IRF640NPBF vs IRFB7437PBF Comparison
Detailed side-by-side comparison of IRF640NPBF by Infineon and IRFB7437PBF by Infineon. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | IRF640NPBF | IRFB7437PBF |
|---|---|---|
| Brand | Infineon | Infineon |
| Category | MOSFETs | MOSFETs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.88 | $0.92 |
| Drain-to-Source Voltage (VDS) | 200 V | — |
| Continuous Drain Current (ID) at Tc | 18 A | — |
| Pulsed Drain Current (IDM) | [DATA_NEEDED: pulsed drain current] | [DATA_NEEDED: pulsed drain current value] |
| Gate-to-Source Voltage (VGS) max | ±20 V | — |
| Static Drain-to-Source On-Resistance (RDS(on)) | 150 mOhm max at VGS = 10 V | — |
| Power Dissipation (PD) at Tc=25C | 150 W | — |
| Total Gate Charge (Qg) | 44.7 nC | 150 nC |
| Operating Junction Temperature | -55C to +150C | -55°C to +175°C |
| Technology | HEXFET (5th Generation) | StrongIRFET™, N-Channel Trench MOSFET |
| Transistor Type | N-Channel Enhancement Mode | — |
| Package | TO-220AB (through-hole, 3-pin) | TO-220AB (through-hole, 3 leads) |
| Mounting Type | Through Hole | Through Hole |
| Avalanche Energy Rated | Yes | — |
| dv/dt Rating | Dynamic, rated | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes (PBF suffix) | — |
| Manufacturer | Infineon (formerly International Rectifier) | Infineon (formerly International Rectifier) |
| Drain-Source Voltage (VDS) | — | 40 V |
| Continuous Drain Current (ID, Tc=25°C) | — | 195 A |
| Silicon-Limited Drain Current | — | 250 A |
| R_DS(on) typ @ VGS=10V | — | 1.5 mΩ |
| R_DS(on) max @ VGS=10V | — | 2.0 mΩ |
| Gate-Source Threshold Voltage (VGS(th) typ) | — | 3.0 V (1.7 V min, 3.9 V max per datasheet family) |
| Miller Plateau Charge (Qgd) | — | 49 nC |
| Power Dissipation (PD @ Tc=25°C) | — | 230 W |
| Thermal Resistance Junction-to-Case (RθJC) | — | 0.62 °C/W |
| Lead Finish | — | Lead-free (PBF - Pb-free plating) |
| MSL Level | — | Not Applicable (through-hole package) |
| AEC-Q101 Automotive | — | Not qualified (industrial/consumer) |