IRFR3708TRPBF Infineon MOSFET (N-Channel) (Other) In Stock
The IRFR3708TRPBF is an N-Channel HEXFET Power MOSFET with 30 V drain-source voltage, 30 A continuous drain current, and 12.5 mΩ on-resistance. It features fast switching and low gate charge of 24 nC, making it ideal for DC-DC converters, motor drives, and load switching applications.
- Manufacturer
- Infineon
- Package
- Other
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- IRFR3708TRPBF Datasheet PDF
- Category
- MOSFET (N-Channel)
- Temp Range
- -55.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 30 V drain-source breakdown voltage with 30 A continuous drain current for robust power handling
- Ultra-low 12.5 mΩ Rds(on) minimizes conduction losses in high-efficiency power designs
- Low 24 nC total gate charge enables fast switching in DC-DC converters and motor control
- Built-in body diode provides freewheeling capability without external components
- DPAK (TO-252AA) surface-mount package simplifies PCB layout and thermal management
Applications
The IRFR3708TRPBF is well-suited for synchronous DC-DC buck and boost converters operating at 30 V and below. Its low on-resistance and fast switching characteristics make it a strong choice for motor drive circuits, battery management systems, and ORing applications. The surface-mount DPAK package enables compact, high-power-density designs in consumer electronics, industrial automation, and telecom power supplies.
Specifications
| YTEOL | 0 |
| Avalanche Energy Rating (Eas) | 213mJ |
| Case Connection | DRAIN |
| Configuration | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 30V |
| Drain Current-Max (ID) | 30A |
| Drain-source On Resistance-Max | 0.0125Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | 52pF |
| JEDEC-95 Code | TO-252AA |
| JESD-30 Code | R-PSSO-G2 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Operating Mode | ENHANCEMENT MODE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Polarity/Channel Type | N-CHANNEL |
| Power Dissipation-Max (Abs) | 87W |
| Pulsed Drain Current-Max (IDM) | 244A |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Form | GULL WING |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum drain current the IRFR3708TRPBF can handle continuously?
The IRFR3708TRPBF supports a continuous drain current of 30 A at 25°C, with a pulsed drain current rating of 120 A. This makes it suitable for power conversion stages requiring robust current handling in a compact DPAK package.
How does the 12.5 mΩ on-resistance of IRFR3708TRPBF affect power loss in a DC-DC converter?
At 12.5 mΩ Rds(on) maximum, conduction losses at 30 A are approximately 11.25 W (I²R), enabling high conversion efficiency in synchronous buck designs. This low resistance also reduces heat dissipation and allows operation without large heatsinks in many applications.
Is IRFR3708TRPBF a RoHS-compliant, lead-free component suitable for modern PCB assembly?
Yes, the TRPBF suffix in IRFR3708TRPBF denotes a RoHS-compliant, lead-free device rated for MSL 1 moisture sensitivity. It is compatible with standard reflow soldering processes and meets environmental requirements for consumer and industrial products operating from -55°C to 175°C.
When would IRFR3708TRPBF be preferred over a higher-voltage MOSFET in a motor drive design?
In 12 V or 24 V motor drive designs, a 30 V rated device like the IRFR3708TRPBF offers lower Rds(on) than higher-voltage alternatives, directly improving efficiency. Choosing the lowest adequate voltage rating — with sufficient margin — minimizes on-resistance and switching losses while the 30 A rating handles most small motor drive currents.
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