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©1988
DATA SHEET
ZENER DIODES
RD4.7JS to RD39JS
DO-34 Package
Low noise, Sharp Breakdown characteristics
400 mW Zener Diode
Document No. D13937EJ5V0DS00 (5th edition)
(Previous No. SC-4001A)
Date Published March 1999 N CP(K)
Printed in Japan
DESCRIPTION
NEC Type RD [ ] JS series are DHD (Double Heatsink Diode) con-
struction Mini Package (DO-34; Body length 2.4 mm Max.) possessing
an allowable power dissipation of 400 mW, featuring low noise, sharp
breakdown characteristic.
FEATURES
• DO-34 Glass sealed package
• Low noise
• Sharp Breakdown characteristic
•V
z Applied E24 standard
ORDER INFORMATION
RD4.7JS to RD39JS with suffix “AB1”, “AB2”, or “AB3” should be
applied for orders for suffix “AB”.
APPLICATIONS
Circuits for, Constant Voltage, Constant Current, Wave form clipper ,
etc.
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C)
Forward Current IF150 mA
Power Dissipation P 400 mW to see Fig. 5.
Surge Revese Power PRSM 2.4 W (t = 10
µ
s) to see Fig. 9.
Junction Temperature Tj175 °C
Storage Temperature Tstg –65 to +175 °C
0.4
Cathode
Indication
2.0 MAX.
2.4 MAX.
25 MIN. 25 MIN.
DO-34 (JEDEC)
Marking color: Blue
PACKAGE DIMENSIONS
(in milimeters)
φ
φ
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.
RD4.7JS to RD39JS
2Data Sheet D13937EJ5V0DS00
ELECTRICAL CHARACTERISTICS (TA = 25 °C)
Zener Voltage Reverse Current
Type Number Suffix Vz (V)Note 1 IR (
µ
A)
MIN. MAX. Iz (mA) MAX. Iz (mA) MAX. Iz (mA) MAX. VR (V)
AB 4.42 4.90
RD4.7JS AB1 4.42 4.61 5 100 5 800 0.5 2 1.0
AB2 4.55 4.75
AB3 4.69 4.90
AB 4.84 5.37
RD5.1JS AB1 4.84 5.04 5 80 5 500 0.5 2 1.5
AB2 4.98 5.20
AB3 5.14 5.37
AB 5.31 5.92
RD5.6JS AB1 5.31 5.55 5 60 5 200 0.5 1 2.5
AB2 5.49 5.73
AB3 5.67 5.92
AB 5.86 6.53
RD6.2JS AB1 5.86 6.12 5 60 5 100 0.5 1 3.0
AB2 6.06 6.33
AB3 6.26 6.53
AB 6.47 7.14
RD6.8JS AB1 6.47 6.73 5 40 5 60 0.5 0.5 3.5
AB2 6.65 6.93
AB3 6.86 7.14
AB 7.06 7.84
RD7.5JS AB1 7.06 7.36 5 30 5 60 0.5 0.5 4.0
AB2 7.28 7.60
AB3 7.52 7.84
AB 7.76 8.64
RD8.2JS AB1 7.76 8.10 5 30 5 60 0.5 0.5 5.0
AB2 8.02 8.36
AB3 8.28 8.64
AB 8.56 9.55
RD9.1JS AB1 8.56 8.93 5 30 5 60 0.5 0.5 6.0
AB2 8.85 9.23
AB3 9.15 9.55
AB 9.45 10.55
RD10JS AB1 9.45 9.87 5 30 5 60 0.5 0.1 7.0
AB2 9.77 10.21
