MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
DL5221B
THRU
DL-35
Dimensions in millimeters
RECTIFIER SPECIALISTS
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TECHNICAL SPECIFICATIONS
OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
MECHANICAL DATA
* Case: Glass case Minimelf DL-35
* Mounting position: Any
* Weight: 0.05 gram Approx.
* Double slug type construction
DL5259B
1.45±0.05
3.5±0.1
0.3±0.1 CATHODE MARK
* Terminals:Solder plated, solderable per
MIL-STD-750, Method 2026
* Polarity: Color band denotes cathode end
SYMBOL VALUE UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25oC Ptot 500(1) mW
Junction Temperature Tj 175
oC
Storage Temperature Range Tstg -55 to + 175
oC
K/mW
Thermal Resistance RthA - Typ.
Junction to Ambient Air - Min.
0.3(1) Max.
Volts
Forward Voltage VF - Typ.
at IF=100mA - Min.
1 Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 8 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance ± 5%
298
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RATING AND CHARACTERISTIC CURVES (DL5221B THRU DL5259B)
Nominal
Zener
Voltage
VZ@IZT
Volts
Zener
Test
Current
IZT
mA
Maximum Zener
Impedance
ZZT@IZT ZZT@IZK()
Ohms Ohms.
Maximum Reverse
Leakage Current
IR @VR
uA Volts
Typical
Temperature
Coefficient
% / oC
Maximum
Regulator
Current
IZM
mA
DL5221B 2.4 20 30 1200 -0.085 100 1.0 191
DL5222B 2.5 20 30 1250 -0.085 100 1.0 182
DL5223B 2.7 20 30 1300 -0.080 75 1.0 168
DL5224B 2.8 20 30 1400 -0.080 75 1.0 162
DL5225B 3.0 20 29 1600 +0.075 50 1.0 151
DL5226B 3.3 20 28 1600 -0.070 25 1.0 138
DL5227B 3.6 20 24 1700 -0.065 15 1.0 126
DL5228B 3.9 20 23 1900 -0.060 10 1.0 115
DL5229B 4.3 20 22 2000 ±0.055 5.0 1.0 106
DL5230B 4.7 20 19 1900 ±0.030 5.0 2.0 97
DL5231B 5.1 20 17 1600 ±0.030 5.0 2.0 89
DL5232B 5.6 20 11 1600 +0.038 5.0 3.0 81
DL5233B 6.0 20 7 1600 +0.038 5.0 3.5 76
DL5234B 6.2 20 7 1000 +0.045 5.0 4.0 73
DL5235B 6.8 20 5 750 +0.050 3.0 5.0 67
DL5236B 7.5 20 6 500 +0.058 3.0 6.0 61
DL5237B 8.2 20 8 500 +0.062 3.0 6.5 55
DL5238B 8.7 20 8 600 +0.065 3.0 6.5 52
DL5239B 9.1 20 10 600 +0.068 3.0 7.0 50
DL5240B 10 20 17 600 +0.075 3.0 8.0 45
DL5241B 11 20 22 600 +0.076 2.0 8.4 41
DL5242B 12 20 30 600 +0.077 1.0 9.1 38
DL5243B 13 9.5 13 600 +0.079 0.5 9.9 35
DL5244B 14 9.0 15 600 +0.082 0.1 10 32
DL5245B 15 8.5 16 600 +0.082 0.1 11 30
DL5246B 16 7.8 17 600 +0.083 0.1 12 28
DL5247B 17 7.4 19 600 +0.084 0.1 13 27
DL5248B 18 7.0 21 600 +0.085 0.1 14 25
DL5249B 19 6.6 23 600 +0.085 0.1 14 24
DL5250B 20 6.2 25 600 +0.086 0.1 15 23
DL5251B 22 5.6 29 600 +0.087 0.1 17 21.2
DL5252B 24 5.2 33 600 +0.088 0.1 18 19.1
DL5253B 25 5.0 35 600 +0.089 0.1 19 18.2
DL5254B 27 4.6 41 600 +0.090 0.1 21 16.8
DL5255B 28 4.5 44 600 +0.091 0.1 21 16.2
DL5256B 30 4.2 49 600 +0.091 0.1 23 15.1
DL5257B 33 3.8 58 700 +0.092 0.1 25 13.8
DL5258B 36 3.4 70 700 +0.093 0.1 27 12.6
DL5259B 39 3.2 80 800 +0.094 0.1 30 11.5
Breakdown characteristics DL52 SERIES
mA
50
40
30
20
10
0
5V 10V 15V 20V 25V 30V
IZ
VZ
1N5252
1N5250
1N5245
1N5242
1N5241
1N5239
1N5235
1N5234
1N5232
1N5231
1N5230
1N5229
1N5228
1N5224
Test Current
IZ 20mA
changes in the power dissipation
due to the ambient temperature.
500
400
300
200
100
Pd(mw)
Ta(oC)
50 100 150 200 300
Ambient Temperature.
Power dissipation
( )Izk=0.25mA
299
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