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CR Coin Type
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| Model | Nominal voltage (V) | Nominal capacity (mAh)* | Nominal discharge current (mA) | Dimensions (mm)** | Weight (g)** | Data Sheets | With Terminals | Warnings | |
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| Diameter | Height | ||||||||
| CR2450 | 3 | 610 | 0.2 | 24.5 | 5.0 | 6.6 |  |
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| CR2430 | 290 | 0.2 | 24.5 | 3.0 | 4.6 | |
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| CR2032H | 240 | 0.2 | 20.0 | 3.2 | 3.0 | |
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| CR2032 | 220 | 0.2 | 20.0 | 3.2 | 3.0 | |
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| CR2025 | 170 | 0.2 | 20.0 | 2.5 | 2.5 | |
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| CR2016 | 90 | 0.1 | 20.0 | 1.6 | 1.7 | |
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| CR2012 | 50 | 0.1 | 20.0 | 1.2 | 1.4 | |
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| CR1620 | 80 | 0.1 | 16.0 | 2.0 | 1.3 | |
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| CR1616 | 55 | 0.1 | 16.0 | 1.6 | 1.1 | |
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| CR1220 | 36 | 0.1 | 12.5 | 2.0 | 0.8 | |
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| CR1216 | 25 | 0.1 | 12.5 | 1.6 | 0.6 | |
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| CR1025 | 30 | 0.1 | 10.0 | 2.5 | 0.6 | |
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*Dimensions and weight are for the battery itself, but may vary depending on the shape of terminals or other factors.
**Nominal capacity indicates duration until the voltage drops down to 2.0V when discharged at a nominal discharge current at 20 deg. C.
Data and dimensions are not guaranteed but reference values. For further details, please contact us at your nearest Maxell office.
Contents on this website are subject to change without notice.
Note: The above diagrams are a sample of the various specifications and configurations available. Please contact Maxell for more detailed information.
| Product Safety Data Sheet | |
Down load(44kb) |
OVERVIEW
The coin-type lithium manganese dioxide battery (CR battery) is a small, lightweight battery with an operating voltage of 3V and the ability to operate over a wide temperature range. It has a wide range of applications, both for powering devices such as wristwatches and electronic calculators and can be used in all types of electronic devices mainly as memory and RTC backup.
CONSTRUCTION
PRINCIPLE AND REACTIONS
The coin-type lithium manganese dioxide battery uses manganese dioxide (MnO2) as its positive active material, lithium (Li) as its negative active material, and an organic electrolyte. |
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Battery Reactions
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FEATURES
| • | High 3 volt energy density |
| High energy density. At 3 volts (nominal voltage), it has about twice the voltage of alkaline button batteries and silver oxide batteries. | |
| • | Stable discharge characteristics through low internal resistance and high operating voltage |
| Employs highly conductive electrolyte, lowering internal resistance and providing stable operating voltage. This allows stable power to be obtained, with little change in operating voltage at room temperature as well as high and low temperatures. Can be used in temperatures from -20 deg. C to +85 deg. C.* | |
| *When using these batteries at extremely low or high temperatures, please consult Maxell in advance for conditions of use. | |
| • | Superior leakage resistance and excellent storage characteristics |
| Employs a leak-resistant organic electrolyte, giving it better leakage resistance than battery types using alkaline electrolytes. Furthermore, the high degree of seal of the seal structure and application of sealant keep self-discharge to about 1% per year. | |
| • | Superior high rate discarge characteristics |
| • | Optimum for Memory and RTC Backup |
| Displays long-term stable operating voltage at low load discharge. |
APPLICATION
Timepieces / calculators / cameras / medical instruments / office equipment / backup power for memory ICs and RTC / home electronic instruments / automobiles (keyless entry) / PC boards
UL RECOGNIZED COMPONENTS
The coin-type lithium manganese dioxide battery is a UL (Underwriters Laboratories Inc.) recognized component, and user replaceable.
Recognized models:
CR2450, CR2430, CR2032, CR2025, CR2016, CR2012, CR1620, CR1616, CR1220, CR1216, CR1025 Certification Number: MH12568
RELATIONSHIP BETWEEN DISCHARGE CURRENT CONSUMPTION AND DURATION TIME
DISCHARGE CHARACTERISTICS AFTER STORAGE
HIGH RATE DISCHARGE CHARACTERISTICS
Data and dimensions are not guaranteed but reference values. For further details, please contact us at your nearest Maxell office.
Contents on this website are subject to change without notice.
