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Low Capacitance Transient Voltage Suppressors / ESD Protectors CM1218
Features
* * * * * * Low I/O capacitance at 7pF typical In-system ESD protection to 15kV contact discharge, per the IEC 61000-4-2 international standard Two, three, four or five channels of ESD protection Compact SMT package saves board space and facilitates layout in space-critical applications Each I/O pin can withstand over 1000 ESD strikes Lead-free versions available
Applications
* * * High-speed consumer electronic ports ESD protection of PC ports, including USB ports, serial ports, parallel ports, IEEE1394 ports, docking ports, proprietary ports, etc. Protection of interface ports or IC pins which are exposed to high ESD levels
Product Description
The CM1218 family of devices features transient voltage suppressor arrays that provide a very high level of protection for sensitive electronic components which may be subjected to electrostatic discharge (ESD). All pins of the CM1218 are rated to withstand 15kV ESD pulses using the IEC 61000-4-2 contact discharge method. Using the MIL-STD-883D (Method 3015) specification for Human Body Model (HBM) ESD, all pins are protected from contact discharges of greater than 30kV. The CM1218 is supplied in a number of compact, surface mount packages depending on the channel configuration desired. All versions of this device are available with optional lead-free finishing.
(c)2010 SCILLC. All rights reserved. May 2010 - Rev. 2
Publication Order Number: CM1218/D
CM1218
Electrical Schematics
CM1218-02
VN 3 4
CM1218-03
3
1
2
1 VN
2
SOT23-3 SC70-3 CM1218-04
5 4 6
SOT 143 CM1218-05
5 4
1
2 VN
3
1
2 VN
3
SOT23-5 / SOT 553 SC70-5
SOT23-6 / SOT 563 SC70-6
Note: SOT23, SC70 and SOT143 and packages may differ in size. These drawings are not to scale.
Rev. 2 | Page 2 of 17 | www.onsemi.com
CM1218
PIN DESCRIPTIONS
LEADS (Refer to package / pinout diagrams) NAME CHx DESCRIPTION The cathode of the respective TVS diode, which should be connected to the node requiring transient voltage protection. The anode of the TVS diodes.
(Refer to package / pinout diagrams)
VN
Ordering Information
PART NUMBERING INFORMATION
Standard Finish Leads 3 3 4 5 5 5 6 6 6 Package SOT23-3 SC70-3 SOT143 SOT23-5 SOT-553 SC70-5 SOT23-6 SOT-563 SC70-6 Ordering Part Number1 CM1218-02ST CM1218-02SC CM1218-03SS CM1218-04ST CM1218-04SE CM1218-04SC CM1218-05ST CM1218-05SE CM1218-05SC Lead-free Finish Ordering Part Number1 CM1218-02SO CM1218-02S7 CM1218-03SR CM1218-04SO CM1218-04SE CM1218-04S7 CM1218-05SO CM1218-05SE CM1218-05S7
Part Marking2 R2 R2 R3 R4 R4R R4 R5 R5R R5
Part Marking2 R2R R2R R3R R4R R4R R4R R5R R5R R5R
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified. Note 2: The SOT-553 and SOT-563 packages for leaded and lead-free finishing are the same. The maximum soldering reflow temperature for these packages is 240C.
