GALAXY ELECTRICAL
FEATURES
Silicon planar power zener diodes
For use in stabilizing and clipping circuits with high
power rating.
Standard zener voltage tolerance is ±10%. Add
MECHANICAL DAT A
Case:MELF, glass case
Terminals: solderable per MIL-STD-202, method 208
Polarity: cathode band
Marking: type number
Approx. weight: 0.25 grams.
Forw ard voltage at I
F
=200mA
Ratings at 25 ambient temperature unless otherwise specified.
Z-current
I
Z
P
V
/V
Z
UNITVALUESYMBOL
DL4728 - - - DL4764
suffix "A" for ±5% tolerance. other zener voltage
ZENER DIODES
and tolerances are available upon request.
POWER DISSIPATION: 1 .0 W
MELF
W
Zener current (see Table "Characteristics")
Junction temperature
T
J
175
1)
SYMBOL
V
F
UNITMAXTYPMIN
1.2
V
Storage temperature range
T
s
-55---+175
Pow er dissipation @ T
amb
50
P
Diss
1.0
1)
M A XIMU M RA TING S AND EL ECT RICAL CH ARACTERISTIC S
K/W
170R
ThJA
Junction ambient I=9.5mm(3/8 ), T
L
=constant
BLGALAXY ELECTRICAL
Document Number 0284021
1.
www.galaxycn.com
BL
mA
1)Valid provided that electrodes re kept at ambient temperature.