HSMS-281x

Surface Mount RF Schottky Barrier Diodes

Data Sheet

Description/Applications

These Schottky diodes are specifically designed for both

analog and digital applications. This series offers a wide

range of specifications and package configurations to

give the designer wide flexibility. The HSMS‑281x series of

diodes features very low flicker (1/f) noise.

Note that Avago’s manufacturing techniques assure that

dice found in pairs and quads are taken from adjacent

sites on the wafer, assuring the highest degree of match.

Package Lead Code Identification, SOT-23/SOT-143

(Top View)

COMMON

CATHODE

#4

UNCONNECTED

PAIR

#5

COMMON

ANODE

#3

SERIES

#2

SINGLE

#0

1

2

3

1

2

3

4

RING

QUAD

#7

1

2

3

4

BRIDGE

QUAD

#8

1

2

3

4

1

2

3

1

2

3

1

2

3

Package Lead Code Identification, SOT-323

(Top View)

Package Lead Code Identification, SOT-363

(Top View)

COMMON

CATHODE

F

COMMON

ANODE

E

SERIES

C

SINGLE

B

COMMON

CATHODE QUAD

M

UNCONNECTED

TRIO

L

BRIDGE

QUAD

P

COMMON

ANODE QUAD

N

RING

QUAD

R

1

2

3

6

5

4

HIGH ISOLATION

UNCONNECTED PAIR

K

1

2

3

6

5

4

1

2

3

6

5

4

1

2

3

6

5

4

1

2

3

6

5

4

1

2

3

6

5

4

Notes:

1. Package marking provides orientation and identification.

2. See “Electrical Specifications” for appropriate package marking.

Pin Connections and Package Marking

Features

• Surface Mount Packages

• Low Flicker Noise

• Low FIT (Failure in Time) Rate*

• Six‑sigma Quality Level

• Single, Dual and Quad Versions

• Tape and Reel Options Available

• Lead‑free

• For more information see the Surface Mount Schottky

Reliability Data Sheet.

1

2

3

6

5

4