benefits data ldt, lds switches ? momentary (ldt) and latching (lds) action ldt lds electrical data switching voltage [mv] min. 100 ac / dc min. 100 ac / dc [v] max. 60 ac / 50 dc max. 60 ac / 50 dc switching current max. [ma] 200 200 lifetime (at rated breaking capacity 1.2 w) >10 5 >10 5 initial contact resistance, new [m ? ] < 20 < 20 initial contact resistance, after lifetime [m ?] < 25 < 25 insulation resistance [?] > 10 10 > 10 10 contact bounce time [ms] typ. 0.5 typ. 0.5 mechanical data actuating force [n] 1.2 0.6 contact travel [mm] 1.3 0.5 end contact travel [mm] 2.9 0.5 end stop strength [n] > 50 > 50 lifetime [operations] > 10 5 > 10 5 other data soldering method hand soldering(soldering terminal) or soldering bath(print terminals) soldering heat resistance [oc/s] * 280/3(soldering)270/5(print terminals) * 280/3(soldering)270/5(print terminals) ambient temperature illuminated [oc/s] -25 ? + 60 -25 ? + 60 non-illuminated [oc/s] -25 ? + 85 -25 ? + 85 storage temperature illuminated [oc/s] -25 ? + 60 -25 ? + 60 non-illuminated [oc/s] -25 ? + 85 -25 ? + 85 degree of protection ip 40 ip 40 materials socket thermoplast pes thermoplast pes button thermoplast pc thermoplast pc contacts gold on request cuzn 37, mit 5 m ag cuzn 37, mit 5 m ag contact spring cube 37, mit 5 m ag cube 37, mit 5 m ag terminals cuzn 37, mit 4 m sn pb 40 cuzn 37, mit 4 m sn pb 40 led see page 29 * data refers to hand soldering only, not to be used for wave soldering 22 absolute reliability and simple assembly compact design with very small mounting depth excellent price/performance ratio suitable for front and print-mounting good illumination many different application fields
dimensions ldt, lds switches ? momentary and latching action construction circuit diagram ldt / lds, small button ldt / lds, small button with solder terminal dimensions other data wiring diagram front panel drilling drilling diagram solder terminal version inside bevel < 0.2 x 45 n.o. n.o. n.o. led-terminals no 1 pole no 2 pole 23 frontpanel medium stroke
features illumination non-illuminated illuminated models small button small button part number * ldt no 1 pole 0 0 4 1 . 9 1 4 1 . 0 0 0 4 1 . 9 1 4 6 . ldt no 2 pole 0 0 4 1 . 9 1 4 2 . 0 0 0 4 1 . 9 1 4 7 . lds no 1 pole 0 0 4 1 . 9 1 5 1 . 0 0 0 4 1 . 9 1 5 6 . lds no 2 pole 0 0 4 1 . 9 1 5 2 . 0 0 0 4 1 . 9 1 5 7 . colour of small button ** red green black shape of bezel/ button round square colour of led red green colour of bezel black mounting accessories securing clip* * * (necessary for front panel mounting) 0 8 5 0 . 9 2 4 2 7 7 2 1 3 3 1 1 7 5 5 3 3 x x x x x x x x x x x x x x x x x x x x x x x x x x x x ldt / lds ldt / lds overview ldt, lds switches ? momentary (ldt) and latching (lds) action in addition to the versions with the small button, further versions with a large button and switching functions are available on request. * x in the part no. must be replaced by the desired version ** with the illuminated version, the small button is transparent ***securing clip must be ordered separately round bezel/ button : square bezel/ button : securing clip: 24
