onsemi QFET Type N-Channel MOSFET, 40 A, 250 V Enhancement, 3-Pin TO-3PN
- RS Stock No.:
- 145-5361
- Mfr. Part No.:
- FQA40N25
- Brand:
- onsemi
Subtotal (1 tube of 30 units)*
£47.22
(exc. VAT)
£56.67
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 420 unit(s) shipping from 29 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Tube* |
|---|---|---|
| 30 + | £1.574 | £47.22 |
*price indicative
- RS Stock No.:
- 145-5361
- Mfr. Part No.:
- FQA40N25
- Brand:
- onsemi
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | onsemi | |
| Product Type | MOSFET | |
| Channel Type | Type N | |
| Maximum Continuous Drain Current Id | 40A | |
| Maximum Drain Source Voltage Vds | 250V | |
| Package Type | TO-3PN | |
| Series | QFET | |
| Mount Type | Through Hole | |
| Pin Count | 3 | |
| Maximum Drain Source Resistance Rds | 70mΩ | |
| Channel Mode | Enhancement | |
| Typical Gate Charge Qg @ Vgs | 85nC | |
| Forward Voltage Vf | 1.5V | |
| Maximum Power Dissipation Pd | 280W | |
| Maximum Gate Source Voltage Vgs | 30 V | |
| Minimum Operating Temperature | -55°C | |
| Maximum Operating Temperature | 150°C | |
| Width | 5 mm | |
| Standards/Approvals | No | |
| Height | 18.9mm | |
| Length | 15.8mm | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand onsemi | ||
Product Type MOSFET | ||
Channel Type Type N | ||
Maximum Continuous Drain Current Id 40A | ||
Maximum Drain Source Voltage Vds 250V | ||
Package Type TO-3PN | ||
Series QFET | ||
Mount Type Through Hole | ||
Pin Count 3 | ||
Maximum Drain Source Resistance Rds 70mΩ | ||
Channel Mode Enhancement | ||
Typical Gate Charge Qg @ Vgs 85nC | ||
Forward Voltage Vf 1.5V | ||
Maximum Power Dissipation Pd 280W | ||
Maximum Gate Source Voltage Vgs 30 V | ||
Minimum Operating Temperature -55°C | ||
Maximum Operating Temperature 150°C | ||
Width 5 mm | ||
Standards/Approvals No | ||
Height 18.9mm | ||
Length 15.8mm | ||
Automotive Standard No | ||
QFET® N-Channel MOSFET, over 31A, Fairchild Semiconductor
Fairchild Semiconductors new QFET® Planar MOSFETs use advanced, proprietary technology to offer best-in-class operating performance for a wide range of applications, including power supplies, PFC (Power Factor Correction), DC-DC Converters, Plasma Display Panels (PDP), lighting ballasts, and motion control.
They offer reduced on-state loss by lowering on-resistance (RDS(on)), and reduced switching loss by lowering gate charge (Qg) and output capacitance (Coss). By using Advanced QFET® process technology, Fairchild can offer an improved figure of merit (FOM) over competing Planar MOSFET devices.
MOSFET Transistors, ON Semi
ON Semi offers a substantial portfolio of MOSFET devices that includes high-voltage (>250V) and low-voltage (<250V) types. The Advanced silicon technology provides smaller die sizes, which it is incorporated into multiple industry-standard and thermally-enhanced packages.
ON Semi MOSFETs provide superior design reliability from reduced voltage spikes and overshoot, to lower junction capacitance and reverse recovery charge, to elimination of additional external components to keep systems up and running longer.
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