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  Microsemi Electronic Components Datasheet  

1N5994 Datasheet

Axial-Leaded 500 mW Zener Diodes

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SCOTTSDALE DIVISION
1N5985 thru 1N6031-1, e3 DO-35
Axial-Leaded 500 mW Zener Diodes
DESCRIPTION
The popular 1N5985 thru 1N6031 series of 0.5 watt Zener Voltage Regulators
provides a selection from 2.4 to 200 volts in standard 5% or 10% tolerances as
well as tighter tolerances identified by different suffix letters on the part number.
These glass axial-leaded DO-35 Zeners are also available in various military
screening levels by adding a prefix identifier as described in the Features
section. Microsemi also offers numerous other Zener products to meet higher
and lower power applications.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
APPEARANCE
DO-35
(DO-204AH)
FEATURES
JEDEC registered 1N5985 to 1N6031
Similar to operating current conditions of the BZX55
Pro Electron series of Zener products in Europe
Internal bonds optionally available with “-1” suffix
RoHS Compliant devices available by adding “e3” suffix
Options for screening in accordance with MIL-PRF-
19500 for JAN, JANTX, JANTXV, and JANS are
available by adding MQ, MX, MV, or MSP prefixes
respectively to part numbers with “-1” suffix.
Surface mount equivalents available as MLL5985 to
MLL6031 in the DO-213AA MELF style package
including “-1” suffix options (consult factory for others)
DO-7 glass body axial-leaded Zener equivalents are
also available
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current
and temperature range
Extensive selection from 2.4 to 200 V
Standard voltage tolerances are plus/minus 5% with
B suffix, 10 % with A suffix identification
Tight tolerances available in plus or minus 2% or
1% with C or D suffix respectively
Flexible axial-lead mounting terminals
Nonsensitive to ESD (MIL-STD-750 Method 1020)
Minimal capacitance (see Figure 2)
Inherently radiation hard as described in Microsemi
MicroNote 050
MAXIMUM RATINGS
Power dissipation at 25ºC: 0.5 watts (also see derating
in Figure 1).
Operating and Storage temperature: -65ºC to +175ºC
Thermal Resistance: 250 ºC/W junction to lead at 3/8
(10 mm) lead length from body, or 310ºC/W junction to
ambient when mounted on FR4 PC board (1 oz Cu)
with 4 mm2 copper pads and track width 1 mm, length
25 mm
Steady-State Power: 0.5 watts at TL < 50oC 3/8 inch
(10 mm) from body or 0.48 W at TA < 25ºC when
mounted on FR4 PC board as described for thermal
resistance above (also see Figure1)
Forward voltage @200 mA: 1.1 volts (maximum)
Solder Temperatures: 260 ºC for 10 s (max)
MECHANICAL AND PACKAGING
CASE: Hermetically sealed axial-lead glass DO-35
(DO-204AH) package
TERMINALS: Tin-lead or RoHS Compliant matte-
Tin plating solderable per MIL-STD-750, method
2026
POLARITY: Cathode indicated by band. Diode to
be operated with the banded end positive with
respect to the opposite end for Zener regulation
MARKING: Part number
TAPE & REEL option: Standard per EIA-296 (add
“TR” suffix to part number)
WEIGHT: 0.2 grams
See package dimensions on last page
Copyright © 2006
5-09-2006 REV B
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1


  Microsemi Electronic Components Datasheet  

1N5994 Datasheet

Axial-Leaded 500 mW Zener Diodes

No Preview Available !

