VEMI355A-HA3
Vishay Semiconductors
3-Channel EMI-Filter with ESD-Protection
FEATURES
• Ultra compact LLP75-7A package
6
5
• 3-channel EMI-filter and ESD-protection
4
• Low leakage current
7
• Line resistance RS = 50 Ω
1
2
• Typical cut off frequency f3dB = 100 MHz
3
• ESD-protection acc. IEC 61000-4-2
± 30 kV contact discharge
± 30 kV air discharge
19423
19369
• e3 - Sn
MARKING (example only)
XX
YY
• Compliant to RoHS directive 2002/95/EC
accordance to WEEE 2002/96/EC
and
in
21001
Dot = pin 1 marking
YY = type code (see table below)
XX = date code
ORDERING INFORMATION
DEVICE NAME
ORDERING CODE
TAPED UNITS PER REEL
(8 mm TAPE ON 7" REEL)
MINIMUM ORDER QUANTITY
VEMI355A-HA3
VEMI355A-HA3-GS08
3000
15 000
PACKAGE DATA
DEVICE NAME
PACKAGE
NAME
TYPE
CODE
WEIGHT
MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE
SENSITIVITY LEVEL
SOLDERING
CONDITIONS
VEMI355A-HA3
LLP75-7A
9B
5 mg
UL 94 V-0
MSL level 1
(according J-STD-020)
260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Peak pulse current
ESD immunity
Operating temperature
TEST CONDITIONS
SYMBOL
VALUE
UNIT
All I/O pin to pin 7; acc. IEC 61000-4-5;
tp = 8/20 µs; single shot
IPPM
4
A
Contact discharge acc. IEC61000-4-2; 10 pulses
Air discharge acc. IEC61000-4-2; 10 pulses
Junction temperature
Storage temperature
VESD
± 30
± 30
kV
TJ
- 40 to + 125
°C
TSTG
- 55 to + 150
°C
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
Document Number: 81714
Rev. 1.3, 18-Sep-09
For technical questions, contact: EMIFilter@vishay.com
www.vishay.com
1
VEMI355A-HA3
3-Channel EMI-Filter with
ESD-Protection
Vishay Semiconductors
APPLICATION NOTE
With the VEMI355A-HA3 3 different signal or data lines can be filtered and clamped to ground. Due to the different clamping levels
in forward and reverse direction the clamping behavior is Bidirectional and Asymmetric (BiAs).
L1IN
6
1
L2IN
L1OUT
7
2
5
3
4
L2OUT
L3IN
L3OUT
19420
19424
19421
The 3 independent EMI-filter are placed between
pin 1 and pin 6
pin 2 and pin 5, and
pin 3 and pin 4.
They all are connected to a common ground pin 7 on the backside of the package. Each filter is symmetrical so that all ports
(pin 1 to 6) can be used as input or output.
The circuit diagram of one EMI-filter-channel shows two identical Z-diodes at the input to ground and the output to ground. These
Z-diodes are characterized by the breakthrough voltage level (VBR) and the diode capacitance (CD). Below the breakthrough
voltage level the Z-diodes can be considered as capacitors. Together with these capacitors and the line resistance RS between
input and output the device works as a low pass filter. Low frequency signals (f < f3dB) pass the filter while high frequency signals
(f > f3dB) will be shorted to ground through the diode capacitances CD.
RS
Out
(pin 4, 5, 6)
In
(pin 1, 2, 3)
CD
CD
GND
(pin 7)
21060
Each filter is symmetrical so that both ports can be used as input or output.
www.vishay.com
2
For technical questions, contact: EMIFilter@vishay.com
Document Number: 81714
Rev. 1.3, 18-Sep-09
VEMI355A-HA3
3-Channel EMI-Filter with
ESD-Protection
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS VEMI355A-HA3
PARAMETER
TEST CONDITIONS/REMARKS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Number of channels which can be protected
Nchannel
-
-
3
channel
Reverse stand off voltage
at IR = 1 µA each input to pin 2
VRWM
5
-
-
V
Reverse current
at VR = 5 V each input to pin 2
IR
-
-
1
µA
Reverse break down voltage
Each input to pin 2 at IR = 1 mA
VBR
6
-
-
V
at IPP = 1 A applied at the input, measured
at the output; acc. IEC 61000-4-5
VC-out
-
-
7.8
V
at IPP = IPPM = 4 A applied at the input,
measured at the output; acc. IEC 61000-4-5
VC-out
-
-
8
V
at IPP = - 1 A applied at the input, measured
at the output; acc. IEC 61000-4-5
VC-out
-1
-
-
V
at IPP = IPPM = - 4 A applied at the input,
measured at the output; acc. IEC 61000-4-5
VC-out
- 1.2
-
-
V
at VR = 0 V; f = 1 MHz
CIN
-
60
-
pF
at VR = 2.5 V; f = 1 MHz
CIN
-
37
-
pF
at ± 30 kV ESD-pulse acc. IEC 61000-4-2
VCESD
-
7.5
-
V
Measured between input and output;
IS = 10 mA
RS
45
50
55
Ω
VIN = 0 V; measured in a 50 Ω system
f3dB
-
100
-
MHz
Protection paths
Pos. clamping voltage
Neg. clamping voltage
Input capacitance
ESD-clamping voltage
Line resistance
Cut-off frequency
Note
Ratings at 25 °C, ambient temperature unless otherwise specified.
