DATA SHEET
ZENER DIODES
RD4.7UJ to RD39UJ
LOW NOISE SHARP BREAKDOWN CHARACTERISTICS
ZENER DIODES
2PIN ULTRA SUPER MINI MOLD
DESCRIPTION
Type RD4.7UJ to RD39UJ Series are 2PIN Ultra Super Mini
Mold Package zener diodes possessing an allowable power
dissipation of 150 mW featuring low noise and sharp break-
down characteristic. They are intended for use in audio equip-
0.3±0.05
0.8±0.1
0.15
0.11+0.05
–0.01
0±0.05
PACKAGE DIMENSIONS
(Unit: mm)
ment, instrument equipment.
2.1±0.1
1.3±0.1
FEATURES
• Low Noise
• Sharp Breakdown characteristics
• V
z
; Applied E24 standard
APPLICATIONS
Circuits for Constant Voltage, Constant Current, Waveform
clipper, Surge absorber, etc.
Cathode
Indication
MAXIMUM RATINGS (T
A
= 25
°
C)
Power Dissipation
Forward Current
Reverse Surge Power
P
I
F
P
RSM
150 mW
100 mA
2.2 W
(at t = 10
µ
s/1 pulse)
Show Fig. 6
Junction Temperature
Storage Temperature
T
j
T
stg
150
°C
–55 to +150
°C
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 devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. D13938EJ3V0DS00 (3rd edition)
(Previous No. DC-2135)
Date Published March 1999 N CP(K)
Printed in Japan
©
0.7±0.1
1993
RD4.7UJ to RD39UJ
Zener Voltage
Type Number
Class
MIN.
N
RD15UJ
N1
N2
N3
N
RD16UJ
N1
N2
N3
N
RD18UJ
N1
N2
N3
N
RD20UJ
N1
N2
N3
N
RD22UJ
N1
N2
N3
N
RD24UJ
N1
N2
N3
N
RD27UJ
N1
N2
N3
N
RD30UJ
N1
N2
N3
N
RD33UJ
N1
N2
N3
N
RD36UJ
N1
N2
N3
N
RD39UJ
N1
N2
N3
13.63
13.63
14.12
14.62
15.13
15.13
15.58
16.07
16.63
16.63
17.24
17.87
18.51
18.51
19.14
19.80
20.46
20.46
21.09
21.76
22.42
22.42
23.19
23.98
24.75
24.75
25.56
26.46
27.38
27.38
28.35
29.37
30.30
30.30
31.21
32.14
33.08
33.08
33.95
34.87
35.78
35.78
36.63
37.56
V
z
(V)
Note 1
MAX.
15.38
14.35
14.85
15.38
16.91
15.87
16.36
16.91
18.81
17.52
18.15
18.81
20.79
19.42
20.12
20.79
22.82
21.47
22.15
22.82
25.17
23.59
24.38
25.17
27.95
26.04
26.96
27.95
31.04
29.00
30.04
31.04
33.97
32.02
32.98
33.97
36.83
34.92
36.85
36.83
39.67
37.75
38.69
39.67
0.5
360
0.5
0.1
30
0.5
300
0.5
0.1
27
0.5
250
0.5
0.1
25
0.5
200
0.5
0.1
23
0.5
150
0.5
0.1
21
0.5
120
0.5
0.1
19
0.5
100
0.5
0.1
17
0.5
100
0.5
0.1
15
0.5
80
0.5
0.1
13
0.5
80
0.5
0.1
12
0.5
80
0.5
0.1
11
I
z
(mA)
Dynamic
Impedance
Z
z
(Ω)
Note 2
MAX.
I
z
(mA)
Reverse Current
I
R
(
µ
A)
MAX.
V
R
(V)
Note 1.
Tested with pulse (40 ms)
2.
Z
z
is measured at I
z
by given a very small A.C. current signal
Data Sheet D13938EJ3V0DS00
3
RD4.7UJ to RD39UJ
TYPICAL CHARACTERISTICS (T
A
= 25
°
C)
Fig. 1 P – T
A
RATING
200
30×30×0.75
P.C.B. (Ceramic)
P - Power Dissipation - mW
150
20×15×0.75
P.C.B. (Ceramic)
10×7.5×0.75
P.C.B. (Glass Epoxy)
100
10×7.5×0.75
P.C.B. (Ceramic)
50
0
50
100
T
A
- Ambient Temperature -
°C
150
200
Fig. 2 I
z
– V
z
CHARACTERISTICS (a to d)
RD9.1UJ
RD10UJ
RD11UJ
RD12UJ
RD13UJ
RD4.7UJ
RD5.1UJ
RD5.6UJ
RD6.2UJ
RD6.8UJ
RD7.5UJ
100 m
RD8.2UJ
100 m
I
z
- Zener Current - A
1m
I
z
- Zener Current - A
10 m
10 m
1m
100
µ
100
µ
10
µ
10
µ
3
4
5
6
7
8
9
9
10
11
12
13
14
V
z
- Zener Voltage - V
(a)
V
z
- Zener Voltage - V
(b)
4
Data Sheet D13938EJ3V0DS00
RD15UJ
15
RD4.7UJ to RD39UJ
RD27UJ
RD16UJ
RD18UJ
RD20UJ
RD22UJ
RD24UJ
RD30UJ
RD33UJ
RD36UJ
38
40
42
100 m
100 m
I
z
- Zener Current - A
1m
I
z
- Zener Current - A
10 m
10 m
1m
100
µ
100
µ
10
µ
10
µ
16
18
20
22
24
26
28
28
30
32
34
36
V
z
- Zener Voltage - V
(c)
V
z
- Zener Voltage - V
(d)
Fig. 3
γ
z
– V
z
CHARACTERISTICS
0.08
0.06
0.04
%/°C
32
24
16
mV/°C
0.02
0
–0.02
–0.04
4
8
12
16
20
24
28
32
36
40
8
0
–8
–16
V
Z
- Zener Voltage - V
γ
Z
-V
Z
- Temperature Coefficient - mV/°C
γ
Z
-V
Z
- Temperature Coefficient - %/°C
RD39UJ
44
Data Sheet D13938EJ3V0DS00
5