Pushbutton Switches Butt Contact Pushbutton Switches SerieS 38Bt and 38BC Sub-Miniature Vertical PC Mount FeatureS Actuates at Right Angle to Pr inted Circuit Board Drop-In Replacement for Industr y Standard SPST and SPDT, Momentar y Contact Sealed Plunger Option diMenSiOnS in inches (and millimeters) .200 38Bt (5,08) Dim. A .190 (4,83) .200 .320 DIA. (5,08) (8,13) .100 (2,54) DIA177 .020 (0,51) (4,50) .180 (4,57) SQUARE SPSt DIA130 (3,30) TYP527 (13,39) 38BC DIM .527(13,39) .320 .200 .180 .177 (5,08) (8,13) (4,57) (4,50) DIA200 .100 .190 (2,54) .130 (4,83) DIA020 (0,51) DIA. (3,30) SPdt .100 SQ. TYP. TYP. (2,54) TYP. Unless otherwise indicated, tolerances are .010 (0,25) SPeCiFiCatiOnS electrical ratings Materials and Finishes Operating Life: 80,000 make-and-break Base and Cover: Ther moplastic (UL 94V-0) insulation resistance: 1000 megaohms cycles at full load Plunger: Ther moplastic (UL 94V-0), (S minimum Contact rating (resistive load): versions include an inter nal o-r ing seal) Voltage Breakdown: 1000 Vr ms minimum at Gold Contacts: 0.4 VA maximum at 20 Vac or t erminals: Copper alloy, gold or silver plate sea level Vdc (as specified) over nickel plate Operating t emperature: -30C. to +85C. Silver Contacts: 1.0 Amp maximum at 120 Spring: Plated music wire Solderability: Per MIL-STD-202F, Method Vac or 28 Vdc Contact System: Copper alloy, gold or silver 208D, or EIA RS-186E, Method 9 (1 hour Contact resistance: Below 20 milliohms plate (as specified) over nickel plate steam aging) typical initial at 2-4 Vdc, 100 mA, for both silver and gold-plated contacts CirCuitry OrderinG inFOrMatiOn Series: 38BT = SPST, Momentar y, Thr u-Hole Series: 38BC = SPDT, Momentar y, Thr u-Hole SPStn.O. dimension a: 0 = 0.020 4 = 0.215 38Bt -4-V-3-S SPSt n.O. Seal: S = O-Ring Seal, N = No Seal Contact Material: 1 = Solder Dip over Gold N.C. 2 = Solder Dip over Silver TERM. 1 COMM 3 = Gold - RoHS Compliant TERM. 2 N.O. 4 = Silver - RoHS Compliant TERM. 3 Orientation: V = Ver tical to PCB SPdtn.O. Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com 1X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Pushbutton Switches category: Click to view products by Grayhill manufacturer: Other Similar products are found below : 8940K2012 LW1L-M1C10V-A LW1L-M1C70-A LW2L-A1C20M-GD LW2L-M1C20M-A 60324L M22-D-R-GB0/K11 M7E-HRN2 67021K512 67081K512X 701PB580 7199K101 810K12910 810KSV30B MML21EA2ADK MML21KA3ABK MML23KA3AC05K-001 MML23KW3AA01W 8418K2 8442K3 8450K1 860K11911T01A 861901 861K11911T01A07 861K13810T00A14 861K13911 8646AB6X718UL 8646ABUL 9001KXRK 907AYY100 PMHD155A1 9533CD4+U574+U4922 95-414.000 99-450.837 99-453.837 PV3H2B0NN-341 1203MRA A22NZBGANGA A22NZBNANGA A22NZMPATRA A2PMA1X03EC56 A3A-5123-02 A3A-7140 A3A- 7310 A3A-7340 A3U-TMW-A2C-5M A595 12037A2ULCSA ABD122N-B 1211390004