thru LCD24C HIGH SPEED DIODE ARRAY APPLICA TIONS E

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thru LCD24C HIGH SPEED DIODE ARRAY APPLICA TIONS E

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LCD05C
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LCD24C
HIGH SPEED DIODE ARRAY
APPLICA TIONS
Ethernet 10/100 Base RS-485 xDSL ASCSI Audio/Video Ports
COMPA TIBILITY(EN61000-4)
64100-4-2 (ESD): 15kv, Contact 64100-4-4 (EFT): 5/50ns 64100-4-5 (Lightning):
TURES
PLASTIC
Suitable Capacitance High Speed Protection Watts Peak Pulse Power Dissipation Line (8/20 Bidirectional Configuration Protection kilovolts Capacitance Available Voltage Types: 5.0V Standard Dual-In-Line Package Protects Eight Lines 94V-0 Flammability Classification
CIRCUIT DIAGRAM LAYOUT RECOMMENDATION
FROM CONNECTOR
PROTECTED DEVICE
2929 South Fair Lane Tempe, Arizona 85282 602-431-8101 602-431-2288 E-mail sales@protek-tvs.com www.protekdevices.com
LCD05C
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LCD24C DEVICE CHARACTERISTICS
MECHANICAL CHARACTERISTICS
PACKAGE APPROX. WEIGHT Molded Dual-in-Line Package grams
MAXIMUM RATINGS
25°C (SEE FIGURE OPERATING STORAGE TEMPERATURE REPETITION RATE (DUTY CYCLE) Watts, 8/20 Waveshape -55°C +150°C 0.01% Bidirectional: 10-9 seconds
DEVICE MARKINGS Logo Part Number MISCELLANEOUS
Indicatied Package TCLAMPING VOLTS V(BR) MIN.)
ELECTRICAL CHARACTERISTICS Ambient Temperature PROTEK PART NUMBER (See Note RATED STAND-OFF VOLTAGE MINIMUM BREAKDOWN VOLTAGE V(BR) VOLTS 13.3 16.7 26.7 MAXIMUM CLAMPING VOLTAGE (See Fig. VOLTS 12.3 19.0 25.5 40.0 MAXIMUM CLAMPING VOLTAGE (See Fig. 8/20 23.5V MAXIMUM LEAKAGE CURRENT TEMPERATURE MAXIMUM CAPACITANCE COEFFICIENT V(BR)
VOLTS LCD05C LCD08C LCD12C LCD15C LCD24C 12.0 15.0 24.0
V(BR)
mV/°C
Note Tested pairs
10,000 Peak Pulse Power Watts
FIGURE PEAK PULSE POWER PULSE TIME
Peak Pulse Current
FIGURE PULSE WAVE FORM
Peak Value TEST WAVEFORM PARAMETERS 20µs
1,000
500W, 8/20 Waveshape
IPP/
Pulse Duration
1,000
10,000
Time
5018.R3 3/01
LCD05C
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LCD24C
DEVICE CHARACTERISTICS
FIGURE POWER DERATING CURVE
Rated Power
Peak Pulse Power 8/20
Average Power Lead Temperature
FIGURE OVERSHOOT CLAMPING VOLTAGE LCD05C
Volts Division
Test Pulse: kilovolt, 1/30ns (waveshape)
Clamping Voltage Volts
FIGURE TYPICAL CLAMPING VOLTAGE PEAK PULSE CURRENT
LCD05C
Peak Pulse Current Amps
2929 South Fair Lane Tempe, Arizona 85282 602-431-8101 602-431-2288 E-mail sales@protek-tvs.com www.protekdevices.com
LCD05C
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LCD24C DEVICE SPECIFIC APPLICATION NOTE
Series bidirectional, capacitance, silicon devices designed protect multiple data signal lines. This device provides protection 40kV Watt peak pulse power dissipation 8/20 pulse line. ideal protecting multimode transceiver lines data communications applications such USB. This capacitance device allows these types applications operate safely without significant signal distortion. When transient voltage strikes data line, device becomes impedance path diverting transient current ground. devices capable clamping both positive negative transient voltages enough level such that sensitive component will damaged. shown Figure typical RS-485 transceiver application, protects four bidirectional lines where normal signal voltage both positive negative. Each pair symmetrical that each pair connected both data lines ground. order insure crosstalk isolation, each line/ground pair electrically independent each other. Pins connected ground. Pins 8,13, 14,15 connected data lines. addition, protect four ports. shown Figure order provide common-mode protection, pins through connected data lines pins through connected ground. Figure Typical RS-485 Transceiver Protection Circuit (Differential Common-Mode)
Figure Typical Common-Mode Protection Circuit
Circuit Board Layout Recommendations
OUTPUT CONNECTOR
Circuit board layout critical Electromagnetic Compatibility (EMC) protection. following guidelines recommended:
OUTPUT CONNECTOR
should placed near input terminals connectors. placing close will transient current immediately before coupled into nearby traces.
path length between device protected line should minimized.
OUTPUT CONNECTOR OUTPUT CONNECTOR
conductive loops including power ground loops should minimized. transient current return path ground should kept short possible reduce parasitic inductance.
Ground planes should used whenever possible. Multilayer PCBs, ground vias.
LCD05C
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LCD24C
SPICE MODEL PARAMETERS
FIGURE SPICE MODEL SERIES
(TVS)
LCRD
LCRD
(TVS)
0.8nH
LCRD: ABD:
CAPACITANCE RECTIFIER DIODE AVALANCHE BREAKDOWN DIODE (TVS) LEAD INDUCTANCE
TABLE SPICE PARAMETERS PARAMETER UNIT Ohms (ABD) Table Table Table 0.33 Table 1.11 LCRD 0.01 10E-14 0.33 0.31 1.11
TABLE SPECIFIC SPICE PARAMETERS PART LCD05C LCD08C LCD12C LCD15C LCD24C (Volts) 13.3 16.7 26.7 (pF) (Amps) 10E-12 10E-14 10E-14 10E-14 10E-14 (Ohms) 0.09 0.18 0.22 0.31 0.93
2929 South Fair Lane Tempe, Arizona 85282 602-431-8101 602-431-2288 E-mail sales@protek-tvs.com www.protekdevices.com
LCD05C
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LCD24C PACKAGE OUTLINES DIMENSIONS
PLASTIC
DIMENSIONS
MILLIMETERS 6.10 7.37 0.25 0.51 3.17 0.84 0.381 2.54 19.8 6.60 7.87 0.36 5.08 1.78 INCHES 0.240 0.290 0.010 0.020 0.125 0.780 0.260 0.310 0.014 0.200
Orientation (Pin Places
Places
0.070 0.84 0.033 0.033 0.533 0.051 0.021 2.54 0.100 0.100
Places
Places
COPYRIGHT ProTek Devices 2001 SPECIFICATIONS: ProTek reserves right change electrical mechanical characteristics described herein without notice (except JEDEC). DESIGN CHANGES: ProTek reserves right discontinue product lines without notice, that final judgement concerning selection specifications buyer's that furnishing engineering technical assistance, ProTek assumes responsibility with respect selection specifications such products.

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