. CC-BATTHOLDER-DS-keystone-500 rev A 0 CommunityCAD Size datasheet - Keystone 500
CR1220 Battery Holder (Coin Cell Holder), Keystone 500
Size datasheet: the Keystone 500 coin cell holder's values from its maker's drawing, with their levels, conventions and sources. Walls, floors, bays, finger windows, the contact housing and the nickel contacts are illustrative (house rules, ADR 0090); the outline, pocket, legs and terminals are the maker's drawing.
Maker part Keystone 500
Cell CR1220
Outline 19.1 long, 15.1, 7.1 high (mm)
Terminals none on the drawing (the
contact posts only)
Part key battery -holders-keystone- 500 Files 1 STEP AP214 (simplified)
Keystone 500, from above, 1.5:1 Keystone 500, side view, 2:1
Dimension Overall length h Overall height 7.1 od Body diameter 15.1 di Cell pocket diameter 12.6 d2 Locating leg diameter 1.57
d3 Locating leg circle 9.5250
Modeled value: the maker's nominal. L2: the maker's own drawing (ADR 0089). * amber: one source (LO). c: a source value was corrected. Level - independent sources. Only the dimensions this part's drawing gives are listed.
No published standard (each maker's drawing) Page 1/2 Battery holder - Keystone 500 - Dimensions in mm - CC-BY 4.0, IronPixel Labs LLC spec ec102202cfd5583116e22079ef 262796b321054a
Modeled from cited sources; not certified. Found an error? Use the feedback section on the part page.
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CC-BATTHOLDER-DS-keystone-500 rev A Size datasheet - Keystone 500
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Conventions
¢ Body: Matte black. Walls 1.0 mm where the drawing gives no pocket, floors 1.0 mm, tray end walls 1.5 mm, a 1.0 mm rib between bays. Finger windows: the top half of the side walls over the middle third of the length.
« Coin contacts: Positive: a 0.3 mm nickel strip a quarter of the pocket wide from the housing to the pocket's centre, resting on the seated cell's positive face (owner #1038 B), on a post down to its pin or tab. Negative: a 0.3 mm disc half the pocket across on the floor.
¢ Tray contacts: Negative: a coil of five 0.5 mm rings 1.0 mm apart on a base plate. Positive: a 0.3 mm plate with a centre dimple. Cells wired in series; the terminals as the maker's drawing places them.
¢ Terminals: Pins 0.8 x 0.5 mm, 3.0 mm long where the drawing gives no section or length; SMT tabs 0.3 mm on the board, a quarter of the pocket wide where no w2.
e Mark: The CommunityCAD mark recessed 0.3 mm into the underside at the centre, a quarter of the smaller plan side.
« Values: Every dimension is the maker's own drawing of that part (L2, one lineage, ADR 0089), at its nominal.
Sources Source Publisher Retrieved sha256 keystone-m65 Keystone Electronics Corp. 2026-10-28 6d302346bb75 (kept outside the repo)
The whole series (verification map, corrections, drawings): CC- BATTHOLDER-DS.
No published standard (each maker's drawing) Page 2/2 Battery holder - Keystone 500 - Dimensions in mm - CC-BY 4.0, IronPixel Labs LLC spec ec102202cfd5583116e22079ef 262796b321054a
Modeled from cited sources; not certified. Found an error? Use the feedback section on the part page.