Littelfuse/Commercial Vehicle Products

Polar™ P-Channel MOSFETS are fabricated using our Polar technology platform, which significantly reduces the on-state resistance (RDSon) by 30% and gate charge (Qg) by 40% in comparison to legacy counterparts, resulting in lower conduction loss and providing excellent switching performance. They are dynamic dv/dt and avalanche rated making them extremely rugged in demanding operating environments and can easily be paralleled due to an on-state resistance with positive temperature coefficient. These MOSFETs are ideal in a variety of applications, with best-in-class performance and competitive pricing. Applications include push-pull amplifiers, buck converters, DC choppers, power solid state relays, CMOS high power amplifiers, high current regulators, and high side switching in automotive and test equipment. The superior ruggedness of the Polar P-Channel Power MOSFETs also makes them suitable devices for motor control and power cut-off switches or power SSRs for energy saving applications. Advantages: Low gate charge results in simple drive requirement High power density Easy to parallel Fast switching

When Power MOSFETs are used in the linear-mode operation, as opposed to their conventional switch-mode one, they are required to endure substantially high thermal and electrical stresses due to the simultaneous occurrence of high drain voltages and currents; these extreme stresses can cause typical devices to fail. Littelfuse Linear MOSFETs have been designed to address these kinds of device failures – the FBSOAs are "extended" when the positive feedback of electro-thermal instability is suppressed, giving rise to larger "operating windows." The FBSOAs are guaranteed at 75°C.

These devices are offered with drain-to-source voltage ratings from 40V to 170V and provide high current capabilities of up to 600 Amperes (Tc=@25oC). The combined high current ratings of these devices and available compact package options provide designers the ability to control more power within a smaller footprint. Furthermore, these devices promote device consolidation through the reduction or elimination of multiple paralleled lower current rated MOSFET devices in high power switching applications. The resultant effect is a reduction in part count, as well as the number of required drive components, thus improving upon over-all system simplicity, reliability, and cost. Advantages: Eliminates multiple paralleled lower current rated MOSFET devices Provides the ability to control more power within a smaller footprint Improves overall system reliability and cost

These devices are offered with drain-to-source voltage ratings from 40V to 170V and provide high current capabilities of up to 600 Amperes (Tc=@25oC). The combined high current ratings of these devices and available compact package options provide designers the ability to control more power within a smaller footprint. Furthermore, these devices promote device consolidation through the reduction or elimination of multiple paralleled lower current rated MOSFET devices in high power switching applications. The resultant effect is a reduction in part count, as well as the number of required drive components, thus improving upon over-all system simplicity, reliability, and cost. Advantages: Eliminates multiple paralleled lower current rated MOSFET devices Provides the ability to control more power within a smaller footprint Improves overall system reliability and cost

Tailored specifically for applications requiring Power MOSFETs to operate in their current saturation regions, these unique devices feature low thermal resistances, high power density, and extended Forward Bias Safe Operating Areas (FBSOA). When Power MOSFETs are utilized in linear-mode operation, as opposed to their conventional switch-mode one, they are required to endure substantially high thermal and electrical stresses due to the simultaneous occurrence of high drain voltages and currents; these extreme stresses can cause typical devices to fail. Littelfuse LinearL2™ Power MOSFETs have been designed to address these kinds of device failures – the FBSOAs are "extended" when the positive feedback of electro-thermal instability is suppressed, giving rise to larger "operating windows." The FBSOAs are guaranteed at 75°C.

Polar™ P-Channel MOSFETS are fabricated using our Polar technology platform, which significantly reduces the on-state resistance (RDSon) by 30% and gate charge (Qg) by 40% in comparison to legacy counterparts, resulting in lower conduction loss and providing excellent switching performance. They are dynamic dv/dt and avalanche rated making them extremely rugged in demanding operating environments and can easily be paralleled due to an on-state resistance with positive temperature coefficient. These MOSFETs are ideal in a variety of applications, with best-in-class performance and competitive pricing. Applications include push-pull amplifiers, buck converters, DC choppers, power solid state relays, CMOS high power amplifiers, high current regulators, and high side switching in automotive and test equipment. The superior ruggedness of the Polar P-Channel Power MOSFETs also makes them suitable devices for motor control and power cut-off switches or power SSRs for energy saving applications. Advantages: Low gate charge results in simple drive requirement High power density Easy to parallel Fast switching

Depletion mode MOSFETs, unlike the regular enhancement type MOSFETs, require a negative gate bias to turn off. Consequently they remain on at or above zero gate bias voltage but otherwise have similar MOSFET like characteristics. They are suitable for level shifting, solid state relays, current regulators, and active loads.

Polar™ Standard Power MOSFETs are tailored to provide designers with a device solution that offers the best compromise between performance and cost. These devices incorporate the Polar technology platform to achieve low on-state resistances (Rdson). Polar Standard MOSFETs feature low gate charge Qg values, resulting in more efficient switching at all frequencies. This gives the designer the option to operate at higher frequencies, which enables the use of smaller passive components in a variety of load switching designs. The avalanche capabilities of these devices add an additional safeguard against over-voltage transients. Advantages: Easy to mount Space savings High power density

The High Voltage series of N-Channel Standard MOSFETs are suitable for a wide variety of power switching systems, including high-voltage power supplies, capacitor discharge circuits, pulse circuits, and current regulators. Advantages: Easy to mount Space savings High power density

Polar™ Standard Power MOSFETs are tailored to provide designers with a device solution that offers the best compromise between performance and cost. These devices incorporate the Polar technology platform to achieve low on-state resistances (Rdson). Polar Standard MOSFETs feature low gate charge Qg values, resulting in more efficient switching at all frequencies. This gives the designer the option to operate at higher frequencies, which enables the use of smaller passive components in a variety of load switching designs. The avalanche capabilities of these devices add an additional safeguard against over-voltage transients. Advantages: Easy to mount Space savings High power density