DATA SHEET
ZENER DIODES
RD2.0E to RD200E
500 mW DHD ZENER DIODE
(DO-35)
DESCRIPTION
NEC Type RD2.0E to RD200E Series are planar type zener diode in the
popular DO-35 package with DHD (Double Heatsink Diode) construction
having allowable power dissipation of 500 mW. To meet various application
at customers, V
z
(zener voltage) is classified into the tight tolerance under
the specific suffix (B, B1 to B7).
PACKAGE DIMENSIONS
(in millimeters)
φ
0.5
25 MIN.
Cathode
indication
• DHD (Double Heatsink Diode) Construction
• V
z
: Applied E24 standard (RD130E to RD200E: 10 volts step)
• DO-35 Glass sealed package
φ
2.0 MAX.
25 MIN.
ORDER INFORMATION
RD2.0 E to RD39E with suffix “B1”, “B2”, “B3”, “B4”, “B5”, “B6” or “B7”
should be applied for orders for suffix “B”.
APPLICATIONS
Circuits for Constant Voltage, Constant Current, Waveform Clipper, Surge absorber, etc.
ABSOLUTE MAXIMUM RATINGS (T
A
= 25 ˚C)
Forward Current
Power Dissipation
Surge Reverse Power
Junction Temperature
Storage Temperature
I
F
P
P
RSM
T
j
T
stg
200 mA
500 mW
100 W (t = 10
µ
s)
175 ˚C
–65 to +175 ˚C
to see Fig. 17
Document No. D10213EJ5V0DS00 (5th edition)
Date Published December 1998 N CP(K)
Printed in Japan
©
4.2 MIN.
FEATURES
1981
RD2.0E to RD200E
Type
Number
Suffix
B
B1
B2
B3
B4
B
B1
B2
B3
B4
B
B1
B2
B3
B4
B
B1
B2
B3
B4
B
B1
B2
B3
B4
B
B1
B2
B3
B4
B5
B6
B7
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
Zener Voltage
V
Z
(V)
Note 1
MIN.
22.26
22.26
23.75
23.29
23.81
24.26
24.26
24.97
25.63
26.29
26.99
26.99
27.70
28.36
29.02
29.68
29.68
30.32
30.90
31.49
32.14
32.14
32.79
33.40
34.01
34.68
34.68
35.36
36.00
36.63
37.36
38.14
38.94
40
44
48
53
58
64
70
77
85
94
104
114
120
130
140
150
160
170
180
190
MAX.
24.81
23.12
23.73
24.27
24.81
27.64
25.52
26.26
26.95
27.64
30.51
28.39
29.13
29.82
30.51
33.11
31.22
31.88
32.50
33.11
35.77
33.79
34.49
35.13
35.77
40.80
36.47
37.19
37.85
38.52
39.29
40.11
40.80
45
49
54
60
66
72
79
87
96
106
116
126
140
150
160
170
180
190
200
210
I
Z
(mA)
Dynamic
Impedance
Z
Z
(Ω)
Note 2
MAX.
I
Z
(mA)
Knee Dynamic
Impedance
Z
ZK
(Ω)
Note 2
MAX.
I
Z
(mA)
Reverse Current
I
R
(
µ
A)
MAX.
V
R
(V)
RD24E
5
35
5
200
0.5
0.2
19
RD27E
5
45
5
250
0.5
0.2
21
RD30E
5
55
5
250
0.5
0.2
23
RD33E
5
65
5
250
0.5
0.2
25
RD36E
5
75
5
250
0.5
0.2
27
RD39E
5
85
5
250
0.5
0.2
30
RD43E
RD47E
RD51E
RD56E
RD62E
RD68E
RD75E
RD82E
RD91E
RD100E
RD110E
RD120E
RD130E
RD140E
RD150E
RD160E
RD170E
RD180E
RD190E
RD200E
5
5
5
5
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
90
90
110
110
200
200
300
300
400
400
750
900
1100
1300
1500
1700
1900
2200
2400
2500
5
5
5
5
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
33
36
39
43
47
52
57
63
69
76
84
91
100
110
120
130
140
140
150
160
Note 1.
tested with pulse (40 ms)
2.
Z
Z
and Z
ZK
are measured at I
Z
by given a very small A.C. current signal.
3.
Suffix B is Suffix B1, B2, B3, B4, B5, B6 or B7.
4
RD2.0E to RD200E
TYPICAL CHARACTERISTICS (T
A
= 25 ˚C)
Fig. 1 ZENER CURRENT vs.
ZENER VOLTAGE
RD2.0E
RD2.2E
RD2.4E
100 m RD2.7E
RD3.0E
RD3.3E
RD3.3E
10 m RD3.6E
RD4.3E
RD4.7E
1m
T
A
= 25 ˚C
P = 500 mW
TYP.
RD5.1E
RD5.6E RD6.8E
RD7.5E
RD8.2E
RD6.2E
RD9.1E
Fig. 2 ZENER CURRENT vs.
ZENER VOLTAGE
T
A
= 25 ˚C
TYP.
100 m
P = 500 mW
RD10E RD11E
RD12E
10 m
RD13E
1m
I
z
– Zener Current – A
100
µ
I
z
– Zener Current – A
0
1
2
3
4 5
6 7
V
z
– Zener Voltage – V
8
9
100
µ
10
µ
10
µ
1
µ
1
µ
100 n
100 n
10 n
10 n
1n
1n
0
7
8
9 10 11 12 13 14 15
V
z
– Zener Voltage – V
Fig. 3 ZENER CURRENT vs.
ZENER VOLTAGE
T
A
= 25 ˚C
TYP.
100 m
RD18E RD20E
10 m
Fig. 4 ZENER CURRENT vs.
ZENER VOLTAGE
T
A
= 25 ˚C
TYP.
P = 500 mW
RD22E
RD27E RD30E
RD24E
100 m
P = 500 mW
RD15E
10 m
RD16E
1m
1m
I
z
– Zener Current – A
I
z
– Zener Current – A
100
µ
100
µ
10
µ
10
µ
1
µ
1
µ
100 n
100 n
10 n
10 n
1n
0
12 13 14 15 16 17 18 19 20
V
z
– Zener Voltage – V
1n
0
16 18 20 22 24 26 28 30 32
V
z
– Zener Voltage – V
5
ADI Reference Circuit
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