38BT-0-V-1-S

Butt Contact Pushbutton Switches sERIES 38BT and 38bc Sub-Miniature Vertical PC Mount Features • Actuates at Right Angle to Printed Circuit Board • Drop-In Replacement for Industry Standard • SPST and SPDT, Momentary Contact • Sealed Plunger Option DIMENSIONS in inches (and millimeters) 38BT .200 (5,08) Dim. A .320 (8,13) .100 (2,54) DIA. .177 .180 (4,57) (4,50) DIA. SPST .020 (0,51) SQUARE .130 (3,30) TYP. .527 (13,39) 38BC .527(13,39) .200 .100 (2,54) DIA. .190 (4,83) DIA. SPDT .200 (5,08) .320 (8,13) .177 (4,50) 1 DIM "A" .180 (4,57) DIA. .130 (3,30) TYP. .100 (2,54) TYP. .020 (0,51) SQ. TYP. Unless otherwise indicated, tolerances are ± .010 (0,25) SPECIFICATIONS Electrical Ratings Materials and Finishes 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 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) CIRCUITRY ORDERING INFORMATION SPST–N.O. SPSt n.O. N.C. TERM. 1 COMM TERM. 2 N.O. TERM. 3 SPDT–N.O. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Base and Cover: Thermoplastic (UL 94V-0) Plunger: Thermoplastic (UL 94V-0), (S versions include an internal o-ring seal) Terminals: Copper alloy, gold or silver plate (as specified) over nickel plate Spring: Plated music wire Contact System: Copper alloy, gold or silver plate (as specified) over nickel plate 38BT-4-V-3-S Series: 38BT = SPST, Momentary, Thru-Hole Series: 38BC = SPDT, Momentary, Thru-Hole Dimension A: 0 = 0.020" 4 = 0.215" Seal: S = O-Ring Seal, N = No Seal Contact Material: 1 = Solder Dip over Gold 2 = Solder Dip over Silver 3 = Gold - RoHS Compliant 4 = Silver - RoHS Compliant Orientation: V = Vertical to PCB 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton Switches .200 (5,08) .190 (4,83) DIA.