Green
SMBJ350A
600W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Features
•
•
•
•
•
•
•
600W Peak Pulse Power Dissipation
350V Standoff Voltage
Glass Passivated Die Construction
Excellent Clamping Capability
Fast Response Time
Lead Free Finish/RoHS Compliant (Note 1)
Green Molding Compound (No Halogen and Antimony)
(Note 2)
Mechanical Data
•
•
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Case: SMB
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Lead Free Plating (Matte Tin Finish). Solderable per
MIL-STD-202, Method 208
Polarity Indicator: Cathode Band
Weight: 0.1 grams (approximate)
NEW PRODUCT
Top View
Bottom View
Ordering Information
(Note 3)
Part Number
SMBJ350A-13-F
Notes:
Qualification
Commercial
Case
SMB
Packaging
3000/Tape & Reel
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes
2. Diodes Inc.`s “Green” Policy can be found on our website at http://www.diodes.com.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
YWW
QG
QG = Product type marking code (See Page 2)
= Manufacturers’ code marking
YWW = Date code marking
Y = Last digit of year (ex: 1 for 2011)
WW = Week code (01 ~ 53)
SMBJ350A
Document number: DS35543 Rev. 2 - 2
1 of 4
www.diodes.com
November 2011
© Diodes Incorporated
SMBJ350A
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Characteristic
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above T
A
= 25° C) (Note 4)
Peak Power Derating Above 25°C
Peak Forward Surge Current, 8.3ms Single Half Sine Wave Superimposed
on Rated Load (Notes 4 & 5)
Steady State Power Dissipation @ T
L
= 75°C
Instantaneous Forward Voltage @ I
PP
= 35A (Notes 4 & 5)
Symbol
P
PK
P
der
I
FSM
PM
(AV)
V
F
Value
600
4.8
100
5.0
5.0
Unit
W
W/°C
A
W
V
NEW PRODUCT
Thermal Characteristics
Characteristic
Operating Temperature Range
Storage Temperature Range
Symbol
T
J
T
STG
Value
-55 to +150
-55 to +175
Unit
°C
°C
Electrical Characteristics
@T
A
= 25°C unless otherwise specified
Part Number
See Note 5
SMBJ350A
Notes:
Reverse
Standoff
Voltage
V
RWM
(V)
350.0
Breakdown
Max. Reverse
Test
Voltage
Current Leakage @ V
RWM
V
BR
@ I
T
(Note 6)
Min (V) Max (V) I
T
(mA)
I
R
(μA)
391.0
432.0
1.0
5.0
Max. Clamping
Voltage @ I
pp
V
C
(V)
567.0
Max. Peak Pulse
Current
I
pp
(A)
1.1
Marking Code
-
QG
4. Valid provided that terminals are kept at ambient temperature.
5. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
6. V
BR
measured with I
T
current pulse = 300μs
100
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
100
T
J
= 25
°
C
P
PK
, PEAK PULSE POWER (kW)
75
Non Repetitive
Pulse Waveform
Shown in Fig. 3
10
50
1.0
25
10 X 1000 Waveform
as defined by REA
0
0
25
50
75
100
125
150
175 200
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Pulse Derating Curve
0.1
0.1
1.0
1,000 10,000
10
100
t
p
, PULSE WIDTH (µS)
Fig. 2 Pulse Rating Curve
SMBJ350A
Document number: DS35543 Rev. 2 - 2
2 of 4
www.diodes.com
November 2011
© Diodes Incorporated
SMBJ350A
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.
NEW PRODUCT
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 © 2011, Diodes Incorporated
www.diodes.com
SMBJ350A
Document number: DS35543 Rev. 2 - 2
4 of 4
www.diodes.com
November 2011
© Diodes Incorporated
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