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PDF RD56F Data sheet ( Hoja de datos )

Número de pieza RD56F
Descripción ZENER DIODES 1 W DO-41 GLASS SEALED PACKAGE
Fabricantes NEC 
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DATA SHEET
ZENER DIODES
RD2.0F to RD82F
ZENER DIODES
1 W DO-41 GLASS SEALED PACKAGE
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
• VZ: Applied E24 standard
• DO-41 Glass sealed package
APPLICATIONS
Circuits for,
Constant Voltage, Constant Current,
Wave form clipper, Surge absorber, etc.
MAXIMUM RATINGS (TA = 25°C)
Power Dissipation (P)
1 W (See Fig. 1)
Forward Current (IF)
200 mA
Junction Temperature (Tj)
175°C
Storage Temperature (Tstg)
65 to +175°C
Peak Reverse Power (PRSM)
See Fig. 9
PACKAGE DIMENSIONS
(Unit: mm)
φ 0.8
Cathode
indication
φ 3.0 MAX.
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. D13936EJ3V0DS00 (3rd edition)
(Previous No. SC-1007A)
Date Published June 2000 N CP(K)
Printed in Japan
©
1982

1 page




RD56F pdf
RD2.0F to RD82F
Fig. 7 ZZ-IZ CHARACTERISTIC
1 000
100
RD6.8F
RD2.0F
RD39F RD82F
TA = 25°C
TYP.
10
RD6.2F RD7.5F RD5.6F
RD10F
RD15F
RD4.3F
RD20F
RD15F
RD5.1F
1
0.1
1
RD6.8F
RD6.2F
RD7.5F RD10F
10 100
Zener Current IZ (mA)
Fig. 8 Rth-S CHARACTERISTIC
240
Junction to ambient
200
= 5 mm
S
160 (Thickness = 0.035 mm)
10 mm
120
80 20 mm
40
0 20 40 60 80 100
Size of PC Board S (mm2)
10 000
1 000
Fig. 9 PRSM RATING
PRSM
t TA = 25°C
Non-
Repetitive
100
10
1 10 µ
100 µ 1 m 10 m 100 m 1
Time t (s)
1 000
100
Fig. 10 Zth CHARACTERISTIC
150°C/W
10
1
0.1
1m
10 m
100 m 1
10
Time t (s)
100
Fig. 11 POWER DISSIPATION NOMOGRAM
Heat
Sink
Heat
Sink
(incn) (mm)
30
1.0 25
20
5/8 15
10
3/8 9
8
7
2/8
6
5
4
1/8 3
Lead Length
(mm)
1.5
25
35
45
55
1.0
65 0.9
75
85 0.8
95
105 0.7
115 0.6
125
0.5
135
145 0.4
Heat-Sink Power Dissipation
Temperature
P (W)
TH (°C)
Data Sheet D13936EJ3V0DS00
5

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