1C4954-R [SENSITRON]
Zener Diode,;SENSITRON
SEMICONDUCTOR
1C4954 thru 1C4996
TECHNICAL DATA
DATA SHEET 5170, Rev A
Zener 5W Voltage Regulator
All ratings are @Tc=25°C, unless otherwise specified
VF < 1.5V at IF=1A
Operating and Storage Temperature: -65oC to +175oC
MAX
MAX
REVERSE
CURRENT
VR
SERIES
TYPE
VZ
MIN
VZ
MAX
TEST
CURRENT
IZ
MAX ZENER
IMPEDANCE
VOLTAGE
REGULATION
VZ
SURGE
CURRENT
IZSM
REVERSE
VOLTAGE
TEMP.
COEFF
αVZ
% /°C
.05
.06
.06
.06
.07
.07
.07
.08
.08
MAX DC
CURRENT
IZM
ZZ
Ω
ZZK
Ω
IR1
µA
150
100
50
25
25
10
10
10
5
5
5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
5W
V
V
mA
175
175
150
150
125
125
100
100
75
75
65
65
50
50
50
40
40
30
30
30
25
25
20
20
20
20
15
15
12
12
10
10
8
V
.7
.7
.7
.7
.8
.8
.8
A
29.3
26.4
24
22
20
19
18
16
12
V
5..2
5..7
6.2
6..9
7..6
8.4
9.1
mA
700
630
580
520
475
430
395
365
315
294
264
237
216
198
176
158
144
132
122
110
100
92
1C4954
1C4955
1C4956
1C4957
1C4958
1C4959
1C4960
1C4961
1C4962
1C4963
1C4964
1C4965
1C4966
1C4967
1C4968
1C4969
1C4970
1C4971
1C4972
1C4973
1C4974
1C4975
1C4976
1C4977
1C4978
1C4979
1C4980
1C4981
1C4982
1C4983
1C4984
1C4985
1C4986
1C4987
1C4988
1C4989
1C4990
1C4991
1C4992
1C4993
1C4994
1C4995
1C4996
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.8
25.7
28.5
31.4
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
7.14
7.87
8.61
9.55
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.2
28.3
31.5
34.6
37.8
40.9
45.1
49.3
53.5
58.8
65.1
71.4
78.7
86.1
95.5
105
115.5
126.0
136.5
157.5
168
189
210
231
252
283
315
346
378
1
1,000
800
600
1.5
1.5
2
400
2
125
2.5
2.5
3
130
140
145
.9
9.9
3.5
3.5
4
150
155
160
1.0
1.1
1.2
1.5
1.8
2.0
2.0
2.5
2.8
3.0
3.0
3.3
3.5
4.0
4.4
5.0
5.5
6.0
6.6
7.5
8.0
9.0
10
11
13
14
16
18
19
22
25
28
32
35
40
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
62.2
69.2
76.0
83.6
91.2
98.8
114.0
121.6
136.8
152.0
167
10
.08
9.0
8.0
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.2
3.0
2.8
2.5
2.2
2.0
1.8
1.6
1.4
1.2
1.0
.8
.75
.70
.60
.50
.50
.40
.35
.30
.25
.22
.20
.085
.085
.085
.09
.09
.09
4.5
5
165
170
5
175
6
180
8
190
10
200
.095
.095
.095
.095
.095
.095
.095
.100
.100
.100
.100
.100
.100
.100
.100
.105
.105
.105
.110
.110
.115
.115
.120
11
220
14
230
20
240
25
250
27
270
35
320
84
76
70
63
42
400
50
500
55
620
80
720
58.0
52.5
47.5
43.0
39.5
36.6
31.6
29.4
26.4
23.6
21.6
19.8
17.5
15.6
14.4
13
90
760
110
125
170
190
330
350
450
500
550
650
800
950
1175
1400
1800
800
1,000
1,150
1,250
1,500
1,650
1,750
1,850
2,000
2,050
2,100
2,150
2,200
2,300
2,500
8
5
5
5
5
5
4
4
2
2
2
2
2
2
171
190
209
228
257
285
314
342
182
206
228
251
274
297
2
2
2
2
.120
.120
.120
.120
3
3
371
409
12
©2012 Sensitron Semiconductor 221 WEST INDUSTRY COURT DEER PARK, NY 11729-4681
PHONE (631) 586-7600 FAX (631) 242-9798 www.sensitron.com sales@sensitron.com
SENSITRON
SEMICONDUCTOR
1C4954 thru 1C4996
TECHNICAL DATA
DATA SHEET 5170, Rev A
MECHANICAL DIMENSIONS: In Inches (mm)
Top side metalization: Al - 30 kÅ minimum.
Bottom side metalization: Ti/Ni/Ag - 30 kÅ minimum.
Top side is anode, bottom side is cathode.
For cathode top, add –R
See part order information below
DIMENSIONS – INCHES (MILIMETERS)
MIL-PRF
A
B
C
MIN.
0.087
MAX.
0.091
MIN.
0.069
MAX.
0.075
MIN.
0.0095
MAX.
0.0105
MIL-PRF-19500/356K
(2.21)
(2.31)
(1.75)
(1.91)
(0.24)
(0.27)
PART ORDERING INFORMATION
Default part number is Al top, Ag bottom.
Add the following suffix for these metal combinations:
Suffix
Top
Bottom
Part Number
Al
Al
Ag
Ag
Au
Au
Ag
Au
Ag
Au
Au
Ag
1C4988
AG
BB
BG
GG
GB
-R
1C4988AG
1C4988BB
1C4988BG
1C4988GG
1C4988GB
1C4988-R
- Reverse polarity -
A = Ti (0.3 kA) / Al (25 kA)
B = Ti (1.2 kA) / Ni (1.8 kA) / Ag (30kA)
G = Ti (1.2 kA) / Ni (1.8 kA) / Au (12kA) (TOP) / Ti (1.2 kA) / Ni (1.8 kA) / Au (4kA) (BOTTOM)
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the
datasheet(s).
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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.
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a value exceeding the absolute maximum rating.
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©2012 Sensitron Semiconductor 221 WEST INDUSTRY COURT DEER PARK, NY 11729-4681
PHONE (631) 586-7600 FAX (631) 242-9798 www.sensitron.com sales@sensitron.com
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