DATA SHEET
ZENER DIODES
RD4.7FM to RD51FM
1 W PLANAR TYPE 2-PIN POWER MINI-MOLD
ZENER DIODES
The RD4.7FM to RD51FM are zener diodes with an allowable
dissipation of 1 W and a planar type 2-pin power mini-mold.
PACKAGE DRAWING (UNIT: mm)
FEATURES
• This diode is ideal for high density mounting due to about 65%
of mounting area in comparison with the conventional 3-pin
power mini-mold RD[ ]P.
• This diode realizes the 2-pin structured area mounting by
specifying the zener voltage classifications confirming to the
conventional RD[ ]P.
QUALITY GRADES
• Standard
Please refer to “Quality Grades on NEC Semiconductor
Devices” (Document No. C11531E) published by NEC
Corporation to know the specification of quality grade on
the devices and its recommended applications.
APPLICATIONS
• Surge absorption circuit
• Zener voltage and constant-current circuit
• Waveform clipper circuit and limiter circuit
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
°
Parameter
Power dissipation
Forward current
Reverse surge power
Junction temperature
Storage temperature
Symbol
P
I
F
P
RSM
T
j
T
stg
Ratings
1.0
200
400
150
−55
to +150
Unit
W
mA
W
°C
°C
t = 10
µ
s
Remarks
Refer to Figure 1.
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. D16201E15V0DS00 (5th)
Date Published April 2002 N CP(K)
Printed in Japan
©
2002
1998
RD4.7FM to RD51FM
ELECTRICAL CHARACTERISTICS (Ta = 25°C
±
2°C)
°
°
Type Number
Suffix
Zener Voltage
Vz (V)
Note 1
MIN.
RD4.7FM
RD5.1FM
RD5.6FM
RD6.2FM
RD6.8FM
RD7.5FM
RD8.2FM
RD9.1FM
RD10FM
RD11FM
RD12FM
RD13FM
RD15FM
RD16FM
RD18FM
RD20FM
RD22FM
RD24FM
RD27FM
RD30FM
RD33FM
RD36FM
RD39FM
RD43FM
RD47FM
RD51FM
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
4.4
4.8
5.3
5.8
6.4
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28.0
31.0
34.0
37.0
40.0
44.0
48.0
MAX.
4.9
5.4
6.0
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.6
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
38.0
41.0
45.0
49.0
54.0
Iz (mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2
2
2
2
2
2
2
2
2
2
Dynamic Impedance
Z
Z
(Ω)
Note 2
MAX.
100
100
70
40
25
25
25
25
20
20
25
30
30
40
45
55
55
70
80
80
80
90
130
150
170
220
Iz (mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2
2
2
2
2
2
2
2
2
2
Reverse Current
I
R
(
µ
A)
MAX.
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
5
5
Iz (mA)
1.0
1.0
1.5
3.0
3.5
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
13
15
17
19
21
23
25
27
30
33
36
39
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
).
2
Data Sheet D16201EJ1V0DS
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