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R
SEMICONDUCTOR
0.5W SILICON PLANAR ZENER DIODES DO-35
FEATURES
Standards zener voltage tolerance is +20%.Add suffix "A" for+10% tolerance and suffix "B" for +5% tolerance other tolerance, non standards and higher zener voltage upon request
0.079(2.0) MAX DIA
1.083(27.5) MIN
0.150(3.8) MAX
MECHANICAL DATA
Case: DO-35 glass case Polarity: Color band denotes cathode end Weight: Approx. 0.13 gram
0.020(0.52) MAX DIA 1.083(27.5) MIN
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES) (TA=25 C)
Zener current see table "Characteristics" Power dissipation at TA=75 C Junction temperature Storage temperature range
Ptot TJ TSTG
5001) 175 -65 to+200
mW
C C
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS (TA=25 C)
Thermal resistance junction to ambient air Forward voltage at IF=200mA
RTHA VF
0.3 1) 1.1
K/mW V
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
Zener Voltage range 1)
VZNOM V 2.4 2.5 2.7 2.8 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 9.5 9.0 8.5 7.8 7.4 7.0 6.6 20 <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 <600
3)
1)
IZT mA <1200 <30 <1250 <1300 <1400 <1600 <1600 <1700 <1900 <2000 <1900 <1600 <1600 <1600 <1000 <750 <500 <500 3 0.25 5 mA A <100 <100 <75 <75 <50 <25 <15 <10
IR2) at VR V
TKVz %/K <-0.085 <-0.085 <-0.080 <-0.080 1.0 <-0.075 <-0.070 <-0.065 <-0.060 <+0.055 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 <+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 <+0.086
1N5221 1N5222 1N5223 1N5224 1N5225 1N5226 1N5227 1N5228 1N5229 1N5230 1N5231 1N5232 1N5233 1N5234 1N5235 1N5236 1N5237 1N5238 1N5239 1N5240 1N5241 1N5242 1N5243 1N5244 1N5245 1N5246 1N5247 1N5248 1N5249
<2 <1 <0.5
8.4 9.1 9.9 10 11 12 13 14 14
<0.1
Zener Voltage range 1)
VZNOM V 1N5250 1N5251 1N5252 1N5253 1N5254 1N5255 1N5256 1N5257 1N5258 1N5259 1N5260 1N5261 1N5262 1N5263 1N5264 1N5265 1N5266 1N5267 1N5268 1N5269 1N5270 1N5271 1N5272 1N5273 1N5274 1N5275 1N5276 1N5277 1N5278 1N5279 1N5280 1N5281 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75 82 87 91 100 110 120 130 140 150 160 170 180 190 200
3)
1)
IZT mA 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 2.1 2.0 1.8 1.7 1.5 1.4 1.4 1.3 1.2 1.0 0.95 0.90 0.85 0.80 0.74 0.68 0.66 0.65 mA <25 <29 <33 <35 <41 <44 <49 <58 <70 <80 <93 <105 <125 <150 <170 <185 <230 <270 <330 <370 <400 <500 <700 <950 <1100 <1300 <1500 <1700 <1900 <2200 <2400 <2500 <700 <700 <800 <900 <1000 <1100 <1300 <1400 <1400 <1600 <1700 <2000 <2200 <2300 ----------------------<0.1 0.25 <600 A
IR2) at VR V 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 62 68 69 75 83 90 98 105 113 120 127 135 142 150
TKVz %/K <+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 <+0.097 <+0.097 <+0.097 <+0.098 <+0.098 <+0.099 <+0.099 <+0.100 <+0.100 <+0.100 <+0.110 <+0.110 <+0.110 <+0.115 <+0.115 <+0.120 <+0.120 <+0.120
1) The zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT or IZK) is superimposed on IZT or IZK Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to elimunate unstable units. 2) Valid provided that leads at a distance of 8mm from case are kept at ambient temperature. 3) Measured under thermal equilibrium and DC test conditions.
Admissible power dissipation versus ambient temperature (Valid provided that leads at a distance of 10mm from case are kept at ambient temperature)
mW 500
1N5225...
Ptot
400
300
200
100
0 0 100 Tamb 200 C

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