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PLC496-T7 [PROTEC]

Trans Voltage Suppressor Diode, 500W, 1V V(RWM), Bidirectional, 8 Element, Silicon, PLASTIC, SOP-8;
PLC496-T7
型号： PLC496-T7
厂家： PROTEK DEVICES    PROTEK DEVICES
描述：

Trans Voltage Suppressor Diode, 500W, 1V V(RWM), Bidirectional, 8 Element, Silicon, PLASTIC, SOP-8

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PLC496  
.
. . engineered solutions for the transient environment™  
ULTRALOWCAPACITANCEARRAY  
APPLICATIONS  
✔✔Sensor & Control Circuits  
✔✔FireWire  
✔✔Ethernet - 10/100 Base T  
✔✔Hand-Held Electronics  
IEC COMPATIBILITY (EN61000-4)  
✔✔61000-4-2 (ESD): Air - 15kV, Contact - 8kV  
✔✔61000-4-4 (EFT): 40A - 5/50ns  
SO-8  
FEATURES  
✔✔500 Watts Peak Pulse Power per Line (tp = 8/20µs)  
✔✔Bidirectional Configuration  
✔✔ESD Protection > 40 kilovolts  
✔✔Low Clamping Voltage < 5 Volts  
✔✔ULTRA LOW CAPACITANCE 1.25pF  
MECHANICAL CHARACTERISTICS  
✔✔Molded JEDEC SO-8  
✔✔Weight 0.6 grams (Approximate)  
✔✔Flammability Rating UL 94V-0  
✔✔12mmTape and Reel Per EIA Standard 481  
✔✔Device Marking: Marking Code & Logo  
✔✔Pin One Defined By DOT on Top of Package  
CIRCUIT DIAGRAM  
8
7
6
5
1
2
3
4
05109.R4 7/02  
1
www.protekdevices.com  
PLC496  
DEVICE CHARACTERISTICS  
MAXIMUM RATINGS @ 25°C Unless Otherwise Specified  
SYMBOL  
VALUE  
500  
UNITS  
W
PARAMETER  
Peak Pulse Power - tp = 8/20µs  
PPP  
TJ  
-55°C to 150°C  
-55°C to 150°C  
°C  
°C  
OperatingTemperature  
Storage Temperature  
TSTG  
ELECTRICAL CHARACTERISTICS PER LINE @ 25°C Unless Otherwise Specified  
INVERSE  
BLOCKING  
LEAKAGE  
CURRENT  
MAXIMUM  
CAPACITANCE  
(See Note 3)  
PART  
NUMBER  
DEVICE  
MARKING  
CODE  
RATED  
STAND-OFF  
VOLTAGE  
MINIMUM  
BREAKDOWN  
VOLTAGE  
MINIMUM  
REVERSE  
LEAKAGE  
CURRENT  
(See Note 1)  
MAXIMUM  
CLAMPING  
VOLTAGE  
(See Note 1)  
(See Fig. 2)  
WORKING  
INVERSE  
BLOCKING  
VOLTAGE  
(See Note 1)  
(See Note 2)  
(See Note 2)  
@0V, 1MHz  
@1mA  
V(BR)  
VOLTS  
@VWIB IR  
µA  
C
pF  
VWM  
VOLTS  
@VWM ID  
µA  
@8/20µs  
VC @ IPP  
VWIB  
VOLTS  
PLC496  
VEC  
1.0  
2.5  
20  
12.5V @ 30A  
75  
1.0  
1.25  
Note 1: Apply positive voltage from pin 4 to 1 and pin 8 to 5.  
Note 2: Apply positive voltage from pin 1 to 4 and pin 5 to 8.  
Note 3: Capcitance from pin 1 to 4 < 1.25pF. Capacitance from pin 8 to 5 < 1.25pF  
FIGURE 1  
FIGURE 2  
PEAK PULSE POWER VS PULSE TIME  
PULSE WAVE FORM  
120  
100  
10,000  
TEST  
tf  
WAVEFORM  
PARAMETERS  
tf = 8µs  
Peak Value IPP  
500W, 8/20µs Waveform  
1,000  
80  
60  
40  
td = 20µs  
e-t  
100  
td = t  
IPP/2  
20  
0
10  
0.01  
1
10  
100  
1,000  
10,000  
0
5
10  
15  
20  
25  
30  
td - Pulse Duration - µs  
t - Time - µs  
05109.R4 7/02  
2
www.protekdevices.com  
PLC496  
GRAPHS  
FIGURE 3  
POWER DERATING CURVE  
100  
80  
Peak Pulse Power  
8/20µs  
60  
40  
20  
0
Average Power  
0
25  
50  
75  
100  
125 150  
TL - Lead Temperature - °C  
FIGURE 4  
OVERSHOOT & CLAMPING VOLTAGE FOR PLC496  
40  
30  
20  
10  
0
ESD Test Pulse: 5 kilovolt, 1/30ns (waveshape)  
05109.R4 7/02  
3
www.protekdevices.com  
PLC496  
APPLICATION NOTE  
The PLC496 is an ultra low capacitance, bidirectional array that is designed to protect I/O or high speed data lines from the damaging effects of ESD  
or EFT. This product has a surge capability of 500 Watts PPP per line for an 8/20µs waveshape and offers ESD protection > 40kV.  
DIFFERENTIAL MODE CONFIGURATION (Figure 1)  
The PLC496 is designed to protect one bidirectional line where the normal signal  
