LR41 Battery, LR41 Battery Equivalent, LR41 and SR41 Cell Battery [FAQ]

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Published: 20 December 2021 | Last Updated: 20 December 2021

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LR41

LR41

Murata Electronics

ALKALINE MANGANESE BATTERIES

Purchase Guide

ALKALINE MANGANESE BATTERIES

LR41 battery is a small, button/coin cell battery often used in digital thermometers, wristwatches, toys, small LED flashlights, wearable electronics, remote controls, and similar devices. This article is going to introduce detailed information about the LR41 battery.

If you can't find an LR41 , this is how to get a 317, 377 or 376 to work.

How to Digital Thermometer Battery replacement LR41 how to use alternative 317 377 376

What is the LR41 battery?

The LR41 battery is an alkaline button cell battery. The LR41 battery has a standard voltage of 1.5V and a size of 7.9mm in diameter by 3.6mm in height. LR41's have an operating temperature ranging from 0°C- 60°C, while the optimal temperature for an LR41 battery is 20°C.

The LR41 battery can be utilized in many devices such as watches, electronic toys, remote controls, thermometers, and calculators. The most common use for the LR41 batteries is for use as thermometer batteries and thermometer battery replacements.

LR41 battery equivalents are also referred to as SR41, G3, LR4192, LR736, A63, AG3, SR41SW, 325, 384, SR736, SB-A1/D1, 280-18, V384, D384, 247, GP192, GP384, S736E, SR736PW, SR736SW, TR41SW, SR41W, V392,  Seiko  SB-B1, Seiko SB-A1, Citizen 280-13, Citizen 280-18,  and the Timex K. These sizes are possible LR41  battery replacements.


Main Specs of LR41 Battery

lr41 discharge curve.jpg

LR41 Discharge Curve

  • Chemistry: Alkaline

  • Diameter: 7.9mm

  • Height: 3.6mm

  • Voltage: 1.5V

  • Capacity: 25-32 mAh


LR41 Battery Features

  • It has an excellent cost performance. It can achieve this because of the use of manganese dioxide as a cathode material.

  • It has excellent leakage resistance.

  • It has a stable voltage output during high drain pulse discharge, allowing it has a regular discharge and an excellent pulse discharge characteristic.

 


Specifications

Murata Electronics LR41 technical specifications, attributes, parameters and parts with similar specifications to Murata Electronics LR41.
  • Type
    Parameter
  • Factory Lead Time
    12 Weeks
  • Voltage Rated

    RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.

    1.5V
  • Size / Dimension

    In electronic components, the parameter "Size / Dimension" refers to the physical dimensions of the component, such as its length, width, and height. These dimensions are crucial for determining how the component will fit into a circuit or system, as well as for ensuring compatibility with other components and the overall design requirements. The size of a component can also impact its performance characteristics, thermal properties, and overall functionality within a given application. Engineers and designers must carefully consider the size and dimensions of electronic components to ensure proper integration and functionality within their designs.

    0.31Dia x 0.14 H 7.9mmx3.6mm
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    Not Applicable
  • Reach Compliance Code

    Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.

    compliant
  • Termination Style

    "Termination style" in electronic components refers to the method used to connect the component to a circuit board or other electronic devices. It determines how the component's leads or terminals are designed for soldering or mounting onto the circuit board. Common termination styles include through-hole, surface mount, and wire lead terminations.Through-hole components have leads that are inserted through holes in the circuit board and soldered on the other side. Surface mount components have flat terminals that are soldered directly onto the surface of the circuit board. Wire lead terminations involve attaching wires to the component for connection.The choice of termination style depends on factors such as the type of component, the manufacturing process, and the space available on the circuit board. Different termination styles offer various advantages in terms of ease of assembly, reliability, and space efficiency in electronic designs.

    Requires Holder
  • Storage/Refrigeration Temperature

    The parameter "Storage/Refrigeration Temperature" in electronic components refers to the recommended temperature range at which the components should be stored to maintain their integrity and functionality. This parameter indicates the temperature limits within which the components can be safely stored without risking damage or degradation. Storage temperature is crucial for preserving the performance and reliability of electronic components over time, especially for sensitive components such as integrated circuits and semiconductors. Refrigeration temperature may be specified for certain components that require lower temperatures to prevent degradation or prolong shelf life. It is important to adhere to the recommended storage/refrigeration temperature guidelines to ensure the longevity and proper functioning of electronic components.

