RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FM4735W
THRU
FM4763W
SURFACE MOUNT ZENER SILICON RECTIFIER
VOLTAGE RANGE - 6.2 TO 91.0 Volts Steady State Power- 1.0 Watt
FEATURES
*
*
*
*
Plastic package has underwriters laboratory
Excellent clamping capability
Low zener impedance
Low regulation factor
MECHANICAL DATA
* Epoxy : Device has UL flammability classification 94V-0
.209 (5.31)
.185 (4.70)
.110 (2.79)
.086 (2.18)
.091 (2.31)
.067 (1.70)
SMX
.067 (1.70)
.051 (1.30)
.010 (0.25)
.011 (0.28)
.007 (0.18)
Ratings at 25
o
C ambient temperature unless otherwise specified.
.180 (4.57)
.160 (4.06)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
.059 (1.50)
.035 (0.89)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICE
MAXIMUM RATINGS
(At T
A
= 25 C unless otherwise noted)
o
TYPE
NOMINAL
ZENER
V O LTA G E
at I
ZT
V
Z
(NOTE 1)
TEST
CURRENT
I
ZT
(mA)
41.0
37.0
34.0
31.0
MAXIMUM DYNAMIC
IMPEDANCE
Z
ZT
at
I
ZT
(Ohms)
2.0
3.5
4.0
4.5
Z
ZK
at
(Ohms)
700
700
700
700
(NOTE
1)
I
ZK
MAXIMUM DC REVERSE
LEAKAGE CURRENT
I
R
(uA)
50.0
10.0
10.0
10.0
V
R
(Volts)
3.0
4.0
5.0
6.0
MAXIMUM
SURGE
CURRENT
(NOTE 2)
I
RM
.008 (0.20)
(Volts)
FM4735W
FM4736W
FM4737W
FM4738W
6.2
6.8
7.5
8.2
(mA)
1.0
1.0
0.5
0.5
(mApk)
730.0
660.0
605.0
550.0
MAXIMUM
F O RWA R D
V O LTA G E
at 200mA
V
F
(Volts)
1.2
1.2
1.2
1.2
2001-6