Vishay Siliconix SIR800ADP-T1-GE3
- Part No.:
- SIR800ADP-T1-GE3
- Manufacturer:
- Vishay Siliconix
- Category:
- FETs, MOSFETs
- Package:
- PowerPAK® SO-8
- Datasheet:
-
SIR800ADP-T1-GE3.pdf
- Description:
- MOSFET N-CH 20V 50.2A/177A PPAK
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SIR800ADP-T1-GE3 from Vishay Siliconix is an N-channel 20 V TrenchFET® Gen IV power MOSFET in PowerPAK® SO-8 package, delivering RDS(on) = 1.35 mΩ at VGS = 10 V, 1.75 mΩ at 4.5 V, and 4.60 mΩ at 2.5 V, with 177 A continuous drain current (TC = 25 °C), optimized for high-efficiency synchronous rectification in DC/DC converters.
For engineers reviewing the SIR800ADP-T1-GE3 datasheet, SIR800ADP-T1-GE3 pinout, SIR800ADP-T1-GE3 application, or SIR800ADP-T1-GE3 equivalent, this device is selected for low-voltage, high-current switching where gate charge (Qg = 18.2 nC typ. at 4.5 V) and body diode recovery (trr = 32 ns typ.) critically impact converter efficiency and thermal management.
Technical Context
This MOSFET employs TrenchFET® Gen IV process technology to achieve ultra-low on-resistance and optimized gate charge ratios (Qgd/Qgs) that reduce switching losses in hard-switched and synchronous buck topologies. Its 20 V VDS rating and 1.5 V maximum VGS(th) support direct drive from 3.3 V and 5 V controllers.
The PowerPAK® SO-8 package features exposed-drain copper pads on the bottom side for enhanced thermal conduction, with RthJC = 1.7 °C/W (typ.) and RthJA = 20 °C/W (t ≤ 10 s). The integrated source-drain diode exhibits VSD = 0.73 V (typ.) at 5 A and Qrr = 21 nC (typ.), enabling fast, low-loss reverse recovery in synchronous rectifier operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 20 V - Maximum drain-source blocking voltage for 12 V input rail systems and point-of-load converters |
| RDS(on) @ VGS = 4.5 V | 1.75 mΩ max - Enables high-efficiency operation with 3.3 V–5 V gate drivers in synchronous buck stages |
| ID (continuous, TC = 25 °C) | 177 A - Supports high-current output stages without parallel devices in compact power modules |
| Qg @ VGS = 4.5 V | 18.2 nC typ. - Low gate charge reduces driver power loss and enables higher PWM frequencies up to 1 MHz |
| trr (body diode) | 32 ns typ. - Minimizes reverse recovery energy loss during dead-time conduction in synchronous rectifiers |
| RthJC | 1.7 °C/W typ. - Enables direct thermal path to PCB copper or heatsink, critical for >100 W/in² power density designs |
| VGS(th) | 0.6–1.5 V - Ensures reliable turn-on with logic-level gate drivers and supports zero-voltage switching (ZVS) control schemes |
Pinout & Package
Package: PowerPAK® SO-8 (leadless, exposed-drain thermal pad), dimensions 6.15 mm × 5.15 mm × 1.04 mm (L × W × H), JEDEC MO-263 compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | Source (S) | Four parallel source terminals reduce source inductance and improve current sharing in high-di/dt applications |
| 5, 6, 7, 8 | Drain (D) | Exposed copper drain pad on bottom surface provides primary thermal path and low-inductance power return |
| Gate (G) | Control terminal | Single gate pin (Pin 1 not used per top view; actual gate is Pin 1 in standard SO-8 mapping but reconfigured - confirmed as Pin 1 in Vishay PowerPAK SO-8 Single top-view diagram: G at Pin 1, S at Pins 2–4, D at Pins 5–8) |
Key Features
| Feature | Design Value |
|---|---|
| TrenchFET® Gen IV process | Delivers 30 % lower RDS(on) × Qg figure-of-merit vs. prior generation, directly reducing total switching loss |
| 100 % Rg and UIS tested | Ensures gate resistance consistency (<0.4–1.4 Ω) and ruggedness against unclamped inductive switching stress |
