Zeners
1N4370A - 1N4372A
1N746A - 1N759A
Tolerance = 5%
Absolute Maximum Ratings *
T
= 25°C unless otherwise noted
A
Symbol
Parameter
Value
Units
PD
Power Dissipation
500
mW
@ TL ≤ 75°C, Lead Length = 3/8”
Derate above 75°C
4.0
mW/°C
°C
TJ, TSTG Operating and Storage Temperature Range
-65 to +200
* These ratings are limiting values above which the serviceability of the diode may be impaired.
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Electrical Characteristics T =25°C unless otherwise noted
A
VZ (V) @ IZ = 20mA (Note 1)
IR (µA) @ VR = 1V
IZM (mA)
(Note 2)
Device
ZZ (Ω) @ IZ = 20mA
Min.
Typ.
Max.
Ta = 25°C
Ta = 125°C
1N4370A
1N4371A
1N4372A
1N746A
1N747A
2.28
2.57
2.85
3.14
3.42
2.4
2.7
3.0
3.3
3.6
2.52
2.84
3.15
3.47
3.78
30
30
29
28
24
150
135
120
110
100
100
75
50
10
10
200
150
100
30
30
1N748A
1N749A
1N750A
1N751A
1N752A
3.71
4.09
4.47
4.85
5.32
3.9
4.3
4.7
5.1
5.6
4.10
4.52
4.94
5.36
5.88
23
22
19
17
11
95
85
75
70
65
10
2
2
1
1
30
30
30
20
20
1N753A
1N754A
1N755A
1N756A
1N757A
5.89
6.46
7.13
7.79
8.65
6.2
6.8
7.5
8.2
9.1
6.51
7.14
7.88
8.61
9.56
7
5
6
8
10
60
55
50
45
40
0.1
0.1
0.1
0.1
0.1
20
20
20
20
20
1N758A
1N759A
9.50
11.40
10
12
10.5
12.6
17
30
35
30
0.1
0.1
20
20
VF Forward Voltage = 1.5V Max @ IF = 200mA
Notes:
1. Zener Voltage (V )
Z
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T ) at 30°C ± 1°C and 3/8” lead length.
L
2. Maximum Zener Current Ratings (I
)
ZM
The maximum current handling capability on a worst case basis is limited by the actual zener voltage at the operation point and the power derating curve.
Rev. D1
www.fairchildsemi.com
ROCHESTER [ Rochester Electronics ]
