1N746...1N759
SILICON PLANAR ZENER DIODES
Standard Zener voltage tolerance is ± 10%. Add suffix
"A" for ± 5% tolerance. Other tolerances, nonMax. 0.5
standard and higher Zener voltages are upon request.
Min. 27.5
Max. 1.9
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
Max. 3.9
ST
H
C
Min. 27.5
E
T
M
E
S
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Power Dissipation
Ptot
Junction Temperature
Tj
Storage Temperature Range
1)
Symbol
TStg
Glass Case DO-35
Dimensions in mm
Value
Unit
1)
mW
500
175
O
- 65 to + 175
O
C
C
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case
Characteristics at Ta = 25 OC
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at IF = 200 mA
1)
Symbol
RthA
VF
Max.
0.3
1)
1.2
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
®
Dated : 13/06/2007
Unit
K/mW
V
1N746...1N759
Zener Voltage Range 1)
Type
Maximum Zener
Impedance
Maximum Reverse Leakage Current
IR at VR = 1 V
2)
Maximum
Regulator
Current
IZM (mA)
Ta = 25 OC
Ta = 150 OC
IR (µA)
IR (µA)
10
30
110
24
10
30
100
20
23
10
30
95
20
22
2
30
85
4.7
20
19
2
30
75
5.1
20
17
1
20
70
1N752
5.6
20
11
1
20
65
1N753
6.2
20
7
0.1
20
60
1N754
6.8
20
5
0.1
20
55
1N755
7.5
20
6
0.1
20
50
1N756
8.2
20
8
0.1
20
45
1N757
9.1
20
10
0.1
20
40
1N758
10
20
17
0.1
20
35
1N759
12
20
30
0.1
20
30
Vznom
(V)
lZT (mA)
ZZT (Ω) at IZT
1N746
3.3
20
28
1N747
3.6
20
1N748
3.9
1N749
4.3
1N750
1N751
2)
E
T
M
E
S
Tested with pulses tp = 20 ms
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
500
Power Dissipation: Ptot (mW)
1)
H
C
400
300
200
100
0
0
25
100
150
Ambient Temperature: Ta ( C)
200
O
Power Derating Curve
SEMTECH ELECTRONICS LTD.
Subsidiary of Sino-Tech International (BVI) Limited
®
Dated : 13/06/2007