| Optimized Qgd/Qgs ratio | Minimizes Miller plateau duration, improving controllability during hard switching and reducing EMI generation |
| Exposed-drain thermal pad | Enables <1.7 °C/W junction-to-case resistance, allowing >60 W dissipation with minimal heatsinking on 1 oz. FR4 |
| Low VGS(th) variation | ΔVGS(th)/TJ = –3.6 mV/°C ensures stable turn-on threshold across –55 to +150 °C operating range |
Applications
| Synchronous Buck Converter | High-Density DC/DC Module |
|---|---|
Use Scenario: Primary high-side or synchronous rectifier switch in 12 V input → 1 V/100 A output VRM for AI accelerators. IC Role / Device Role / Timing Role: Low-side synchronous rectifier MOSFET, replacing Schottky diode to eliminate forward voltage drop and recover conduction loss. Use Value: Reduces conduction loss by >65 % vs. 0.4 V Schottky at 100 A, lowering junction temperature rise by 22 °C under full load. |
Use Scenario: Output stage switch in 48 V → 12 V intermediate bus converter for telecom shelf power. IC Role / Device Role / Timing Role: High-current, low-RDS(on) power switch operating at 300–500 kHz with tight thermal constraints. Use Value: Enables 97.2 % peak efficiency at 200 A output due to 1.75 mΩ RDS(on) at 4.5 V drive and 32 ns trr minimizing dead-time loss. |
| Server VRM Phase Doubler | Industrial PLC Power Supply |
Use Scenario: Secondary-side switch in interleaved multiphase buck using phase-doubling topology for CPU core rails. IC Role / Device Role / Timing Role: Synchronous rectifier in each phase leg, driven by dedicated gate driver with adaptive dead-time control. Use Value: Achieves <1.2 mΩ effective on-resistance per phase via paralleling, supporting >300 A transient current with <15 mV droop. |
Use Scenario: Load switch and hot-swap controller in 24 V industrial I/O module with overcurrent and thermal protection. IC Role / Device Role / Timing Role: Main power FET handling inrush current limiting and controlled turn-on via gate resistor network. Use Value: Withstands 20 V system transients and delivers 50.2 A continuous at ambient (TA = 25 °C), meeting IEC 61000-4-5 surge immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel 20 V power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRLHS6342TRPBF | RDS(on) = 1.95 mΩ @ 4.5 V; Qg = 16.5 nC; PowerPAK® 1212-8 package (smaller footprint, higher RthJA) | Lower current rating (100 A) and higher thermal resistance limit use in >150 W applications | Select when board space is constrained and thermal budget allows higher junction temperature rise |
| DMTH2006LPSQ-13 | RDS(on) = 1.65 mΩ @ 4.5 V; Qg = 22.5 nC; SO-8 package with gull-wing leads (higher RthJC = 3.0 °C/W) | Lead-based package increases parasitic inductance and limits high-frequency switching efficiency | Select when leaded assembly is required or legacy SO-8 footprint compatibility is mandatory |
Compared with IRLHS6342TRPBF and DMTH2006LPSQ-13, the SIR800ADP-T1-GE3 offers the lowest RDS(on) × Qg product (31.2 mΩ·nC) and best thermal performance (RthJC = 1.7 °C/W), making it optimal for high-power-density, high-efficiency synchronous rectification where thermal headroom and switching loss are critical.
Availability
SIR800ADP-T1-GE3 is available at Aetrix Electronics and suitable for server VRMs, telecom DC/DC modules, and industrial PLC power supplies requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production lots.
Supply support for SIR800ADP-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 with emphasis on power efficiency and reliability.
The SIR800ADP-T1-GE3 belongs to Vishay's TrenchFET® Gen IV power MOSFET family, engineered specifically for high-current, low-voltage synchronous rectification and DC/DC conversion in datacenter, telecom, and industrial power systems.
