BZT52C51S
SURFACE MOUNT ZENER DIODE
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Features
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Planar Die Construction
General Purpose, Medium Current
Ideally Suited for Automated Assembly Processes
Lead, Halogen and Antimony Free, RoHS Compliant
(Note 1)
"Green" Device (Notes 2 and 6)
Mechanical Data
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Case: SOD-323
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminal Connections: See Diagram
Terminals: Finish – Matte Tin annealed over Alloy 42
leadframe. Solderable per MIL-STD-202, Method 208
Marking Information: See Page 2
Ordering Information: See Page 2
Weight: 0.004 grams (approximate)
Top View
Maximum Ratings
Forward Voltage
@T
A
= 25°C unless otherwise specified
Symbol
@ I
F
= 10mA
V
F
T
J,
T
STG
Value
0.9
-65 to +150
Unit
V
°C
Characteristic
Operating and Storage Temperature Range
Thermal Characteristics
Characteristic
Power Dissipation (Note 3)
Thermal Resistance, Junction to Ambient Air (Note 3)
Symbol
P
D
R
θ
JA
Value
200
833
Unit
mW
°C/W
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Zener Voltage Range
(Note 3)
V
Z
@ I
ZT
Nom (V)
Min (V)
48.0
Max (V)
54.0
I
ZT
mA
5
100
Maximum
Reverse
Current
(Note 5)
I
R
uA
0.1
@ V
R
V
38
Maximum Zener Impedance (Note 5)
Z
ZT
@ I
ZT
Ω
750
Z
ZK
@ I
ZK
I
ZK
mA
1.0
Type
Number
Marking Code
(Note 4)
BZT52C51S
Notes:
1.
2.
3.
4.
5.
6.
WW
51
No purposefully added lead. Halogen and Antimony Free.
Diodes Inc's "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php
Short duration pulse test used to minimize self-heating effect.
When provided, otherwise, parts are provided with date code only, and type number identification appears on reel only.
f = 1kHz.
Product manufactured with Green Molding Compound and does not contain Halogens or Sb
2
O
3
Fire Retardants.
BZT52C51S
Document number: DS30566 Rev. 5 - 2
1 of 4
www.diodes.com
October 2009
© Diodes Incorporated
BZT52C51S
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B.
A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2009, Diodes Incorporated
www.diodes.com
BZT52C51S
Document number: DS30566 Rev. 5 - 2
4 of 4
www.diodes.com
October 2009
© Diodes Incorporated
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