Varistor Series Series transient surge suppressors metal-oxide va
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Base Mount
Varistor Series
Series transient surge suppressors metal-oxide varistors (MOVs) featuring rigid base mount package construction, useful applications which subject vibration. These recognized varistors available wide range operating voltages, from 130V 660V VM(AC)RMS base-mount package quick-connect terminal that provides fast, secure lead attach. mounting base forms second electrical connection, usually chassis ground. Meeting rigid NEMA standards, series varistors have creep strike distance capability that minimizes breakdown along package surface. Series Device Ratings Specifications table part number brand information.
VARISTOR PRODUCTS
Features
Wide Operating Voltage Range VM(AC)RMS .130V 660V Creep Strike Distance Capability Meets Rigid NEMA Standards Base Mount Construction Forms Electrical Connection Quick Connect Terminal Derating 85oC Ambient
AGENCY APPROVALS: Recognized under components program
Underwriters Laboratories. Certified CSA.
AGENCY FILE NUMBERS: E75961, LR91788.
Base Mount
Varistor Series
Absolute Maximum Ratings
ratings individual members series, Device Ratings Specifications chart
Continuous: SERIES Steady State Applied Voltage: Voltage Range (VM(AC)RMS) Voltage Range (VM(DC)) Transient: Peak Pulse Current (ITM) 8/20µs Current Wave (See Figure 6500 Single Pulse Energy Range 10/1000µs Current Wave (WTM) Operating Ambient Temperature Range (TA). Storage Temperature Range (TSTG) Temperature Coefficient Clamping Voltage (VC) Specified Test Current <0.01
UNITS
%/OC
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
Device Ratings Specifications
MAXIMUM RATINGS CONTINUOUS TRANSIENT ENERGY (10/1000µs) W(J) PEAK CURRENT (8/20µs) I(A) 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 6500 VARISTOR VOLTAGE TEST CURRENT VN(DC) 1050 1050 1050 1210 1100 CLAMPING VOLT TEST CURRENT (8/20µs) 1160 1050 1280 1160 1410 1280 1560 1410 1820 1650 TYPICAL CAPACITANCE 1MHz (pF) 1900 1900 1600 1600 1000 1000
SPECIFICATIONS
VRMS PART NUMBER DEVICE BRANDING V130PA20A V130PA20C V150PA20A V150PA20C V250PA40A V250PA40C V275PA40A V275PA40C V320PA40A V320PA40C V350PA40A V350PA40C V420PA40A V420PA40C V480PA80A V480PA80C V510PA80A V510PA80C V575PA80A V575PA80C V660PA100A V660PA100C VM(AC)
VM(DC)
NOTE: Average power dissipation transients exceed
Base Mount
Varistor Series
Power Dissipation Ratings
PERCENT RATED VALUE
AMBIENT TEMPERATURE
FIGURE CURRENT, ENERGY POWER DERATING CURVE
PERCENT PEAK VALUE
Virtual Origin Wave Time From Peak Virtual Front time 1.25 Virtual Time Half Value (Impulse Duration) Example: 8/20µs Current Waveform: Virtual Front Time 20µs Virtual Time Half Value
TIME
FIGURE PEAK PULSE CURRENT TEST WAVEFORM
Transient Characteristics Curves
V320PA40A
6,000 5,000 4,000
MAXIMUM PEAK VOLTS
MAXIMUM PEAK VOLTS
3,000 2,000
MAXIMUM CLAMPING VOLTAGE V660PA80A SUFFIX V575PA80A 660VM(AC) RATING V510PA80A 85oC V480PA80A V420PA80A
6,000 5,000 4,000 3,000 2,000
MAXIMUM CLAMPINGVOLTAGE "C"SUFFIX 660VM(AC) RATING -55oC 85oC
V660PA100C V575PA80C V510PA80C V480PA80C V420PA80C
1,000 A40A V320PA40A V150PA20A V130PA20A 10-2
V275PA40A V250PA40A
1,000 V350PA40C V320PA40C V150PA20C
V275PA40C V250PA40C
10-1
PEAK AMPERES
V130PA20C 10-2 10-3
10-1
PEAK AMPERES
FIGURE CLAMPING VOLTAGE V130PA20A V660PA100A
FIGURE CLAMPING VOLTAGE V130PA20C V660PA100C
VARISTOR PRODUCTS
Should transients occur rapid succession, average power dissipation required simply energy (watt-seconds) pulse times number pulses second. power developed must within specifications shown Device Ratings Specifications table specific device. Furthermore, operating values need derated high temperatures shown Figure Because varistors only dissipate relatively small amount average power they are, therefore, suitable repetitive applications that involve substantial amounts average power dissipation.
Base Mount
Varistor Series
Pulse Rating Curves
10,000 5,000 2,000 DISC SIZE 20mm V130PA20A -V320PA40C 10,000 5,000 2,000 DISC SIZE 20mm V420PA40A -V660PA100C
SURGE CURRENT
1,000 INDEFINITE
SURGE CURRENT
1,000 INDEFINITE
1,000 IMPULSE DURA TION
10,000
1,000 IMPULSE DURA TION
10,000
FIGURE SURGE CURRENT RATING CURVES V130PA20A V320PA40C
FIGURE SURGE CURRENT RATING CURVES V420PA40A V660PA100C
NOTE: pulse ratings exceeded, shift VN(DC) specified current) more than ±10% could result.This type shift, which normally results decrease VN(DC), result device meeting original published specifications, does prevent device from continuing function, provide transient protection
Mechanical Dimensions
HOLES SEATING PLANE
SYMBOL
MILLIMETERS 3.94 3.05 7.50 50.6 18.4 4.06 3.17 11.2 7.62 50.8 19.2 14.3
INCHES 0.160 0.125 0.440 0.300 0.030 2.000 0.75 0.126 0.570 0.260 0.165 0.130 0.510 0.260 2.610 1.320 0.305 0.040 1.010 1.120 1.290 0.320 0.240 2.010 0.78 0.040 NOTES
4.18 0.155 3.29 0.120 12.9 66.3 33.5
NOTES: designed 1/4" quick-connect terminal. Case temperature measured surface base plate. (130-150VRMS devices). (250-320VRMS devices). (420-660VRMS devices). Electrical connection: terminal base plate. Typical weight: 30g.
7.75 0.295 25.6 28.3 32.8 51.0 20.0 0.220 1.990 0.72 0.110
Base Mount
Varistor Series
Suggested Hardware Mounting Arrangements
TYPICAL NON-ISOLATED MOUNTING TYPICAL ISOLATED MOUNTING
#10-32 HEAD SCREW WASHER THERMAL GREASE VARISTOR MOUNTING SURFACE LOCK WASHER #10-32 THERMAL QUICK CONNECT (NOTE THERMAL GREASE
#6-32 SCREW WASHER PHENOLIC SHOULDER WASHER SPACER VARISTOR MICA INSULATOR MOUNTING SURFACE LOCK WASHER #6-32
VARISTOR PRODUCTS
NOTE: G623, Corning, DC3, 340, Thermal Grease recommended best heat transfer.
1,000V Isolation containing following parts ordered part #A7811055 (Qty).
MICA insulation 1"/3.1"/0.005" thick quick-connect terminal Phenolic shoulder washer Spacer #6-32/3 screw #6-32 internal tooth lock washer flat washer
Ordering Information
VARISTOR CLAMPING VOLTAGE SELECTION DESIGNATOR Standard Clamp Voltage Option RELATIVE ENERGY INDICATOR SERIES DESIGNATOR
VM(AC) 130V 660V
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