SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 5079, Rev -
SS4464/US to SS4494/US
Zener 1.5W DIODE
•
Ultra-low reverse leakage current
•
Zener voltage available from 36V to 160V
•
Sharp Zener knee
•
Metallurgically bonded
•
Hermetic, non-cavity glass package
Electrical characteristics – Temperature 25
o
C unless otherwise noted
Part Number
Nominal
Zener
Voltage
Vz
Test
current
I
ZT
mA
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
2.0
2.0
1.9
1.7
1.6
Max
Dynamic
Impedance
Z
ZK
@ I
ZK
Ω
4
5
6
7
8
9
10
11
12
14
16
18
20
25
27
30
40
50
60
70
80
100
130
160
200
250
300
400
500
700
1000
Max Knee
Impedance
I
ZK
@ I
ZK
Ω
500
500
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
1000
1100
1300
1500
1700
2000
2500
3000
3100
4000
4500
5000
6000
6500
mA
0.5
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
Max
Continuous
Current
I
ZM
mA
157
143
130
119
110
95
90
79
71
65
60
53
48
43
40
37
33
30
28
26
23
21
19
17
16
14
13
12
11
9.5
8.9
Max Surge
Current
I
ZSM
A
1.6
1.4
1.3
1.2
1.1
.95
.90
.79
.71
.65
.60
.53
.48
.43
.40
.37
.33
.30
.28
.26
.23
.21
.19
.17
.16
.14
.13
.12
.11
.095
.089
µA
.30
.30
.30
.20
.05
.05
.05
.05
.05
.05
.05
.05
.05
.05
05
.05
.05
.05
.05
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
.25
Maximum
Reverse
Current
I
R
@ V
R
V
5.46
8.00
8.80
9.60
10.40
12.00
12.80
14.40
16.00
17.60
19.20
21.60
24.00
26.40
28.80
31.20
34.40
37.60
40.80
44.80
49.60
54.40
60.40
65.60
72.80
80.00
88.00
96.00
104.00
120.00
128.00
V
SS4464/US
9.1
SS4465/US
10.0
SS4466/US
11.0
SS4467/US
12.0
SS4468/US
13.0
SS4469/US
15.0
SS4470/US
16.0
SS4471/US
18.0
SS4472/US
20.0
SS4473/US
22.0
SS4474/US
24.0
SS4475/US
27.0
SS4476/US
30.0
SS4477/US
33.0
SS4478/US
36.0
SS4479/US
39.0
SS4480/US
43.0
SS4481/US
47.0
SS4482/US
51.0
SS4483/US
56.0
SS4484/US
62.0
SS4485/US
68.0
SS4486/US
75.0
SS4487/US
82.0
SS4488/US
91.0
SS4489/US
100.0
SS4490/US
110.0
SS4491/US
120.0
SS4492/US
130.0
SS4493/US
150.0
SS4494/US
160.0
o
*
Dc TA=+150 C 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
•
SS4464/US to SS4494/US
SENSITRON
TECHNICAL DATA
DATA SHEET 5079, Rev -
1N4478 thru 1N4494
PACKAGE
STYLE
Similar to DO-41
(AXIAL)
DIMENSIONS - INCHES ( MILLIMETERS)
φB
φD
.028/.032
.060/.085
0.71/0.81
1.52/2.16
G
.106/.160
2.69/4.06
L
.80/1.30
20.32/33.02
1N4478U thru 1N4494U
PACKAGE
DIMENSIONS - INCHES ( MILLIMETERS)
STYLE
BL
BD
MELF
.168/.200
.091/.103
4.27/5.08
2.31/2.62
S
0.003 Min
0.08min
ECT
.019/.028
0.48/0.71
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior not ice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the
datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement .
3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation
of the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any
other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from use
at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed writ ten permission of Sensitron
Semiconductor.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder
maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When
exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations.
•
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
•
