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Diodes Semiconductor Electronic Components Datasheet

1N5238B Datasheet

500mW EPITAXIAL ZENER DIODE

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1N5238B pdf
NOT RECOMMENDED FOR
NEW DESIGN, USE
MMSZ52xxB
1N5221B - 1N5267B
500mW EPITAXIAL ZENER DIODE
Features
500mW Power Dissipation
High Stability
Surface Mount Equivalents Available
Hermetic Package
VZ - Tolerance ±5%
Lead Free Finish, RoHS Compliant (Note 2)
Mechanical Data
Case: DO-35
Case Material: Glass
Moisture Sensitivity: Level 1 per J-STD-020
Leads: Solderable per MIL-STD-202, Method 208
Terminals: Finish - Sn96.5Ag3.5. Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Weight: 0.13 grams (approximate)
DO-35
Dim Min Max
A 25.40
B 4.00
C 0.60
D 2.00
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Forward Voltage
@ IF = 200mA
Operating and Storage Temperature Range
Symbol
PD
RθJA
VF
TJ, TSTG
Value
500
300
1.1
-65 to +200
Notes: 1. Valid provided that leads are kept at TL 75°C with lead length = 9.5mm (3/8”) from case; derate above 75°C.
2. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
Unit
mW
°C/W
V
°C
DS18006 Rev. 17 - 3
1 of 3
www.diodes.com
1N5221B - 1N5267B
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

1N5238B Datasheet

500mW EPITAXIAL ZENER DIODE

No Preview Available !

1N5238B pdf
NOT RECOMMENDED FOR
NEW DESIGN, USE
MMSZ52xxB
Electrical Characteristics @TA = 25°C unless otherwise specified
Type
Number
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
Zener Voltage Range
(Note 3)
Nom (V)
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
VZ @ IZT
Min (V)
2.28
2.38
2.57
2.66
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
Max (V)
2.52
2.63
2.84
2.94
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
Test
Current
IZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
Maximum Zener
Impedance
ZZT @ IZT
ZZK @ IZK =
0.25mA
ΩΩ
30 1200
30 1250
30 1300
30 1400
29 1600
28 1600
24 1700
23 1900
22 2000
19 1900
17 1600
11 1600
7.0 1600
7.0 1000
5.0 750
6.0 500
8.0 500
8.0 600
10 600
17 600
22 600
30 600
13 600
15 600
16 600
17 600
19 600
21 600
23 600
25 600
29 600
33 600
35 600
41 600
44 600
49 600
58 700
70 700
80 800
93 900
105 1000
125 1100
150 1300
170 1400
185 1400
230 1600
270 1700
Table 1
Maximum Reverse
Current
IR @VR
µA V
100 1.0
100 1.0
75 1.0
75 1.0
50 1.0
25 1.0
15 1.0
10 1.0
5.0 1.0
5.0 2.0
5.0 2.0
5.0 3.0
5.0 3.5
5.0 4.0
3.0 5.0
3.0 6.0
3.0 6.5
3.0 6.5
3.0 7.0
3.0 8.0
2.0 8.4
1.0 9.1
0.5 9.9
0.1 10
0.1 11
0.1 12
0.1 13
0.1 14
0.1 14
0.1 15
0.1 17
0.1 18
0.1 19
0.1 21
0.1 21
0.1 23
0.1 25
0.1 27
0.1 30
0.1 33
0.1 36
0.1 39
0.1 43
0.1 46
0.1 47
0.1 52
0.1 56
Notes: 3. Based on dc measurement at thermal equilibrium; lead length = 9.5mm (3/8”); thermal resistance of heat sink = 30°C/W.
Maximum
Temperature
Coefficient
@ IZT
%/°C
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
+0.055
+0.030
+0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.087
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
+0.096
+0.097
+0.097
+0.097
+0.098
DS18006 Rev. 17 - 3
2 of 3
www.diodes.com
1N5221B - 1N5267B
© Diodes Incorporated


Part Number 1N5238B
Description 500mW EPITAXIAL ZENER DIODE
Maker Diodes
Total Page 3 Pages
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1N5238B pdf
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