DIGITRON SEMICONDUCTORS
1N4954-1N4996
MAXIMUM RATINGS
Operating Temperature:
Storage Temperature:
Power Dissipation:
Thermal Resistance:
Thermal Impedance @ 10ms:
Forward Voltage:
-65 to +175°C
-65 to +175°C
5 Watts @ T
L
= 65°C at 3/8” from body, derate linearly to zero @ 175°C.
22°C/W junction to lead at 3/8” from body
1.8°C/W
1.50 V @ 1.0A
5 WATT GLASS ZENER DIODES
ELECTRICAL CHARACTERISTICS
Type
Electrical Specifications @ 25°C
Maximum Zener
Impedance
Maximum
Reverse
Leakage
Current
Voltage
I
R
Volts
µA
V
R
Volts
%/°C
mA
Maximum Ratings
Surge
Current
I
ZSM
8.3ms
square
wave
Amps
Nominal
Zener
Voltage
V
Z
@ I
ZT
Test
Current
I
ZT
Z
Z
@ I
ZT
Volts
mA
OHMS
Z
ZK
@ I
ZK
1mA
OHMS
Voltage
Regulation
V
Z
(note 1)
Maximum
Temperature
Coeff.
α
Vz
@ I
ZT
Maximum
Continuous
Current
I
ZM
1N4954
1N4955
1N4956
1N4957
1N4958
1N4959
1N4960
1N4961
1N4962
1N4963
1N4964
1N4965
1N4966
1N4967
1N4968
1N4969
1N4970
1N4971
1N4972
1N4973
1N4974
1N4975
1N4976
1N4977
1N4978
1N4979
1N4980
1N4981
1N4982
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100.0
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
1.0
1.5
1.5
2.0
2.0
2.5
2.5
3.0
3.5
3.5
4.0
4.5
5.0
5.0
6.0
8
10
11
14
20
25
27
35
42
50
55
80
90
110
1000
800
600
400
125
130
140
145
150
155
160
165
170
175
180
190
200
220
230
240
250
270
320
400
500
620
720
760
800
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.9
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
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
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
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
56.0
62.2
69.2
76.0
.05
.06
.06
.06
.07
.07
.07
.08
.08
.08
.085
.085
.085
.090
.090
.090
.095
.095
.095
.095
.095
.095
.095
.100
.100
.100
.100
.100
.100
700
630
580
520
475
430
395
365
315
294
264
237
216
198
176
158
144
132
122
110
100
92
84
76
70
63.0
58.0
52.5
47.5
29.3
26.4
24.0
22.0
20.0
19.0
18.0
16.0
12.0
10.0
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
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20120710
DIGITRON SEMICONDUCTORS
1N4954-1N4996
Type
Nominal
Zener
Voltage
V
Z
@ I
ZT
Volts
ELECTRICAL CHARACTERISTICS
Electrical Specifications @ 25°C
Maximum Zener
Impedance
Z
YK
@ I
ZK
1mA
OHMS
Volts
5 WATT GLASS ZENER DIODES
Maximum Ratings
Maximum
Reverse
Leakage
Current
Voltage
I
B
µA
V
R
Volts
%/°C
mA
Amps
Test
Current
I
ZT
Voltage
Regulation
VZ
(note 1)
Maximum
Temperature
Coeff.
T
C
@ I
ZT
Maximum
Continuous
Current
I
ZM
Surge
Current
I
ZSM
Z
ZT
@ I
ZT
mA
OHMS
1N4983
1N4984
1N4985
1N4986
1N4987
1N4988
1N4989
1N4990
1N4991
1N4992
1N4993
1N4994
1N4995
1N4996
110.0
120.0
130.0
150.0
160.0
180.0
200.0
220.0
240.0
270.0
300.0
330.0
360.0
390.0
12
10
10
8
8
5
5
5
5
5
4
4
3
3
125
170
190
330
350
450
500
550
650
800
950
1175
1400
1800
1000
1150
1250
1500
1650
1750
1850
2000
2050
2100
2150
2200
2300
2500
9.0
10
11
13
14
16
18
19
22
25
28
32
35
40
2
2
2
2
2
2
2
2
2
2
2
2
2
2
83.6
91.2
98.8
114.0
121.6
136.8
152
167
182
206
228
251
274
297
.100
.100
.105
.105
.105
.110
.110
.115
.115
.120
.120
.120
.120
.120
43.0
39.5
36.6
31.6
29.4
26.4
23.6
21.6
19.8
17.5
15.6
14.4
13.0
12.0
1.2
1.00
0.80
0.75
0.70
0.60
0.50
0.50
0.40
0.35
0.30
0.25
0.22
0.20
Standard voltage tolerances are ±5% with no suffix, suffix C ±2% and D suffix is ±1%.
Note 1: Maximum voltage change
ΔV
Z
between 10% of I
ZM
and 50% of I
ZM
.
MECHANICAL CHARACTERISTICS
Case: 1N4954-1N4996
Marking:
Polarity:
Glass
Body painted, alpha-numeric
Cathode band
Dimensions
Available Non-RoHS (standard) or RoHS compliant (add PBF suffix).
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX
level. Add “HR” suffix to base part number.
Millimeters
Inches
Min
BD
BL
LD
LL
0.090
0.130
0.037
1.000
Max
0.145
0.300
0.043
1.300
Min
2.2900
3.300
0.940
25.400
Max
3.680
7.620
1.090
33.020
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20120710
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