International Rectifier IRF6662TRPBF
- Part No.:
- IRF6662TRPBF
- Manufacturer:
- International Rectifier
- Category:
- FETs, MOSFETs
- Package:
- DirectFET™ Isometric MZ
- Datasheet:
-
IRF6662TRPBF.pdf
- Description:
- IRF6662 - 12V-300V N-CHANNEL POW
- Quantity:
- Payment:

- Shipping:

Inventory:9,114
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Product details
Overview
IRF6662TRPBF from International Rectifier is a DirectFET / HEXFET power MOSFET supplied in the DirectFET™ Isometric MZ package. The device is used as a n-channel. switching element where drain-source voltage rating, conduction loss, gate charge, avalanche behavior, and package thermal resistance must be matched to the circuit.
For engineers reviewing the IRF6662TRPBF datasheet, IRF6662TRPBF pinout, IRF6662TRPBF application, or IRF6662TRPBF equivalent, this device is commonly used in power load switching, dc-dc converter stages, motor and inductive load control, and repair and bom continuity designs. For engineers comparing IRF6662TRPBF against other MOSFETs, the useful checks are polarity, package, gate-drive requirement, thermal path, and switching-loss behavior. The bulk supply entry and package style should be confirmed before using it as a direct BOM replacement.
Technical Context
In a switching circuit, IRF6662TRPBF may serve as a low-side switch, high-side device, synchronous rectifier, motor-control transistor, battery-path switch, or converter power device depending on polarity and topology. The package tab or exposed pad normally carries the drain connection and dominates the thermal path.
DirectFET low-profile package with a short current path and low package inductance; layout should follow the recommended footprint and thermal recommendations. Gate-drive selection should account for total gate charge, Miller plateau behavior, switching frequency, and allowable VGS range; using only RDS(on) to compare MOSFETs can lead to excessive switching loss or poor transient behavior.
Thermal validation is required at the final load current because rated current values assume defined case or board conditions. For inductive loads, the avalanche rating, body-diode recovery, clamp network, and safe operating area should be checked with the actual load profile.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | DirectFET / HEXFET power MOSFET. |
| Package | DirectFET™ Isometric MZ; DirectFET low-profile package designed for low parasitic inductance, short current loops, and high-density power layouts. |
| MOSFET Polarity | N-channel. |
| Gate Charge | specified gate charge value for drive-loss calculation. |
| Temperature Class | power MOSFET junction temperature class. |
| Qualification | standard International Rectifier / Infineon power MOSFET family. |
Pinout & Package
The IRF6662TRPBF pinout must be reviewed from the exact package drawing because terminal function, thermal path, and mechanical footprint are linked in this product family. DirectFET™ Isometric MZ package information and Bulk packaging for this line.
For PCB design, use the package drawing and confirm copper area, soldering method, creepage or clearance where applicable, and the final orderable suffix before layout or replacement approval. DirectFET low-profile package with a short current path and low package inductance; layout should follow the recommended footprint and thermal recommendations.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| Gate | control terminal driven by a gate driver, MCU driver stage, or PWM controller; gate resistance and Miller behavior affect EMI and switching loss. |
| Drain / Tab | main switching terminal and usually the exposed tab or package thermal path; route with low resistance and adequate copper area. |
| Source | current-return terminal and gate-drive reference; source inductance affects switching stability and voltage overshoot. |
| Body Diode | intrinsic diode must be reviewed for freewheel, synchronous rectification, reverse-current, and avalanche-related operation. |
| Package Thermal Path | DirectFET low-profile package with a short current path and low package inductance; layout should follow the recommended footprint and thermal recommendations. |
Key Features
- N-channel. power MOSFET for switching and power-control circuits.
- Drain-source voltage rating must be checked against bus and transient conditions.
- RDS(on) and package thermal path determine conduction-loss and temperature rise.
- Gate charge and Miller behavior should be checked for switching-frequency and driver selection.
- Body-diode, avalanche, and SOA behavior should be reviewed for inductive or reverse-current paths.
- DirectFET™ Isometric MZ package controls PCB footprint, soldering method, and heat spreading.
