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Maxell CR Series Heat Resistance Coin Lithium Manganese Dioxide Battery

Maxell CR Series Heat Resistance Coin Lithium Manganese Dioxide Battery

Maxell CR Series Heat Resistance Coin Lithium Manganese Dioxide Battery 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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Maxell CR Series Heat Resistance Coin Lithium Manganese Dioxide Battery original sealing technology and highly heat-resistant material expand the operating temperature range remarkably, making the batteries supremely suitable for automobile applications — for powering TPMS (Tire Pressure Monitoring System) sensors, for example.

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.

Safety Instructions

This battery contains lithium, organic solvents, and other combustible materials. For this reason, improper handling of the battery could lead to
distortion, leakage*, overheating, explosion, or fire, causing bodily injury or equipment trouble. Please observe the following instructions to
prevent accidents.

Battery Reactions
Positive reaction : MnO2+Li++e- → MnOOLi
Negative reaction : Li → Li++e-
Total reaction : MnO2+Li → MnOOLi

Features

  • Wide operating temperature range: -40 deg. C to +125 deg. C
  • CR2450HR-Ex batteries can even be used at temperatures up to 150 deg. C, depending on other conditions*.
  • Superior leak-resistant characteristics even under high temperature and acceleration.
  • Can be used even under 2000G, which is equivalent to driving at 300km/h.
  • Electric characteristics are maintained after long periods of exposure to high temperature and humidity.

Notes : When using at temperatures exceeding 85 deg. C, please consult us in advance for conditions of use.

Applications

  • TPMS (Tire-Pressure Monitoring System)
  • ETC (Electronic Toll Collection systems)
  • Keyless entry systems
  • Seat location sensors
  • Communication tags, Beacons
  • Temperature data loggers (HACCP temperature loggers)
  • Logistics tags
  • FA instruments (Measuring instruments, Onboard microcomputers, Sensors)
  • IoT sensors

Specifications

Model Nominal
Voltage (V)		 Nominal
Capacity
(mAh)*1		 Nominal
Discharge
Current (mA)		 Operating Temperature Range
(deg. C)*2		 Acceleration Resistance Dimensions*3 Weight
(g)*3
Diameter (mm) Height (mm)
CR2450
HR		 3 550 0.2 -40 to+125 Max. 2000G
*4		 24.5 5.0 6.8
CR2450
HR-Ex		 525 -40 to+125
（max.150）
CR2050
HR		 350 -40 to+125 20.0 5.0 4.1
CR2032
HR		 200 3.2 3.0
  1. Nominal capacity indicates duration until the voltage drops down to 2.0V when discharged at a nominal discharge current at 20 deg. C.
  2. When using these batteries at temperatures exceeding 85 deg. C, please consult Maxell in advance for conditions of use.
  3. Dimensions and weight are for the battery itself, but may vary depending on terminal specifications and other factors.
  4. Equivalent to acceleration when driving at 300km/h, when attached to a 17-inch wheel

Downloads

Datasheet: Maxell CR Series Heat Resistance Coin Lithium Manganese Dioxide Battery

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