world products inc. p.o. box 517, 19654 eighth st. east, sonoma, ca 95476 phone (707) 996-5201 fax (707) 996-3380 revised 02/06/03 http:// www.worldpr oducts.com/ rev id 1.20 1 multilayer varistor wpmlv series excellent clamping ratio, compact size (eia0603 & 0402), quick response time (<1nsec.), low voltage, high transient current capability, over voltage protector explanation of part number example part number: dimensions 1005 1608 l 1.00 0.10 (0.04 0.004) 1.60 0.20 (0.063 0.008) w 0.50 0.10 (0.02 0.004) 0.80 0.20 (0.032 0.008) t 0.50 0.10 (0.02 0.004) 0.80 0.20 (0.032 0.008) c 0.30 0.20 (0.01 0.004) 0.30 0.20 (0.01 0.008) unit : millimeters ( inches ) specifications working voltage varistor voltage resistance peak current clamping voltage transient energy capacitance v rms v dc v v ? v v ir imax vc wmax cp* volts (max) volts (max) volts (max.) % x10 6 ohm (max.) amps (max.) volts (max.) joules (max.) pf(typ.) part no. < 50 a 1ma dc 5 vdc 8/20 s 1a8/20 s 10/1000 s 1v rms 1khz 1v rms 1mhz wpmlv-1005-m04 4 5.5 8 20 10* 20 19 0.05 350 330 wpmlv-1005-m07 7 9 12.5 20 10 20 32 0.05 61 57 wpmlv-1005-l08 8 11 15 15 10 20 33 0.05 50 45 WPMLV-1005-K11 11 14 18 10 10 20 35 0.05 40 35 wpmlv-1005-k14 14 18 22 10 10 20 45 0.05 32 24 wpmlv-1608-m04 4 5.5 8 20 10 30 19 0.1 300 270 wpmlv-1608-m07 7 9 12.5 20 10 30 27 0.1 235 205 wpmlv-1608-k11 11 14 18 10 10 30 35 0.1 160 140 wpmlv-1608-k14 14 18 22 10 10 30 40 0.1 140 120 ir-resistance at 5v dc * measured resistance at 3.3v dc additional items general specifications operating temperature -55 o c ~ +125 o c storage temperature -55 o c ~ +125 o c response time <1 ns solderability 235 o c 2 sec solder reaching 260 o c 10 sec applications 1. mother board/notebook 2. cellular phone 3. pda and handheld device 4. dsc/ dv 5. scanner 6. set-top box
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