GAL AXY ELECTRICAL
FEATURES
Silicon planar power zener diodes
Standard Zener voltage tolerance is ±5%. With a "B"
suffix. Other tolerances are available upon request.
MECHANICAL DATA
Case:DO-35, Glass Case
Terminals: Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Approx. Weight: 0.13 grams.
Thermal resistance junction to ambient
Forw ard voltage at IF=200mA
3001)
Storage temperature range
Ts -55---+175
Pow er dissipation at Tamb=25 Ptot 5001)
NOTES: (1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
1.2 V
/W
SYMBOL
V
F
UNITMAXTYPMIN
RθJA
Junction temperature TJ175
mW
Zener current (see Table "Characteristics")
1N5221B - - - 1N5279B
ZENER DIODES POWER DISSIPATION: 500 mW
DO-35(GLASS)
UNITVALUESYMBOL
MAXIMU M RA TINGS AND ELECTRICAL CHARACTERISTIC S
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
BLGALAXY ELECTRICAL
Document Number 0284001 1.
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BL
Nominal Zener
Voltage1)
Test
Current
Typical
Temperature
of Coeffizient
VZIZT ZZT@IZT
ZZK@
IZK=0.25mA αVZ@IZT IRM VR
VmAΩΩ
%/℃
µA V
1N5221B 2.4 20 30 1200 -0.085 100 1.0
1N5222B 2.5 20 30 1250 -0.085 100 1.0
1N5223B 2.7 20 30 1300 -0.080 75 1.0
1N5224B 2.8 20 30 1400 -0.080 75 1.0
1N5225B 3.0 20 29 1600 -0.075 50 1.0
1N5226B 3.3 20 28 1600 -0.070 25 1.0
1N5227B 3.6 20 24 1700 -0.065 15 1.0
1N5228B 3.9 20 23 1900 -0.060 10 1.0
1N5229B 4.3 20 22 2000 -0.055 5.0 1.0
1N5230B 4.7 20 19 1900 ﹢0.030 5.0 2.0
1N5231B 5.1 20 17 1600 ﹢0.030 5.0 2.0
1N5232B 5.6 20 11 1600 ﹢0.038 5.0 3.0
1N5233B 6.0 20 7.0 1600 ﹢0.038 5.0 3.5
1N5234B 6.2 20 7.0 1000 ﹢0.045 5.0 4.0
1N5235B 6.8 20 5.0 750 ﹢0.050 3.0 5.0
1N5236B 7.5 20 6.0 500 ﹢0.058 3.0 6.0
1N5237B 8.2 20 8.0 500 ﹢0.062 3.0 6.5
1N5238B 8.7 20 8.0 600 ﹢0.065 3.0 6.5
1N5239B 9.1 20 10 600 ﹢0.068 3.0 7.0
1N5240B 10 20 17 600 ﹢0.075 3.0 8.0
1N5241B 11 20 22 600 ﹢0.076 2.0 8.4
1N5242B 12 20 30 600 ﹢0.077 1.0 9.1
1N5243B 13 10 13 600 ﹢0.079 0.5 9.9
1N5244B 14 9.0 15 600 ﹢0.082 0.1 10
1N5245B 15 8.5 16 600 ﹢0.082 0.1 11
1N5246B 16 7.8 17 600 ﹢0.083 0.1 12
1N5247B 17 7.4 19 600 ﹢0.084 0.1 13
1N5248B 18 7.0 21 600 ﹢0.085 0.1 14
1N5249B 19 6.6 23 600 ﹢0.086 0.1 14
1N5250B 20 6.2 25 600 ﹢0.086 0.1 15
1N5251B 22 5.6 29 600 ﹢0.087 0.1 17
1N5252B 24 5.2 33 600 ﹢0.087 0.1 18
1N5253B 25 5.0 35 600 ﹢0.089 0.1 19
1N5254B 27 4.6 41 600 ﹢0.090 0.1 21
1N5255B 28 4.5 44 600 ﹢0.091 0.1 21
1N5256B 30 4.2 49 600 ﹢0.091 0.1 23
1N5257B 33 3.8 58 700 ﹢0.092 0.1 25
1N5258B 36 3.4 70 700 ﹢0.093 0.1 27
1N5259B 39 3.2 80 800 ﹢0.094 0.1 30
1N5260B 43 3.0 93 900 ﹢0.095 0.1 33
1N5261B 47 2.7 105 1000 ﹢0.095 0.1 36
1N5262B 51 2.5 125 1100 ﹢0.096 0.1 39
1N5263B 56 2.2 150 1300 ﹢0.096 0.1 43
1N5264B 60 2.1 170 1400 ﹢0.097 0.1 46
1N5265B 62 2.0 185 1400 ﹢0.097 0.1 47
1N5266B 68 1.8 230 1600 ﹢0.097 0.1 52
1N5267B 75 1.7 270 1700 ﹢0.098 0.1 56
1N5268B 85 1.5 330 2000 ﹢0.098 0.1 62
1N5269B 87 1.4 370 2200 ﹢0.099 0.1 68
1N5270B 91 1.4 400 2300 ﹢0.099 0.1 69
1N5271B 100 1.3 500 2600 ﹢0.099 0.1 76
1N5272B 110 1.1 750 3000 ﹢0.11 0.1 84
1N5273B 120 1.0 900 4000 ﹢0.11 0.1 91
1N5274B 130 0.95 1100 4500 ﹢0.11 0.1 99
1N5275B 140 0.90 1300 4500 ﹢0.11 0.1 106
1N5276B 150 0.95 1500 5000 ﹢0.11 0.1 114
1N5277B 160 0.80 1700 5500 ﹢0.11 0.1 122
1N5278B 170 0.74 1900 5500 ﹢0.11 0.1 129
1N5279B 180 0.68 2200 6000 ﹢0.11 0.1 137
1)Based on dc-measurement at thermal equilibrium; lead length=9.5(3/8");thermal resistance of heat sink=30K/W
ELECTRICAL CHARACTERISTICS (TA=25℃)
Maximum Reverse
Leakage Current
Type
Maximum Dynamic
Impedance1)
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BLGALAXY ELECTRICAL
Document Number 0284001 2.
RATINGS AND CHARACTERISTIC CURVES 1N5221B - - - 1N5279B
FIG.1 -- BREAKDOWN CHARACTERISTICS
FIG.2 -- ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE
BLGALAXY ELECTRICAL
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Document Number 0284001 3.
mW
500
400
300
100
200
0
0 100 200℃
Ptot
Tamb
mA
50
40
30
10
20
0
1N5224
510
IZ
2015 30 V25
VZ
1N5228
1N5229
1N5230
1N5231
1N5232
1N5234
1N5235
1N5239
1N5241
1N5242
1N5245
1N5250
1N5252
Test current
Iz=20mA
