USA: 1-408-238-0200
Send Email

Combo Square Lids

Combo Lids
Unit: Inches

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.

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

Please click here to start the RFQ process, then select the products that you are interested in.

PART NO OD ID RFQ QTY
W111 .115 x .115 .077 x .077
HRC-466 .160 x .160 .130 x .130
HRC-709 .220 x .220 .185 x .185
HRC-777 .240 x .240 .200 x .200
HRC-198 .250 x .250 .210 x .210
HRC-239 .300 x .300 .250 x .250
C-645 .325 x .325 .290 x .290
HRC-2612 .335 x .335 .290 x .290
HRC-385 .350 x .350 .290 x .290
HRC-434 .355 x .355 .290 x .290
HRC-440 .365 x .365 .320 x .320
C-345 .375 x .375 .350 x .350
W711 .385 x .385 .350 x .350
W441A .430 x .430 .380 x .380
W760 .440 x .440 .380 x .380
W1048 .440 x .440 .400 x .400
C-344 .450 x .450 .375 x .375
HRC-633 .465 x .465 .400 x .400
C-105 .472 x .472 .388 x .388
C-756 .475 x .475 .420 x .420
HRC-2082 .480 x .480 .425 x .425
W1273H .493 x .493 .423 x .423
W421H .493 x .493 .423 x .423
HRC-372 .493 x .493 .423 x .423
HRC-2578 .500 x .500 .430 x .430
HRC-266 .505 x .505 .425 x .425
HRC-797 .515 x .515 .445 x .445
C-741 .532 x .532 .476 x .476
HRC-764 .540 x .540 .460 x .460
HRC-521 .550 x .550 .470 x .470
HRC-493 .550 x .550 .495 x .495
HRC-624 .570 x .570 .490 x .490
W601 .590 x .590 .520 x .520
HRC-384 .605 x .605 .535 x .535
HRC-2213 .615 x .615 .565 x .565
HRC-539 .650 x .650 .550 x .550
HRC-793 .655 x .655 .565 x .565
HRC-757 .670 x .670 .585 x .585
HRC-941 .699 x .699 .610 x .610
C-856 .710 x .710 .650 x .650
C-973 .720 x .720 .630 x .630
HRC-783 .730 x .730 .650 x .650
HRC-2132 .750 x .750 .650 x .650
HRC-1901 .750 x .750 .650 x .650
HRC-909 .770 x .770 .690 x .690
W843 .780 x .780 .680 x .680
HRC-2438 .790 x .790 .740 x .740
C-2269 .830 x .830 .740 x .740
W1196 .870 x .870 .790 x .790
HRC-2206 .880 x .880 .800 x .800
HRC-2979 .898 x .898 .818 x .818
C-2037 .920 x .920 .840 x .840

Not finding what you want? Please contact us as our published and non-published list of materials is dynamic and changes daily.