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Series: SM20
SM20 Series - Surface Mount Varistor for use in applications requiring hi-energy / transient current capability

The Littelfuse SM20 Series is a 20mm SMD metal oxide varistor device. The AC rated parts are designed to operate continuously across AC power lines. The DC rated parts are suitable for Automotive applications. The series comprises a Nylon molded package with folded tin plated metal leads for soldering to board.

The SMD Series is based on radial 20mm internal varistor element with similar characteristics to the Littelfuse LA / ZA series of varistors.

Features:
  • DC Voltage Rating 26VDC
  • AC Voltage Rating 175 - 320AC
  • No De-Rating up to 85°C ambient
  • Lead-free, Halogen-free and RoHS compliant
  • Low voltage devices specified for automotive load dump energy
  • Available in "waffle" tray packaging


    • Electrical Characteristics

    Access specifications, certifications, check availability and order parts below:

    Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.


    CatalogNo Certs. Size VMAX AC (V) VMAX DC (V) WTM (J) (ITM 1xAmps (A) VNDC
    (V)     		VNDC MIN
    (V)     		VNDC MAX (V) Vc (V) Stock Sample
    Cart
    V175SM20 20mm 175 225 90 6500 275 247 303 455 [Check] [Add]
    V230SM20 20mm 230 300 122 6500 360 324 396 595 [Check] [Add]
    V250SM20 20mm 250 330 130 6500 391.5 354 429 650 [Check] [Add]
    V26SM20 20mm 20 26 160 2000 36 32 40 63 [Check] [Add]
    V275SM20 20mm 275 369 140 6500 431 389 473 710 [Check] [Add]
    V300SM20 20mm 300 405 165 6500 468.5 420 517 775 [Check] [Add]
    V320SM20 20mm 320 420 150 6500 501 462 540 810 [Check] [Add]