ERZ-SF2MK471
ERZ-SF2MK471 is (ERZ-SF2xxx) METAL-OXIDE VARISTOR manufactured by Panasonic.
ÒZNRâÓ Transient/Surge Absorbers, SMD Mo Ld
Type: Type: Type:
VF CF SF a D . n Features w w w
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ÒZNRâÓ Surge Absorbers, SMD Mold n Remended Applications l Large withstanding surge current capability in pact size l Designed for flow/reflow solderings l Excellent response against high steep surge voltage l Low clamping voltage for better surge protection l Protection of munication module (Modem, x DSL, Terminal Adopter) l Protection of consumer equipment l Protection of industrial equipment l Protection of automobile equipment l Absorption of switching surge from relays n Precautions for Handling
See Page 134 to 136 n Explanation of Part Numbers
E R Z V F
Z n Construction w w w t a .D
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1 ZNR element 2 Resin mold 3 Conductive adhesive 4 Electrode 5 Lead terminals
Zn O etc. Epoxy Resin(UL94V-0 approved) Silver Silver Soldered Ni-Fe Alloy n Dimensions in mm (not to scale)
Type VF1M VF1T0 CF SF W L
6.0±0.4 8.0±0.5 3.2±0.3 1.3±0.3 2.5±0.2 6.0±0.4 8.0±0.5 2.3±0.1 1.3±0.3 2.5±0.2 6.0±0.4 6.2±0.4 8.0±0.5 3.2±0.3 1.3±0.3 2.5±0.2 w w w
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ÒZNRâÓ Surge Absorbers, SMD Mold n Ratings and Characteristics l Operating Temperature Range: Ð40 to 85 ¡C l Storage Temperature Range: Ð40 to 125 ¡C l Temperature Coefficient of Varistor Voltage: 0 to Ð0.05 %/¡C Varistor Voltage Maximum Allowable Voltage Clamping Voltage at Ip (max.) Vx A (V) 43 53 65 77 93 110 135 135 165 200 250 340 360 395 455 545 595 650 710 775 Ip (A) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 1011 1011 1011 1011 1011 1011 1011 1011 1011 1011 1011 1011 1011 Rated Power (W) 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 Maximum Maximum Energy Peak Current (2 ms) (8/20 µs, 2 times) (W) 10.5 10.7 10.8 10.9 11.1 11.3 11.6 12.5 13.0 13.5 14.5 16.0 16.5 17.5 18.0 18.0 19.0 19.0 10.0 10.0 (A) 125 125 125 125 125 125 125 600 600 600 600 600 600 600 600 300...
