Formosa MS DL4728A, DL4729A, DL4730A, DL4731A, DL4732A Service Manual

Formosa MS DL4728A~DL4761A

Formosa MS 1

Zener diode

Features

1. High reliability

2. Very sharp reverse characteristic

3. Low reverse current level

4. V

Z

-tolerance± 5%

Applications

Voltage stabilization

Absolute Maximum Ratings

T

j

=25?

Parameter Test Conditions Type Symbol Value Unit

Power dissipation T

amb

= 50? P

V

1 W

Z-current I

Z

P

V

/V

Z

mA

Junction temperature T

j

200 ?

Storage temperature range T

stg

-65~+175

?

Maximum Thermal Resistance

T

j

=25?

Parameter Test Conditions Symbol Value Unit

Junction ambient I=9.5mm (3/8”) T

L

=constant R

thJA

100 K/W

Electrical Characteristics

T

j

=25?

Parameter Test Conditions Type Symbol

Min

Typ

Max

Unit

Forward voltage I

F

=200mA V

F

1.2

V

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