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 .110 ± .005 39-405* (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD P A Rating at Operations *Complete Button ushbutto TERCMOIEND.AIE.AL SL. AD ABARETEEL * CB .640R (E1F6.,26) R12e58s0 iVs mdticvAe 1a,t0L R0o0aa,td0e0d0 3399N--44uP00ma55rb RBteLErKD RBCleaodclokr n S .020 (0,50) SQUARE D Total Actuating witches .(D26I5,A30M5 + E+.0 T01E,02R/5 –/ .–0 005,1A3 =) .175 + .025/. 1–0.002 ±0 .(041,405 ( 2+, 504,6 ±4 /0 –,2 05,)51) MAomcteionntary .(003,85T9 r± a± . v 0 0 e1 , l35 8 ) F o r4c e+– (24oz.) *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 Nut 39-401* 8-40 UNS-2A .110 ± .005 (2,79 ± 0,13) DIA. THREAD H = HEX MTG NUT .219 ± .010 (5,56 ± 0,25) H A Rating at Operations *Complete Button ACROSS FLATS E.I.A. B 28 Vdc at Rated Part Color .063 ± .010 (1,59 ± 0,25) DATE .640 (16,26) Resistive Load Number THICK CODE C REF. 150 mA 1,000,000 39-401 RED Red TERMINALS ARE LABEL* D 39-401 BLK Black .020 (0,50) SQUARE Total Actuating .250 +.010/ –.005 Action Travel Force (oz.) (6,35 +0,25/ – 0,13) DIAMETER .100 ± .010 (2,54 ± 0,25) M omentary .035 ± . 0 1 5 4 + 4 A = .175 + .025/ –.020 (4,45 + 0,64/ – 0,51) (0,89 ± 0,38) – 2 *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 .110 ± .005 39-424* (2,79 ± 0,13) DIA. 8-40 UNS-2A THREAD Rating at Operations *Complete H = HEX MTG NUT H A 28 Vdc at Rated Part BCuotltoorn .219 ± .010 (5,56 ± 0,25) E.I.A. B .780 (19,81) Resistive Load Number ACROSS FLATS DATE REF. 150 mA 100,000 39-424 RED Red .063 ± .010 (1,60 ± 0,25) CODE C 39-424 BLK Black THICK LABEL* TERMINALS ARE Action Total Over Actuating .020 (0,50) SQUARE D Travel Travel Force (oz.) .130 ± .025 .015 (0,38) .250 +.010/ –.005 M omentary (3, 30 ± 0,64) Min. 5 ± 3 (6,35 +0,25/ – 0,13) DIAMETER .100 ± .010 (2,54 ± 0,25) 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 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 Mounting Footprint 39-501* 39-503 ±* .010 .(101,205 ()2 D,7IA9). .(147,455 + +.002,654/ /– –.0 02,051) .(381,050 ± ± . 001,205) (2.1,5040) (.73,0602) .050 (1,27) .300 ± .005 (7,62 ± 0,13) A = .125 ± .010 A .600 E.I.A. B = .(231,158 ± ± . 001,255) B (R1E5F,2.4) CDOADTEE C (.52,0008) HOLES FOR .100 (2,54) (5,46 ± 0,38) LABEL* .020 (0,51) SQUARE PINS (4) .100 (2,54) REF. .089 .075 ± .010 .250 + .010/ –.005 (2,26) (1,91 ± 0,25) Rating at Operations *Complete (6,35 + 0,25/ – 0,13) DIA. MIN. .300 (7,62) 28 Vdc at Rated Part Button Color REF. Resistive Load Number .(015,207 ± ± . 001,205) C = .060 ± .005 39-501 RED Red (1,52 ± 0,13) 150 mA 1,000,000 39-501 BLK Black 39-503 RED Red 39-503 BLK Black *Label increases . 0 5R0E F(1.,27) .20.(013 4,±50 6. 0± ±0 . 5001,358) ntoo m.2i5n5a l( 6d,i4a8m)eter R(EinDscel uaadnlsedP d sr3 oww9tie-itt5chc0ht i33 vd9 eBu- 5rcLi0anK3pg) M oAmcetinotanry .035 T T r± oa t.v 0a e 1l l 5 F A o c r4tc ue+a t( 4ionzg.) Pushb (5,08 ± 0,13) wave soldering. (0,89 ± 0,38) – 2 utto n S w SPST–Normally Open, with Panel and Button Seal itch e 39-138* s .110 ± .005 DIA. (2,79 ± 0,13) A A=.175+.025/-.020 (4,45+0,64/-0,51) #8-40 UNS-2A B=.125±.010 (3,18±0,25) B THREAD Rating at Operations *Complete C=.250±.015 (6,35±0,38) Button D=.135±.005 (3,43±0,13) .692 REF HEX MTG. NUT 115 Vac at Rated Part Color C (17,58) .0625 (1,59) THICK Resistive Load Number .218 (5,54) ACROSS FLATS 39-138 RED Red ½ Amp 250,000 E.I.A. DATE CODE 39-138 BLK Black D .110 ± .005 .020±.002 Total Actuating (2,79 ± 0,13) .312±.005 S(Q,5U0A8R±,E0 5T1Y)P Action Travel Force (oz.) (7,92±0,13) M omentary .035 ± . 0 1 5 16 ± 8 ACROSS FLATS (0,89 ± 0,38) SPECIFICATIONS ORDERING INFORMATION Rating Criteria Materials and Finishes Part No. Type & Button Color Contact Resistance: 25 milliohms maximum Bushing/Housing: Aluminum, clear anodized on a new switch for 39-138; Brass, tin zinc for all others 39-401 RED N.O., Red Voltage Breakdown: 1,000 Vac between Standoff: (39-501 and 39-503) Brass, tin plated 39-401 BLK N.O., Black mutually insulated parts over nickel 39-405 RED N.O., No Nut, Red Insulation Resistance: 1,000 megohms Base and Button: Thermoplastic 39-405 BLK N.O., No Nut, Black minimum Shorting Bar: Brass, gold-plated over nickel 39-424 RED N.O., Overtravel, Red Operating Temperature: -40°C to +85°C plate for 39-501and 39-503; fine silver, gold- 39-424 BLK N.O., Overtravel, Black plated for others 39-501 RED N.O., Right Angle, Red * Note: Solder process temperatures should Terminals: Fine silver, gold-plated for 39-138; 39-501 BLK N.O., Right Angle, Black not expose main switch body to temperatures Brass, gold-plated over nickel for all others 39-503 RED 39-501 Red & Cap Seal higher than 270F. (132C). Reflow soldering is Spring: Tinned music wire 39-503 BLK 39-501 Blk & Cap Seal not recommended. Contact Grayhill for more Mounting Nut: (39-401 and 39-424) Brass, 39-138 RED 39-351 PC Mount & Seal specific details. zinc trivalent chromate-plated 39-138 BLK 39-351 PC Mount & Seal Accessory CIRCUITRY ACCESSORIES Part Number Description 30B1012-5 Red Accessory Cap SHH1699 30B1012-5 30B1012-8 White Accessory Cap 30B1012-8 30B1012-9 Black Accessory Cap 30B1012-9 SHH1699 Cap Seal Only, Black SPST–N.O. 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