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AUIRFS8409-7P
automotive 40 V N-channel power MOSFET with very low on-resistance
Specifications
Key details
| Part Number | AUIRFS8409-7P |
|---|---|
| Manufacturer | Infineon Technologies |
| Category | Power MOSFET |
| Lifecycle Status | Obsolete |
| Series | AUIRFS8409 |
| Package / Case | 7-lead D2PAK |
| Pin Count | 7 |
| Operating Temperature | -55°C to +175°C junction |
| Last Verified | 2026-07-18 |
Overview
Part information
AUIRFS8409-7P Overview
AUIRFS8409-7P is a Infineon Technologies automotive 40 V N-channel power MOSFET with very low on-resistance supplied in 7-lead D2PAK. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Drain-Source Voltage | 40 V |
|---|---|
| RDS(on) | 0.75 mΩ max |
| Continuous Drain Current | 240 A package limited |
| Qualification | AEC-Q101 |
| Polarity | N-channel |
Package and Ordering Notes
The listed package is 7-lead D2PAK with 7 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
AUIRFS8409-7P is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.
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.
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.
AUIRFS8409-7P is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.