IRFB7437PBF vs IRF640NPBF Comparison

Detailed side-by-side comparison of IRFB7437PBF by Infineon and IRF640NPBF 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 IRFB7437PBF IRF640NPBF
Brand Infineon Infineon
Category MOSFETs MOSFETs
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.92 $0.88
Manufacturer Infineon (formerly International Rectifier) Infineon (formerly International Rectifier)
Technology StrongIRFET™, N-Channel Trench MOSFET HEXFET (5th Generation)
Drain-Source Voltage (VDS) 40 V —
Continuous Drain Current (ID, Tc=25°C) 195 A —
Silicon-Limited Drain Current 250 A —
Pulsed Drain Current (IDM) [DATA_NEEDED: pulsed drain current value] [DATA_NEEDED: pulsed drain current]
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) —
Total Gate Charge (Qg) 150 nC 44.7 nC
Miller Plateau Charge (Qgd) 49 nC —
Power Dissipation (PD @ Tc=25°C) 230 W —
Operating Junction Temperature -55°C to +175°C -55C to +150C
Thermal Resistance Junction-to-Case (RθJC) 0.62 °C/W —
Package TO-220AB (through-hole, 3 leads) TO-220AB (through-hole, 3-pin)
Mounting Type Through Hole Through Hole
Lead Finish Lead-free (PBF - Pb-free plating) —
RoHS Status Compliant Compliant
MSL Level Not Applicable (through-hole package) —
AEC-Q101 Automotive Not qualified (industrial/consumer) —
Drain-to-Source Voltage (VDS) — 200 V
Continuous Drain Current (ID) at Tc — 18 A
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
Transistor Type — N-Channel Enhancement Mode
Avalanche Energy Rated — Yes
dv/dt Rating — Dynamic, rated
Lead-Free — Yes (PBF suffix)

Datasheets & Resources

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