DATA SHEET
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ZENER DIODES
RD2.0F to RD82F
ZENER DIODES
1 W DO-41 GLASS SEALED PACKAGE
Document No. D13936EJ3V0DS00 (3rd edition)
(Previous No. SC-1007A)
Date Published June 2000 N CP(K)
Printed in Japan
1982
DESCRIPTION
NEC type RD
F Series are DHD (Double Heatsink Diode)
Construction planar type zener diodes possessing an allowable
power dissipation of 1 watt.
FEATURES
DHD (Double Heatsink Diode) Construction
Planar process
V
Z
: Applied E24 standard
DO-41 Glass sealed package
APPLICATIONS
Circuits for,
Constant Voltage, Constant Current,
Wave form clipper, Surge absorber, etc.
MAXIMUM RATINGS (T
A
= 25
C)
Power Dissipation (P)
1 W (See Fig. 1)
Forward Current (I
F
)
200 mA
Junction Temperature (T
j
)
175
C
Storage Temperature (T
stg
)
-
65 to +175
C
Peak Reverse Power (P
RSM
)
See Fig. 9
PACKAGE DIMENSIONS
(Unit: mm)
0.8
Cathode
indication
3.0 MAX.
25 MIN.
5 MAX.
25 MIN.
Data Sheet D13936EJ3V0DS00
3
RD2.0F to RD82F
Type Number
Zener Voltage
V
Z
(V)
Note 1
Dynamic Impedance
Z
Z
(
)
Note 2
Reverse Current
I
R
(
A)
Suffix
MIN.
MAX.
I
Z
(mA)
MAX.
I
Z
(mA)
MAX.
V
R
(V)
B1
12.19
12.85
B2
12.63
13.30
RD13F
B
B3
13.11
13.83
20
10
20
10
10
B1
13.55
14.28
B2
14.05
14.77
RD15F
B
B3
14.52
15.26
20
10
20
10
11
B1
14.98
15.75
B2
15.44
16.23
RD16F
B
B3
15.89
16.71
20
12
20
10
12
B1
16.37
17.27
B2
17.03
17.91
RD18F
B
B3
17.64
18.55
20
12
20
10
13
B1
18.26
19.21
B2
18.93
19.91
RD20F
B
B3
19.59
20.84
20
14
20
10
15
B1
20.45
21.51
B2
21.10
22.18
RD22F
B
B3
21.75
22.86
10
14
10
10
17
B1
22.44
23.59
B2
23.17
24.36
RD24F
B
B3
23.90
25.14
10
16
10
10
19
B1
24.63
26.10
B2
25.70
27.12
RD27F
B
B3
26.72
28.43
10
16
10
10
21
B1
27.43
29.09
B2
28.64
30.10
RD30F
B
B3
29.57
31.26
10
18
10
10
23
B1
30.35
31.97
B2
31.49
33.06
RD33F
B
B3
32.39
34.15
10
18
10
10
25
B1
33.24
34.94
B2
34.26
36.01
RD36F
B
B3
35.19
37.01
10
20
10
10
27
B1
36.11
38.00
B2
37.14
39.04
RD39F
B
B3
38.13
40.80
10
20
10
10
30
RD43F
B
40
45
10
50
10
5
33
RD47F
B
44
49
10
50
10
5
36
RD51F
B
48
54
10
50
10
5
39
RD56F
B
53
60
10
50
10
5
43
RD62F
B
58
66
10
50
10
5
47
RD68F
B
64
72
10
70
10
5
52
RD75F
B
70
79
10
90
10
5
57
RD82F
B
77
87
10
90
10
5
63
Note 1.
Tested with pulse (40 ms).
2.
Z
Z
is measured at I
Z
given an very small A.C. Current Signal.