Applications
| Power Load Switching | DC-DC Converter Stages |
|---|---|
|
Use Scenario: DC load switches, battery paths, distribution outputs, lamps, motors, and heaters. IC Role: IRF6662TRPBF operates as the power MOSFET switching element in the current path. Use Value: Provides efficient solid-state switching when voltage, current, and thermal margins are validated. |
Use Scenario: Buck, boost, synchronous rectifier, and point-of-load converter power sections. IC Role: IRF6662TRPBF handles switching or rectification current with losses set by RDS(on), gate charge, and package thermal resistance. Use Value: Supports compact conversion designs when driver strength and switching frequency are matched. |
| Motor and Inductive Load Control | Repair and BOM Continuity |
|
Use Scenario: PWM motor drives, solenoids, relays, fans, and pump outputs. IC Role: IRF6662TRPBF switches inductive current and must be coordinated with freewheel, clamp, or avalanche paths. Use Value: Improves controllability of inductive loads after transient energy and SOA checks. |
Use Scenario: Legacy International Rectifier MOSFET footprints in industrial, automotive, or power-supply boards. IC Role: IRF6662TRPBF provides the package-specific replacement reference. Use Value: Reduces redesign work when the exact pinout, package, and electrical rating are confirmed. |
Equivalent & Alternatives
When evaluating IRF6662TRPBF equivalent devices, engineers should compare only specific orderable alternatives and should verify package footprint, pinout, electrical ratings, thermal data, qualification status, and suffix or packing requirements before substitution.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IRF6662 | Same base family or close suffix variant; electrical function may be similar, while package, reel orientation, lead finish, or orderable code can differ. | Used when the existing design needs the same functional device with a different supply or assembly code. | Compare IRF6662 against IRF6662TRPBF for package drawing, suffix meaning, tape orientation, and documentation revision. |
| AUIRF9952QTR | Related International Rectifier / Infineon orderable device; electrical ratings, package, and protection behavior may differ. | Used as a possible functional alternative in redesigned or revalidated circuits. | Use only after comparing AUIRF9952QTR and IRF6662TRPBF electrical ratings, package, pinout, and thermal behavior; do not assume drop-in compatibility. |
| IRF6802SDTRPBF | Related International Rectifier / Infineon orderable device; electrical ratings, package, and protection behavior may differ. | Used as a possible functional alternative in redesigned or revalidated circuits. | Use only after comparing IRF6802SDTRPBF and IRF6662TRPBF electrical ratings, package, pinout, and thermal behavior; do not assume drop-in compatibility. |
| IRFH4257DTRPBF | Related International Rectifier / Infineon orderable device; electrical ratings, package, and protection behavior may differ. | Used as a possible functional alternative in redesigned or revalidated circuits. | Use only after comparing IRFH4257DTRPBF and IRF6662TRPBF electrical ratings, package, pinout, and thermal behavior; do not assume drop-in compatibility. |
Compared with related alternatives, IRF6662TRPBF should remain the preferred sourcing reference when the existing BOM, PCB footprint, and qualification documentation require the exact International Rectifier orderable device.
Quality
IRF6662TRPBF should be sourced as original International Rectifier / Infineon inventory through traceable and controlled supply channels. Quality verification may include package inspection, top-mark validation, label and lot review, solderability inspection, moisture-sensitivity handling review, and electrical screening according to the target production requirement.
Because IRF6662TRPBF is used in power switching and converter circuits, final validation should include the actual PCB footprint, thermal path, electrical stress, operating temperature, and fault-condition behavior. Traceable sourcing helps reduce counterfeit risk and supports repeatable performance in production, repair, and maintenance programs.
Availability
IRF6662TRPBF available at Aetrix Electronics and suitable for power switching and converter circuits requiring stable component supply, package matching, and controlled replacement planning.
Supply support may include scheduled delivery planning, volume procurement support, BOM continuity assistance, traceable sourcing management, and long-term availability support for OEM manufacturers, repair programs, and electronics production teams.
For production or repair deployment, confirming package type, orderable suffix, lifecycle status, environmental requirement, electrical rating, thermal condition, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.
Manufacturer
International Rectifier was a semiconductor manufacturer known for power MOSFETs, IGBTs, gate drivers, power-management ICs, intelligent power switches, photovoltaic relays, and power modules. International Rectifier products became part of Infineon Technologies' power semiconductor portfolio after the acquisition of International Rectifier.
The IRF6662TRPBF ordering line should be reviewed with the relevant International Rectifier legacy technical documentation and Infineon supply-chain references where available. This is especially important for legacy MOSFETs, IRAM modules, PV relay products, and automotive AUIR power devices.
FAQ
What is IRF6662TRPBF used for?
IRF6662TRPBF is used in power switching and converter circuits. The exact application depends on the technical documentation electrical ratings, package, pinout, and thermal capability.
Where can I find the IRF6662TRPBF technical documentation?
The IRF6662TRPBF technical documentation should be obtained from International Rectifier / Infineon documentation or an authorized technical documentation source. It should be used to confirm ratings, package information, pinout, thermal data, and test conditions.
What should be considered in IRF6662TRPBF pinout design?
Pinout design should confirm the package drawing, terminal functions, thermal path, high-current routing or isolation spacing, and whether the orderable suffix changes package or packing details.
Can IRF6662TRPBF be used as a direct replacement?
IRF6662TRPBF can be used as a direct replacement only when the package footprint, pinout, electrical ratings, thermal behavior, and qualification status match the original design.
What are common IRF6662TRPBF equivalent solutions?
Equivalent solutions should be limited to specific orderable devices with verified technical documents. Suffix variants may differ in package, reel orientation, lead finish, qualification, or manufacturing status.
IRF6662TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- International Rectifier
- Series:
- HEXFET®
- Package/Case:
- DirectFET™ Isometric MZ
- Packaging:
- Bulk
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 100 V
- Current - Continuous Drain (Id) @ 25°C:
- 8.3A (Ta), 47A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 22mOhm @ 8.2A, 10V
- Vgs(th) (Max) @ Id:
- 4.9V @ 100µA
- Gate Charge (Qg) (Max) @ Vgs:
- 31 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1360 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 2.8W (Ta), 89W (Tc)
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DIRECTFET™ MZ
IRF6662TRPBF FAQ
1.How can I place an order for IRF6662TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IRF6662TRPBF 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 IRF6662TRPBF reliable?
The price and inventory of IRF6662TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IRF6662TRPBF is usually 5 days.
3.What payment methods are accepted for IRF6662TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IRF6662TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IRF6662TRPBF?
IRF6662TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IRF6662TRPBF 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 IRF6662TRPBF?
For technical support, including IRF6662TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IRF6662TRPBF requirements.
6.How does Aetrix verify that IRF6662TRPBF is sourced from the original manufacturer or authorized distributors?
All IRF6662TRPBF 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 IRF6662TRPBF meets industry standards.
7.What is the process for return or replacement of IRF6662TRPBF?
All IRF6662TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IRF6662TRPBF, 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 IRF6662TRPBF part is unused and in its original packaging.
Return procedure for IRF6662TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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