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| Part Number | IRF740A | IRF740B | IRF740R | IRF740S | IRF740AS | IRF740AL | IRF740L | IRF730A | IRF740 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Harris Corporation | Vishay Siliconix | Vishay Siliconix | Vishay Siliconix | Vishay Siliconix | Vishay Siliconix | Vishay Siliconix |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| FET Type | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 400 V | 400 V | 400 V | 400 V | 400 V | 400 V | 400 V | 400 V | 400 V |
| Current - Continuous Drain (Id) @ 25°C | 10A (Tc) | 10A (Tc) | 10A (Tc) | 10A (Tc) | 10A (Tc) | 10A (Tc) | 10A (Tc) | 5.5A (Tc) | 10A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 10V | 10V | 10V | 10V | 10V | 10V | 10V | 10V |
| Rds On (Max) @ Id, Vgs | 550mOhm @ 6A, 10V | 540mOhm @ 5A, 10V | 550mOhm @ 5.2A, 10V | 550mOhm @ 6A, 10V | 550mOhm @ 6A, 10V | 550mOhm @ 6A, 10V | 550mOhm @ 6A, 10V | 1Ohm @ 3.3A, 10V | 550mOhm @ 6A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA | 4V @ 250µA | 4.5V @ 250µA | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 36 nC @ 10 V | 53 nC @ 10 V | 63 nC @ 10 V | 63 nC @ 10 V | 36 nC @ 10 V | 36 nC @ 10 V | 39 nC @ 10 V | 22 nC @ 10 V | 63 nC @ 10 V |
| Vgs (Max) | ±30V | ±30V | ±20V | ±20V | ±30V | ±30V | ±20V | ±30V | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 1030 pF @ 25 V | 1800 pF @ 25 V | 1250 pF @ 25 V | 1400 pF @ 25 V | 1030 pF @ 25 V | 1030 pF @ 25 V | 1100 pF @ 25 V | 600 pF @ 25 V | 1400 pF @ 25 V |
| FET Feature | - | - | - | - | - | - | - | - | - |
| Power Dissipation (Max) | 125W (Tc) | 134W (Tc) | 125W (Tc) | 3.1W (Ta), 125W (Tc) | 3.1W (Ta), 125W (Tc) | 3.1W (Ta), 125W (Tc) | - | 74W (Tc) | 125W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | - | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount | Surface Mount | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | TO-220AB | TO-220-3 | TO-220 | D²PAK (TO-263) | D²PAK (TO-263) | I2PAK | TO-220AB | TO-220AB | TO-220AB |
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | TO-262-3 Long Leads, I²Pak, TO-262AA | TO-220-3 | TO-220-3 | TO-220-3 |
