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%.
1N5221B
THRU
DO-35
Dimensions in millimeters
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
0.52Ø
2.0MAX
25.0MIN
4.2MAX
25.0MIN
TECHNICAL SPECIFICATIONS
OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
MECHANICAL DATA
* Case: Glass sealed case
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.13 gram
* Double slug type construction
1N5259B
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.
1Max.
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%
160
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RATING AND CHARACTERISTIC CURVES (1N5221B THRU 1N5259B)
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
1N5221B 2.4 20 30 1200 -0.085 100 1.0 191
1N5222B 2.5 20 30 1250 -0.085 100 1.0 182
1N5223B 2.7 20 30 1300 -0.080 75 1.0 168
1N5224B 2.8 20 30 1400 -0.080 75 1.0 162
1N5225B 3.0 20 29 1600 +0.075 50 1.0 151
1N5226B 3.3 20 28 1600 -0.070 25 1.0 138
1N5227B 3.6 20 24 1700 -0.065 15 1.0 126
1N5228B 3.9 20 23 1900 -0.060 10 1.0 115
1N5229B 4.3 20 22 2000 ±0.055 5.0 1.0 106
1N5230B 4.7 20 19 1900 ±0.030 5.0 2.0 97
1N5231B 5.1 20 17 1600 ±0.030 5.0 2.0 89
1N5232B 5.6 20 11 1600 +0.038 5.0 3.0 81
1N5233B 6.0 20 7 1600 +0.038 5.0 3.5 76
1N5234B 6.2 20 7 1000 +0.045 5.0 4.0 73
1N5235B 6.8 20 5 750 +0.050 3.0 5.0 67
1N5236B 7.5 20 6 500 +0.058 3.0 6.0 61
1N5237B 8.2 20 8 500 +0.062 3.0 6.5 55
1N5238B 8.7 20 8 600 +0.065 3.0 6.5 52
1N5239B 9.1 20 10 600 +0.068 3.0 7.0 50
1N5240B 10 20 17 600 +0.075 3.0 8.0 45
1N5241B 11 20 22 600 +0.076 2.0 8.4 41
1N5242B 12 20 30 600 +0.077 1.0 9.1 38
1N5243B 13 9.5 13 600 +0.079 0.5 9.9 35
1N5244B 14 9.0 15 600 +0.082 0.1 10 32
1N5245B 15 8.5 16 600 +0.082 0.1 11 30
1N5246B 16 7.8 17 600 +0.083 0.1 12 28
1N5247B 17 7.4 19 600 +0.084 0.1 13 27
1N5248B 18 7.0 21 600 +0.085 0.1 14 25
1N5249B 19 6.6 23 600 +0.085 0.1 14 24
1N5250B 20 6.2 25 600 +0.086 0.1 15 23
1N5251B 22 5.6 29 600 +0.087 0.1 17 21.2
1N5252B 24 5.2 33 600 +0.088 0.1 18 19.1
1N5253B 25 5.0 35 600 +0.089 0.1 19 18.2
1N5254B 27 4.6 41 600 +0.090 0.1 21 16.8
1N5255B 28 4.5 44 600 +0.091 0.1 21 16.2
1N5256B 30 4.2 49 600 +0.091 0.1 23 15.1
1N5257B 33 3.8 58 700 +0.092 0.1 25 13.8
1N5258B 36 3.4 70 700 +0.093 0.1 27 12.6
1N5259B 39 3.2 80 800 +0.094 0.1 30 11.5
Breakdown characteristics 1N52-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
161
R
DC COMPONENTS CO., LTD.
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