DATA SHEET
RD2.0E to RD120E
500 mW PLANAR TYPE SILICON ZENER DIODES
ZENER DIODES
DESCRIPTION
These products are zener diodes with an allowable
dissipation of 500 mW and a planar type glass sealed DHD
(double heatsink diode) structure.
PACKAGE DRAWING (Unit: mm)
φ
0.5
25 MIN.
Cathode
indication
• The zener voltage series has a wide voltage range of 2 to
120 V and is ideal for standardization.
• The E24 series is employed for the zener voltage nominal
value.
φ
2.0 MAX.
25 MIN.
ORDERING INFORMATION
Any of the B1 to B7 voltage classifications are available for
customers who request the B grade product of the RD2.0E to
RD39E.
Marking color: Black
JEDEC: DO-35
APPLICATIONS
• Zener voltage and constant-current circuit
• Waveform clipper circuit and limiter circuit
• Surge absorption circuit
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C)
Parameter
Power dissipation
Junction temperature
Forward current
Storage temperature
Surge reverse power
P
T
i
I
F
T
stg
P
RSM
Symbol
Ratings
500
175
200
−65
to +175
100 (t = 100
µ
s)
Unit
mW
°C
mA
°C
W
Refer to Figure 6.
Remarks
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. D10211EJ6V1DS00 (6th edition)
Date Published December 2004 NS CP(K)
Printed in Japan
The mark
shows major revised points.
4.2 MAX.
FEATURES
2002
RD2.0E to RD120E
Type
Number
Suffix
Zener Voltage
Note 1
Vz (V)
Dynamic
Impedance
Note 2
Z
Z
(Ω)
MAX.
28
Iz (mA)
10
Knee dynamic
Impedance
Note 2
Z
ZK
(Ω)
MAX.
200
Iz (mA)
0.5
Reverse Current
I
R
(
µ
A)
Zener Voltage
Temperature
Coefficient
γ
Z
(mV/°C)
TYP.
15
Iz (mA)
10
MIN.
RD20E
B
B1
B2
B3
B4
RD22E
B
B1
B2
B3
B4
RD24E
B
B1
B2
B3
B4
RD27E
B
B1
B2
B3
B4
RD30E
B
B1
B2
B3
B4
RD33E
B
B1
B2
B3
B4
RD36E
B
B1
B2
B3
B4
R39E
B
B1
B2
B3
B4
B5
B6
B7
18.11
18.11
18.73
19.38
19.88
20.23
20.23
20.76
21.22
21.68
22.26
22.26
22.75
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
MAX.
20.72
18.92
19.57
20.22
20.72
22.61
21.08
21.65
22.09
22.61
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
Iz (mA)
10
MAX.
0.2
Iz (mA)
15
5
30
5
200
0.5
0.2
17
17
5
5
35
5
200
0.5
0.2
19
19
5
5
45
5
250
0.5
0.2
21
21
5
5
55
5
250
0.5
0.2
23
24
5
5
65
5
250
0.5
0.2
25
26
5
5
75
5
250
0.5
0.2
27
29
5
5
85
5
250
0.5
0.2
30
32
5
Notes 1.
The zener voltage (V
Z
) of the B and B1 to B7 grades is tested for 40 ms after power ON.
2.
The operation resistance (Z
Z
, Z
ZK
) is tested by superimposing a micro AC on the standard current (I
Z
).
Remark
The B grade is a composition of the B1 to B7 grades. Any of the B1 to B7 voltage classifications are
available for customers who request the B grade product.
4
Data Sheet D10211EJ6V1DS
RD2.0E to RD120E
Type
Number
Suffix
Zener Voltage
Note 1
Vz (V)
Dynamic Impedance
Note 2
Z
Z
(Ω)
Reverse Current
I
R
(
µ
A)
Zener Voltage
Temperature
Coefficient
γ
Z
(mV/°C)
TYP.
37
41
45
51
56
62
69
76
85
95
105
115
Iz (mA)
5
5
5
5
2
2
2
2
2
2
1
1
MIN.
RD43E
RD47E
RD51E
RD56E
RD62E
RD68E
RD75E
RD82E
RD91E
RD100E
RD110E
RD120E
B
B
B
B
B
B
B
B
B
B
B
B
40
44
48
53
58
64
70
77
85
94
104
114
MAX.
45
49
54
60
66
72
79
87
96
106
116
126
Iz (mA)
5
5
5
5
2
2
2
2
2
2
1
1
MAX.
90
90
110
110
200
200
300
300
400
400
750
900
Iz (mA)
5
5
5
5
2
2
2
2
2
2
1
1
MAX.
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
Iz (mA)
33
36
39
43
47
52
57
63
69
76
84
91
Notes 1.
The zener voltage (V
Z
) is tested for 40 ms after power ON.
2.
The operation resistance (Z
Z
) is tested by superimposing a micro AC on the standard current (I
Z
).
Data Sheet D10211EJ6V1DS
5
Embedded System
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