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.
.008(0.2)
.079(2.0)
.071(1.8)
.008(0.2)
.049(1.25)
.047(1.20)
CATHODE MARK
.043(1.1)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches(millimeters)
SYMBOL
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25
o
C
Junction Temperature
Storage Temperature Range
Ptot
Tj
Tstg
VALUE
500
(1)
175
-55 to + 175
UNITS
mW
o
o
C
C
K/mW
Thermal Resistance
Junction to Ambient Air
RthA
-
-
0.3
(1)
Typ.
Min.
Max.
Volts
Forward Voltage
at IF=100mA
V
F
-
-
1
Typ.
Min.
Max.
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%
RATING AND CHARACTERISTIC CURVES (DLM5221B THRU DLM5259B)
Nominal Zener
Test
Zener
Voltage Current
I
ZT
V
Z
@I
ZT
Volts
mA
Maximum Zener
Impedance
Z
ZT
@I
ZT
Z
ZT
@I
ZK
Ohms
Ohms
mA
µA
I
ZK
Maximum Reverse
Leakage Current
I
R
@ V
R
Volts
Typical
Temperature
Coefficient
% /
o
C
Max.
Zener
Current
I
ZM
@T
A
mA
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
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
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
30
30
30
30
28
24
23
22
19
17
11
9
7
5
6
8
9
10
17
22
30
13
14
16
17
19
21
23
25
29
33
36
41
44
49
58
70
80
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
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
100
100
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
3
2
1
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.0
6.5
6.5
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
- 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
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
NOTE: Standard Zener Voltage Tolerance ± 5%
changes in the power dissipation
due to the ambient temperature.
Power dissipation
mA
50
Breakdown characteristics
5V
10V
15V
20V
DLM52 SERIES
25V
30V
Pd(mw)
40
IZ
500
400
300
200
100
10
20
30
Test Current
IZ 20mA
50
100
150
200
250
0
Ta(
o
C)
Ambient Temperature.
DC COMPONENTS CO., LTD.
R
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VZ
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