Butt Contact Pushbutton Switches SERIES 39 SPST, 150 mA FEATURES •1/4" Diameter •Up to 1,000,000 Cycles of Operation • PC Mount DIMENSIONS in inches (and millimeters) SPST–Normally Open, without Nut 39-405* 8-40 UNS-2A THREAD .110 ± .005 (2,79 ± 0,13) DIA. Pushbutton Switches A E.I.A. DATE CODE LABEL* B .640 (16,26) REF. C TERMINALS ARE .020 (0,50) SQUARE Rating at 28 Vdc Resistive Operations at Rated Load 150 mA 1,000,000 D .250 +.010/ –.005 (6,35 + 0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) DIAMETER A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) *Label increases B = .125 ± .010 (3,18 ± 0,25) nominal diameter C = .215 ± .015 (5,46 ± 0,38) to .255 (6,48) D = .125 ± .010 (3,18 ± 0,25) Action Momentary *Complete Part Number 39-405 RED 39-405 BLK Button Color Red Black Actuating Force (oz.) Total Travel .035 ± .015 (0,89 ± 0,38) 4 +4 –2 SPST–Normally Open, with Nut 39-401* .110 ± .005 (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD H = HEX MTG NUT .219 ± .010 (5,56 ± 0,25) ACROSS FLATS .063 ± .010 (1,59 ± 0,25) THICK TERMINALS ARE .020 (0,50) SQUARE H E.I.A. DATE CODE LABEL* A B .640 (16,26) REF. C 39-424* 150 mA 1,000,000 Action Momentary *Complete Part Number 39-401 RED 39-401 BLK Total Travel .035 ± .015 (0,89 ± 0,38) Button Color Red Black Actuating Force (oz.) 4 +4 –2 .110 ± .005 (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD H = HEX MTG NUT .219 ± .010 (5,56 ± 0,25) ACROSS FLATS .063 ± .010 (1,60 ± 0,25) THICK Operations at Rated Load D .250 +.010/ –.005 (6,35 +0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) DIAMETER A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) *Label increases B = .125 ± .010 (3,18 ± 0,25) nominal diameter C = .215 ± .015 (5,46 ± 0,38) to .255 (6,48) D = .125 ± .010 (3,18 ± 0,25) SPST–Normally Open, with Overtravel Rating at 28 Vdc Resistive A H E.I.A. DATE CODE LABEL* TERMINALS ARE .020 (0,50) SQUARE B .780 (19,81) REF. Operations at Rated Load 150 mA 100,000 Action Total Travel C D .250 +.010/ –.005 (6,35 +0,25/ – 0,13) .100 ± .010 (2,54 ± 0,25) DIAMETER A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) *Label increases B = .125 ± .010 (3,18 ± 0,25) nominal diameter C = .355 ± .015 (9,02 ± 0,38) to .255 (6,48) D = .125 ± .010 (3,18 ± 0,25) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois Rating at 28 Vdc Resistive *Complete Part Number 39-424 RED 39-424 BLK Over Travel .130 ± .025 .015 (0,38) Momentary (3,30 ± 0,64) Min. Button Color Red Black Actuating Force (oz.) 5 ± 3 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Butt Contact Pushbutton Switches DIMENSIONS in inches (and millimeters) Right Angle, SPST–Normally Open 39-501* 39-503* Mounting Footprint .175 +.025/ –.020 (4,45 +0,64/ – 0,51) .110 (2,79) ± .010 (0,25) DIA. A = .125 ± .010 (3,18 ± 0,25) A B B = .215 ± .015 (5,46 ± 0,38) .600 (15,24) REF. .250 + .010/ –.005 (6,35 + 0,25/ – 0,13) DIA. .089 (2,26) MIN. .075 ± .010 (1,91 ± 0,25) Rating at 28 Vdc Resistive .300 (7,62) REF. C = .060 ± .005 (1,52 ± 