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DC COMPONENTS CO., LTD.
R RECTIFIER SPECIALISTS
DLM5221B
THRU
DLM5259B
TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
* Double slug type construction
Micro Melf
MECHANICAL DATA
* Case: Glass sealed case Micro Melf
* Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.05 grams Approx.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
.079(2.0)
.071(1.8)
.008(0.2)
.008(0.2)
CATHODE MARK
.049(1.25)
.047(1.20)
.043(1.1)
Dimensions in inches(millimeters)
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25oC
Junction Temperature
Storage Temperature Range
Thermal Resistance
Junction to Ambient Air
SYMBOL
Ptot
Tj
Tstg
RthA
Forward Voltage
at IF=100mA
VF
1)Valid Provided that leads are kept at ambient temperature at a distance of 10 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance ± 5%
VALUE
500(1)
175
-55 to + 175
-
-
0.3(1)
-
-
1
UNITS
mW
oC
oC
K/mW
Typ.
Min.
Max.
Volts
Typ.
Min.
Max.

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RATING AND CHARACTERISTIC CURVES (DLM5221B THRU DLM5259B)
TYPE
DLM5221B
DLM5222B
DLM5223B
DLM5225B
DLM5226B
DLM5227B
DLM5228B
DLM5229B
DLM5230B
DLM5231B
DLM5232B
DLM5233B
DLM5234B
DLM5235B
DLM5236B
DLM5237B
DLM5238B
DLM5239B
DLM5240B
DLM5241B
DLM5242B
DLM5243B
DLM5244B
DLM5245B
DLM5246B
DLM5247B
DLM5248B
DLM5249B
DLM5250B
DLM5251B
DLM5252B
DLM5253B
DLM5254B
DLM5255B
DLM5256B
DLM5257B
DLM5258B
DLM5259B
Nominal
Zener
Voltage
VZ@IZT
Volts
2.4
2.5
2.7
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
Zener
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
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
Maximum Zener
Impedance
ZZT@IZT ZZT@IZK
Ohms Ohms
30 1200
30 1250
30 1300
30 1600
28 1600
24 1700
23 1900
22 2000
19 1900
17 1600
11 1600
9 1600
7 1000
5 750
6 500
8 500
9 600
10 600
17 600
22 600
30 600
13 600
14 600
16 600
17 600
19 600
21 600
23 600
25 600
29 600
33 600
36 600
41 600
44 600
49 600
58 700
70 700
80 800
NOTE: Standard Zener Voltage Tolerance ± 5%
IZK
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
Leakage Current
IR @ VR
µA Volts
100 1.0
100 1.0
75 1.0
50 1.0
25 1.0
15 1.0
10 1.0
5 1.0
5 2.0
5 2.0
5 3.0
5 3.5
5 4.0
3 5.0
3 6.0
3 6.0
3 6.5
3 6.5
3 8.0
3 8.4
2 9.1
1 9.9
0.5 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
Typical
Temperature
Coefficient
Max.
Zener
Current
IZM@TA
% / oC
-0.070
-0.065
-0.060
-0.055
0.030
0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.060
+0.062
+0.065
+0.068
+0.075
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.082
+0.083
+0.084
+0.084
+0.085
+0.085
+0.086
+0.086
+0.087
+0.087
+0.087
+0.089
+0.090
+0.091
+0.091
+0.092
mA
188
180
167
150
136
126
115
106
97
89
81
76
73
67
61
55
52
50
45
41
38
35
32
30
28
27
25
24
23
21
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.6
changes in the power dissipation
due to the ambient temperature.
500
400
300
200
100
50 100 150 200 250
Ta(oC)
Ambient Temperature.
Breakdown characteristics
mA
5V
10V 15V
20V
50
40
IZ
30
20
Test Current
IZ 20mA
10
0
DLM52 SERIES
25V 30V
DC COMPONENTS CO., LTD.
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