high-efficiency DC-DC converters and motor control stages in engine management systems.
For engineers reviewing the SQJ488EP-T1_GE3 datasheet, SQJ488EP-T1_GE3 pinout, SQJ488EP-T1_GE3 application, or SQJ488EP-T1_GE3 equivalent, this page delivers verified thermal resistance (RthJC = 1.8 °C/W), avalanche energy rating (EAS = 1.68 mJ), AEC-Q101 qualification status, gate charge (Qg = 18–27 nC), and SO-8L footprint compatibility for automotive power stage design.
Technical Context
This MOSFET employs TrenchFET® technology to achieve low on-resistance and fast switching with controlled Qgd/Qgs ratio (4.7 nC / 2 nC), supporting high-frequency synchronous rectification. Its 100 % Rg and UIS testing ensures robustness in inductive load switching.
The device features a thermally enhanced PowerPAK® SO-8L leadless package with exposed copper drain pad, delivering RthJC = 1.8 °C/W and RthJA = 65 °C/W (on 1"² FR-4 PCB), enabling compact, high-power-density automotive modules without heatsinks under moderate loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 100 V - supports 48 V automotive systems with 2× safety margin against transients |
| RDS(on) @ 10 V | 21.0 mΩ - enables ≤0.37 W conduction loss at 42 A, critical for thermal budget in ECU power stages |
| RDS(on) @ 4.5 V | 25.8 mΩ - ensures reliable turn-on with 5 V logic-level gate drivers in battery-sensed circuits |
| ID (continuous) | 42 A @ TC = 25 °C - sustains peak motor drive currents in 12 V/24 V starter-generator inverters |
| EAS | 1.68 mJ - withstands single-pulse inductive energy from solenoid or relay coil deactivation |
| TJ max | +175 °C - certified for under-hood placement in transmission control units and ADAS power supplies |
| Qg | 18–27 nC - balances switching speed and gate driver power loss in 100–500 kHz DC-DC designs |
Pinout & Package
Package: PowerPAK® SO-8L (leadless, dual-side thermal pad), 5.13 mm × 6.15 mm footprint, 1.07 mm height, exposed copper drain terminal on bottom side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (S) | Source | Internally paralleled source terminals - low-inductance return path for high di/dt motor phases |
| 5, 6, 7, 8 (D) | Drain | Exposed copper drain pad - primary thermal path to PCB ground plane; no solder fillet required |
| 4 (G) | Gate | Single gate input - compatible with standard 5 V or 10 V gate drivers; Rg = 1.1–3.3 Ω measured |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements - supports PPAP documentation for Tier-1 suppliers |
| 100 % Rg tested | Guarantees gate resistance consistency (1.1–3.3 Ω) - essential for matched parallel operation in multi-phase inverters |
| 100 % UIS tested | Each unit passes unclamped inductive switching stress - eliminates field failure risk in solenoid driver applications |
| TrenchFET® architecture | Optimized cell layout reduces Ciss/Coss ratio (782 pF / 372 pF) - improves hard-switching efficiency in buck regulators |
| Lead (Pb)-free & halogen-free | Complies with RoHS Directive 2011/65/EU and JEDEC J-STD-020 - suitable for global automotive manufacturing |
Applications
| Engine Control Unit (ECU) Power Stage | Electric Power Steering (EPS) H-Bridge |
|---|---|
Use Scenario: High-side/low-side switching of fuel injector drivers and ignition coils in gasoline/diesel ECUs. IC Role / Device Role / Timing Role: N-channel MOSFET used as synchronized switch in 12 V/42 V power distribution networks with microsecond-scale PWM control. Use Value: 175 °C rating allows direct mounting near engine bay electronics; 21 mΩ RDS(on) minimizes voltage drop during cold-cranking (6.5 V min). | Use Scenario: Bidirectional motor control in column-assist EPS systems requiring torque ripple < 5 %. IC Role / Device Role / Timing Role: Half-bridge leg switch handling 30–40 A peak phase current at 20–100 kHz PWM frequency. Use Value: Low Qgd/Qgs ratio (2.35) suppresses shoot-through risk; SO-8L thermal performance enables 95 % duty cycle operation without derating. |
| On-Board Charger (OBC) DC-DC Stage | Transmission Control Module (TCM) Solenoid Driver |
Use Scenario: Primary-side synchronous rectifier in isolated 3.3 kW bidirectional OBC LLC resonant converter. IC Role / Device Role / Timing Role: Fast-switching N-channel MOSFET operating at 200–300 kHz with zero-voltage switching assist. Use Value: Ciss = 782 pF and Qg = 22.5 nC typical enable < 15 ns rise time; 100 V rating accommodates 400 V bus transients. | Use Scenario: High-current linear or PWM-controlled solenoid actuation for automatic transmission shift valves. IC Role / Device Role / Timing Role: Low-side switch driving 12–24 V, 2–5 A solenoids with 10 ms–500 ms dwell times. Use Value: 1.68 mJ EAS rating safely clamps back-EMF without external snubbers; 175 °C capability prevents thermal shutdown during prolonged engagement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRF4905PbF | Higher RDS(on) (75 mΩ @ 10 V), TO-220 package, lower ID (74 A pulsed only), no AEC-Q101 | Requires heatsink; unsuitable for under-hood SMT assembly; limited to non-automotive industrial use | Select only for cost-sensitive, non-automotive 100 V switching where thermal constraints allow larger footprint |
| STL220N10F7 | Lower RDS(on) (1.8 mΩ @ 10 V), same PowerFLAT 5x6 package, AEC-Q101 qualified, but 100 V rating not guaranteed beyond 90 V | Better conduction loss, but reduced voltage margin - risks failure during load dump (ISO 7637-2 Pulse 5a) | Prefer for high-efficiency 48 V systems where voltage transients are actively clamped; verify system-level surge protection |
Compared with IRF4905PbF and STL220N10F7, SQJ488EP-T1_GE3 uniquely balances 100 V rating, AEC-Q101 compliance, SO-8L SMT compatibility, and 21 mΩ RDS(on) - making it the only option qualified for direct replacement in space-constrained, high-reliability automotive power stages without layout or thermal redesign.
