1N4478 to 1N4494
1N4478U to 1N4494U
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4239, Rev-
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
Features / Benefits:
▼Ultra-low reverse leakage current
▼ Sharp Zener knee
▼Zener voltage available from 36V to 160V
▼ Hermetic, non-cavity glass package
▼ Metallurgically bonded
▼High-Rel Industrial
▼Military
▼Aerospace
▼ Space/satellites
▼ Extensive line of QPL Products
▼ Screening to TX/TXV/S level
▼ Tape & reel available
Electrical characteristics – Temperature 25oC unless otherwise noted
IR
Reverse
Current
Dc
αVZ
Temp
coeffi
cient
Zz
imped
ance
Zk
Knee
impedance
Iz Max
dc
current
IZK
Test
current
IR2
Reverse
current*
Vz
Nom
Vz
Min
Vz
Max
Iz test
current
Voltage
regulation
Izsm
Reverse
Voltage
Part #
Ir1
V
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
V
V
mA
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
2.3
2.0
1.9
1.7
1.6
Ω
27
30
40
50
60
70
80
100
130
160
200
250
300
400
500
700
1000
Ω
850
900
950
mA
40
37
33
30
28
26
23
21
19
17
16
14
13
12
11
9.5
8.9
V
A
.40
.37
.33
.30
.28
.26
.23
.21
.19
.17
.16
.14
.13
.12
.11
.095
.089
V
µA
.05
.05
.05
.05
.05
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
%/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
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
µA
2
2
2
2
1N4478
1N4479
1N4480
1N4481
1N4482
1N4483
1N4484
1N4485
1N4486
1N4487
1N4488
1N4489
1N4490
1N4491
1N4492
1N4493
1N4494
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95.0
104.5
114.0
123.5
142.5
152
37.8
40.9
45.1
49.3
53.5
58.8
65.1
71.4
78.8
86.1
95.5
105.0
115.5
126.0
136.5
157.5
168
1.7
1.8
1.9
2.1
2.3
2.5
2.7
3.0
3.3
3.6
4.0
4.4
5.0
5.5
6.0
7.0
8.0
28.8
31.2
34.4
37.6
40.8
44.8
49.6
54.4
60.0
65.6
72.8
80.0
88.0
96.0
104
1000
1100
1300
1500
1700
2000
2500
3000
3100
4000
4500
5000
6000
6500
2
10
10
10
10
10
10
10
10
10
10
10
10
120
128
* Dc TA=+150oC IR2
• 221 West Industry Court ꢀ Deer Park, NY 11729-4681 ꢀ (631) 586-7600 FAX (631) 242-9798 •
• World Wide Web Site - http://www.sensitron.com • E-Mail Address - sales@sensitron.com •