DL52/ZMM52-SERIES
ZENER DIODES
Zener Voltage:
2.4-56V
Peak Pulse Power:
500mW
FEATURE
MINI MELF/LL-34
Low zener impedance
Low regulation factor
Glass passivated junction
High temperature soldering guaranteed:
260 C/10S at terminals
0.063(1.6)
0.055(1.4)
0.020(0.5)
0.012(0.3)
0.146(3.7)
0.130(3.3)
0.020(0.5)
0.012(0.3)
MECHANICAL DATA
Case:
MINI MELF molded glass body
Terminals:
Plated leads, solderable per MIL-STD 750,
method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.002 ounce,0.05 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog Number
SYMBOLS
VALUE
UNITS
Zener Current see Table Characteristics
Power Dissipation at Tamb=25 C(Note 1)
Junction Temperature
Storage Temperature Range
Thermal resistance junction ambient(Note 1)
Forward voltage at I
F
=200mA
P
tot
T
j
T
STG
R
θJA
V
F
500
200
-65 to + 200
0.3
1.1
mW
C
C
K/mW
V
Note 1: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
MDD ELECTRONIC
ELECTRICAL CHARACTERISTICS (at T
A
=25 C unless otherwise noted)
Nominal
Zener
Voltage
Vz@I
ZT
(Volts)
Maximum Zener
Impedance
Z
ZT@
I
ZT
Ohms
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
150
125
150
Device Type
Test
Current
I
ZT
(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
Maximum
Maximum Reverse
Typical
Regulator
Leakage Current Temperature
Current
Coefficient
@V
R
Z
ZK@
I
ZK
=0.25mA
I
R
I
ZM
µA
mA
Ohms
(%/ C)
Volts
1200
1250
1300
1400
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
900
1000
1100
1300
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
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
1.0
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
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
-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
+0.085
+0.086
+0.087
+0.088
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
+0.096
191
182
168
162
151
138
126
115
106
97
89
81
76
73
67
61
55
52
50
45
41
38
35
32
30
28
27
25
24
23
21.2
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.5
10.6
9.7
8.9
8.1
DL5221B/ZMM5221B
2.4
DL5222B/ZMM5222B
2.5
DL5223B/ZMM5223B
2.7
DL5224B/ZMM5224B
2.8
DL5225B/ZMM5225B
3.0
DL5226B/ZMM5226B
3.3
DL5227B/ZMM5227B
3.6
DL5228B/ZMM5228B
3.9
DL5229B/ZMM5229B
4.3
DL5230B/ZMM5230B
4.7
DL5231B/ZMM5231B
5.1
DL5232B/ZMM5232B
5.6
DL5233B/ZMM5233B
6.0
DL5234B/ZMM5234B
6.2
DL5235B/ZMM5235B
6.8
DL5236B/ZMM5236B
7.5
DL5237B/ZMM5237B
8.2
DL5238B/ZMM5238B
8.7
DL5239B/ZMM5239B
9.1
DL5240B/ZMM5240B
10
DL5241B/ZMM5241B
11
DL5242B/ZMM5242B
12
DL5243B/ZMM5243B
13
DL5244B/ZMM5244B
14
DL5245B/ZMM5245B
15
DL5246B/ZMM5246B
16
DL5247B/ZMM5247B
17
DL5248B/ZMM5248B
18
DL5249B/ZMM5249B
19
DL5250B/ZMM5250B
20
DL5251B/ZMM5251B
22
DL5252B/ZMM5252B
24
DL5253B/ZMM5253B
25
DL5254B/ZMM5254B
27
DL5255B/ZMM5255B
28
DL5256B/ZMM5256B
30
DL5257B/ZMM5257B
33
DL5258B/ZMM5258B
36
DL5259B/ZMM5259B
39
DL5260B/ZMM5260B
43
DL5261B/ZMM5261B
47
DL5262B/ZMM5262B
51
DL5263B/ZMM5263B
56
Note 1: Suffix “B” indicate +5% tolerance
MDD ELECTRONIC
RATINGS AND CHARACTERISTIC CURVES DL/ZMM52 SERIES
Breakdown characteristics
mA
50
Iz,TEST CURRENT,MILLIAMPERS
5
10
15
20
25
30
V
40
30
Test Current
Iz=20mA
20
10
0
P
tot,
POWER DISSIPATION,MILLIWATTS
DL/ZMM5224
DL/ZMM5228
Admissible power dissipation versus ambient temperature
Valid provided that leads are kept at ambient temperature at a distance of 10mm from case
500
400
300
200
100
0
DL/ZMM5235
DL/ZMM5234
DL/ZMM5232
DL/ZMM5231
DL/ZMM5230
DL/ZMM5229
DL/ZMM5239
0
MDD ELECTRONIC
DL/ZMM5242
DL/ZMM5241
50
Vz,ZENER VOLTAGE,volts
100
AMBIENT TEMPERATURE, C
DL/ZMM5245
150
200
DL/ZMM5250
250
DL/ZMM5252
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