SHANGHAI SUNRISE ELECTRONICS CO., LTD.
XR73-2.0 THRU XR73-20
PLANAR ZENER DIODE
ZENER VOLTAGE: 2.0-20V
POWER: 500mW
FEATURES
• Small glass structure ensures high reliability
• Zener impedence at low current is small
• High temperature soldering guaranteed:
250
o
C/10S/9.5mm lead length
at 5 lbs tension
TECHNICAL
SPECIFICATION
DO - 35
1.0 (25.4)
MIN.
.120 (3.0)
.200 (5.1)
1.0 (25.4)
MIN.
.060 (1.5)
.090 (2.3) DIA.
MECHANICAL DATA
• Terminal: Plated axial leads solderable per
MIL-STD 202E, method 208C
• Case: Glass,hermetically sealed
• Polarity: Color band denotes cathode
• Mounting position: Any
.018 (0.46)
.022 (0.56) DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND CHARACTERISTICS
(Ratings at 25
o
C ambient temperature unless otherwise specified)
RATINGS
SYMBOL
VALUE
UNITS
mA
mW
o
I
Z MAX
Zener Current
see table
P
t
Power Dissipation
(Note 1)
500
Thermal Resistance
R
θ
(ja)
0.3
(junction to ambient)
(Note 1)
T
J
,T
STG
Operating Junction and Storage Temperature Range
-55 ~ +175
Note:
1. Valid provided that leads are kept at ambient temperature at a distance of 8mm from case.
C/mW
o
C
http://www.sse-diode.com
CHARACTERISTICS TABLE
V
Z
(V)
TYPE
R
XR73-2.0
XR73-2.2
XR73-2.4
XR73-2.7
XR73-3.0
XR72-3.3
1.88-2.20
2.12-2.41
2.33-2.63
2.54-2.91
2.85-3.22
3.16-3.53
1.88-2.10
2.12-2.30
2.33-2.52
2.54-2.75
2.85-3.07
3.16-3.38
Rz
R
ZK
I
R
I
Z
(25 C)
max
(mA)
150
140
130
130
120
110
100
90
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
o
CLASSIFICATION
S
2.02-2.20
2.22-2.41
2.43-2.63
2.69-2.91
3.01-3.22
3.32-3.53
T
U
I
Z
I
Z
max
max I
ZK
max V
R
(mA) (W) (mA) (W) (mA) (mA) (V)
20
20
20
20
20
20
20
20
140
120
100
100
80
70
60
50
40
30
30
20
20
15
15
10
10
10
10
15
15
20
20
25
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
2000
2000
2000
1000
1000
1000
1000
1000
1000
1500
1500
1500
1500
600
600
500
500
500
500
500
500
500
500
500
500
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
120
120
100
50
20
10
5
5
5
5
3
3
2
2
1
1
1
1
1
1
1
1
1
1
1
0.5
0.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.5
3.5
5
7
7
7
8
10
11
12
13
14
XR73-3.6
3.455-3.845 3.455-3.695 3.60-3.845
XR73-3.9
XR73-4.3
XR73-4.7
XR73-5.1
XR73-5.6
XR73-6.2
XR73-6.8
XR73-7.5
XR73-8.2
XR73-9.1
3.74-4.16
4.04-4.57
4.44-4.93
4.81-5.37
5.28-5.91
5.78-6.44
6.29-7.01
6.85-7.67
7.53-8.45
8.29-9.30
3.74-4.01
4.04-4.29
4.44-4.68
4.81-5.07
5.28-5.55
5.78-6.09
6.29-6.63
6.85-7.22
7.53-7.92
8.29-8.73
9.12-9.59
3.89-4.16
4.17-4.43
4.55-4.80
4.94-5.20
5.45-5.73
5.96-6.27
6.49-6.83
7.07-7.45
7.78-8.19
8.57-9.01
9.41-9.90
4.30-4.57
4.68-4.93
5.09-5.37
5.61-5.91
6.12-6.44
6.66-7.01
7.29-7.67
8.03-8.45
8.83-9.30
9.70-10.20
9.94-10.44
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
XR73-10
9.12-10.44
XR73-11
10.18-11.38 10.18-10.71 10.50-11.05 10.82-11.38
XR73-12
11.13-12.35 11.13-11.71 11.44-12.03 11.74-12.35
XR73-13
12.11-13.66 12.11-12.75 12.55-13.21 12.99-13.66
XR73-15
13.44-15.09 13.44-14.13 13.89-14.62 14.35-15.09
XR73-16
14.80-16.51 14.80-15.57 15.25-16.04 15.69-16.51
XR73-18
16.22-18.33 16.22-17.06 16.82-17.70 17.42-18.33
XR73-20
18.02-20.72 18.02-18.96 18.63-19.59 19.23-20.22 19.72-20.72
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