FORMOSA 1N4740A

1N4728A~1N4761A
FORMOSA MS
Zener diode
Features
1.
High reliability
2.
Very sharp reverse characteristic
3.
Low reverse current level
4.
VZ -tolerance± 5%
Applications
Voltage stabilization
Absolute Maximum Ratings
Tj=25?
Parameter
Test Conditions
Type
Symbol
Value
Unit
PV
1
W
Z-current
IZ
PV/VZ
mA
Junction temperature
Tj
200
?
Tstg
-65~+175
?
Tamb= 50?
Power dissipation
Storage temperature range
Maximum Thermal Resistance
Tj=25?
Parameter
Junction ambient
Test Conditions
I=9.5mm(3/8”) TL=constant
Symbol
Value
Unit
RthJA
100
K/W
Electrical Characteristics
Tj=25?
Parameter
Forward voltage
Test Conditions
IF =200mA
Type
Symbol
VF
FORMOSA MS
Min
Typ
Max
Unit
1.2
V
1
1N4728A~1N4761A
FORMOSA MS
Type
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
VZnom
V
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
1)
IZT
mA
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
for
rzjT
O
<10
<10
<9
<9
<8
<7
<5
<2
<3.5
<4.0
<4.5
<5.0
<7
<8
<9
<10
<14
<16
<20
<22
<23
<25
<35
<40
<45
<50
<60
<70
<80
<95
<110
<125
<150
<175
rzjK
at
O
<400
<400
<400
<400
<500
<550
<600
<700
<700
<700
<700
<700
<700
<700
<700
<700
<700
<700
<750
<750
<750
<750
<750
<1000
<1000
<1000
<1000
<1500
<1500
<1500
<2000
<2000
<2000
<2000
IZ K
mA
1
1
1
1
1
1
1
1
1
0. 5
0. 5
0. 5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
IR
µ A
<100
<100
<50
<10
<10
<10
<10
<10
<10
<10
<10
<10
<10
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
<5
at
VR
V
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL)at 30? ,
9.5mm(3/8”) from the diode body.
FORMOSA MS
2
1N4728A~1N4761A
FORMOSA MS
Dimensions in mm
Standard Glass Case
JEDEC DO 41
FORMOSA MS
3