CR1220 Coin Cell Battery (Button Cell), IEC 60086

A CR1220 coin cell battery (IEC 60086) is 12.2 to 12.5 mm in diameter and 1.8 to 2 mm thick. Modeled as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: CR1220 battery
• Model id: iec60086-cr1220
• Standard: IEC 60086 · size CR1220

Files

Part key	Simplified
iec60086-cr1220	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Diameter	12.2		12.5	12.35	midpoint of min–max	L1
h	Overall height	1.8		2	1.9	midpoint of min–max	L1
d_cap	Negative cap (shoulder) diameter	10			10	single limit (min), modeled at the limit	L0 (min: one source)
h_cap	Negative cap (shoulder) height	0.3			0.3	single limit (min), modeled at the limit	L0 (min: one source)
d_flat	Negative face flat diameter	4			4	single limit (min), modeled at the limit	L0 (min: one source)

Drawing

As a PDF: CC-IEC60086-COIN-SZ-CR1220.pdf.

From the maker's datasheet

As written on the ENERGIZER CR1220 datasheet (energizer-cr1220), the maker's typical values for one product, not the standard's limits.

• Classification: "Lithium Coin"
• Chemical System: Lithium / Manganese Dioxide (Li/MnO2)
• Designation: ANSI-5012LC, IEC-CR1220
• Nominal Voltage: 3.0 Volts
• Typical Capacity: 37 mAh (to 2.0 volts)
• Typical Weight: 0.8 grams (0.03 oz.)

The CR1220 coin cell battery beside the CR1616

The CR1220 is the first of the 9 IEC 60086 coin cell batterys published here, listed from CR1220 to SR44.

• Diameter (d): 12.2 to 12.5 mm on the CR1220 coin cell battery, against 15.7 to 16 mm on the CR1616.
• Overall height (h): 1.8 to 2 mm on the CR1220 coin cell battery, against 1.4 to 1.6 mm on the CR1616.
• Negative cap (shoulder) diameter (d_cap): at least 10 mm on the CR1220 coin cell battery, against at least 12 mm on the CR1616.
• Negative cap (shoulder) height (h_cap): at least 0.3 mm on the CR1220 coin cell battery, against at least 0.2 mm on the CR1616.
• Negative face flat diameter (d_flat): at least 4 mm on the CR1220 coin cell battery, against at least 5 mm on the CR1616.

Other sizes

• One size larger: CR1616 Coin Cell Battery (Button Cell), IEC 60086, 15.7 to 16 mm diameter, 1.4 to 1.6 mm thick.

Documents

• CC-IEC60086-COIN-DS-CR1220.pdf: CR1220 datasheet: values with levels, sources
• CC-IEC60086-COIN-SZ-CR1220.pdf: CR1220 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

energizer-cr1220, varta-6220. Full citations: the method page and this size's datasheet.

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