www.Datasheet-PDF.com

0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  


B - 79 Datasheets PDF Index

Manufacture Part Number PDF Description
Rohm
Rohm
BD48E54 BD48E54 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E55 BD48E55 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E56 BD48E56 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E57 BD48E57 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E58 BD48E58 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E59 BD48E59 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48E60 BD48E60 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K23 BD48K23 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K24 BD48K24 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K25 BD48K25 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K26 BD48K26 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K27 BD48K27 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K28 BD48K28 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K29 BD48K29 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K30 BD48K30 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K31 BD48K31 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K32 BD48K32 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K33 BD48K33 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K34 BD48K34 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K35 BD48K35 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K36 BD48K36 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K37 BD48K37 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K38 BD48K38 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K39 BD48K39 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K40 BD48K40 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K41 BD48K41 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K42 BD48K42 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K43 BD48K43 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K44 BD48K44 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K45 BD48K45 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K46 BD48K46 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K47 BD48K47 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K48 BD48K48 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K49 BD48K49 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K50 BD48K50 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K51 BD48K51 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K52 BD48K52 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K53 BD48K53 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K54 BD48K54 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K55 BD48K55 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K56 BD48K56 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K57 BD48K57 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K58 BD48K58 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K59 BD48K59 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48K60 BD48K60 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L23 BD48L23 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L24 BD48L24 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L25 BD48L25 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L26 BD48L26 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L27 BD48L27 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L28 BD48L28 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L29 BD48L29 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L30 BD48L30 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L31 BD48L31 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L32 BD48L32 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L33 BD48L33 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L34 BD48L34 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L35 BD48L35 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L36 BD48L36 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L37 BD48L37 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L38 BD48L38 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L39 BD48L39 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L40 BD48L40 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L41 BD48L41 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L42 BD48L42 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L43 BD48L43 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L44 BD48L44 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L45 BD48L45 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L46 BD48L46 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L47 BD48L47 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L48 BD48L48 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L49 BD48L49 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L50 BD48L50 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L51 BD48L51 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L52 BD48L52 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L53 BD48L53 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L54 BD48L54 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L55 BD48L55 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L56 BD48L56 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L57 BD48L57 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L58 BD48L58 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L59 BD48L59 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD48L60 BD48L60 pdf Datasheet Voltage Detector IC Series Standard CMO
Rohm
Rohm
BD49101AEFS-M BD49101AEFS-M pdf Datasheet Multi-Channel Power Supply LSI Series f
Rohm
Rohm
BD4911FM BD4911FM pdf TECHNICAL NOTE System Power Supply LSIs for use i
Rohm
Rohm
BD4912 BD4912 pdf TECHNICAL NOTE System Power S
Rohm
Rohm
BD4912-V4 BD4912-V4 pdf Appendix Notes No technical
Rohm
Rohm
BD4923 BD4923 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4923FVE BD4923FVE pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4923FVE BD4923FVE pdf Appendix Notes No technical
ETC
ETC
BD4923G BD4923G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4924 BD4924 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4924FVE BD4924FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4924G BD4924G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4925 BD4925 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4925FVE BD4925FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4925G BD4925G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4926 BD4926 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4926FVE BD4926FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4926G BD4926G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4927 BD4927 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4927FVE BD4927FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4927G BD4927G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4928 BD4928 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4928FVE BD4928FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4928G BD4928G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4929 BD4929 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4929FVE BD4929FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4929G BD4929G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD492xFVE BD492xFVE pdf Appendix Notes No technical
Rohm
Rohm
BD492XG BD492XG pdf Appendix Notes No technical
Rohm
Rohm
BD4930 BD4930 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4930FVE BD4930FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4930G BD4930G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4931 BD4931 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4931FVE BD4931FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4931G BD4931G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4932 BD4932 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4932FVE BD4932FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4932G BD4932G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4933 BD4933 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4933FVE BD4933FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4933G BD4933G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4934 BD4934 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4934FVE BD4934FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4934G BD4934G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4935 BD4935 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4935FVE BD4935FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4935G BD4935G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4936 BD4936 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4936FVE BD4936FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4936G BD4936G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4937 BD4937 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4937FVE BD4937FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4937G BD4937G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4938 BD4938 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4938FVE BD4938FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4938G BD4938G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4939 BD4939 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4939FVE BD4939FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4939G BD4939G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD493xFVE BD493xFVE pdf Appendix Notes No technical
Rohm
Rohm
BD493XG BD493XG pdf Appendix Notes No technical
Rohm
Rohm
BD4940 BD4940 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4940FVE BD4940FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4940G BD4940G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4941 BD4941 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4941FVE BD4941FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4941G BD4941G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4942 BD4942 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4942FVE BD4942FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4942G BD4942G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4943 BD4943 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4943FVE BD4943FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4943G BD4943G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4944 BD4944 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4944FVE BD4944FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4944G BD4944G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4945 BD4945 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4945FVE BD4945FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4945G BD4945G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4946 BD4946 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4946FVE BD4946FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4946G BD4946G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4947 BD4947 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4947FVE BD4947FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4947G BD4947G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4948 BD4948 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4948FVE BD4948FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4948G BD4948G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4949 BD4949 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4949FVE BD4949FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4949G BD4949G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD494xFVE BD494xFVE pdf Appendix Notes No technical
Rohm
Rohm
BD494XG BD494XG pdf Appendix Notes No technical
Rohm
Rohm
BD4950 BD4950 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4950FVE BD4950FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4950G BD4950G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4951 BD4951 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4951FVE BD4951FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4951G BD4951G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4952 BD4952 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4952FVE BD4952FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4952G BD4952G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4953 BD4953 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4953FVE BD4953FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4953G BD4953G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4954 BD4954 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4954FVE BD4954FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4954G BD4954G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4955 BD4955 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4955FVE BD4955FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4955G BD4955G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4956 BD4956 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4956FVE BD4956FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4956G BD4956G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4957 BD4957 pdf Datasheet Voltage Detector IC Series Standard CMO
ETC
ETC
BD4957FVE BD4957FVE pdf High-accuracy detection voltage Low current consum
ETC
ETC
BD4957G BD4957G pdf High-accuracy detection voltage Low current consum
Rohm
Rohm
BD4958 BD4958 pdf Datasheet Voltage Detector IC Series Standard CMO

