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Digitron Semiconductors |
1N4954-1N4996
High-reliability discrete products
and engineering services since 1977
5 WATT GLASS ZENER DIODE
FEATURES
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
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 @ TL = 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
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Electrical Specifications @ 25°C
Type
Nominal
Zener
Voltage
VZ @ IZT
Test
Current
IZT
Maximum Zener
Impedance
ZZ @ IZT
ZZK @ IZK
1mA
Voltage
Regulation
VZ
(note 1)
Maximum Reverse
Leakage Current
Voltage
IR VR
Volts
mA
OHMS
OHMS
Volts
µA Volts
1N4954
6.8
175 1.0 1000
0.7
150 5.2
1N4955
7.5
175 1.5 800
0.7
100 5.7
1N4956
8.2
150 1.5 600
0.7
50 6.2
1N4957
9.1
150 2.0 400
0.7
25 6.9
1N4958
10.0
125 2.0 125
0.8
25 7.6
1N4959
11.0
125 2.5 130
0.8
10 8.4
1N4960
12.0
100 2.5 140
0.8
10 9.1
1N4961
13.0
100 3.0 145
0.9
10 9.9
1N4962
15.0
75 3.5 150
1.0
5 11.4
1N4963
16.0
75 3.5 155
1.1
5 12.2
1N4964
18.0
65 4.0 160
1.2
5 13.7
1N4965
20.0
65 4.5 165
1.5
2 15.2
1N4966
22.0
50 5.0 170
1.8
2 16.7
1N4967
24.0
50 5.0 175
2.0
2 18.2
1N4968
27.0
50 6.0 180
2.0
2 20.6
1N4969
30.0
40
8 190
2.5
2 22.8
1N4970
33.0
40
10 200
2.8
2 25.1
1N4971
36.0
30
11 220
3.0
2 27.4
1N4972
39.0
30
14 230
3.0
2 29.7
1N4973
43.0
30
20 240
3.3
2 32.7
1N4974
47.0
25
25 250
3.5
2 35.8
1N4975
51.0
25
27 270
4.0
2 38.8
Maximum
Temperature
Coeff.
αVz @ IZT
%/°C
.05
.06
.06
.06
.07
.07
.07
.08
.08
.08
.085
.085
.085
.090
.090
.090
.095
.095
.095
.095
.095
.095
Maximum Ratings
Maximum
Continuous
Current
IZM
Surge
Current
IZSM
8.3ms square
wave
mA Amps
700 29.3
630 26.4
580 24.0
520 22.0
475 20.0
430 19.0
395 18.0
365 16.0
315 12.0
294 10.0
264 9.0
237 8.0
216 7.0
198 6.5
176 6.0
158 5.5
144 5.0
132 4.5
122 4.0
110 3.5
100 3.2
92 3.0
Rev. 20120710
1N4954-1N4996
High-reliability discrete products
and engineering services since 1977
5 WATT GLASS ZENER DIODE
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Electrical Specifications @ 25°C
Type
Nominal
Zener
Voltage
VZ @ IZT
Test
Current
IZT
Maximum Zener
Impedance
ZZ @ IZT
ZZK @ IZK
1mA
Voltage
Regulation
VZ
(note 1)
Maximum Reverse
Leakage Current
Voltage
IR VR
Volts
mA
OHMS
OHMS
Volts
µA Volts
1N4976
56.0
20
35 320
4.4
2 42.6
1N4977
62.0
20
42 400
5.0
2 47.1
1N4978
68.0
20
50 500
5.5
2 51.7
1N4979
75.0
20
55 620
6.0
2 56.0
1N4980
82.0
15
80 720
6.6
2 62.2
1N4981
91.0
15
90 760
7.5
2 69.2
1N4982
100.0
12
110 800
8.0
2 76.0
1N4983
110.0
12
125 1000
9.0
2 83.6
1N4984
120.0
10
170 1150
10
2 91.2
1N4985
130.0
10
190 1250
11
2 98.8
1N4986
150.0
8
330 1500
13
2 114.0
1N4987
160.0
8
350 1650
14
2 121.6
1N4988
180.0
5
450 1750
16
2 136.8
1N4989
200.0
5
500 1850
18
2 152
1N4990
220.0
5
550 2000
19
2 167
1N4991
240.0
5
650 2050
22
2 182
1N4992
270.0
5
800 2100
25
2 206
1N4993
300.0
4
950 2150
28
2 228
1N4994
330.0
4
1175
2200
32
2 251
1N4995
360.0
3
1400
2300
35
2 274
1N4996
390.0
3
1800
2500
40
2 297
Standard voltage tolerances are ±5% with no suffix, suffix C ±2% and D suffix is ±1%.
Note 1: Maximum voltage change ΔVZ between 10% of IZM and 50% of IZM.
Maximum
Temperature
Coeff.
αVz @ IZT
%/°C
.095
.100
.100
.100
.100
.100
.100
.100
.100
.105
.105
.105
.110
.110
.115
.115
.120
.120
.120
.120
.120
Maximum Ratings
Maximum
Continuous
Current
IZM
Surge
Current
IZSM
8.3ms square
wave
mA Amps
84 2.8
76 2.5
70 2.2
63.0 2.0
58.0 1.8
52.5 1.6
47.5 1.4
43.0 1.2
39.5 1.00
36.6 0.80
31.6 0.75
29.4 0.70
26.4 0.60
23.6 0.50
21.6 0.50
19.8 0.40
17.5 0.35
15.6 0.30
14.4 0.25
13.0 0.22
12.0 0.20
Rev. 20120710
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