Microsemi JANTX1N4981CUS 5 watt glass zener diode Datasheet

1N4954 thru 1N4996, 1N5968 thru 1N5969, and
1N6632 thru 1N6637
VOIDLESS-HERMETICALLY-SEALED
5 WATT GLASS ZENER DIODES
SCOTTSDALE DIVISION
APPEARANCE
This Zener Voltage Regulator series is military qualified to MIL-PRF19500/356 and is ideal for high-reliability applications where a failure
cannot be tolerated. These industry-recognized 5 Watt Zener Voltage
Regulators are hermetically sealed with voidless-glass construction using
an internal metallurgical bond. It includes Zener selections from 3.3 to 390
volts in standard 5% tolerances as well as tighter tolerances identified by
different suffix letters on the part number. They are also available in
surface-mount packages (see separate data sheet for 1N4954US thru
1N4996US, 1N5968US thru 1N5969US, and 1N6632US thru 1N6637US).
Microsemi also offers numerous other Zener products to meet higher and
lower power ratings in both thru-hole and surface mount packages.
“E” Package
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DESCRIPTION
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
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APPLICATIONS / BENEFITS
Popular JEDEC registered series
Voidless hermetically sealed glass package
Extremely robust construction
Triple-layer passivation
Internal “Category I” Metallurgical bonds for 1N4954
thru 1N4996, and “Category III” for 1N6632 thru
1N6637 as well as 1N5968 thru 1N5959
JAN, JANTX, JANTXV, and JANS available per MILPRF-19500/356
Surface mount equivalents also available in a square
end-cap MELF configuration with “US” suffix (see
separate data sheet for 1N4954US thru 1N4996US,
1N6632US thru 1N6637US and 1N5968US thru
1N5969US
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MAXIMUM RATINGS
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MECHANICAL AND PACKAGING
o
Operating Temperature: -65 C to +175 C.
Storage Temperature: -65oC to +175oC.
Power Dissipation: 5 Watts @ TA = 25oC
Thermal Resistance: 22oC/W junction to lead at 3/8
inch (10 mm) from body for 1N4954 thru 1N4996 and
30oC/W for 1N6632 thru 1N6637, 1N5968 thru
1N5969
Thermal Impedance at 10 ms: 1.8oC/W for 1N4954
thru 1N4996, and 3.0oC/W for both the 1N6632 thru
1N6637 & 1N5968 thru 1N5969
Forward Voltage: 1.50 V at 1.0 A
Copyright  2005
2-4-2005 REV C
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CASE: Hermetically sealed voidless hard glass with
Tungsten slugs
TERMINATIONS: Axial-leads are Tin/Lead (Sn/Pb)
over Copper except for JANS with solid Silver (Ag) and
no finish
MARKING: Body painted and part number, etc.
POLARITY: Cathode indicated by band
Tape & Reel option: Standard per EIA-296
Weight: 750 mg
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
1N4954 thru 1N4996
1N5968 thru 1N5969
1N6632 thru 1N6637
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Regulates voltage over a broad operating current and
temperature range
Extensive selection from 3.3 to 390 V
Standard voltage tolerances are plus/minus 5% with
no suffix
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
Flexible axial-lead mounting terminals
Nonsensitive to ESD per MIL-STD-750 Method 1020
Inherently radiation hard as described in Microsemi
MicroNote 050
1N4954 thru 1N4996, 1N5968 thru 1N5969, and
1N6632 thru 1N6637
VOIDLESS-HERMETICALLY-SEALED
5 WATT GLASS ZENER DIODES
SCOTTSDALE DIVISION
TYPE*
MAXIMUM ZENER
IMPEDANCE
ZZ @
ZZK* @
IZT
IZK=1mA
TEST
CURRENT
VOLTS
mA
OHMS
OHMS
VOLTS
1N6632
1N6633
1N6634
1N6635
1N6636
1N6637
3.3
3.6
3.9
4.3
4.7
5.1
380
350
320
290
260
240
3.0
2.5
2.0
2.0
2.0
1.5
500
500
500
500
450
400
1N5968
1N5969
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
1N4983
1N4984
1N4985
1N4986
1N4987
1N4988
1N4989
1N4990
1N4991
1N4992
1N4993
1N4994
1N4995
1N4996
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
220
220
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
8
5
5
5
5
5
4
4
3
3
1.0
1.0
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
125
170
190
330
350
450
500
550
650
800
950
1175
1400
1800
400
1000
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
1000
1150
1250
1500
1650
1750
1850
2000
2050
2100
2150
2200
2300
2500
IZT
VOLTAGE
REGULATION
(Note 1)
∆ VZ
MAXIMUM REVERSE
LEAKAGE CURRENT
VOLTAGE
MAXIMUM
TEMPERATURE
COEFF.
