Pushbutton Switches Butt Contact Pushbutton Switches SerieS 38Bt and 38BH Sub-Miniature Horizontal PC Mount FeatureS Drop-In Replacement for Industr y Standard Sealed Plunger Option Pr inted Circuit Board Mount SPST and SPDT, Momentar y Contact diMenSiOnS in inches (and millimeters) 38Bt .125 .215 .162 C .320 (8,13) L (3,18) (5,46) (4,11) PC Mounting .025 .043 (1,09) .249 .200 (0,64) C .130 DIA. TYP. (6,32) L (5,08) (3,30) .100 (2,54) .200 .125 DIA. (5,08) (3,18) .180 (4,57) .030 .165 (4,19) .030 (0,76) TYP020 .200 DIA. (0,76) (0,51) .200 .015 (0,38) TYP. (5,08) TYP200 (5,08) TYP. (5,08) SPSt 38BH .320 PC Mounting C DIM. L .162 (8.13) .025 (4.11) (0.64) .043 (1.09) DIA. TYP100 .200 .249 (2.54) C .130 L (5.08) (6.32) TYP. (3.30) 1 2 3 .180 .125 TERMINAL .100 .030 (4.57) (3.18) IDENT- (2.54) .030 (0.76) DIA020 DIA. IFICATION (0.76) .165 TYP200 .200 (0.51) TYP. (4.19) (5.08) (5.08) TYP200 .200 (5.08) .015 (5.08) SPdt (0.38) TYP. Unless otherwise indicated, tolerances are .010 (0,25) SPeCiFiCatiOnS rating Criteria Materials and Finishes Base and Cover: Ther moplastic (UL 94V-0) Operating Life: 80,000 make-and-break cycles insulation resistance: 1 0 0 0 m e g a o h m s at full load min. Plunger: Ther moplastic (UL 94V-0), (S versions Contact rating (resistive load): Voltage Breakdown: 1000 Vr ms minimum at include an inter nal o-r ing seal) t erminals: Copper alloy, gold or silver plate (as Gold Contacts: 0.4 VA maximum at 20 Vac or sea level Vdc maximum Operating t emperature: -30C. to +85C. specified) over nickel plate Spring: Plated Music Wire Silver Contacts : 1.0 Amp maximum at 120 Vac Solderability: Pe r M I L - S T D - 2 0 2 F, M e t h o d or 28 Vdc 208D, or EIA RS-186E Method 9 (1 hour steam Contact System: Copper alloy, gold or silver Contact resistance: Below 20 milliohms typical aging) plate (as specified) over nickel plate Switch Support: Brass, tin-plated initial at 2-4 Vdc, 100 mA CirCuitry OrderinG inFOrMatiOn Series: 38BT = SPST, Momentar y, Thr u Hole Series: 38BH = SPDT, Momentar y, Thr u Hole SPStn.O. dimension a: 0 = 0.020 4 = 0.215 38BX-4-H-3-n 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: H = Hor izontal to PCB SPdtn.O. Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.comX-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