ldt / lds ldt / lds features illumination non-illuminated illuminated models small button with solder terminal small button with solder terminal part number * ldt no 1 pole 0 0 4 1 . 8 8 4 1 . 0 0 0 4 1 . 8 8 4 6 . ldt no 2 pole 0 0 4 1 . 8 8 4 2 . 0 0 0 4 1 . 8 8 4 7 . lds no 1 pole 0 0 4 1 . 8 8 5 1 . 0 0 0 4 1 . 8 8 5 6 . lds no 2 pole 0 0 4 1 . 8 8 5 2 . 0 0 0 4 1 . 8 8 5 7 . colour of small button ** red green black shape of bezel/ button round square colour of led red green colour of bezel black mounting accessories securing clip* * * 0 8 5 0 . 9 2 4 2 7 7 2 1 3 3 1 1 7 5 5 3 3 x x x x x x x x x x x x x x x x x x x x x x x x x x x x * x in the part no. must be replaced by the desired version ** with the illuminated version, the small button is transparent ***securing clip is included in addition to the versions with the small button, further versions with a large button and switching functions are available on request. round bezel/ button: square bezel/ button: securing clip: 25 frontpanel medium stroke overview ldt, lds switches ? momentary (ldt) and latching (lds) action
p = 016 q = 017 r = 018 s = 019 t = 020 u = 021 v = 022 w = 023 x = 024 y = 025 z = 026 0 = 027 1 = 028 2 = 029 3 = 030 4 = 031 5 = 032 6 = 033 7 = 034 8 = 035 9 = 036 + = 037 - = 038 = 039 x = 040 = 041 = 042 = = 043 # = 044 ? = 045 = 046 = 047 = 048 = 049 = 050 % = 051 = 052 ctrl = 053 return = 054 shift = 055 lock = 056 stop = 057 enter = 058 back = 059 line = 060 ein = 061 aus = 062 auf = 063 ab = 064 on = 065 off = 066 up = 067 down = 068 high = 069 low = 070 on/off = 071 start = 072 a = 001 b = 002 c = 003 d = 004 e = 005 f = 006 g = 007 h = 008 i = 009 j = 010 k = 011 l = 012 m = 013 n = 014 o = 015 lettering depending on the application and font, there are various lettering possibilities. the following standards can be used for key letterings: order index lettering lighting technology technical data leds 1. maximum ratings part number 0925.9730 0925.9731 0925.9732 light colour red green yellow forward current, dc i f max. [ma] 40 40 40 power dissipation p tot max. [mw] 130 130 130 2. characteristics (typ. at t u = 25 oc) forward voltage at i f =10ma,u f typ. [ma] 2.0 (< 2.6) 2.0 (< 2.6) 2.0 (< 2.6) luminous intensity at i f =10ma,i v typ. [mcd] 11.2 - 28 18 - 45 11.2 - 28 viewing angle f typ. [dergree] 50 50 50 peak wave length l peak typ. [nm] 635 565 586 reverse voltage u r typ. [v] 5 5 5 29 mcs 18, letter heights and fonts 2,83 single characters, univers 65 legends max. 6 characters in line, univers 65 insert label and front foil anthracite, ral 7016 characters and symbols light grey, ral 7035 ssm 27, letter heights and fonts 3,0 7,0 single characters, univers 65 legends max. 6 characters in line, akzident-grotesk condensed bold type front foil anthracite, ral 7016 characters and symbols light grey, ral 7035 new specifcation from 1.7.2011* technical da t a leds 1. maximum ratings led old led new* led old led new* led old led new* i nternal part number 0925.9730 0925.9731 0925.9732 light colour red red green green yellow yellow forward current d c i f max. [ma] 40 30 40 30 40 30 power dissipation p tot max. [mw] 130 100 130 100 130 100 2. characteristics (typ. at t u =25c) forward voltage at i f =10ma, u f typ. [v] 2.0 (<2.6) 2 at 20ma 2.0 (<2.6) 2.4 at 20ma 2.0 (<2.6) 2.4 at 20ma luminous intensity at i f =10ma, i v typ. [mcd] 11.2 - 28 6.3 to 18 - 45 6.3 to 11.2 - 28 6.3 to viewing angle typ. [degree] 50 60 50 60 50 60 peak wave lenght typ. [nm] 635 635 565 565 586 585 reverse voltage u r typ. [v] 5 6 5 6 5 6
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