High-voltage MOSFETs Shrink Package Size

The new 200-V-rated P-channel MOSFETs in SOT23 and SOT223 packages from Zetex reduce the size of active clamp designs. Two miniature devices are initially offered, the ZXMP2120E5 in the 5-pinned SOT23 and the ZXMP2120G4 in the 4-pinned SOT223. The ...
Jan. 3, 2006

The new 200-V-rated P-channel MOSFETs in SOT23 and SOT223 packages from Zetex reduce the size of active clamp designs. Two miniature devices are initially offered, the ZXMP2120E5 in the 5-pinned SOT23 and the ZXMP2120G4 in the 4-pinned SOT223. The inter-pin spacing of both package outlines have been maximized to maintain resistance to high-voltage creepage.

In addition, the low gate capacitance P-channel process used in the MOSFETs’ manufacture ensures that ringing is reduced during the switching transient and very low noise performance is achieved.

Because P-channel circuitry is simpler to implement than N-channel, the ZXMP2120 MOSFETs enables designers to produce lower-cost active clamps in smaller form factor 48-V dc-dc forward converters in telecom and server applications.

The 10,000-piece prices of the SOT223 and SOT23 packaged ZXMP2120 MOSFETs are $0.23 and $0.20 each, respectively.

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