Page 1
CE 1N5221 THRU 1N5281
CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES
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.
MECHANICAL DATA
. Case: DO-35 glass case
. Polarity: Color band denotes cathode end
. Weight: Approx. 0.13gram
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 )
Symbols Value Units
Zener current see table "Characteristics"
Power dissipation at T
Junction temperature T
Storage temperature range TSTG
1)Valid provided that at a distance of 8mm from case are kept at ambient temperature
A=75 Ptot mW
J
500
175
-65 to + 175
ELECTRICAL CHARACTERISTICS(TA=25 )
Symbols Min. Typ. Max. Units
Thermal resistance junction to ambient R
Forward voltage at I
1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
F=200mA VF 1.1 V
THA 0.31) K/mW
1)
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 1 of 4
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CE 1N5221 THRU 1N5281
CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES
1N5221…1N5249 SILICON PLANAR ZENER DIODES
Zener Voltage Range
Type
1N5221 2.4 <1200
1N5222 2.5 <1250
1N5223 2.6 <1300
1N5224 2.8 <1400
1N5225 3.0 <29 <1600
1N5226 3.3 <28 <1600
1N5227 3.6 <24 <1700
1N5228 3.9 <23 <1900
1N5229 4.3 <22 <2000 <+0.055
1N5230 4.7 <19 <1900
1N5231 5.1 <17 <1600
1N5232 5.6 <11 <1600
1N5233 6.0 <7 <1600
1N5234 6.2 <7 <1000
1N5235 6.8 <5 <750
1N5236 7.5 <6 <500
1N5237 8.2 <8 <500
1N5238 8.7 <8
1N5239 9.1 <10
1N5240 10 <17
1N5241 11 <22
1N5242 12 <30
1N5243 13
1N5244 14
1N5245 15
1N5246 16
1N5247 17
1N5248 18
1N5249 19
ZNOM 3) IZT TKVZ
V
V mA mA A V %/K
1)
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
Maximum zener impedance 1)
rzjt and rzjk at Izk
<30
0.25
<13
<15
<16
<17
<19
<21
<23
<600
Maximum Reverse
Leakage Current
R 2) at VR
I
<100
<100
<75
<75
<50
<25
<15
<10
5
3
<2 8.4
<1 9.1
<0.5 9.9
0.1
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
10
11
12
13
14
14
Temp.Coefficient
of zener diode
<-0.085
<-0.085
<-0.080
<-0.080
<-0.075
<-0.070
<-0.065
<-0.060
<+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
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 4
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CE 1N5221 THRU 1N5281
CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES
1N5250…1N5281 SILICON PLANAR ZENER DIODES
Zener Voltage Range
Type
1N5250
1N5251 22
1N5252 24
1N5253 25
1N5254 27
1N5255 28
1N5256 30
1N5257 33
1N5258 36
1N5259 39
1N5260 43
1N5261 47
1N5262 51
1N5263 56
1N5264 60
1N5265 62
1N5266 68
1N5267 75
1N5268 82
1N5269 87
1N5270 91
1N5271 100
1N5272 110
1N5273 120
1N5274 130
1N5275 140
1N5276 150
1N5277 160
1N5278 170
1N5279 180
1N5280 190
1N5281 200 0.65 <2500 150 <+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) is suprimposed on IZT or IZK Zener impedance is measured at two points to insure a sharp knee on the
breakdown curve and to eliminate 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.
ZNOM 3) IZT TKVZ
V
V mA mA A V %/K
20
1) Maximum zener impedance 1)
rzjt and rzjk at Izk
6.2
5.6 <29 17
5.2 <33 18
5.0 <35 19
4.6 <41 21
4.5 <44 21
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
<25
<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
<600
<700 25
<700 27
<800 30
<900 33
<1000 36
<1100 39
<1300 43
<1400 46
<1400 47
<1600 52
<1700 56
<2000 62
<2200 68
<2300 69
Maximum Reverse
Leakage Current
IR 2) at VR
15
23
<0.10.25
75
83
90
98
105
113
120
127
135
142
Temp.Coefficient
of zener diode
<+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
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 3 of 4
Page 4
CE 1N5221 THRU 1N5281
CHENYI ELECTRONICS 0.5W SILICON PLANAR ZENER DIODES
1N5221…1N5281 SILICON PLANAR ZENER DIODES
Admissible power dissipation versus ambient temperature
(Valid provided that leads at a distance of 10mm from case
are kept at ambient temperature)
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
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