TYPICAL CHARACTERISTICS
Tamb = 25 °C, unless otherwise specified
120 %
8 µs to 100 %
100 %
80 %
80 %
IPPM
Discharge Current IESD
Rise time = 0.7 ns to 1 ns
100 %
60 %
53 %
60 %
20 µs to 50 %
40 %
40 %
27 %
20 %
20 %
0%
- 10 0 10 20 30 40 50 60 70 80 90 100
20557
0
20548
Time (ns)
Fig. 1 - ESD Discharge Current Wave Form
acc. IEC 61000-4-2 (330 Ω/150 pF)
Document Number: 81714
Rev. 1.3, 18-Sep-09
0%
10
20
30
40
Time (µs)
Fig. 2 - 8/20 µs Peak Pulse Current Wave Form
acc. IEC 61000-4-5
For technical questions, contact: EMIFilter@vishay.com
www.vishay.com
3
VEMI355A-HA3
3-Channel EMI-Filter with
ESD-Protection
Vishay Semiconductors
70
100
f = 1 MHz
60
10
50
CIN (pF)
IF (mA)
1
0.1
40
30
20
0.01
10
0.001
0.5
0
0.6
0.7
0.8
0.9
1
21084
2
7
-5
Transmission (S21) (dB)
0
6
5
4
3
2
4
5
- 10
VINPUT = 5 V
- 15
VINPUT = 0 V
- 20
- 25
- 30
- 35
Measured in a 50 Ω system
Filter output not connected
0
3
VIN (V)
Fig. 6 - Typical Capacitance CD vs. Reverse Voltage VR
8
1
1
19570
Fig. 3 - Typical Forward Current IF vs. Forward Voltage VF
VIN (V)
0
VF (V)
- 40
0.01
0.1
1
10571
10
1
100 1000 10 000
19569
IIN (µA)
Fig. 4 - Typical Input Voltage VIN vs. Input Current IIN
10
100
1000
10 000
Frequency (MHz)
Fig. 7 - Typical Small Signal Transmission (S21)
at ZO = 50 Ω
12
VC at Input
10
VC (V)
8
VC at Output
6
4
Measured acc. IEC 61000-4-5
(8/20 µs - wave form).
Surge pulse applied at the filter input.
2
0
0
19572
1
2
3
4
5
6
IPP (A)
Fig. 5 - Typical Peak Clamping Voltage VC vs.
Peak Pulse Current IPP
www.vishay.com
4
For technical questions, contact: EMIFilter@vishay.com
Document Number: 81714
Rev. 1.3, 18-Sep-09
VEMI355A-HA3
3-Channel EMI-Filter with
ESD-Protection
Vishay Semiconductors
0.45 (0.018)
0.55 (0.022)
0.2 (0.008)
0.3 (0.012)
0.2 (0.008)
0.3 (0.012)
1 (0.039)
0.2 (0.008)
0.3 (0.012)
Heat sink
0.95 (0.037)
1.05 (0.041)
PACKAGE DIMENSIONS in millimeters (inches): LLP75-7A
0.5 (0.020)
0.6 (0.024)
0.8 (0.031)
0.7 (0.028)
1.65 (0.065)
1.55 (0.061)
0.05 (0.002)
0 (0.000)
0.2 (0.008)
0.25 (0.010)
1.65 (0.065)
1.55 (0.061)
Pin 1 marking
Foot print recommendation:
0.5 (0.020)
0.5 (0.020)
0.3 (0.012)
0.3 (0.012)
Document no.:S8-V-3906.02-002 (4)
Created - Date: 20. December 2004
Rev. 3 - Date: 21. March 2006
0.15 (0.006)
1 (0.039)
0.5 (0.020)
1 (0.039)
0.25 (0.010)
0.15 (0.006)
Solder resist mask
Solder pad
0.5 (0.020)
20459
Document Number: 81714
Rev. 1.3, 18-Sep-09
For technical questions, contact: EMIFilter@vishay.com
www.vishay.com
5
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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