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DEC
DEC

1N5221A Datasheet

(1N5221A/B - 1N5281A/B) 0.5W SILICON PLANAR ZENER DIODES


1N5221A Datasheet Preview


1N5221A/B THRU 1N5281A/B
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. 0.13 gram
0.5W SILICON PLANAR
ZENER DIODES
DO-35(GLASS)
0.075(1.9)
MAX.
DIA.
1.083(27.5)
MIN.
0.154(3.9)
MAX.
0.020(0.52)
MAX.
DIA.
1.083(27.5)
MIN.
Dimensions in inches and (millimeters)
Absolute Maximum Ratings (Limiting Values) (TA=25 )
Zener current see table "Characteristics"
Power dissipation at TA=75
Junction Temperature
Storage Temperature range
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
Symbols
Ptot
TJ
TSTG
Value
5001)
175
-65 to+200
Units
mW
Electrical Characteristics (TA=25 )
Symbols
Min.
Thermal resistance junction to ambient
R JA
Forward voltage at IF=200mA
VF
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
Typ.
Max.
3001)
1.1
Units
/W
V
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Page 1

1N5221A/B THRU 1N5249A/B SILICON PLANAR ZENER DIODES
Type
1N5221A/B
1N5222A/B
1N5223A/B
1N5224A/B
1N5225A/B
1N5226A/B
1N5227A/B
1N5228A/B
1N5229A/B
1N5230A/B
1N5231A/B
1N5232A/B
1N5233A/B
1N5234A/B
1N5235A/B
1N5236A/B
1N5237A/B
1N5238A/B
1N5239A/B
1N5240A/B
1N5241A/B
1N5242A/B
1N5243A/B
1N5244A/B
1N5245A/B
1N5246A/B
1N5247A/B
1N5248A/B
1N5249A/B
Zener Voltage range1)
VZNOM3)
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
IzT
mA
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
Maximum zener impedance1)
rZjt and rZjk at IZK
<1200
<30 <1250
<1300
<1400
<29 <1600
<28 <1600
<24 <1700
<23 <1900
<22 <2000
<19 <1900
<17 <1600
<11 <1600
<7 <1600
<7 <1000
<5 <750
<6 <500
<8 <500
<8
<10
<17
<22
<30
<13
<15 <600
<16
<17
<19
<21
<23
mA
0.25
Maximum Reverse
Leakage Current
IR2) at VR
A
<100
<100
<75
<75
<50
<25
<15
<10
V
1.0
2.0
5 2.0
3.0
3.5
4.0
5.0
6.0
6.5
3 6.5
7.0
8.0
<2 8.4
<1 9.1
<0.5 9.9
10
11
<0.1 12
13
14
14
Temp Coefficient
of zener voltage
TKVZ
%/K
<-0.085
<-0.085
<-0.080
<-0.080
<-0.075
<-0.070
<-0.065
<-0.060
<+0.055
<+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
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Page 2

1N5250A/B THRU 1N5281A/B SILICON PLANAR ZENER DIODES
Type
Zener Voltage range1)
VZNOM3)
IzT
Maximum zener impedance1)
rZjt and rZjk at IZK
Maximum Reverse
Leakage Current
IR2) at VR
Temp Coefficient
of zener voltage
TKVZ
1N5250A/B
1N5251A/B
1N5252A/B
1N5253A/B
V
20
22
24
25
mA
6.2 <25
5.6 <29
5.2 <33
5.0 <35 <600
mA
AV
%/K
15 <-0.086
17 <-0.087
18 <-0.088
19 <-0.089
1N5254A/B
1N5255A/B
27
28
4.6 <41
4.5 <44
21 <-0.090
21 <-0.091
1N5256A/B
30
4.2 <49
23 <-0.091
1N5257A/B
1N5258A/B
1N5259A/B
1N5260A/B
33
36
39
43
3.8 <58 <700
3.4 <70 <700
3.2 <80 <800
3.0 <93 <900
25 <-0.092
27 <+0.093
30 <+0.094
33 <+0.095
1N5261A/B
1N5262A/B
47
51
2.7
<105
<1000
2.5
<125
<1100
36 <+0.095
39 <+0.096
1N5263A/B
1N5264A/B
56
60
2.2
<150
<1300
0.25
2.1
<170
<1400
43 <+0.096
46 <+0.097
1N5265A/B
1N5266A/B
1N5267A/B
1N5268A/B
1N5269A/B
62
68
75
82
87
2.0
<185
<1400
1.8
<230
<1600
1.7
<270
<1700
1.5
<330
<2000
1.4
<370
<2200
47 <+0.097
52 <+0.097
<0.1 56 <+0.098
62 <+0.098
68 <+0.099
1N5270A/B
1N5271A/B
91
100
1.4
<400
<2300
1.3 <500
--
--
69 <+0.099
75 <+0.100
1N5272A/B
1N5273A/B
1N5274A/B
110
120
130
1.2 <700
1.0 <950
0.95 <1100
--
--
--
--
--
--
83 <+0.100
90 <+0.100
98 <+0.110
1N5275A/B
140
0.90 <1300
--
--
105 <+0.110
1N5276A/B
1N5277A/B
150
160
0.85 <1500
0.80 <1700
--
--
--
--
113 <+0.110
120 <+0.115
1N5278A/B
170
0.74 <1900
--
--
127 <+0.115
1N5279A/B
1N5280A/B
1N5281A/B
180
190
200
0.68 <2200
0.66 <2400
0.65 <2500
--
--
--
--
--
--
135 <+0.120
142 <+0.120
150 <+0.120
1) The zener impedance is derived from the 60Hz AC voltage which results when on 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 eliminate unstable units.
2) Vaild provided that leads at a distance of 8mm from case are kept at ambient temperature.
3) Measured under thermal equilibrium and DC test conditions.
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Page 3
Part Number 1N5221A
Manufactur DEC
Description (1N5221A/B - 1N5281A/B) 0.5W SILICON PLANAR ZENER DIODES
Total Page 4 Pages
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