Surface Mount Low Barrier Schottky Diode

Rev. V9

MA4E2054 Series

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Features

 Designed for High Volume, Low Cost Detector

and Mixer Applications

 High Detector Sensitivity: -55 dBm TSS

 Low Capacitance: 0.30 pF

 Low 1/F Noise

 Single, Series Pair, and Unconnected Pair

Configurations

 Lead Free (RoHS Compliant) Equivalents Avail-

able With 260 Deg. C Reflow Capability

 Tape and Reel

Description and Applications

The MA4E2054 series are low barrier n-type silicon

Schottky diodes assembled in low cost surface

mount plastic packages. They are designed for use

as high performance mixer and detector diodes.

These parts are offered with Sn/Pb plating, as well

as with 100 % matte Sn plating on the RoHS compliant part

numbers.

The MA4E2054 -1141T (SOD-323), MA4E20541 -1279

(SC-79) and the MA4E2054A and MA4E2054C

(available in both the SOT-23 and SOT-323 packages) are

single element Schottky diodes characterized for use

as single ended mixers and detectors. The

MA4E2054B and MA4E2054D (available in both the

SOT-23 and SOT-323 packages) incorporate two

Schottky chips in series pair configurations. The

MA4E2054E-1068T consists of two Schottky chips in

the SOT-143 package in an unconnected pair

configuration. These diodes are useful for balanced

mixer and detector voltage doubler circuits. Applications for

the MA4E2054 series include VSAT and DBS mixers. The

small diode package size and low cost make them

attractive for use in RF tag applications for identifica-

tion and toll collection.

The part number consists of the base chip

(MA4E2054), followed by the wiring configuration (A,

B, C, D, E, omit for SOD-323), the package style

(287, 1068, 1141, 1146) and a “T” for tape and reel.

SOT-23 (287)

SOT-323 (1146)

SOT-143 (1068)

SOD-323 (1141)

SC-79 (1279)