IRF840 by Vishay Siliconix
N-Channel 500 V 8A (Tc) 125W (Tc) Through Hole TO-220AB
Component Details
- Part Number
IRF840- Manufacturer
- Vishay Siliconix
- DigiKey P/N
IRF840IR-ND- Lifecycle
- Obsolete
Stock & Pricing
- Distribution Stock
- Not available
- Lead Time
- 12 weeks
Specifications
| Parameter | Value |
|---|---|
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 8A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Rds On (Max) @ Id, Vgs | 850mOhm @ 4.8A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 63 nC @ 10 V |
| Vgs (Max) | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 1300 pF @ 25 V |
| Power Dissipation (Max) | 125W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | TO-220AB |
| Package / Case | TO-220-3 |
Datasheet
Download IRF840 Datasheet (PDF)Need the IRF840?
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Looking for the IRF840 by Vishay Siliconix? This n-channel 500 v 8a (tc) 125w (tc) through hole to-220ab is increasingly difficult to source through standard distribution channels. ICCorders specialises in sourcing hard-to-find and obsolete ICs with full traceability and testing.
The IRF840 is classified under Transistors in the Discrete Semiconductor Products category.
IRF840 Specifications
| Parameter | Value |
|---|---|
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V |
| Current – Continuous Drain (Id) @ 25°C | 8A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Rds On (Max) @ Id, Vgs | 850mOhm @ 4.8A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 63 nC @ 10 V |
| Vgs (Max) | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 1300 pF @ 25 V |
| Power Dissipation (Max) | 125W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | TO-220AB |
| Package / Case | TO-220-3 |
Availability & Supply Status
- Status: Obsolete – We Can Source
- Lifecycle: Obsolete
- Distribution Stock: Not available through standard distribution
- Standard Lead Time: 12 weeks
- Last Time Buy Date: 20 November 2015
Datasheet
Download the official IRF840 datasheet (PDF) for full electrical characteristics, pinout diagrams, and application notes.
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Data last verified: 3 weeks ago. Availability may have changed — check current stock.