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  Microsemi Electronic Components Datasheet  

1N5234 Datasheet

500mW GLASS AXIAL-LEAD ZENER DIODES

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SCOTTSDALE DIVISION
1N5221 thru 1N5281B, e3 DO-35
500 mW GLASS AXIAL-LEAD
ZENER DIODES
DESCRIPTION
APPEARANCE
The popular 1N5221 thru 1N5281B 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
DO-35
(DO-204AH)
FEATURES
APPLICATIONS / BENEFITS
JEDEC registered 1N5221 to 1N5281B
Internal bonds optionally available with “-1” 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 MLL5221 to
MLL5281B in the DO-213AA MELF style package
including “-1” suffix options (consult factory for others)
RoHS Compliant devices available by adding “e3” suffix
DO-7 glass body axial-leaded Zener equivalents are also
available
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 per 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: 1.5 volts (maximum)
Solder Temperatures: 260 ºC for 10 s (max)
MECHANICAL AND PACKAGING
CASE: Hermetically sealed axial-lead glass DO-
35 (DO-204AH) package
FINISH: Tin-Lead or RoHS Compliant annealed
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
ELECTRICAL CHARACTERISTICS @ 25°C
JEDEC
Type No.
Note 1
Nominal
Zener
Voltage
VZ @ IZT
Volts
Test
Current
IZT
mA
Max Zener Impedance
A & B Suffix Only
Note 2
ZZT @ IZK
Ohms
ZZK @ IZK = 0.25
mA
Ohms
Max Reverse Current
A, B, C & D Suffix Only
Non-Suffix
IR
μA
@ VR
Volts
IR @ VR Used
For Suffix A
A B,C & D
μA
1N5221
1N5222
1N5223
1N5224
1N5225
1N5226
1N5227
1N5228
1N5229
1N5230
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
20
20
20
20
20
20
20
20
20
20
30
30
30
30
29
28
24
23
22
19
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
100 0.95
100 0.95
75 0.95
75 0.95
50 0.95
25 0.95
15 0.95
10 0.95
5.0 0.95
50 1.9
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
200
200
150
150
100
100
100
75
50
50
Copyright © 2005
8-09-2005 REV D
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Max Zener
Voltage Temp.
Coeff.
(A & B Suffix
Only)
αVZ (% / oC)
Note 3
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
+/-0.055
+/-0.030
Page 1


  Microsemi Electronic Components Datasheet  

1N5234 Datasheet

500mW GLASS AXIAL-LEAD ZENER DIODES

No Preview Available !

