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Back9V 2xAA cell battery holder, Keystone P/N 2462, https://www.keyelco.com/product-pdf.cfm?p=1027 1xAAA Battery Holder, Keystone, Plastic Case, http://www.keyelco.com/product-pdf.cfm?p=1031 AAA battery cell holder Keystone type 2993 negative battery contact Keystone type 3000 coin cell vertical Panasonic CR-1220/VCN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D140.PDF battery CR-1220 coin cell vertical Panasonic CR-1220/VCN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D140.PDF battery CR-1220 coin cell retainer SMT battery holder Keystone #500, 12mm CR1220 battery holder, Memory Protection Devices P/N BA9VPC, http://www.memoryprotectiondevices.com/datasheets/BA9VPC-datasheet.pdf PP3 Battery Holder BH-331P Battery Type 3xAAA Keystone type 103 battery holder Keystone type 1057 coin cell vertical battery CR-2025 coin cell vertical Panasonic CR-2032/VS1N battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D348.PDF battery CR-2032 coin cell holder 2xAA cell battery holder, http://www.keyelco.com/product-pdf.cfm?p=710 Battery holder for CR1216/1220/1225, https://linxtechnologies.com/wp/wp-content/uploads/bat-hld-012-smt.pdf battery holder Keystone type 3001 coin cell vertical Cherry MX keyswitch 1.50u PCB Cherry MX keyswitch 2.75u plate Cherry MX keyswitch 1.25u Matias/ALPS keyswitch, 1.00u, http://matias.ca/switches/ Matias ALPS keyswitch 2.75u plate Cherry MX keyswitch 1.25u Matias/ALPS keyswitch, 2.25u, PCB mount, black chrome.
- Gap, pads 1-2 bridged with 1 copper strip.
- Https://www.power.com/sites/default/files/product-docs/linkswitch-pl_family_datasheet.pdf 4-lead surface-mounted (SMD) DIP package, row spacing.