Combo Rectangular Lids

Combo lids™ are Kovar or Alloy 42 base material with multilayer gold and nickel plating per MIL-M-38510. The Preform is 80/20 Gold/Tin alloy with a standard thickness of .0021″. The lid thickness is .010”-.015”. For the best seal, the Lid OD should be .025″ less than the package seal ring OD and the Lid ID should be .045″ larger than the package seal ring ID, provided a minimum solder width of .025″ is maintained.

Advantages of Combo Lids

  • Perfect Alignment of Lid and Preform
  • Provide Best Hermetic Seal Performance
  • Only One Part to Handle
  • Corrosion Resistance
  • Moisture Resistance
  • Marking Permanency

Unit: Inches

Part NoSeal Ring ODSeal Ring IDQuantity
HRC-2004.140 x .190.100 x .150
HRC-360.235 x .330.185 x .275
W2224H.235 x .330.185 x .275
HRC-2617.235 x .370.195 x .330
HRC-1907.240 x .370.200 x .330
HRC-502.250 x .315.215 x .280
C-192.250 x .375.210 x .335
W1589.250 x .380.203 x .330
HRC-580.260 x .290.200 x .230
HRC-421.260 x .325.215 x .280
C-2216.260 x .325.220 x .285
HRC-386.260 x .383.209 x .332
C-694.260 x .400.215 x .355
C-458.260 x .720.210 x .660
HRC-2191.265 x .370.230 x .330
W404H.265 x .375.225 x .335
C-341.265 x .405.215 x .355
C-233.265 x .430.210 x .315
HRC-672.270 x .450.230 x .390
W424.270 x .450.210 x .365
C-431.270 x .450.210 x .365
HRC-490.275 x .500.220 x .430
W436H.270 x .560.225 x .440
HRC-974.270 x .565.230 x .480
HRC-2370.275 x .475.235 x .385
HRC-459.275 x .540.230 x .480
W551.275 x .570.220 x .485
C-608.280 x .460.230 x .390
C-441.280 x .545.225 x .460
C-854.295 x .620.220 x .530
C-996.325 x .395.275 x .345
HRC-410.355 x .480.300 x .425
HRC-400.375 x .470.310 x .406
HRC-2007.430 x .530.360 x .460
HRC-2613.480 x .550.410 x .480
C-422.515 x .540.445 x .475
HRC-877.515 x .645.450 x .580
HRC-2242.575 x .880.515 x .820