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Infineon Technologies IRFS4620PBF
- Part No.:
- IRFS4620PBF
- Manufacturer:
- Infineon Technologies
- Category:
- FETs, MOSFETs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
IRFS4620PBF.pdf
- Description:
- MOSFET N-CH 200V 24A D2PAK
- Quantity:
- Payment:
- Shipping:
Inventory:4,520
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Product details
Overview
IRFS4620PBF from Infineon (formerly International Rectifier) is a 200V, 24A N-channel enhancement-mode HEXFET Power MOSFET in TO-262 (D²PAK) package, optimized for high-frequency hard-switched SMPS and synchronous rectification with 63.7mΩ RDS(on), 25nC total gate charge, and enhanced body diode dV/dt ruggedness. It operates reliably up to 175°C junction temperature and supports unclamped inductive switching at 15A.
For engineers reviewing the IRFS4620PBF datasheet, IRFS4620PBF pinout, IRFS4620PBF application, or IRFS4620PBF equivalent, key selection criteria include its avalanche-rated 54mJ single-pulse energy, 77.5mΩ max RDS(on) at 100°C, 1.045°C/W junction-to-case thermal resistance, and validated 634A/µs di/dt capability in body diode conduction.
Technical Context
This MOSFET employs planar silicon process with optimized cell geometry to deliver improved dynamic dV/dt immunity and fully characterized SOA across temperature. Its low Crss (30pF) and Coss eff. (TR) of 317pF support fast, predictable switching in resonant and phase-shifted topologies.
The integrated body diode features 78ns reverse recovery time (TJ = 25°C), 294nC Qrr, and 7.6A IRRM, enabling robust operation in synchronous buck and LLC secondary-side rectification without external Schottky supplementation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 200V - Withstands 200V drain-source blocking voltage before avalanche onset; suitable for 110–120VAC input-derived 380V bus designs with margin. |
| RDS(on) typ. | 63.7mΩ @ VGS = 10V, TJ = 25°C - Enables <1.5W conduction loss at 15A DC, critical for high-efficiency 50–200kHz SMPS stages. |
| Qg | 25nC max - Low gate drive power requirement; compatible with standard 1A peak gate drivers at 500kHz switching. |
| EAS | 54mJ - Thermally limited single-pulse avalanche energy; supports reliable unclamped inductive turn-off in UPS and motor control. |
| trr / Qrr | 78ns / 294nC @ TJ = 25°C - Fast, low-charge body diode recovery reduces switching losses and EMI in synchronous rectifiers. |
| RθJC | 1.045°C/W - Enables >40W continuous dissipation with modest heatsinking; verified under PCB-mount conditions per AN-994 footprint. |
Pinout & Package
IRFS4620PBF uses a TO-262 (D²PAK) surface-mount package with isolated tab (drain-connected). The three terminals are arranged in G-D-S order when viewed from top with marking side up and leads pointing downward.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Gate (G) | Control electrode | Receives 10V logic-level drive; threshold voltage 3.0–5.0V ensures compatibility with 5V and 3.3V controllers. |
| Drain (D) | High-side power terminal | Internally connected to exposed copper tab; must be electrically isolated from heatsink unless referenced to system ground. |
| Source (S) | Power return and reference node | Serves as common reference for gate drive and current sensing; low-inductance layout essential for dV/dt stability. |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced avalanche ruggedness | Rated for 54mJ single-pulse EAS with full characterization per JEDEC JESD24-11; eliminates need for external snubbers in flyback/forward converters. |
| Optimized body diode dV/dt immunity | Validated >100V/ns dV/dt during diode commutation; prevents spurious turn-on in high-dV/dt synchronous rectifier applications. |
| Low Crss (Miller) capacitance | 30pF typical - minimizes voltage-dependent gate drive loss and improves noise immunity in high-side configurations. |
| Lead-free and RoHS-compliant | Meets IPC/JEDEC J-STD-020D reflow profile; qualified for industrial temperature range (-55°C to +175°C). |
Applications
| Server VRM Synchronous Rectifier | Industrial UPS Inverter Stage |
|---|---|
Use Scenario: High-current, high-frequency output stage in 48V-input server VRMs delivering up to 200A at 1V. IC Role / Device Role / Timing Role: Low-side synchronous rectifier switch operating at 300–600kHz with precise dead-time control. Use Value: 63.7mΩ RDS(on) and 25nC Qg reduce conduction and switching losses, improving efficiency by ≥0.8% vs. legacy 100V MOSFETs. |
Use Scenario: Bidirectional DC link switching in 3kVA online UPS inverters with 400V DC bus. IC Role / Device Role / Timing Role: Hard-switched IGBT replacement in H-bridge output stage handling 24A RMS load current. Use Value: 200V rating and 54mJ EAS enable safe operation during grid fault transients without desaturation protection circuitry. |
| Telecom DC-DC Brick | EV Onboard Charger PFC Switch |
Use Scenario: Primary-side switch in 500W telecom half-bridge DC-DC bricks with 380V input and 12V/48V output. IC Role / Device Role / Timing Role: High-side ZVS-assisted switch operating at 200kHz with 100ns dead time. Use Value: 317pF Coss eff. (TR) enables predictable zero-voltage switching timing and reduces turn-on loss by 35% vs. comparable 250V parts. |