voltage is both positive and negative. Figure 1 shows a typical differential mode  
line to line) I/O port protection circuit application. Pins 1, 4 5 and 8 are con-  
nected to the data lines while Pins 2, 3, 7 and 6 are not connected.  
Figure 1. Typical Differential Mode I/O Port Protection  
LINE 1 IN  
LINE 1 OUT  
1
2
3
4
8
7
6
5
COMMON MODE CONFIGURATION (Figure 2)  
The PLC496 can provide protection for sensor circuit applications. Figure 2, a  
typical common mode (line to ground) sensor circuit applications, shows pins 1  
and 8 of the TVS connected to the line and pins 4 and 5 connected to ground, no  
connections to pins 2, 3, 6, and 7.  
NC  
NC  
NC  
CIRCUIT BOARD LAYOUT RECOMMENDATIONS  
NC  
Circuit board layout is critical for Electromagnetic Compat-  
ibility (EMC) protection. The following guidelines are  
recommended:  
✔
The protection device should be placed near the input  
terminals or connectors, the device will divert the  
transient current immediately before it can be coupled  
into the nearby traces.  
LINE 2 IN  
LINE 2 OUT  
✔
✔
✔
The path length between the TVS device and the  
protected line should be minimized.  
Figure 2. Typical Common Mode Sensor Protection Circuit  
All conductive loops including power and ground loops  
should be minimized.  
1
2
3
4
8
7
6
5
The transient current return path to ground should be  
kept as short as possible to reduce parasitic induc-  
tance.  
NC  
NC  
NC  
NC  
SENSOR  
CIRCUITRY  
✔
Ground planes should be used whenever possible.  
For multilayer PCBs, use ground vias.  
1
2
3
4
8
7
6
5
NC  
NC  
NC  
NC  
05109.R4 7/02  
4
www.protekdevices.com  
PLC496  
PACKAGE OUTLINE & DIMENSIONS  
PACKAGEOUTLINE  
SO-8  
-A-  
8
5
0.010” (0.25 MM)  
M
M
B
-B-  
P
4 PL  
PACKAGEDIMENSIONS  
1
4
INCHES  
MILLIMETERS  
DIM  
MIN  
MAX  
MIN  
MAX  
A
B
C
D
F
4.80  
3.80  
1.35  
0.35  
0.40  
5.00  
4.00  
1.75  
0.49  
1.250  
0.189  
0.150  
0.054  
0.014  
0.016  
0.196  
0.157  
0.068  
0.019  
0.049  
D
G
C
R X 45º  
0º - 10º  
G
J
1.27 BSC 1.27 BSC 0.05 BSC 0.05 BSC  
-T-  
0.18  
0.10  
5.80  
0.25  
0.25  
0.25  
6.20  
0.50  
0.007  
0.004  
0.229  
0.010  
0.009  
0.008  
0.244  
0.019  
J
K
F
K
P
R
M
S
S
A
0.010” (0.25 MM)  
T B  
8 PL  
NOTES:  
MOUNTINGPAD  
1. - T - = Seating Plane and Datum Surface.  
2. Dimensions “A” and “B” are Datum.  
3. Dimensions “A” and “B” do not include mold  
protrusion.  
0.050” ± 0.005”  
0.030” ± 0.005”  
4. Maximum mold protrusion is 0.015” (0.380 mm)  
per side.  
5. Dimensioning and tolerances per ANSI Y14.5M,  
1982.  
6. Dimensions are exclusive of mold flash and metal  
burrs.  
0.160” ± 0.005”  
0.245” MIN  
0.045” ± 0.005”  
06009 Rev 1 -11/01  
PART NUMBER SUFFIXES USED FOR TAPE & REEL/BULK ORDERING:  
Surface mount product is taped and reeled in accordance with EIA-481.  
Suffix-T7 = 7 Inch Reel - 1,000 pieces per reel i.e.: PLC496 -T7  
Suffix-T13 = 13 Inch Reel - 2,500 pieces per reel i.e: PLC496 -T13  
No Suffix = Product Shipped in Tubes of 98 pcs per Tube  
ProTek Devices  
2929 South Fair Lane, Tempe, AZ 85282  
Tel:602-431-8101 Fax:602-431-2288  
E-Mail: sales@protekdevices.com  
Web Site:www.protekdevices.com  
COPYRIGHT © ProTek Devices 2001  
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC).  
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer’s and that in furnishing  
engineering and technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such products.  
05109.R4 7/02  
5
www.protekdevices.com  

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