AB3 10.11 10.55
AB 10.44 11.56
RD11JS AB1 10.44 10.88 5 30 5 60 0.5 0.1 8.0
AB2 10.76 11.22
AB3 11.10 11.56
AB 11.42 12.60
RD12JS AB1 11.42 11.90 5 30 5 80 0.5 0.1 9.0
AB2 11.74 12.24
AB3 12.08 12.60
AB 12.47 13.69
RD13JS AB1 12.47 13.03 5 37 5 80 0.5 0.1 10
AB2 12.91 13.49
AB3 13.37 13.96
Dynamic Knee Dynamic
Impedance Impedance
Zz (Ω)Note 2 Zzk (Ω)Note 2
RD4.7JS to RD39JS
3Data Sheet D13937EJ5V0DS00
Zener Voltage Reverse Current
Type Number Suffix Vz (V)Note 1 IR (
µ
A)
MIN. MAX. Iz (mA) MAX. Iz (mA) MAX. Iz (mA) MAX. VR (V)
AB 13.84 15.52
RD15JS AB1 13.84 14.46 5 42 5 80 0.5 0.1 11
AB2 14.34 14.98
AB3 14.85 15.52
AB 15.37 17.09
RD16JS AB1 15.37 16.01 5 50 5 80 0.5 0.1 12
AB2 15.85 16.51
AB3 16.35 17.09
AB 16.94 19.03
RD18JS AB1 16.94 17.70 5 65 5 80 0.5 0.1 13
AB2 17.56 18.35
AB3 18.21 19.03
AB 18.86 21.08
RD20JS AB1 18.86 19.70 5 85 5 100 0.5 0.1 15
AB2 19.52 20.39
AB3 20.21 21.08
AB 20.88 23.17
RD22JS AB1 20.88 21.77 5 100 5 100 0.5 0.1 17
AB2 21.54 22.47
AB3 22.23 23.17
AB 22.93 25.57
RD24JS AB1 22.93 23.96 5 120 5 120 0.5 0.1 19
AB2 23.72 24.78
AB3 24.54 25.57
AB 25.20 28.61
RD27JS AB1 25.20 26.50 5 150 5 150 0.5 0.1 21
AB2 26.19 27.53
AB3 27.21 28.61
AB 28.22 31.74
RD30JS AB1 28.22 29.66 5 200 5 200 0.5 0.1 23
AB2 29.19 30.69
AB3 30.20 31.74
AB 32.18 34.83
RD33JS AB1 32.18 32.78 5 250 5 250 0.5 0.1 25
AB2 32.15 33.79
AB3 33.13 34.83
AB 34.12 37.91
RD36JS AB1 34.12 35.86 5 300 5 300 0.5 0.1 27
AB2 35.07 36.87
AB3 36.07 37.91
AB 37.04 40.99
RD39JS AB1 37.04 38.94 5 360 5 360 0.5 0.1 30
AB2 38.00 39.94
AB3 38.99 40.99
Note 1. tested with pulse (40 ms).
2. Zz and Zzk are measured at Iz by given a very small A.C. current signal.
3. Suffix AB is suffix AB1, AB2 or suffix AB3.
Dynamic Knee Dynamic
Impedance Impedance
Zz (Ω)Note 2 Zzk (Ω)Note 2
RD4.7JS to RD39JS
4Data Sheet D13937EJ5V0DS00
TYPICAL CHARACTERISTICS (TA = 25 °C)
Fig. 1 Iz-Vz CHARACTERISTICS Fig. 2 Iz-Vz CHARACTERISTICS
Fig. 3 Iz-Vz CHARACTERISTICS Fig. 4 Iz-Vz CHARACTERISTICS
100 m
10 m
1 m
100
10
1
100 n
10 n
1 n 01234
Zener Voltage V
Z
(V)
Zener Current I
Z
(A)
56789
T
A
= 25 °C
TYP.
RD4.7JS RD7.5JS
RD8.2JS
RD5.1JS
RD5.6JS
RD6.2JS
RD6.8JS
µ
µ
µ
078910
Zener Voltage V
Z
(V)
Zener Current I
Z
(A)
11 12 13 14 15
T
A
= 25 °C
TYP.