Rev. 2 | Page 3 of 17 | www.onsemi.com
CM1218
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER Storage Temperature Range Package Power Dissipation SC70 SOT23-3, SOT23-5, SOT23-6, SOT143 SOT-553, SOT-563 RATING -65 to +150 UNITS C
0.2 0.225 0.15
W W W
STANDARD OPERATING CONDITIONS
PARAMETER Operating Temperature RATING -40 to +85 UNITS C
ELECTRICAL OPERATING CHARACTERISTICS
SYMBOL PARAMETER CIN Channel Input Capacitance Differential Channel I/O to GND Capacitance Reverse Stand-off Voltage CONDITIONS TA = 25C, 2.5VDC, 1MHz TA = 25C, 2.5VDC, 1MHz IR=10A, TA = 25C; Note 1 IR=1mA, TA = 25C; Note 1 ILEAK VSIG Leakage Current Small Signal Clamp Voltage Positive Clamp Negative Clamp ESD Withstand Voltage Contact Discharge per IEC 610004-2 standard Human Body Model, MIL-STD-883, Method 3015 Diode Dynamic Resistance Forward Conduction Reverse Conduction VIN=5.0VDC, TA = 25C; Note 1 I = 10mA, TA = 25C; Note 1 I = -10mA, TA = 25C Notes2 and 3; TA = 25C Notes1 and 3; TA = 25C TA = 25C; Note 1; Applied Pulse Width = 700s; IMAX = 0.70A. See Figure 2 to calculate RD 5.5 -0.4 +15 +30 6.8 -0.8 5.5 6.1 MIN TYP 7 0.19 6.8 6.8 8.5 8.8 1 MAX UNITS pF pF V V
C
IN
VRSO
A
V V kV kV
9.0 -1.20
VESD
RD
0.8 2.2
1.1 2.7
1.4 3.2

Note 1: Human Body Model per MIL-STD-883, Method 3015, CDischarge = 100pF, RDischarge = 1.5K, VN grounded. Note 2: Standard IEC 61000-4-2 with CDischarge = 150pF, RDischarge = 330, VN grounded. Note 3: These measurements performed with no external capacitor on CHX.
Rev. 2 | Page 4 of 17 | www.onsemi.com
CM1218
Performance Information
Diode Capacitance Typical diode capacitance with respect to positive TVS cathode voltage (reverse voltage across the diode) is given in Diode Capacitance vs. Reverse Voltage .
Figure 1. Diode Capacitance vs. Reverse Voltage
Rev. 2 | Page 5 of 17 | www.onsemi.com
CM1218
Typical High Current Diode Characteristics Measurements are made in pulsed mode with a nominal pulse width of 0.7ms.
Figure 2. Input Voltage vs. Input Current Curve
Rev. 2 | Page 6 of 17 | www.onsemi.com
CM1218
Mechanical Details
CM1218 devices are supplied in the following packages: SOT23-3, SOT23-5, SOT23-6, SOT143, SOT553, SOT563, SC70-3, SC70-5, and SC70-6. SOT23-3 Mechanical Specifications The CM1218-02ST/SO is supplied in a 3-pin SOT23 package. Dimensions are presented below. For complete information on the SOT23-3, see the California Micro Devices SOT23 Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Pins/Leads Millimeters Dimensions Min A A1 b c D E E1 e e1 L L1 # per tape and reel 0.89 0.01 0.30 0.08 2.80 2.10 1.20 Max 1.12 0.10 0.50 0.20 3.04 2.64 1.40 Min 0.0350 0.0004 0.0118 0.0031 0.1102 0.0827 0.0472 Max
1 2
SOT23-3 (JEDEC name is TO-236) TO-236 (Var. AB) 3 Inches
TOP VIEW b
3
E1 E
0.0441 0.0039 0.0197 0.0079 0.1197 0.1039 0.0551
SIDE VIEW D e1 e
A1 A
0.95 BSC 1.90 BSC 0.40 0.60
0.0374 BSC 0.0748 BSC 0.0157 0.0236
c L1 L END VIEW
0.60 REF
0.0236 REF 3000 pieces
Controlling dimension: millimeters
Package Dimensions for SOT23-3
Rev. 2 | Page 7 of 17 | www.onsemi.com
CM1218
Mechanical Details (cont'd)
SOT23-5 Mechanical Specifications The CM1218-04ST/SO is supplied in a 5-pin SOT23 package. DImensions are presented below. For complete information on the SOT23-5, see the California Micro Devices SOT23 Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Pins/Leads Millimeters Dimensions Min A A1 b c D E E1 e e1 L L1 # per tape and reel -0.00 0.30 0.08 2.75 2.60 1.45 Max 1.45 0.15 0.50 0.22 3.05 3.00 1.75 Min -0.0000 0.0118 0.0031 0.1083 0.1024 0.0571 Max 0.0571
b
1 2 3
SOT23-5 MO-178 (Var. AA) 5
5
TOP VIEW e1 e
4
Inches
E1 E
0.0059 0.0197 0.0087 0.1201 0.1181 0.0689
END VIEW A1 SIDE VIEW D
A
0.95 BSC 1.90 BSC 0.30 0.60
0.0374 BSC 0.0748 BSC 0.0118 0.0236
c
0.60 REF
0.0236 REF 3000 pieces
L1 L
Controlling dimension: millimeters
Package Dimensions for SOT23-5
Rev. 2 | Page 8 of 17 | www.onsemi.com
CM1218
Mechanical Details
SOT23-6 Mechanical Specifications: The CM1218-05ST/SO is supplied in a 6-pin SOT23 package. Dimensions are presented below. For complete information on the SOT23-6, see the California Micro Devices SOT23 Package Information document.