Availability
SQJ488EP-T1_GE3 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, and on-board chargers requiring stable component supply across automotive production lifecycles.
Supply support for SQJ488EP-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 high-performance MOSFETs, diodes, and optoelectronics for automotive, industrial, and computing markets.
The SQJ488EP-T1_GE3 belongs to Vishay's TrenchFET® Automotive Power MOSFET product line, engineered specifically for high-temperature, high-reliability switching in engine bay and transmission control environments.
FAQ
What is the maximum continuous drain current rating for SQJ488EP-T1_GE3 at 125 °C case temperature?
The SQJ488EP-T1_GE3 supports 24 A continuous drain current at TC = 125 °C, as specified in its Absolute Maximum Ratings table. This derating reflects thermal limits of the PowerPAK® SO-8L package and ensures safe operation in high-ambient under-hood locations. The full 42 A rating applies only at TC = 25 °C.
Is SQJ488EP-T1_GE3 qualified to AEC-Q101, and what does that mean for automotive use?
Yes, SQJ488EP-T1_GE3 is AEC-Q101 qualified, meaning it has passed accelerated stress tests including HTGB, HTRB, UHAST, and temperature cycling - validating reliability for automotive electronic control modules. This qualification supports PPAP submission and enables use in safety-critical systems like engine management and EPS, subject to system-level functional safety analysis.
Does SQJ488EP-T1_GE3 have integrated ESD protection on the gate terminal?
No, SQJ488EP-T1_GE3 does not include integrated gate ESD protection. Its gate-source leakage (IGSS) is specified at ±100 nA at ±20 V, and gate oxide integrity relies on external handling controls. Designers must implement board-level ESD safeguards such as series gate resistors and TVS diodes when routing gate traces in high-noise automotive environments.
What is the recommended PCB pad layout for SQJ488EP-T1_GE3's PowerPAK® SO-8L package?
Vishay specifies a recommended minimum pad pattern for SQJ488EP-T1_GE3 in document 63818: 5.00 mm × 2.31 mm for the drain thermal pad, with 0.51 mm wide source/gate pads and 0.595 mm spacing between pins. Use 2 oz. copper on both sides of a 1" × 1" FR-4 board to achieve the published RthJA = 65 °C/W; avoid solder mask defined (SMD) pads for the drain to ensure optimal thermal transfer.
Can SQJ488EP-T1_GE3 be used in parallel configurations, and what precautions apply?
Yes, SQJ488EP-T1_GE3 supports parallel operation due to its positive temperature coefficient of RDS(on) and 100 % Rg testing. To ensure current sharing, use matched gate resistors (±5 %), symmetrical PCB layout with equal trace lengths, and separate Kelvin source connections. Derate total current by 15 % versus sum of individual ratings to account for thermal coupling in dense layouts.
SQJ488EP-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:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 100 V
- Current - Continuous Drain (Id) @ 25°C:
- 42A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 21mOhm @ 7.4A, 10V
- Vgs(th) (Max) @ Id:
- 2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 27 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 979 pF @ 25 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
SQJ488EP-T1_GE3 FAQ
1.How can I place an order for SQJ488EP-T1_GE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SQJ488EP-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 SQJ488EP-T1_GE3 reliable?
The price and inventory of SQJ488EP-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 SQJ488EP-T1_GE3 is usually 5 days.
3.What payment methods are accepted for SQJ488EP-T1_GE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SQJ488EP-T1_GE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SQJ488EP-T1_GE3?
SQJ488EP-T1_GE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SQJ488EP-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 SQJ488EP-T1_GE3?
For technical support, including SQJ488EP-T1_GE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SQJ488EP-T1_GE3 requirements.
6.How does Aetrix verify that SQJ488EP-T1_GE3 is sourced from the original manufacturer or authorized distributors?
All SQJ488EP-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 SQJ488EP-T1_GE3 meets industry standards.
7.What is the process for return or replacement of SQJ488EP-T1_GE3?
All SQJ488EP-T1_GE3 units undergo pre-shipment inspection (PSI). If there is an issue with SQJ488EP-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 SQJ488EP-T1_GE3 part is unused and in its original packaging.
Return procedure for SQJ488EP-T1_GE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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