1N4370A Series
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless
otherwise noted, V
F
= 1.5 V Max @ I
F
= 200 mA for all types)
Symbol
V
Z
I
ZT
Z
ZT
I
ZM
I
R
V
R
I
F
V
F
Parameter
Reverse Zener Voltage @ I
ZT
Reverse Current
Maximum Zener Impedance @ I
ZT
Maximum DC Zener Current
Reverse Leakage Current @ V
R
Reverse Voltage
Forward Current
Forward Voltage @ I
F
V
Z
V
R
I
R
V
F
I
ZT
V
I
F
I
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted, V
F
= 1.5 V Max @ I
F
= 200 mA for all types)
Zener Voltage
(Note 3.)
Device
(Note 2.)
1N4370A
1N4371A
1N4372A
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
Device
Marking
1N4370A
1N4371A
1N4372A
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
V
Z
(Volts)
Min
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
Nom
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
Max
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
@ I
ZT
(mA)
20
20
20
20
20
20
20
20
20
20
4.)
Z
ZT
(Note 4 )
@ I
ZT
(W)
30
30
29
28
24
23
22
19
17
11
I
R
@ V
R
= 1 V
I
ZM
(Note 5.)
(mA)
150
135
120
110
100
95
85
75
70
65
T
A
= 255C
(µA)
100
75
50
10
10
10
2
2
1
1
T
A
= 1505C
(µA)
200
150
100
30
30
30
30
30
20
20
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
5.89
6.46
7.13
7.79
8.65
9.50
11.40
6.2
6.8
7.5
8.2
9.1
10
12
6.51
7.14
7.88
8.61
9.56
10.5
12.6
20
20
20
20
20
20
20
7
5
6
8
10
17
30
60
55
50
45
40
35
30
0.1
0.1
0.1
0.1
0.1
0.1
0.1
20
20
20
20
20
20
20
2.
TOLERANCE AND TYPE NUMBER DESIGNATION (V
Z
)
The type numbers listed have a standard tolerance on the nominal zener voltage of
±5%.
3.
ZENER VOLTAGE (V
Z
) MEASUREMENT
Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T
L
) at 30°C
±
1°C and 3/8″
lead length.
4.
ZENER IMPEDANCE (Z
Z
) DERIVATION
Z
ZT
and Z
ZK
are measured by dividing the ac voltage drop across the device by the ac current applied. The specified limits are for I
Z(ac)
=
0.1 I
Z(dc)
with the ac frequency = 60 Hz.
5.
MAXIMUM ZENER CURRENT RATINGS (I
ZM
)
Values shown are based on the JEDEC rating of 400 mW where the actual zener voltage (V
Z
) is known at the operating point, the maximum
zener current may be increased and is limited by the derating curve.
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