PACKAGE DIMENSIONS
Package JEDEC No. Pins/Leads Millimeters Dimensions Min A A1 b c D E E1 e e1 L L1 # per tape and reel -0.00 0.30 0.08 2.75 2.60 1.45 Max 1.45 0.15 0.50 0.22 3.05 3.00 1.75 Min -0.0000 0.0118 0.0031 0.1083 0.1024 0.0571 Max 0.0571
1 2 3
SOT23-6 MO-178 (Var. AB) 6 Inches
6
TOP VIEW e1
5
e
4
E1 E
0.0059 0.0197 0.0087 0.1201 0.1181 0.0689
b SIDE VIEW D
A
0.95 BSC 1.90 BSC 0.30 0.60
0.0374 BSC 0.0748 BSC
END VIEW
A1
0.0118
0.0236
0.60 REF
0.0236REF
c
3000 pieces
L1 L
Controlling dimension: millimeters
Package Dimensions for SOT23-6
Rev. 2 | Page 9 of 17 | www.onsemi.com
CM1218
Mechanical Details
SOT143 Mechanical Specifications The CM1218-03SS/SR is supplied in a 4-pin SOT143 package. Dimensions are presented below. For complete information on the SOT143 package, see the California Micro Devices SOT143 Package Information document.
PACKAGE DIMENSIONS
Package Pins Millimeters Dimensions Min A A1 b b2 c D E E1 e e1 L L1 # per tape and reel 0.80 0.05 0.30 0.76 0.08 2.80 2.10 1.20 Max 1.22 0.15 0.50 0.89 0.20 3.04 2.64 1.40 Min 0.031 0.002 0.012 0.030 0.003 0.110 0.082 0.047 Max 0.048 0.006 0.019 0.035 0.008
e1
1
TOP VIEW e
SOT143 4
4
3
Inches
2
E1 E
SIDE VIEW D
A
0.119 0.103 0.055
END VIEW b2 b A1
1.92 BSC 0.20 BSC 0.4 0.6
0.075 BSC 0.008 BSC 0.016 0.024
c
0.54 REF
0.021 REF
L1
L
3000 pieces
Controlling dimension: millimeters
Package Dimensions for SOT143.
Rev. 2 | Page 10 of 17 | www.onsemi.com
CM1218
Mechanical Details (continued)
SOT-553 Mechanical Specifications The CM1218-04SE is supplied in a 5-pin SOT-553 package. CM1218Dimensions are presented below. For complete information on the SOT-553, see the California Micro Devices SOT Package Information document.
PACKAGE DIMENSIONS
Package Leads Millimeters Dim. Min A b c D E E1 e e1 L # per tape and reel 0.50 0.17 0.08 Nom 0.55 0.22 0.13 1.60 BSC 1.60 BSC 1.20 BSC 0.50 BSC 1.00 BSC 0.20 BSC 5000 pieces
c
SOT-553 5
TOP VIEW D
0.20
C A-B 2X
Inches Min 0.020 0.007 0.003 Nom 0.022 0.009 0.005 Max 0.024
E1
5
e1
4
D
Max 0.60 0.27 0.18
E
1 2 3
0.011 0.007
2X
0.20
CD
e
b
0.20
c
0.063 BSC 0.063 BSC 0.047 BSC 0.020 BSC 0.040 BSC 0.008 BSC
END VIEW C SIDE VIEW A
2X
0.10
C
SEA ING T PLANE
Controlling dimension: millimeters
L
Package Dimensions for SOT-553.
Rev. 2 | Page 11 of 17 | www.onsemi.com
CM1218
Mechanical Details (continued)
SOT-563 Mechanical Specifications The CM1218-05SE is supplied in a 5-pin SOT-563 package. Dimensions are presented below. For complete information on the SOT-563, see the California Micro Devices SOT Package Information document.
