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IR4427S
Low-side dual independent gate-driver IC for MOSFET and IGBT switching
Specifications
Key details
| Part Number | IR4427S |
|---|---|
| Manufacturer | Infineon Technologies |
| Category | Gate Driver |
| Lifecycle Status | Obsolete |
| Series | IR4427 |
| Package / Case | 8-pin SOIC |
| Pin Count | 8 |
| Operating Temperature | -40°C to +125°C junction |
| Last Verified | 2026-07-22 |
Overview
Part information
IR4427S Overview
IR4427S is a Infineon Technologies Low-side dual independent gate-driver IC for MOSFET and IGBT switching supplied in 8-pin SOIC. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Voltage Class | Low-side |
|---|---|
| Driver Channels | dual independent |
| Peak Output Current | 1.5 A source / 1.5 A sink class |
| Gate Supply | 10 V to 20 V |
| Protection / Control | Non-inverting low-side outputs |
Package and Ordering Notes
The listed package is 8-pin SOIC with 8 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
IR4427S is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Infineon Technologies documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
IR4427S FAQ
What is IR4427S?
IR4427S is a Infineon Technologies Low-side dual independent gate-driver IC for MOSFET and IGBT switching. It belongs to the IR4427 series.
What are the key specifications of IR4427S?
Voltage Class is Low-side, and Driver Channels is dual independent. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does IR4427S use?
IR4427S is supplied in 8-pin SOIC with 8 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is IR4427S still in production?
IR4427S is obsolete or discontinued. Any remaining stock should be checked for traceability, date code, package marking and storage history.
What should be checked before sourcing IR4427S?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include 2EDN-series dual low-side gate driver after verifying polarity, current and pinout, but compatibility must be verified independently.
Sourcing notes
Lifecycle and sourcing review
Obsolete
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
IR4427S is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.