To our customers,
Old Company Name in Catalogs and Other Documents
On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology
Corporation, and Renesas Electronics Corporation took over all the business of both
companies. Therefore, although the old company name remains in this document, it is a valid
Renesas Electronics document. We appreciate your understanding.
Renesas Electronics website: http://www.renesas.com
April 1st, 2010
Renesas Electronics Corporation
Issued by: Renesas Electronics Corporation (http://www.renesas.com)
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DATA SHEET
ZENER DIODES
RD2.0F to RD82F
1 W PLANAR TYPE SILICON ZENER DIODES
PACKAGE DRAWING (Unit: mm)
DESCRIPTION
These products are zener diodes with an allowable
dissipation of 1 W and a planar type glass sealed DHD
25 MIN.
(Double Heatsink Diode) structure.
FEATURES
• The zener voltage series has a wide voltage range of 2 to
5 MAX.
82 V and is ideal for standardization.
• The E24 series is employed for the zener voltage nominal
φ 3.0 MAX.
Cathode
indication
25 MIN.
value.
ORDERING INFORMATION
Any of the B1 to B3 voltage classifications are available for
φ 0.8
customers who request the B grade product of the RD2.0F to
RD39F.
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
Unit
Power dissipation
P
1.0
W
Junction temperature
Tj
175
°C
Forward current
IF
200
mA
Storage temperature
Tstg
−65 to +175
°C
Surge reverse power
PRSM
400 (t = 10 μs)
W
Remarks
Refer to Figure 1.
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
The mark shows major revised points.
The revised points can be easily searched by copying an "" in the PDF file and specifying it in the "Find what:" field.
1982, 2006