PACKAGE DIMENSIONS
Package Leads Millimeters Dim. Min A b c D E E1 e e1 L # per tape and reel 0.50 0.17 0.08 Nom 0.55 0.22 0.13 1.60 BSC 1.60 BSC 1.20 BSC 0.50 BSC 1.00 BSC 0.20 BSC 5000 pieces
c
SOT-563 6
TOP VIEW D
0.20
C A-B 2X
Inches Min 0.020 0.007 0.003 Nom 0.022 0.009 0.005 Max 0.024
E1
6
e1
5 4
D
Max 0.60 0.27 0.18
E
1 2 3
0.011 0.007
2X
0.20
CD
e
b
0.20
c
0.063 BSC 0.063 BSC 0.047 BSC 0.020 BSC 0.040 BSC 0.008 BSC
END VIEW C SIDE VIEW A
2X
0.10
C
SEA ING T PLANE
Controlling dimension: millimeters
L
Package Dimensions for SOT-563.
Rev. 2 | Page 12 of 17 | www.onsemi.com
CM1218
Mechanical Details (continued)
SC70-3 Mechanical Specifications The CM1218-02SC/S7 is supplied in a 3-pin SC70 package. Dimensions are presented below. For complete information on the SC70-3, see the California Micro Devices SC70 Package Information document.
PACKAGE DIMENSIONS
Package Pins Dimensions Min A A1 A2 B c D E e HE L # / tape and reel 2.00 0.26 3000 pieces 0.80 0.00 0.70 0.15 0.08 1.85 1.15 0.65 BSC
END VIEW
SC70-3 (JEDEC name is MO-203 Issue A) 3
TOP VIEW B
3
Millimeters Max 1.10
e e
1 2
E HE
0.10 1.00 0.30 0.25 2.25 1.35
A1 A2 A SIDE VIEW D
2.40 0.46
c
L
Controlling dimension: millimeters
Package Dimensions for SC70-3.
Rev. 2 | Page 13 of 17 | www.onsemi.com
CM1218
Mechanical Details (continued)
SC70-5 Mechanical Specifications: The CM1218-04SC/S7 is supplied in a 5-pin SC70 package. Dimensions are presented below. For complete information on the SC70-5, see the California Micro Devices SC70 Package Information document.
PACKAGE DIMENSIONS
Package Pins Dimensions Min A A1 A2 B c D E e HE L # / tape and reel 2.00 0.26 3000 pieces 0.80 0.00 0.70 0.15 0.08 1.85 1.15 0.65 BSC 2.40 0.46 Max 1.10 0.10 1.00 0.30 0.25 2.25 1.35 SC70-5 (JEDEC name is MO-203 Issue A) 5 Millimeters
Controlling dimension: millimeters
Rev. 2 | Page 14 of 17 | www.onsemi.com
CM1218
TOP VIEW e e
5
4
E HE
1 2 3
B
SIDE VIEW D
A2 A
A1 END VIEW
c
L
Package Dimensions for SC70-5.
Rev. 2 | Page 15 of 17 | www.onsemi.com
CM1218
Mechanical Details (continued)
SC70-6 Mechanical Specifications: The CM1218-05SC/S7 is supplied in a 6-pin SC70 package. Dimensions are presented below. For complete information on the SC70-6, see the California Micro Devices SC70 Package Information document.
PACKAGE DIMENSIONS
Package Pins Dimensions Min A A1 A2 B c D E e HE L # / tape and reel 2.00 0.26 3000 pieces 0.80 0.00 0.70 0.15 0.08 1.85 1.15 0.65 BSC 2.40 0.46
c
TOP VIEW e
6 5
SC70-6 (JEDEC name is MO-203 Issue A) 6 Millimeters
e
4
E HE
1 2 3
Max
B
1.10 0.10 1.00 0.30 0.25 2.25 1.35
END VIEW A1 A2 A SIDE VIEW D
L
Controlling dimension: millimeters
Package Dimensions for SC70-6.
Rev. 2 | Page 16 of 17 | www.onsemi.com
CM1218
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any
products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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Rev. 2 | Page 17 of 17 | www.onsemi.com

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