# IRLB8743PBF Infineon Technologies | Discrete Semiconductor Products | DigiKey

**Manufacturer:** Infineon Technologies  
**MPN:** `IRLB8743PBF`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Infineon Technologies |
| Manufacturer name | Infineon Technologies |
| Manufacturer | Infineon Technologies, INFINEON |
| Extra Product Name | IRLB8743PBF Infineon Technologies \| Discrete Semiconductor Products \| DigiKey |
| atoms | 1 |
| minimum | 1 |
| moq | 1 |
| MPN | IRLB8743PBF |
| multiple | 1 |
| qtyInStock | 4540 |
| SKU | IRLB8743PBF-ND |
| EAN | 2050001542090, 7445410427499 |
| Part Number | IRLB8743PBF |
| Model | IRLB8743PBF |
| Product Group | CE |
| Mfr | Infineon Technologies |
| Part Status | Active |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Current - Continuous Drain (Id) @ 25?C | 78A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Rds On (Max) @ Id, Vgs | 3.2mOhm @ 40A, 10V |
| Vgs(th) (Max) @ Id | 2.35V @ 100?A |
| Vgs (Max) | ?20V |
| FET Feature | - |
| Power Dissipation (Max) | 140W (Tc) |
| Operating Temperature | -55?C ~ 175?C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | TO-220AB |
| Package / Case | TO-220-3 |
| Drain to Source Voltage (Vdss) | 30 V |
| Gate Charge (Qg) (Max) @ Vgs | 54 nC @ 4.5 V |
| Input Capacitance (Ciss) (Max) @ Vds | 5110 pF @ 15 V |
| ASIN | B071CJJQJM, B0731PD6RX, B07PQ9J7T6 |
| AdultProduct | False |
| Asin | B071CJJQJM, B0731PD6RX, B07PQ9J7T6 |
| Aspect | exception, proper_shipping_name, transportation_regulatory_class |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Electronics |
| Brand | Infineon Technologies |
| Case | 1, 25 |
| Cat | Electronics, Industrial & Scientific |
| CatId | 16310091, 172282 |
| CatTree | 16310091, 16310161, 172282, 306506011, 306831011, 306910011 |
| ClassificationId | 306919011 |
| DisplayName | MOSFET |
| EANList | 2050001542090, 7445410427499 |
| Hazmat | 3, AE_NoAir, AU_NoAir, BR_NoAir, CA_NoAir, CN_NoAir, DE_NoAir, EG_NoAir, ES_NoAir, FR_NoAir, GB_NoAir, IN_NoAir, IT_NoAir, JP_NoAir, MX_NoAir, NL_NoAir, PL_NoAir, SA_NoAir, SE_NoAir, SG_NoAir, TR_NoAi |
| Height | 1000, 243, 500, 56, 75 |
| Identifier | 2050001542090 |
| IdentifierType | EAN |
| IsDeadAsin | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | INFINEON IRLB8743PBF Discretes mosfets Single N-Channel 30 V 140 W 36 nC Hexfet Power Mosfet Flange Mount - TO-220AB - 25 item(s), Mosfet Mosft 30V 78A 3.2Mohm 36Nc Qg |
| Item_name | INFINEON IRLB8743PBF Discretes mosfets Single N-Channel 30 V 140 W 36 nC Hexfet Power Mosfet Flange Mount - TO-220AB - 25 item(s), Mosfet Mosft 30V 78A 3.2Mohm 36Nc Qg |
| Item_package_quantity | 1 |
| Item_type_keyword | mosfet-transistors |
| Item_weight | 0.01 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | IRLB8743PBF-ND |  |  | 4540 | 1 |
| Newark | 25R4662 | 1.08 | 1 | 2448 | 1 |
| Allied Electronics | 70019228 |  |  | None | 900 |
| Win Source | IRLB8743PBF | 1.46 | 1 | 1002 | 20 |
| RS Delivers | 913-4045 | 1.61 | 1 | None | 1 |
| AmazonTP | B07PQ9J7T6 | 48.0 | 1 | None | 1 |
| AmazonSC | B0731PD6RX |  |  | None | 1 |
| TME | IRLB8743PBF | 1.05 | 1 | None | 1 |
| Digi-Key | 2127671 | 1.848 | 1 | 2351 | 1 |
| Arrow | IRLB8743PBF | 1.267 | 1 | 40 | 1 |
| Mouser | 942-IRLB8743PBF | 1.33 | 1 | 4903 | 1 |
| RS Delivers | 725-9325 | 1.791 | 1 | None | 1 |
| RS Delivers | 725-9325P | 2.043 | 1 | None | 1 |
| us.rs-online.com | 70019228 | 1.76 | 1 | None | 900 |

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