SCOTTSDALE DIVISION
1N5985 thru 1N6031-1, e3 DO-35
Axial-Leaded 500 mW Zener Diodes
*ELECTRICAL CHARACTERISTICS @ 30oC Lead Temperature. Lead Length 3/8”.
JEDEC
Type
Number
1N5985
1N5986
1N5987
1N5988
1N5989
1N5990
1N5991
1N5992
1N5993
1N5994
1N5995
1N5996
1N5997
1N5998
1N5999
1N6000
1N6001
1N6002
1N6003
1N6004
1N6005
1N6006
1N6007
1N6008
1N6009
1N6010
1N6011
1N6012
1N6013
1N6014
1N6015
1N6016
1N6017
1N6018
1N6019
1N6020
1N6021
1N6022
1N6023
1N6024
1N6025
1N6026
1N6027
1N6028
1N6029
1N6030
1N6031
Nominal
Zener
Voltage
VZ @ IZT
Volts
(Note 2)
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
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
Test
Current
IZT
mA
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max. Zener Impedance
(Note 1)
ZZT @ IZT
OHMS
B,C,D
Suffix
A, Non-
Suffix
100 110
100 110
95 100
95 100
90 95
90 95
88 90
70 90
50 88
25 70
10 50
8.0 25
7.0 10
7.0 15
10 18
15 22
18 25
22 32
25 36
32 42
36 48
42 55
48 62
55 70
62 78
70 88
78 95
88 110
95 130
130 170
150 180
170 200
180 225
200 240
225 265
240 280
265 300
280 350
300 400
500 800
650 950
800 1250
950 1400
1250
1700
1400
2000
1700
2350
2000
2700
ZZK @ IZK = 0.25 ma
OHMS
B,C,D
Suffix
A, Non-
Suffix
1800
2000
1900
2200
2000
2300
2200
2400
2300
2500
2400
2500
2500
2500
2200
2500
2050
2500
1800
2200
1300
2050
750 1800
600 1300
600 750
600 600
600 600
600 600
600 600
600 600
600 600
600 600
600 600
600 600
600 600
600 600
600 700
600 700
700 800
700 900
800 1000
900 1100
1000
1300
1300
1400
1400
1600
1400
1700
1600
2000
1700
2300
2000
2600
2300
3000
2600
4000
3000
4500
4000
5000
4500
5500
5000
6000
5500
7000
6000
8000
7000
9000
Max. Reverse Leakage Current
IR
μA
B,C,D
Suffix
100
75
50
25
15
10
5.0
3.0
2.0
2.0
1.0
1.0
0.5
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@
A, Non-
Suffix
100
100
100
75
50
25
15
10
5.0
3.0
2.0
2.0
1.0
1.0
0.5
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
VR
Volts
B,C,D
Suffix
A, Non-
Suffix
1.0 0.5
1.0 0.5
1.0 0.5
1.0 0.5
1.0 0.5
1.0 1.0
1.0 1.0
1.5 1.0
2.0 1.0
3.0 1.5
4.0 2.0
5.2 3.0
6.0 4.0
6.5 5.2
7.0 6.0
8.0 6.5
8.4 7.0
9.1 8.0
9.9 8.4
11 9.1
12 9.9
14 11
15 12
17 14
18 15
21 17
23 18
25 21
27 23
30 25
33 27
36 30
39 33
43 36
47 39
52 43
56 47
62 52
69 56
76 62
84 69
91 76
99 84
114 91
122 99
137 114
152 122
Max. DC
Zener
Current
IZM
(Note 3)
208
185
167
152
139
128
116
106
98
89
81
74
67
61
55
50
45
42
38
33
31
28
25
23
21
19
17
15
14
13
12
11
9.8
8.9
8.0
7.4
6.7
6.1
5.5
5.0
4.5
4.2
3.8
3.3
3.1
2.8
2.5
Typical
Temp.
Coeff.
of Zener
Voltage
αVZ
%/oC
-0.09
-0.075
-0.07
-0.06
-0.055
-0.045
-0.01
+0.01
+0.025
+0.035
+0.04
+0.044
+0.051
+0.055
+0.061
+0.065
+0.068
+0.073
+0.075
+0.079
+.080
+0.083
+0.085
+0.087
+0.090
+0.091
+0.093
+0.094
+0.094
+0.095
+0.095
+0.096
+0.096
+0.096
+0.097
+0.097
+0.098
+0.098
+0.099
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
*Indicates JEDEC Registered Data. The type number listed indicates a 20% tolerance. For 10% tolerance, add
suffix A; for 5% tolerance, add suffix B; for 2% tolerance add suffix C; for 1% tolerance, add suffix D.
NOTES:
1. Zener Impedance is derived from the 1 kHz ac voltage which results when an ac current having an rms value equal to 10% of
dc zener current (IZT or IZK) is superimposed on IZT or IZK. See MicroNote 202 for dynamic impedance variation with other
operating currents.
2. Voltage Measurements to be performed 20 seconds after application of the dc test current.
3. The maximum zener current IZM shown is for the nominPal voltages. The following formula can be used to determine the worst
case current for any tolerance device:
VZM
IZM =
Where VZM is the high end of the voltage tolerance specified and P is the rated power of the device.
Copyright © 2006
5-09-2006 REV B
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2


Part Number 1N5994
Description Axial-Leaded 500 mW Zener Diodes
Maker Microsemi
Total Page 3 Pages
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