Data Sheet D13936EJ3V0DS00
4
RD2.0F to RD82F
TYPICAL CHARACTERISTICS (T
A
= 25
C)
Fig. 1 P-T
A
RATING
Fig. 2 I
Z
-V
Z
CHARACTERISTIC
1.2
1.0
0.8
0.6
0.4
0.2
20
0
40 60
80 100 120 140 160 180 200
Ambient Temperature T
A
(
C)
= 20 mm
10 mm
5 mm
Power Dissipation P (W)
Fig. 3 I
Z
-V
Z
CHARACTERISTIC
Fig. 4 I
Z
-V
Z
CHARACTERISTIC
RD39F
RD36F
RD33F
RD30F
RD27F
RD24F
RD22F
RD20F
RD18F
RD15F
40
35
30
25
20 15
1000
800
600
400
200
20
40
60
80
0
Zener Current I
Z
(mA)
Zener Voltage V
Z
(V)
I
F
(mA)
T
A
= 25
C
TYP.
V
F
(V)
0.5 1.0
P
MAX.
Fig. 5
Z
-V
Z
CHARACTERISTIC
Fig. 6
Z
-V
Z
CHARACTERISTIC
0.1
0.08
0.06
0.04
0.02
0
-
0.02
-
0.04
-
0.06
-
0.08
40
32
24
16
8
0
-
8
-
16
-
24
-
32
-
40
V
Z
-
Temperature Coefficiency
Z
(%/
C)
V
Z
-
Temperature Coefficiency
Z
(mV/
C)
Zener Voltage V
Z
(V)
%/
C
mV/
C
0
4
8
12 16 20 24 28 32 36 40 44
RD15F
RD12F
RD10F
RD8.2F
RD7.5F
RD6.8F
RD6.2F
RD5.1F
RD4.7F
RD3.9F
RD3.3F
RD2.7F
RD2.0F
V
Z
(V)
Zener Current I
Z
(mA)
Zener Voltage V
Z
(V)
15
10
5
I
F
(mA)
T
A
= 25
C
TYP.
40
80
120
160
200
240
600
400
200
0 0.5 1.0
RD82F
RD68F
RD62F
RD56F
RD51F
RD47F
RD43F
P
MAX.
600
400
200
2
4
6
8
10
12
14
16
18
20
22
Zener Current I
Z
(mA)
Zener Voltage V
Z
(V)
70
60
50
40
80
90
100
I
F
(mA)
T
A
= 25
C
TYP.
RD75F
V
F
(V)
0 0.5
0.1
0.09
0.08
0.07
0.06
120
100
80
60
40
V
Z
-
Temperature Coefficiency
Z
(mV/
C)
V
Z
-
Temperature Coefficiency
Z
(%/
C)
Zener Voltage V
Z
(V)
%/
C
mV/
C
40
50
60
70
80
90
Data Sheet D13936EJ3V0DS00
5
RD2.0F to RD82F
Fig. 7 Z
Z
-I
Z
CHARACTERISTIC
Fig. 8 R
th
-S CHARACTERISTIC
Dynamic Inpedance Z
Z
(
)
Zener Current I
Z
(mA)
T
A
= 25
C
TYP.
RD6.8F
RD2.0F
RD10F
RD39F RD82F
RD4.3F
RD5.6F
RD7.5F
RD15F
RD6.2F
RD20F
RD5.1F
RD6.8F
RD6.2F
RD7.5F RD10F
1 000
100
10
1
0.1
10
100
1
RD15F
Fig. 9 P
RSM
RATING
Fig. 11 POWER DISSIPATION NOMOGRAM
Peak Reverse Power P
RSM
(W)
Time t (s)
P
RSM
T
A
= 25
C
Non-
Repetitive
10 000
1 000
100
10
1
t
10
100
1 m
10 m
100 m
1
Fig. 10 Z
th
CHARACTERISTIC
150
C/W
Transient Thermal Impedance Z
th
(
C/W)
Time t (s)
1 000
100
10
1
0.1
100 m
10 m
1 m
1
10
100
Thermal Resistance R
th
(
C/W)
Size of PC Board S (mm
2
)
0
240
200
160
120
80
40
20
40
60
80
100
Junction to ambient
(Thickness = 0.035 mm)
= 5 mm
10 mm
20 mm
S
Heat
-
Sink
Heat
-
Sink
(incn)
Lead Length
(mm)
Heat-Sink
Temperature
T
H
(
C)
Power Dissipation
P (W)
(mm)
30
1.0
5/8
3/8
2/8
1/8
25
20
15
1.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
25
35
45
10
9
8
7
6
5
4
3
55
65
75
85
95
105
115
125
135
145