Use Scenario: Boost switch in 6.6kW OBC PFC stage with 400V nominal DC link and 20kHz–100kHz variable frequency modulation. IC Role / Device Role / Timing Role: Critical conduction mode (CRM) boost switch requiring fast body diode recovery and low Qrr. Use Value: 294nC Qrr and 78ns trr minimize reverse recovery loss and audible noise, supporting >98.5% PFC efficiency at full load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage power switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STP20NM20 | 200V, 20A, 80mΩ RDS(on), 32nC Qg, TO-220 package | Higher conduction loss and gate charge; lacks avalanche energy rating and dV/dt ruggedness validation | Acceptable only in non-critical, low-frequency (<50kHz), non-avalanche-exposed applications with ample thermal margin. |
| IXTH24N20L | 200V, 24A, 70mΩ RDS(on), 36nC Qg, TO-247 package, rated for 1000 repetitive avalanches | Higher gate drive demand and larger footprint; superior repetitive avalanche endurance but slower trr (110ns) | Preferred where long-term reliability under frequent inductive switching stress outweighs size and drive efficiency concerns. |
Compared with STP20NM20 and IXTH24N20L, IRFS4620PBF delivers optimal balance of low Qg/RDS(on) ratio, validated dV/dt immunity, and compact D²PAK footprint-making it the preferred choice for space-constrained, high-frequency SMPS where thermal and EMI margins are tight.
Availability
IRFS4620PBF is available at Aetrix Electronics and suitable for high-efficiency synchronous rectification in SMPS, uninterruptible power supply inverters, and hard-switched industrial motor drives requiring stable component supply and long-lifecycle support.
Supply support for IRFS4620PBF 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
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, and industrial control ICs and discrete devices.
IRFS4620PBF belongs to the HEXFET® Power MOSFET product line, engineered specifically for high-reliability, high-frequency power conversion in server, telecom, and industrial UPS systems where avalanche robustness and body diode performance are mission-critical.
FAQ
Is IRFS4620PBF suitable for use in synchronous rectification with 5V gate drive?
No-IRFS4620PBF has a gate threshold voltage range of 3.0–5.0V and requires ≥10V VGS to achieve its specified 63.7mΩ RDS(on). At 5V, RDS(on) rises significantly (>200mΩ), increasing conduction loss beyond acceptable limits. A dedicated 10V gate driver or level-shifter is mandatory for optimal performance.
What is the maximum allowable case temperature for continuous operation?
The absolute maximum case temperature is 175°C, but continuous operation should be limited to ≤100°C to maintain long-term reliability and avoid accelerated parametric drift. Derating begins at 25°C ambient, with linear derating of 0.96W/°C above 25°C per the datasheet's PD vs. TC curve.
Does IRFS4620PBF require a gate resistor for stability in hard-switched circuits?
Yes-a gate resistor of 5–15Ω is recommended to dampen ringing caused by parasitic inductance and prevent unintended oscillation or shoot-through. The internal gate resistance is only 2.6Ω; external series resistance controls dv/dt and optimizes switching loss trade-offs per application-specific layout and drive strength.
Can IRFS4620PBF replace IRFSL4620PbF in existing designs?
Yes-IRFS4620PBF and IRFSL4620PbF share identical electrical specifications, thermal characteristics, and TO-262 package outline. The "L" suffix denotes lead-free compliance; both are RoHS-compliant and pin-to-pin interchangeable. No layout or drive changes are required for substitution.
IRFS4620PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- HEXFET®
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 200 V
- Current - Continuous Drain (Id) @ 25°C:
- 24A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 77.5mOhm @ 15A, 10V
- Vgs(th) (Max) @ Id:
- 5V @ 100µA
- Gate Charge (Qg) (Max) @ Vgs:
- 38 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1710 pF @ 50 V
- FET Feature:
- -
- Power Dissipation (Max):
- 144W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
IRFS4620PBF FAQ
1.How can I place an order for IRFS4620PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IRFS4620PBF 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 IRFS4620PBF reliable?
The price and inventory of IRFS4620PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRFS4620PBF is usually 5 days.
3.What payment methods are accepted for IRFS4620PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRFS4620PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRFS4620PBF?
IRFS4620PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRFS4620PBF 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 IRFS4620PBF?
For technical support, including IRFS4620PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRFS4620PBF requirements.
6.How does Aetrix verify that IRFS4620PBF is sourced from the original manufacturer or authorized distributors?
All IRFS4620PBF 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 IRFS4620PBF meets industry standards.
7.What is the process for return or replacement of IRFS4620PBF?
All IRFS4620PBF units undergo pre-shipment inspection (PSI). If there is an issue with IRFS4620PBF, 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 IRFS4620PBF part is unused and in its original packaging.
Return procedure for IRFS4620PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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