R
S E M I C O N D U C T O R
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)
(T
A
=25 C)
Zener current see table "Characteristics"
Power dissipation at T
A
=75 C
Junction temperature
Storage temperature range
P
tot
T
J
T
STG
500
1)
175
-65 to+200
mW
C
C
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS
(T
A
=25 C)
Thermal resistance junction to ambient air
Forward voltage at I
F
=200mA
R
THA
V
F
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)
V
Z
NOM
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)
I
ZT
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
I
R2)
at V
R
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
TK
Vz
%/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 (I
ZT
or I
ZK
) is
superimposed on I
ZT
or I
ZK
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...
P
tot
400
300
200
100
0
0
100
T
amb
200 C
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