FAQ
What is the maximum continuous drain current for SIR800ADP-T1-GE3 at case temperature of 70 °C?
The SIR800ADP-T1-GE3 supports 142 A continuous drain current when the case temperature (TC) is maintained at 70 °C, as specified in the Absolute Maximum Ratings table. This rating reflects derating from the 177 A value at TC = 25 °C due to thermal limitations, and must be validated with actual PCB layout and heatsinking in the target application.
Does SIR800ADP-T1-GE3 have a guaranteed gate threshold voltage range?
Yes, the SIR800ADP-T1-GE3 has a guaranteed gate-source threshold voltage (VGS(th)) range of 0.6 V to 1.5 V at TJ = 25 °C and ID = 250 μA, ensuring reliable turn-on with standard 3.3 V and 5 V gate drivers. The VGS(th) exhibits a temperature coefficient of –3.6 mV/°C, maintaining stable switching behavior across its –55 to +150 °C operating range.
Can SIR800ADP-T1-GE3 be used in synchronous rectifier applications with 2.5 V gate drive?
Yes, the SIR800ADP-T1-GE3 is fully characterized for 2.5 V gate drive, with RDS(on) = 4.60 mΩ max at ID = 10 A. This enables use with advanced low-voltage controllers and digital PWM ICs that output 2.5 V logic levels, though conduction loss will be ~3.4× higher than at 4.5 V drive - design validation of thermal margin is essential.
What is the thermal resistance from junction to ambient for SIR800ADP-T1-GE3 under transient conditions?
The SIR800ADP-T1-GE3 has a maximum junction-to-ambient thermal resistance (RthJA) of 25 °C/W for pulse durations ≤10 s when mounted on a 1" × 1" FR4 board with 1 oz. copper, per the datasheet note b. For steady-state operation, RthJA is not specified - thermal design must rely on RthJC = 1.7 °C/W and proper PCB copper area or heatsink interface.
Is SIR800ADP-T1-GE3 suitable for avalanche energy handling in inductive switching circuits?
Yes, the SIR800ADP-T1-GE3 is rated for single-pulse avalanche energy (EAS) of 20 mJ and single-pulse avalanche current (IAS) of 20 A with L = 0.1 mH, confirming its capability to safely absorb inductive energy during unclamped switching events. It is 100 % UIS (unclamped inductive switching) tested per production flow.
SIR800ADP-T1-GE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- TrenchFET® Gen IV
- 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):
- 20 V
- Current - Continuous Drain (Id) @ 25°C:
- 50.2A (Ta), 177A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 2.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 1.35mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id:
- 1.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 53 nC @ 10 V
- Vgs (Max):
- +12V, -8V
- Input Capacitance (Ciss) (Max) @ Vds:
- 3415 pF @ 10 V
- FET Feature:
- -
- Power Dissipation (Max):
- 5W (Ta), 62.5W (Tc)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerPAK® SO-8
SIR800ADP-T1-GE3 FAQ
1.How can I place an order for SIR800ADP-T1-GE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SIR800ADP-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 SIR800ADP-T1-GE3 reliable?
The price and inventory of SIR800ADP-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 SIR800ADP-T1-GE3 is usually 5 days.
3.What payment methods are accepted for SIR800ADP-T1-GE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SIR800ADP-T1-GE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SIR800ADP-T1-GE3?
SIR800ADP-T1-GE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SIR800ADP-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 SIR800ADP-T1-GE3?
For technical support, including SIR800ADP-T1-GE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SIR800ADP-T1-GE3 requirements.
6.How does Aetrix verify that SIR800ADP-T1-GE3 is sourced from the original manufacturer or authorized distributors?
All SIR800ADP-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 SIR800ADP-T1-GE3 meets industry standards.
7.What is the process for return or replacement of SIR800ADP-T1-GE3?
All SIR800ADP-T1-GE3 units undergo pre-shipment inspection (PSI). If there is an issue with SIR800ADP-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 SIR800ADP-T1-GE3 part is unused and in its original packaging.
Return procedure for SIR800ADP-T1-GE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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