1N4478 Datasheet, PDF (1/3 Pages) Sensitron – Zener 1.5W DIODE

SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4239, Rev-
1N4478 to 1N4494
1N4478U to 1N4494U
Zener 1.5W DIODE
SENSITRON`s Power Semiconductor Products have been used in space, military and high-rel applications for
more than 30 years. Our 1.5W silicon, low leakage, voltage regulator diodes are available in both leaded axial and
surface mount melf packaging. We also supply 1.5W Zener die products.
Applications / Markets:
▼Voltage regulation and voltage limiting
▼Voltage regulation over a broad operating range
▼Low power protection
▼Analog Circuits
▼High-Rel Industrial
▼Military
▼Aerospace
▼ Space/satellites
Features / Benefits:
▼Ultra-low reverse leakage current
▼ Sharp Zener knee
▼Zener voltage available from 36V to 160V
▼ Hermetic, non-cavity glass package
▼ Metallurgically bonded
▼ Extensive line of QPL Products
▼ Screening to TX/TXV/S level
▼ Tape & reel available
Part #
Vz
Nom
Vz
Min
V
V
1N4478 36
34.2
1N4479 39
37.1
1N4480 43
40.9
1N4481 47
44.7
1N4482 51
48.5
1N4483 56
53.2
1N4484 62
58.9
1N4485 68
64.6
1N4486 75
71.3
1N4487 82
77.9
1N4488 91
86.5
1N4489 100
95.0
1N4490 110 104.5
1N4491 120 114.0
1N4492 130 123.5
1N4493 150 142.5
1N4494 160
152
* Dc TA=+150^oC IR2
Electrical characteristics – Temperature 25^oC unless otherwise noted
IR
Vz
Max
Iz test
current
Zz
imped
ance
Zk
Knee
impedance
Iz Max
dc
current
Voltage
regulation
Izsm
Reverse
Voltage
Reverse
Current
Dc
Ir1
V
mA
Ω
Ω
mA
V
A
V
µA
37.8
7.0
27
850
40
1.7
.40
28.8
.05
40.9
6.5
30
900
37
1.8
.37
31.2
.05
45.1
6.0
40
950
33
1.9
.33
34.4
.05
49.3
5.5
50
1000
30
2.1
.30
37.6
.05
53.5
5.0
60
1100
28
2.3
.28
40.8
.05
58.8
4.5
70
1300
26
2.5
.26
44.8
.25
65.1
4.0
80
1500
23
2.7
.23
49.6
.25
71.4
3.7
100
1700
21
3.0
.21
54.4
.25
78.8
3.3
130
2000
19
3.3
.19
60.0
.25
86.1
3.0
160
2500
17
3.6
.17
65.6
.25
95.5
2.8
200
3000
16
4.0
.16
72.8
.25
105.0
2.5
250
3100
14
4.4
.14
80.0
.25
115.5
2.3
300
4000
13
5.0
.13
88.0
.25
126.0
2.0
400
4500
12
5.5
.12
96.0
.25
136.5
1.9
500
5000
11
6.0
.11
104
.25
157.5
1.7
700
6000
9.5
7.0
.095
120
.25
168
1.6
1000
6500
8.9
8.0
.089
128
.25
αVZ
Temp
coeffi
cient
%/^oC
0.093
0.094
0.095
0.095
0.096
0.096
0.097
0.097
0.098
0.098
0.099
0.100
0.100
0.100
0.100
0.100
0.100
IZK
Test
current
mA
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
IR₂
Reverse
current*
µA
2
2
2
2
2
10
10
10
10
10
10
10
10
10
10
10
10
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