[1]  [2]  [3]  [4]  [5]  [6]  [7]  [8]  [9]  [10]  [11]  [12]  [13]  [14]  [15]  [16]  [17]  [18]  [19]  [20]  [21]  [22]  [23]  [24]  [25]  [26]  [27]  [28]  [29]  [30]  [31]  [32]  [33]  [34]  [35]  [36]  [37]  [38]  [39]  [40]  [41]  [42]  [43]  [44]  [45]  [46]  [47]  [48]  [49]  [50]  [51]  [52]  [53]  [54]  [55]  [56]  [57]  [58]  [59]  [60]  [61]  [62]  [63]  [64]  [65]  [66]  [67]  [68]  [69]  [70]  [71]  [72]  [73]  [74]  [75]  [76]  [77]  [78]  [79]  [80]  [81]  [82]  [83]  [84]  [85]  [86]  [87]  [88]  [89]  [90]  [91]  [92]  [93]  [94]  [95]  [96]  [97]  [98]  [99]  [100]  [101]  [102]  [103]  [104]  [105]  [106]  [107]  [108]  [109]  [110]  [111]  [112]  [113]  [114]  [115]  [116]  [117]  [118]  [119]  [120]  [121]  [122]  [123]  [124]  [125]  [126]  [127]  [128]  [129]  [130]  [131]  [132]  [133]  [134]  [135]  [136]  [137]  [138]  [139]  [140]  [141]  [142]  [143]  [144]  [145]  [146]  [147]  [148]  [149]  [150]  [151]  [152]  [153]  [154]  [155]  [156]  [157]  [158]  [159]  [160]  [161]  [162]  [163]  [164]  [165]  [166]  [167]  [168]  [169]  [170]  [171]  [172]  [173]  [174]  [175]  [176]  [177]  [178]  [179]  [180]  [181]  [182]  [183]  [184]  [185]  [186]  [187]  [188]  [189]  [190]  [191]  [192]  [193]  [194]  [195]  [196]  [197]  [198]  [199]  [200]  [201]  [202]  [203]  [204]  [205]  [206]  [207]  [208]  [209]  [210]  [211]  [212]  [213]  [214]  [215]  [216]  [217]  [218]  [219]  [220]  [221]  [222]  [223]  [224]  [225]  [226]  [227]  [228]  [229]  [230]  [231]  [232]  [233]  [234]  [235]  [236]  [237]  [238]  [239]  [240]  [241]  [242]  [243]  [244]  [245]  [246]  [247]  [248]  [249]  [250]  [251]  [252]  [253]  [254]  [255]  [256]  [257]  [258]  [259]  [260]  [261]  [262]  [263]  [264]  [265]  [266]  [267]  [268]  [269]  [270]  [271]  [272]  [273]  [274]  [275]  



Index :   0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

This is a individually operated, non profit site. If this site is good enough to show, please introduce this site to others.
Since 2010   ::   HOME   ::   Privacy Policy + Contact