IRF7343PBF International Rectifier Integrated Circuit (Small Outline Packages) In Stock
IRF7343PBF is a dual N-channel MOSFET in SO-8 package with 55 V breakdown voltage, 4.7 A drain current, and 0.05 Ω on-resistance. Avalanche rated with high reliability. Available from $0.50 in stock worldwide shipping.
- Manufacturer
- International Rectifier
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- IRF7343PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2171(MOQ 1)
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual N-channel MOSFET with separate 2-element configuration and built-in diodes
- 55 V DS breakdown voltage for robust circuit protection
- Ultra-low 0.05 Ω drain-source on-resistance for minimal conduction losses
- 4.7 A max drain current supporting compact power switching designs
- Avalanche rated with 72 mJ energy rating for reliable transient protection
- SO-8 (MS-012AA) package enabling high-density PCB layouts
Applications
The IRF7343PBF is well-suited for dual-channel load switching, DC motor control, and battery management circuits requiring compact footprints. Its low on-resistance and avalanche energy rating make it ideal for portable device power rails and synchronous rectification stages. It is also used in notebook computers and handheld electronics where space-efficient dual MOSFET integration is critical.
Specifications
| YTEOL | 0 |
| Additional Feature | AVALANCHE RATED, HIGH RELIABILITY |
| Avalanche Energy Rating (Eas) | 72mJ |
| Configuration | SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 55V |
| Drain Current-Max (ID) | 4.7A |
| Drain-source On Resistance-Max | 0.05Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR |
| JEDEC-95 Code | MS-012AA |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Elements | 2 |
| 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 AND P-CHANNEL |
| Power Dissipation-Max (Abs) | 2W |
| Pulsed Drain Current-Max (IDM) | 38A |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum drain-source on-resistance of the IRF7343PBF and why does it matter for power efficiency?
The IRF7343PBF has a maximum drain-source on-resistance (RDS(on)) of 0.05 Ω, which is very low. This minimizes conduction losses during switching, improving efficiency in battery-powered and portable designs running at 4.7 A drain current.
How does the 72 mJ avalanche energy rating of IRF7343PBF protect circuits from voltage transients?
The 72 mJ avalanche energy rating means the IRF7343PBF can safely absorb unclamped inductive switching transients without failing. This makes it suitable for inductive load applications such as motor drives and solenoid controls where voltage spikes up to 55 V may occur.
In what dual-channel applications can the IRF7343PBF replace two discrete MOSFETs?
The IRF7343PBF integrates two separate N-channel MOSFET elements with built-in diodes in a single SO-8 package with 8 pins, replacing two discrete components. It is commonly used in H-bridge motor control, load switches, and dual-supply power management circuits operating up to 55 V.
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Why Buy from FindMyChip
About International Rectifier
International Rectifier is a leading electronic component manufacturer. FindMyChip sources International Rectifier ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from International Rectifier
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1250 | $1.13 |
| 18+ | $0.7500 | $13.50 |
| 25+ | $0.4500 | $11.25 |
| 855+ | $0.2347 | $200.67 |
| 1110+ | $0.2259 | $250.75 |
| 1385+ | $0.2171 | $300.68 |
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