CYStech Electronics Corp.

Spec. No. : C331SA

Issued Date : 2003.04.10

Revised Date :

Page No. : 1/3

CSMA581XSA

CYStek Product Specification

1.0Amp. Surface Mount Schottky Barrier Diodes

CSMA581XSA Series

Features

• For surface mounted applications.

• For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications

• Plastic material used carries Underwriters Laboratory Flammability Classification 94V-0

• Low leakage current

• High surge capability

• High temperature soldering: 250°C/10 seconds at terminals

• Exceeds environmental standards of MIL-S-19500/228

Mechanical Data

• Case: SMA/DO-214AC molded plastic.

• Terminals: Solder plated, solderable per MIL-STD-750 method 2026

• Polarity: Indicated by cathode band.

• Packaging: 12mm tape per EIA STD RS-481.

• Weight: 0.05 gram, 0.0015 ounce

Maximum Ratings and Electrical Characteristics

(

Rating at 25

°C ambient temperature unless otherwise specified. )

Type

CSMA

5817

CSMA

5818

CSMA

5819

Parameter

Conditions

Symbol

min

typ

max

Units

Repetitive peak reverse

voltage

20

30

40

V

Maximum RMS voltage

14

21

28

V

Maximum DC blocking

voltage

20

30

40

V

Maximum instantaneous

forward voltage

0.475 0.500 0.525

V

Maximum average forward

rectified current

1

A

Peak forward surge current

8.3ms single half sine wave superimposed

on rated load(JEDEC method)

30

A

0.5

mA

Maximum DC reverse

current

10

mA

Maximum thermal

resistance

80

℃

/w

Diode junction capacitance

f=1MHz and applied 4V reverse voltage

130

pF

Storage temperature

Tstg

-55~+150

℃

Operating temperature

-55~+125

℃

Notes: 1.Pulse test, pulse width=300μsec, 2% duty cycle

2.Mounted on PCB with 5.0mm² (0.013mm thickness) copper pad area.