Double Ridge Waveguide Flanges

SMC offers a full line of standard Double Ridge Flanges machined out of Aluminum or Brass. These flanges are available in either cover or gasket. The hole pattern is as described in the table below.
 
 

MODEL 
CODE		 FREQUENCY BAND 
(GHz)		 WAVEGUIDE 
SIZE
SMC200
2.0 - 4.8
WRD-200D24
SMC350
3.5 - 8.2
WRD-350D24
SMC475
4.75 - 11.0 
WRD-475D24
SMCDR19
4.75 - 11.0
DR19
SMC580
5.8 - 16.0
WRD-580D28
SMC750
7.5 - 18.0
WRD-750D24
SMC110
11.0 - 26.5
WRD-110C24
SMC180
18.0 - 40.0
WRD-180C24
SMC650
6.50 - 18.0
WRD650D28
SMC500
5.00 - 18.0
WRD500D36
 
 
 
FLANGE 
TYPE                                      CODE		 MOUNTING 
HOLES                                  CODE		 MATERIAL CODE 
 
 COVER                                            C 
 GASKET                                          G		  ALT TAP&CLEAR                           1 
 ALL TAPPED                                   2 
 ALL CLEARANCE                          3 
 CAPTIVE SCREW                           4		  ALUMINUM                                   A 
 BRASS                                             B