SM12
DUAL COMMON ANODE TVS DIODE
Features
•
•
•
300 Watts Peak Pulse Power (tp = 8x20μs)
IEC 61000-4-2 (ESD): Air – 15kV, Contact – 8kV
Typically Used at Computer Interface Protection, Data Line and
Power Line Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
•
•
•
•
•
Case: SOT23
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Weight: 0.0089 grams (approximate)
ADVANCE INFORMATION
•
•
•
SOT23
3
1
Top View
2
Device Schematic
Ordering Information
(Note 4)
Part Number
SM12-7
Notes:
Case
SOT23
Packaging
3,000/Tape & Reel
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com.
Marking Information
ZBM
ZBM = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: Z = 2012)
M = Month (ex: 9 = September)
Date Code Key
Year
Code
Month
Code
2012
Z
Jan
1
Feb
2
2013
A
Mar
3
Apr
4
YM
2014
B
2015
C
Jun
6
Jul
7
2016
D
Aug
8
Sep
9
2017
E
Oct
O
Nov
N
2018
F
Dec
D
May
5
SM12
Document number: DS35948 Rev. 6 - 2
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© Diodes Incorporated
SM12
Maximum Ratings
(@T
A
= 25°C unless otherwise specified.)
Characteristic
Peak Pulse Power Dissipation
Peak Pulse Current
ESD Protection – Contact Discharge
ESD Protection – Air Discharge
Electrical Fast Transient Current
Symbol
P
PP
I
PP
V
ESD_Contact
V
ESD_Air
I
EFT
Value
300
12
±8
±15
40
Unit
W
A
kV
kV
A
Conditions
8/20μs, Per Fig. 3
8/20μs, Per Fig. 3
Standard IEC 61000-4-2(ESD)
Standard IEC 61000-4-2(ESD)
Standard IEC 61000-4-4(EFT)
ADVANCE INFORMATION
Thermal Characteristics
Characteristic
Package Power Dissipation (Note 5)
Thermal Resistance, Junction to Ambient (Note 5)
Operating and Storage Temperature Range
Symbol
P
D
R
θ
JA
T
J
, T
STG
Value
250
500
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics
(@T
A
= 25°C unless otherwise specified.)
Characteristic
Reverse Working Voltage
Reverse Current (Note 6)
Reverse Breakdown Voltage
Reverse Clamping Voltage
Capacitance
Notes:
Symbol
V
RWM
I
R
V
BR
V
CL
C
T
Min
-
-
13.3
-
-
Typ
-
-
-
-
95
Max
12.0
1.0
15.75
19
-
Unit
V
μA
V
V
pF
Test Conditions
-
V
R
= V
RWM
= 12.0V
I
R
= 1mA
I
PP
= 1A, t
p
= 8/20μs
V
R
= 0V, f = 1MHz, Pin 1 to 3
5. Device mounted on FR-4 PCB pad layout (2oz copper) as shown on Diodes, Inc. suggested pad layout AP02001, which can be found on our website at
http://www.diodes.com.
6. Short duration pulse test used to minimize self-heating effect.
300
250
P
D
, POWER DISSIPATION (mW)
Note 5
100
200
175
150
125
100
75
50
25
0
0
25
50
75
100
125
150
T
A
, AMBIENT TEMPERATURE (
°
C)
Figure 1 Power Derating Curve
175
PEAK PULSE DERATING % OF
PEAK POWER OR CURRENT
75
50
25
0
50
75 100 125 150 175 200
T
A
, AMBIENT TEMPERATURE (°C)
Figure 2 Power Dissipation vs. Ambient Temperature
25
0
SM12
Document number: DS35948 Rev. 6 - 2
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November 2012
© Diodes Incorporated
SM12
10,000
I
PP
, PEAK PULSE CURRENT (%I
pp
)
P
PK
, PEAK PULSE POWER (W)
20
40
60
100
1,000
ADVANCE INFORMATION
100
50
10
0
0
t, TIME (
μ
s)
Figure 3 Pulse Waveform
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
1
1
10
100
1,000
t
d
, PULSE DURATION (µs)
Figure 4 Max. Peak Pulse Power vs. Pulse Duration
100
I
R
, INSTANTANEOUS REVERSE CURRENT (nA)
1,000
10
10
T
A
= 150°C
T
A
= 125°C
T
A
= 25°C
1
T
A
= 85°C
T
A
= 25°C
0.1
0.01
T
A
= -55°C
0.001
0.1
0.3
0.5
0.7
0.9
1.1
1.3
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Figure 5 Typical Forward Characteristics
1
0
1 2 3 4 5 6 7 8 9 10 11 12 13
V
R
, INSTANTANEOUS REVERSE VOLTAGE (V)
Figure 6 Typical Reverse Characteristics
110
100
C
T
, TOTAL CAPACITANCE (pF)
90
80
70
60
50
40
30
4
6
8
10
12
14
V
R
, REVERSE VOLTAGE (V)
Figure 7 Typical Total Capacitance vs. Reverse Voltage
0
2
f = 1MHz
SM12
Document number: DS35948 Rev. 6 - 2
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November 2012
© Diodes Incorporated
SM12
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
ADVANCE INFORMATION
A
B C
H
K
D
J
F
G
L
M
K1
SOT23
Dim
Min
Max
Typ
A
0.37
0.51
0.40
B
1.20
1.40
1.30
C
2.30
2.50
2.40
D
0.89
1.03 0.915
F
0.45
0.60 0.535
G
1.78
2.05
1.83
H
2.80
3.00
2.90
J
0.013 0.10
0.05
K
0.903 1.10
1.00
K1
-
-
0.400
L
0.45
0.61
0.55
M
0.085 0.18
0.11
0°
8°
-
α
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Y
Z
C
Dimensions Value (in mm)
Z
2.9
X
0.8
Y
0.9
C
2.0
E
1.35
X
E
SM12
Document number: DS35948 Rev. 6 - 2
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November 2012
© Diodes Incorporated
SM12
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).
ADVANCE INFORMATION
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.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
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 © 2012, Diodes Incorporated
www.diodes.com
SM12
Document number: DS35948 Rev. 6 - 2
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November 2012
© Diodes Incorporated
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