αVZ @ IZT
MAXIMUM
CONTINUOUS
CURRENT
SURGE
CURRENT
IR
VR
VOLTS
%/oC
mA
AMPS
0.90
0.80
0.75
0.70
0.60
0.50
µA
300
250
175
25
20
5
1.0
1.0
1.0
1.0
1.0
1.0
-.075
-.070
-.060
-.050
+/-.025
+/-.030
1440
1320
1220
1100
1010
930
20.0
18.7
17.6
16.4
15.3
14.4
0.4
0.5
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
9.0
10
11
13
14
16
18
19
22
25
28
32
35
40
5000
1000
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
2
2
2
2
2
2
2
2
2
2
4.28
4.74
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
83.6
91.2
98.8
114.0
121.6
136.8
152
167
182
206
228
251
274
297
.04
.04
.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
.100
.100
.105
.105
.105
.110
.110
.115
.115
.120
.120
.120
.120
.120
865
765
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
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
20
20
29.3
26.4
24
22
20
19
18
16
12
10
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
1.00
0.80
0.75
0.70
0.60
0.50
0.50
0.40
0.35
0.30
0.25
0.22
0.20
IZM
IZSM
*IZK = 5 mA for 1N5968
NOTE 1: Maximum voltage change ∆VZ between 10% of IZM and 50% of IZM
Copyright  2005
2-4-2005 REV C
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2
1N4954 thru 1N4996
1N5968 thru 1N5969
1N6632 thru 1N6637
NOMINAL
ZENER
VOLTAGE
VZ @ IZT
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ELECTRICAL CHARACTERISTICS @ 25oC
1N4954 thru 1N4996, 1N5968 thru 1N5969, and
1N6632 thru 1N6637
SCOTTSDALE DIVISION
VZ
IZ, IZT, IZK
ZZT or ZZK
VF
IR
IZM
IZSM
SYMBOLS & DEFINITIONS
Definition
Zener Voltage: The zener voltage the device will exhibit at a specified current (IZ) in its breakdown region.
Regulator Current: The dc regulator current (IZ), at a specified test point (IZT), or near breakdown knee (IZK).
Dynamic Impedance: The small signal impedance of the diode when biased to operate in its breakdown region
at a specified rms current modulation (typically 10% of IZT or IZK) and superimposed on IZT or IZK respectively.
Maximum Forward Voltage: The maximum forward voltage the device will exhibit at a specified current.
Maximum Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and
temperature.
Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating.
Maximum Zener Surge Current: The nonrepetitive peak value of zener surge current at a specified wave form.
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Symbol
VOIDLESS-HERMETICALLY-SEALED
5 WATT GLASS ZENER DIODES
GRAPHS
FIGURE 1
POWER DISSIPATION vs. LEAD
TEMPERATURE DERATING CURVE
FIGURE 2
SURGE POWER vs.
SURGE DURATION
1N4954 thru 1N4996
1N5968 thru 1N5969
1N6632 thru 1N6637
FIGURE 3
TYPICAL ZENER IMPEDANCE vs.
ZENER CURRENT
Copyright  2005
2-4-2005 REV C
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
1N4954 thru 1N4996, 1N5968 thru 1N5969, and
1N6632 thru 1N6637
SCOTTSDALE DIVISION
VOIDLESS-HERMETICALLY-SEALED
5 WATT GLASS ZENER DIODES
WWW . Microsemi .C OM
PACKAGE DIMENSIONS
1N4954 thru 1N4996
1N5968 thru 1N5969
1N6632 thru 1N6637
Copyright  2005
2-4-2005 REV C
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 4
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