38BT-0-V-3-S

Sealed Subminiature Pushbutton Switches SERIES 38B AND 38G Sealed Subminiature Pushbutton Switches FEATURES • Drop-In Replacement for Industry Standard • Choice of Terminations • Printed Circuit Board Mount • SPST, DPST and SPDT Momentary Contact SERIES 38B DIMENSIONS In inches (and millimeters) .200 (5,08) Dim. A .200 (5,08) .190 (4,83) DIA. .100 (2,54) DIA. .180 (4,57) DIA. .177 (4,50) .020 (0,51) SQUARE .130 (3,30) TYP. .527 (13,39) .527(13,39) DIM "A" 38BC .320 (8,13) .180 (4,57) DIA. .200 (5,08) .320 (8,13) .177 (4,50) SPDT 1 SPST .200 .100 (2,54) DIA. .190 (4,83) DIA. 38BT .130 (3,30) TYP. .215 (5,46) .125 (3,18) CL .249 (6,32) .020 (0,51) SQ. TYP. .100 (2,54) TYP. .162 (4,11) .320 (8,13) .025 (0,64) .130 (3,30) CL SPST .043 (1,09) DIA. TYP. .200 (5,08) .100 (2,54) DIA. .030 (0,76) TYP. C L 38BH .249 (6.32) .200 (5,08) .125 (3,18) .180 (4,57) .165 (4,19) DIA. .015 (0,38) TYP. .200 (5,08) Pushbutton Switches 38BT DIM. "A" .020 (0,51) TYP. .030 (0,76) TYP. .200 (5,08) .162 (4.11) .025 (0.64) C L .200 (5,08) .320 (8.13) .200 (5.08) .130 (3.30) .043 (1.09) DIA. TYP. .100 (2.54) TYP. SPDT 1 .030 (0.76) TYP. .200 (5.08) .180 .125 .100 (4.57) (3.18) (2.54) DIA. DIA. .165 (4.19) .015 (0.38) TYP. .030 (0.76) TYP. .200 (5.08) 2 .020 (0.51) TYP. 3 TERMINAL IDENTIFICATION .200 (5.08) .200 (5.08) Unless otherwise indicated, tolerances are ± .010 (0,25) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 1 Sealed Subminiature Pushbutton Switches SERIES 38B SPECIFICATIONS Electrical Ratings Operating Life: 80,000 make-and-break cycles at full load Contact Rating (resistive load): Gold Contacts: 0.4 VA maximum at 20 Vac or Vdc Silver Contacts: 1.0 Amp maximum at 120 Vac or 28 Vdc Contact Resistance: Below 20 milliohms typical initial at 2-4 Vdc, 100 mA, for both silver and gold-plated contacts CIRCUITRY Insulation Resistance: 1000 megaohms minimum Voltage Breakdown: 1000 Vrms minimum at sea level Operating Temperature: -30°C. to +85°C. Solderability: Per MIL-STD-202F, Method 208D, or EIA RS-186E, Method 9 (1 hour steam aging) Materials and Finishes Base and Cover: Thermoplastic (UL 94V-0) Plunger: Thermoplastic (UL 94V-0), (S versions include an internal o-ring seal) Terminals: Copper alloy, solder plate over nickel plate, solder plate Spring: Plated music wire Contact System: Copper alloy, gold or silver plate (as specified) over nickel plate ORDERING INFORMATION Pushbutton Switches Series: 38BT = SPST, Momentary, Thru-Hole Series: 38BC = SPDT, Momentary, Thru-Hole, Vertical 38BH = SPDT, Momentary, Thru-Hole, Horizontal Dimension A: 0 = 0.020" 4 = 0.215" SPST N.O. 38BT-4-V-1-S Seal: S = O-Ring Seal, N = No Seal Plating: 1 = Gold Contact, Solder Terminals 2 = Silver Contacts,Solder Terminals 3 = Gold Contacts and Terminals 4 = Silver Contacts and Terminals Orientation: V = Vertical to PCB, H = Horizontal to PCB 2COMM. 3 N.O. N.C.1 SPDT–N.O. SERIES 38G DIMENSIONS In inches (and millimeters) M6 Ø.177 (Ø4,50) .217 5,50) Ø.100 (Ø2,54) EPOXY SEAL .327 (8,30) .362 (8,30) SPST .030 (0,76) .200 (5,08) .016 (0,40) .158 (4,00) .034 (0,85) .100 (2,54) .200 (5,08) M7 .217 (5,50) Ø.177 (Ø4,50) .020 (0,50) EPOXY SEAL .020 (0,50) Ø.100 (Ø2,54) .201 (5.08) .200 (5,08) Ø.043 (Ø1.09) SPST .030 (0.76) .319 (8,10) .016 (0,40) .172 (4,37) .200 (5,08) 2 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois .200 (5,08) .030 (0,76) .200 (5.08) P.C. MOUNTING 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Sealed Subminiature Pushbutton Switches SERIES 38G DIMENSIONS In inches (and millimeters) M7 .217 (5,50) Ø.177 (Ø4,50) EPOXY SEAL Ø.100 (Ø2,54) DPST .362 (5.08) .200 (5,08) .200 (5,08) .185 (4,70) .200 (5,08) P.C. MOUNTING .201 (5,10) .020 (0,50) Ø.043 (Ø1.09) .201 (5.10) .319 (8,10) .016 (0,40) .172 (4,37) .200 (5,08) .100 (2,54) Pushbutton Switches EPOXY SEAL Ø.100 (Ø2,54) .030 (0.76) .200 (5,08) .030 (0,76) .189 (4,80) .228 (5,80) Ø.177 (Ø4,50) Ø.043 (Ø1.09) .327 (8,30) .016 (0,40) .030 (0,76) SPDT .020 (0,50) .100 (2,54) .200 (5.08) .030 (0,76) P.C. MOUNTING V2 Ø.100 (Ø2,54) Ø.177 (Ø4,50) .161 (4,10) Ø.043 (Ø1.09) .366 (9,30) .217 (5,50) SPST EPOXY SEAL .201 (5,10) .030 (0,76) .016 (0.40) .400 (10.16) .020 (0.50) .200 (5.08) P.C. MOUNTING .200 (5.08) Ø.100 (Ø2,54) Ø.177 (Ø4,50) .161 (4,10) .200 (5,08) .366 (9,30) DPST EPOXY SEAL .030 (0,76) .016 (0.40) .400 (10.16) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Ø.043 (Ø1.09) .400 (10,16) .217 (5,50) .201 (5,10) .400 (10.16) .020 (0.50) .200 (5.08) .200 (5,08) P.C. MOUNTING 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 3 Sealed Subminiature Pushbutton Switches SERIES 38G DIMENSIONS In inches (and millimeters) V2 Ø.177 (Ø4,50) Ø.100 (Ø2,54) .161 (4,10) Ø.043 (Ø1.09) .366 (9,30) SPDT .217 (5,50) .100 (2,54) EPOXY SEAL .201 (5,10) .020 (0.50) .016 (0.40) Pushbutton Switches .030 (0,76) .400 (10.16) P.C. MOUNTING .100 (2,54) .400 (10.16) Snap-in Termination Options (Same P.C. mounting as V2, M6, M7 but with snap-in bracket) S7 S6 S2 Circuitry SPST MODEL NO. WSP9 SWITCH POSITION OFF (ON) ()=MOMENTARY DPST MODEL NO. WDP9 TERM. COMM. SWITCH POSITION OFF (ON) 2-3 2-1 ()=MOMENTARY SPDT MODEL NO. WSP8 TERM. COMM. SWITCH POSITION ON (ON) 2-3 2-1 ()=MOMENTARY 2COMM. SCHEMATIC SCHEMATIC 4 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois SCHEMATIC N.C.1 3 N.O. 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Sealed Subminiature Pushbutton Switches SERIES 38G SPECIFICATIONS Rating Criteria Operating Life: 50,000 make-and-break cycles at full load Contact Rating (resistive load): R Option: 0.4 VA maximum at 20 Vac or Vdc maximum G Option: 5A max at 125 Vac or 28 Vdc; 2A max at 250 Vac Contact Resistance: Below 20 milliohms typical initial at 2-4 Vdc, 100 mA Insulation Resistance: 1000 megaohms minimum Voltage Breakdown: 1500 Vrms minimum at sea level Operating Temperature: -30°C. to +85°C. Terminals: Copper alloy Spring: Plated Music Wire Contact System: Copper alloy Switch Support: Brass, tin-plated Materials and Finishes Case: Glass filled Nylon 6/6 (UL 94V-0) Plunger: Thermoplastic Polyester(UL 94V-0) (with internal o-ring seal) ORDERING INFORMATION MODEL NO. TERMINATION CONTACT SEAL 38G WSP8 M7 R E Subminiature Sealed Pushbutton Switches Options: WSP8, WSP9, WDP9 (see models for switching positions) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Options: M6, M7, S2, S6, S7, V2 (see termination options) R = Copper alloy, gold plate over nickel plate. Pushbutton Switches SERIES E = Epoxy seal G=Gold plate over silver plate 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 5