ZM4728A - ZM4764A
ZENER DIODES
Z
: 3.3 to 100V
P
D
: 1W
FEATURES :
• Silicon planar power zener diodes
• For use in stabilizing and clipping circuits with
higher power rating.
• Standard zener voltage tolerance is
± 5%.
• Other zener voltages and tolerances are
available upon request.
• These diodes are also available in the DO-41
case with type designation 1N4728A ... 1N4764A
• Pb / RoHS Free
MECHANICAL DATA :
* Case : MELF Glass Case
* Weight : 0.25 g (approximately)
Maximum Ratin
s and Thermal Characteristics
Ratin
at 25 °C ambient tem
erature unless otherwise s
ecifi
.
Symbol Value Unit
Zener Current see Table "Characteristics"
Maximum Forward Voltage at I
F = 200 mA. VF 1.2 V
Power Dissipation
P
D
1
1)
W
Thermal Resistance Junction to Ambient Air
R
θ
JA
170
(1)
°C/W
Junction temperature
T
J
-65 to + 200
°C
Storage temperature range
T
S
-65 to + 200
°C
Note: (1) Valid provided that electrodes are kept at ambient temperature
Page 1 of 2 Rev. 03 : March 25, 2005
Parameter
Dimensions in inches and
millimeters
MELF
0.205(5.2)
0.189(4.8)
φ 0.102 (2.6)
0.094
2.4
0.022(0.55)
Cathode Mark
Mounting Pad Layout
0.256 (6.50)
REF
0.049 (1.25)Min.
0.157 (4.00)
Max.
0.118 (3.00)Min.
