Pushbutton Switches Butt Contact Pushbutton Switches SERIES 38BT and 38BH Sub-Miniature Horizontal PC Mount FEATURES Drop-In Replacement for Industr y Stan- dard 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. L (6,32) (5,08) (3,30) .100 (2,54) .200 .125 DIA. (5,08) (3,18) .030 .180 (4,57) .165 (4,19) .030 (0,76) TYP. .020 .200 DIA. (0,76) (0,51) .015 (0,38) TYP. .200 (5,08) .200 (5,08) TYP. TYP. (5,08) SPST 38BH .320 PC Mounting C DIM. L .162 (8.13) .025 (4.11) (0.64) .043 (1.09) .100 DIA. TYP. .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) DIA. .020 DIA. (0.76) IFICATION .165 TYP. .200 .200 (0.51) TYP. (4.19) (5.08) (5.08) TYP. .200 .200 (5.08) .015 (5.08) SPDT (0.38) TYP. Unless otherwise indicated, tolerances are .010 (0,25) SPECIFICATIONS Base and Cover: Thermoplastic (UL 94V-0) Rating Criteria Plunger: Thermoplastic (UL 94V-0), (S versions Operating Life: 80,000 make-and-break cycles minimum include an internal o-ring seal) at full load Voltage Breakdown: 1000 Vrms minimum at Terminals: Copper alloy, gold or silver plate (as Contact Rating (resistive load): sea level specified) over nickel plate Gold Contacts: 0.4 VA maximum at 20 Vac or Operating Temperature: -30C. to +85C. Spring: Plated Music Wire Vdc maximum Solderability: Per MIL-STD-202F, Method Contact System: Copper alloy, gold or silver Silver Contacts: 1.0 Amp maximum at 120 Vac 208D, or EIA RS-186E Method 9 (1 hour steam plate (as specified) over nickel plate or 28 Vdc aging) Switch Support: Brass, tin-plated Contact Resistance: Below 20 milliohms typical initial at 2-4 Vdc, 100 mA Materials and Finishes Insulation Resistance: 1000 megaohms CIRCUITRY ORDERING INFORMATION Series: 38BT = SPST, Momentary, Thru Hole Series: 38BH = SPDT, Momentary, Thru 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 Plating Material: 1 = Solder Dip over Gold (Non-RoHS) N.C. TERM. 1 2 = Solder Dip over Silver (Non-RoHS) COMM TERM. 2 3 = Gold - RoHS Compliant N.O. 4 = Silver - RoHS Compliant TERM. 3 Orientation: H = Horizontal to PCB SPDTN.O. Available from your local Grayhill Distributor For prices and discounts, contact a local Sales Office, an authorized local distributor, or Grayhill. Pushbutton 6 Gr ayhill, Inc. 561 Hillg ro ve Aven ue LaGr ange , Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.g r ayhill.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 : LW1L-M1C10V-A LW2L-A1C20M-GD LW2L-M1C20M-A 60324L M7E-HRN2 67021K512 67081K512X 701PB580 719-5504-000 MDPSSGLFS 810KSV30B MML21KA3ABK MML23KA3AC05K-001 MML23KW3AA01W 8418K2 8646AB6X718UL 8646ABUL FSDWH 9001KXRK 9001T8BK 9533CD4+U574+U4922 1203MRA A22EM01S A595 1202A6 12037A2ULCSA 1203A2UL ABD122N- B 1211390004 ABN111-Y ABN400-R 1211500044 1211580012 1212MRA 1232A6NF RA3CSH6A 1241.1183.7047 1241.2511 1241.3428 1223A2ULCSA 1223MRA 1232AX2119 1241.1183.8000 1241.1183.8029 1241.2506 1241.2606 12MA6 1301940184 RELBARF6X10(PLASTIC) 13435AG