1N5221B THRU 1N5267B
500mW EPITAXIAL ZENER DIODE
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.
DO-35
Φ
0.5 ±
0.1
MECHANICAL DATA
.
Polarity
: Color band denotes cathode end
.
Weight
: Approx. 0.13gram
Φ
1.8 ±
All Dimensions in mm
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)
(T
A
=25℃ )
Symbols
Zener current see table "Characteristics"
Power dissipation at T
A
=75℃
Junction temperature
Storage temperature range
P
tot
T
J
T
STG
26 ± 1
3.8 ± 0.2
0.2
.
Case
: DO-35 glass case
26 ± 1
Value
Units
mW
500
1)
175
-65 to + 200
℃
℃
1)Valid provided that at a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS
(TA=25℃ )
Symbols
Thermal resistance junction to ambient
Forward voltage
at I
F
=200mA
R
THA
V
F
Min.
Typ.
Max.
0.3
1)
1.1
Units
K
/mW
V
1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
1N5221B THRU 1N5267B
500mW EPITAXIAL ZENER DIODE
Electrical Characteristics
Type
Number
Nom (V)
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
Notes:
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
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
@ T
A
= 25
℃ unless otherwise specified
Test
Current
I
ZT
Max (V)
2.52
2.63
2.84
2.94
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
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
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
6.0
8.0
8.0
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
Maximum Zener
Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
=
0.25mA
Maximum Reverse
Current
I
R
µA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@V
R
V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
Maximum
Temperature
Coefficient
@ I
ZT
%/ C
-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
+0.086
+0.087
+0.087
+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
Zener Voltage Range
(Note 2)
V
Z
@ I
ZT
Min (V)
2.28
2.38
2.57
2.66
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
2. Based on dc measurement at thermal equilibrium; lead length = 9.5mm (3/8”); thermal resistance of heat sink = 30°C/W.
1N5221B THRU 1N5267B
RATINGS AND CHARACTERISTIC CURVES
Breakdown characteristics
50
Iz,TEST CURRENT,MILLIAMPERS
mA
5
10
15
20
25
30
V
40
30
Test Current
Iz=20mA
20
10
0
P
tot,
POWER DISSIPATION,MILLIWATTS
1N5224
1N5242
1N5241
1N5245
1N5250
1N5252
1N5228
1N5235
1N5234
1N5232
1N5231
1N5230
1N5229
Admissible power dissipation versus ambient temperature
Valid provided that leads are kept at ambient temperature at a distance of 10mm from case
500
400
300
200
100
0
1N5239
0
Vz,ZENER VOLTAGE,volts
50
100
150
200
250
AMBIENT TEMPERATURE, C
Microcontroller MCU
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