DATA SHEET
ZENER DIODES
RD2.0F to RD82F
1 W PLANAR TYPE SILICON ZENER DIODES
<R>
<R>
<R>
DESCRIPTION
PACKAGE DRAWING (Unit: mm)
These products are zener diodes with an allowable
dissipation of 1 W and a planar type glass sealed DHD
(Double Heatsink Diode) structure.
FEATURES
φ 3.0 MAX.
• The zener voltage series has a wide voltage range of 2 to
82 V and is ideal for standardization.
• The E24 series is employed for the zener voltage nominal
value.
Cathode
indication
<R>
<R>
<R>
ORDERING INFORMATION
Any of the B1 to B3 voltage classifications are available for
customers who request the B grade product of the RD2.0F to
RD39F.
φ
0.8
Marking color: Black
JEDEC: DO-41
APPLICATIONS
• Zener voltage and constant-current circuit
• Waveform clipper circuit and limiter circuit
• Surge absorption circuit
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Parameter
Symbol
Ratings
1.0
Unit
Remarks
Power dissipation
P
W
°C
mA
°C
W
Refer to Figure 1.
Junction temperature
Forward current
Tj
175
IF
200
Storage temperature
Surge reverse power
Tstg
−65 to +175
400 (t = 10 μs)
PRSM
Refer to Figure 7.
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 products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. D13936EJ5V0DS00 (5th edition)
Date Published September 2006 NS CP(K)
Printed in Japan
1982, 2006
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.