RD9.1JS RD10JS RD12JS
RD13JS
RD15JS
RD11JS
100 m
10 m
1 m
100
10
1
100 n
10 n
1 n
µ
µ
µ
Zener Current I
Z
(A)
0 12141618
Zener Voltage V
Z
(V)
20 22 24 26 28
T
A
= 25 °C
TYP.
RD16JS RD20JS RD24JS
RD18JS RD22JS
100 m
10 m
1 m
100
10
1
100 n
10 n
1 n
µ
µ
µ
Zener Current I
Z
(A)
0 24262830
Zener Voltage V
Z
(V)
32 34 36 38 40
T
A
= 25 °C
TYP.
RD27JS RD30JS RD33JS RD39JS
RD36JS
100 m
10 m
1 m
100
10
1
100 n
10 n
1 n
µ
µ
µ
RD4.7JS to RD39JS
5Data Sheet D13937EJ5V0DS00
Fig. 5 P-TA Rating Fig. 6
γ
z-Vz CHARACTERISTICS
Fig. 7 Rth-S CHARACTERISTICS Fig. 8 en-Vz CHARACTERISTICS
Fig. 9 SURGE REVERSE POWER RATINGS
3 mm, t = 0.035 mm
(leaf copper)
0 20 40 60 80 100
Ambient Temperature T
A
(°C)
Power Dissipation P (mW)
120 140 160 180 200
500
400
300
200
100
= 5 mm
φ
0 20406080100
Size of P.C Board S (mm2)
Junction to ambient
= 10 mm
= 5 mm
Themal Resistance Rth (°C/W)
600
500
400
300
200
100
S
2 3 4 5 10 20 30 40 50
Zener Voltage V
Z
(V)
Noise Level e
n
( V)
100
50
40
30
20
10
T
A
= 25 °C
f = 10 to 500 kHz
TYP.
µ
4 8 12 16 20 24 28 32 36 40
Zener Voltage V
Z
(V)
V
Z
Temperature Coefficiency − γ
Z
(%°C)
V
Z
Temperature Coefficient − γ
'Z
(mV/°C)
0.10
0.08
0.06
0.04
0.02
0
–0.02
50
40
30
20
10
0
TYP.
mV/°C
%/°C
1000
100
10
1
1 10 100
P
RSM
− Surge Reverse Power − W
1 m 10 m 100 m
t
T
− Pulse Width − s
µµµ
T
A
= 25°C
Non Repetitive
t
T
P
RSM
RD4.7JS to RD39JS
6Data Sheet D13937EJ5V0DS00
Fig. 10 TRANSIENT THERMAL IMPEDANCE CHARACTERISTIC
100
10
1
Z
th
− Transient Thermal Impedance − °C/W
1 m 10 m 100 m 1 10 100
t − Time − s
375 °C/W
RD4.7JS to RD39JS
7Data Sheet D13937EJ5V0DS00
[MEMO]
RD4.7JS to RD39JS
[MEMO]
•The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
•No part of this document may be copied or reproduced in any form or by any means without the prior written
consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in
this document.
•NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual
property rights of third parties by or arising from use of a device described herein or any other liability arising
from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights
or other intellectual property rights of NEC Corporation or others.
•Descriptions of circuits, software, and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these circuits,
software, and information in the design of the customer's equipment shall be done under the full responsibility
of the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third
parties arising from the use of these circuits, software, and information.
•While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices,
the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or
property arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety
measures in its design, such as redundancy, fire-containment, and anti-failure features.
•NEC devices are classified into the following three quality grades:
"Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a
customer designated “quality assurance program“ for a specific application. The recommended applications of
a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device
before using it in a particular application.
Standard: Computers, office equipment, communications equipment, test and measurement equipment,
audio and visual equipment, home electronic appliances, machine tools, personal electronic
equipment and industrial robots
Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
for life support)
Specific: Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
support systems or medical equipment for life support, etc.
The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books.
If customers intend to use NEC devices for applications other than those specified for Standard quality grade,
they should contact an NEC sales representative in advance.
M7 98.8