SCOTTSDALE DIVISION
1N5221 thru 1N5281B, e3 DO-35
500 mW GLASS AXIAL-LEAD
ZENER DIODES
Max Zener Impedance
Max Reverse Current
Max Zener
JEDEC
Type No.
Note 1
Nominal
Zener
Voltage
VZ @ IZT
Volts
Test
Current
IZT
mA
A & B Suffix Only
Note 2
ZZT @ IZK
Ohms
ZZK @ IZK = 0.25
mA
Ohms
A, B, C & D Suffix Only
IR @ VR
μA Volts
A B,C & D
Non-Suffix
IR @ VR Used
For Suffix A
μA
Voltage Temp.
Coeff.
(A & B Suffix
Only)
αVZ (% / oC)
Note 3
1N5231
5.1
20
17
1600
5.0 1.9
2.0
50
+/-0.030
1N5232
5.6
20
11
1600
5.0 2.9
3.0
50
+0.038
1N5233
6.0
20
7.0
1600
5.0 3.3
3.5
50
+0.038
1N5234
6.2
20
7.0
1000
5.0 3.8
4.0
50
+0.045
1N5235
6.8
20
5.0
750
3.0 4.8
5.0
30
+0.050
1N5236
7.5
20
6.0
500
3.0 5.7
6.0
30
+0.058
1N5237
8.2
20
8.0
500
3.0 6.2
6.5
30
+0.062
1N5238
8.7
20
8.0
600
3.0 6.2
6.5
30
+0.065
1N5239
9.1
20
10
600
3.0 6.7
7.0
30
+0.068
1N5240
10
20
17
600
3.0 7.6
8.0
30
+0.075
1N5241
11
20
22
600
2.0 8.0
8.4
30
+0.076
1N5242
12
20
30
600
1.0 8.7
9.1
10
+0.077
1N5243
13
9.5
13
600
0.5 9.4
9.9
10
+0.079
1N5244
14
9.0
15
600
0.1 9.5
10
10
+0.082
1N5245
15
8.5
16
600
0.1 10.5
11
10
+0.082
1N5246
16
7.8
17
600
0.1 11.4
12
10
+0.083
1N5247
17
7.4
19
600
0.1 12.4
13
10
+0.084
1N5248
18
7.0
21
600
0.1 13.3
14
10
+0.085
1N5249
19
6.6
23
600
0.1 13.3
14
10
+0.086
1N5250
20
6.2
25
600
0.1 14.3
15
10
+0.086
1N5251
22
5.6
29
600
0.1 16.2
17
10
+0.087
1N5252
24
5.2
33
600
0.1 17.1
18
10
+0.088
1N5253
25
5.0
35
600
0.1 18.1
19
10
+0.089
1N5254
27
4.6
41
600
0.1 20
21
10
+0.090
1N5255
28
4.5
44
600
0.1 20
21
10
+0.091
1N5256
30
4.2
49
600
0.1 22
23
10
+0.091
1N5257
33
3.8
58
700
0.1 24
25
10
+0.092
1N5258
36
3.4
70
700
0.1 26
27
10
+0.093
1N5259
39
3.2
80
800
0.1 29
30
10
+0.094
1N5260
43
3.0
93
900
0.1 31
33
10
+0.095
1N5261
47
2.7 105
1000
0.1 34
36
10
+0.095
1N5262
51
2.5 125
1100
0.1 37
39
10
+0.096
1N5263
56
2.2 150
1300
0.1 41
43
10
+0.096
1N5264
60
2.1 170
1400
0.1 44
46
10
+0.097
1N5265
62
2.0 185
1400
0.1 45
47
10
+0.097
1N5266
68
1.8 230
1600
0.1 49
52
10
+0.097
1N5267
75
1.7 270
1700
0.1 53
56
10
+0.098
1N5268
82
1.5 330
2000
0.1 59
62
10
+0.098
1N5269
87
1.4 370
2200
0.1 65
68
10
+0.099
1N5270
91
1.4 400
2300
0.1 66
69
10
+0.099
1N5271
100
1.3
500
2600
0.1 72
76
10
+0.110
1N5272
110
1.1
750
3000
0.1 80
84
10
+0.110
1N5273
120
1.0
900
4000
0.1 86
91
10
+0.110
1N5274
130
0.95
1100
4500
0.1 94
99
10
+0.110
1N5275
140
0.90
1300
4500
0.1 101
106
10
+0.110
1N5276
150
0.85
1500
5000
0.1 108
114
10
+0.110
1N5277
160
0.80
1700
5500
0.1 116
122
10
+0.110
1N5278
170
0.74
1900
5500
0.1 123
129
10
+0.110
1N5279
180
0.68
2200
6000
0.1 130
137
10
+0.110
1N5280
190
0.66
2400
6500
0.1 137
144
10
+0.110
1N5281
200
0.65
2500
7000
0.1 144
152
10
+0.110
*JEDEC registered data. JEDEC type numbers listed indicate a tolerance of +/-20% with guaranteed limits on only VZ, IR, and VF. Devices with
guaranteed limits on all six parameters are indicated by suffix A for +/-10% tolerance and suffix B for +/-5% tolerance. Also available with suffix C
or D which indicates 2% and 1% tolerance respectively.
NOTES:
1. The electrical characteristics are measured after allowing the device to stabilize for 20 seconds when mounted with a 3/8” (10 mm) minimum
lead length from the case.
2. The zener impedance is derived from the 60 Hz ac voltage that results when an ac current having an rms value equal to 10% of the dc zener
current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to ensure a sharp knee on the breakdown curve,
thereby eliminating unstable units. Also see MicroNote 202 for variation in dynamic impedance with different operating currents.
3. Temperature coefficient (αVZ). Test conditions for temperature coefficient are as follows:
a. IZT = 7.5 mA, T1 = 25oC, T2 = 125oC (1N5221A, B thru 1N5242A, B).
b. IZT = Rated IZT, T1 = 25oC, T2 = 125oC (1N5243A, B thru 1N5281A, B).
(Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temp.)
Copyright © 2005
8-09-2005 REV D
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 1N5234
Description 500mW GLASS AXIAL-LEAD ZENER DIODES
Maker Microsemi
Total Page 3 Pages
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