0,13) 150 mA Operations at Rated Load 1,000,000 Protective cap Action (included with 39-503 RED and 39-503 BLK) Momentary seals switch during wave soldering. *Complete Part Number 39-501 RED 39-501 BLK 39-503 RED 39-503 BLK Total Travel .035 ± .015 (0,89 ± 0,38) Button Color Red Black Red Black Actuating Force (oz.) 4 +4 –2 SPST–Normally Open, with Panel and Button Seal 39-138* .110 ± .005 DIA. (2,79 ± 0,13) A=.175+.025/-.020 (4,45+0,64/-0,51) B=.125±.010 (3,18±0,25) C=.250±.015 (6,35±0,38) D=.135±.005 (3,43±0,13) A B .692 REF (17,58) C #8-40 UNS-2A THREAD HEX MTG. NUT .0625 (1,59) THICK .218 (5,54) ACROSS FLATS Rating at 115 Vac Resistive D .020±.002 (,508±,051) SQUARE TYP .312±.005 (7,92±0,13) ACROSS FLATS SPECIFICATIONS Rating Criteria 39-138 RED 39-138 BLK Red Black Total Travel .035 ± .015 (0,89 ± 0,38) Actuating Force (oz.) 16 ± 8 ORDERING INFORMATION * Note: Solder process temperatures should not expose main switch body to temperatures higher than 270F. (132C). Reflow soldering is not recommended. Contact Grayhill for more specific details. CIRCUITRY ACCESSORIES SPST–N.O. 250,000 Momentary Materials and Finishes SHH1699 Button Color Action Bushing/Housing: Aluminum, clear anodized for 39-138; Brass, tin zinc for all others Standoff: (39-501 and 39-503) Brass, tin plated over nickel Base and Button: Thermoplastic Shorting Bar: Brass, gold-plated over nickel plate for 39-501and 39-503; fine silver, goldplated for others Terminals: Fine silver, gold-plated for 39-138; Brass, gold-plated over nickel for all others Spring: Tinned music wire Mounting Nut: (39-401 and 39-424) Brass, zinc trivalent chromate-plated Contact Resistance: 25 milliohms maximum on a new switch Voltage Breakdown: 1,000 Vac between mutually insulated parts Insulation Resistance: 1,000 megohms minimum Operating Temperature: -40°C to +85°C *Complete Part Number ½ Amp E.I.A. DATE CODE .110 ± .005 (2,79 ± 0,13) Operations at Rated Load Part No. Type & Button Color 39-401 RED 39-401 BLK 39-405 RED 39-405 BLK 39-424 RED 39-424 BLK 39-501 RED 39-501 BLK 39-503 RED 39-503 BLK 39-138 RED 39-138 BLK N.O., Red N.O., Black N.O., No Nut, Red N.O., No Nut, Black N.O., Overtravel, Red N.O., Overtravel, Black N.O., Right Angle, Red N.O., Right Angle, Black 39-501 Red & Cap Seal 39-501 Blk & Cap Seal 39-351 PC Mount & Seal 39-351 PC Mount & Seal Accessory Part Number 30B1012-5 30B1012-8 30B1012-9 30B1012-5 30B1012-8 30B1012-9 SHH1699 Description Red Accessory Cap White Accessory Cap Black Accessory Cap Cap Seal Only, Black Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized Distributor or Grayhill. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Pushbutton Switches *Label increases nominal diameter to .255 (6,48) .100 (2,54) HOLES FOR .020 (0,51) SQUARE PINS (4) .200 (5,08) C .050 ± .010 (1,27 ± 0,25) .140 ± .015 (3,56 ± 0,38) .200 ± .005 (5,08 ± 0,13) .050 (1,27) .300 (7,62) .300 ± .005 (7,62 ± 0,13) E.I.A. DATE CODE LABEL* .100 (2,54) REF. .050 (1,27) REF. .100 (2,54) .315 ± .010 (8,00 ± 0,25)