    50°F~77°F 10°C~25°C
  • Battery Chemistry

    A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta's original pile) electrochemical cells.

    Alkaline Manganese Dioxide
  • Battery Cell Size

    The most common lithium-ion cell is the 18650 (the numbers define the physical dimensions and shape as follows: 18mm in diameter, 65mm long and the 0 means it has a round cross-section) which is due to its widespread use in laptop battery packs.

    Coin 7.9mm
  • Capacity

    In electronic components, "Capacity" typically refers to the maximum amount of electrical charge that a component can store. It is measured in units called farads (F). Capacitors are the most common components that have a capacity rating. The capacity of a capacitor determines how much energy it can store and release when connected in a circuit. Higher capacity capacitors can store more charge and are often used in applications requiring larger energy storage or filtering capabilities. It is important to select a capacitor with the appropriate capacity to ensure proper functioning of the circuit.

    45mAh
  • Battery Type

    Battery type refers to the specific chemistry and design of a battery that determines its characteristics, performance, and applications. Common battery types include alkaline, lithium-ion, nickel-metal hydride, and lead-acid, each with unique properties such as voltage, capacity, energy density, and discharge rates. The choice of battery type affects factors such as longevity, rechargeability, and suitability for various electronic devices and systems. Understanding battery type is crucial for selecting the appropriate power source for specific electronic components and applications.

    PRIMARY
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    Non-RoHS Compliant
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LR41 Battery Equivalent

LR41 batteries can be interchanged with AG3, SR41, 392A, 392, 384, 192, 92A, GP192, G3, V3GA, V36, V36A, LR736, CX42, and SR41SW batteries.

BatteryChemistryNominal and   Cutoff VoltagesCapacityOperating   TemperatureAnnual   Self-Discharge RateDischarge   Current
Duracell 312Zinc Air1.45V, 1.1V185 mAh 1k5Ω down to   1.1V @21°C0°C to +50°C4 years unactivated   @21°C-
Duracell   D384/D392Silver Oxide1.55V, 1.2V45 mAh 22kΩ down to   1.2V @20°C0°C to +60°C<10% @20°C70.6μA @1.55V 22kΩ   @20°C
Energizer 312Zinc Air1.4V, 1.05V181 mAh down to   1.05V, 10/2 mA @21°C---
Energizer   392/384Silver Oxide1.55V, 1.2V44 mAh 22kΩ down to   1.2V @21°C-~2% @20°C68μA @1.50V 22kΩ   @21°C
muRata LR41Alkaline1.5V, 0.9V45 mAh-10°C to +60°C--
Murata SR41Silver Oxide1.55V, 1.2V45 mAh 22kΩ down to   1.2V @23°C-10°C to +60°C-70μA @1.55V 22kΩ   @23°C
Rayovac 312Zinc Air1.45V, 1.05V(test dependent)-10°C to +50°C4 years unactivated   @21°C
Varta SR736WSilver Oxide1.55V, 1.2V40 mAh 13kΩ down to   1.2V @20°C0°C to +60°C--


LR41 Battery Applications

The LR41 battery is a common choice for applications that require a small, reliable battery,  The following are some instances of LR41 applications.

  • Calculator

  • Laser Pen

  • Flashlight

  • Digital Thermometer

  • Security System Panel

  • Wrist Watches

  • Medical Devices and Instruments

  • Memory Backup

  • Battery Pack Application


LR41 and SR41 Cell Battery

SR41 and LR41 batteries are button/coin cell batteries that are commonly found in digital thermometers, wristwatches, toys, small LED flashlights, wearable electronics, remote controls, and other similar products.

These batteries come in a variety of chemistries with similar, but not identical, discharge characteristics, and are frequently labeled differently by their makers, causing some user confusion.

The SR41 and LR41 batteries  have the same physical dimensions (D x H) of 7.9 x 3.6 mm (0.311 x 0.142 inches), with the following shared features:


ChemistryAlkalineSilver-OxideZinc Air
Nominal   Voltage1.5V1.55V1.4 - 1.45V
Cutoff Voltage1.0V1.2V1.1V
NotesVoltage drops over   timeVery constant voltageSlightly lower   voltage, large capacity; mostly used as hearing aid batteries
Typical LabelsLR41, LR736, AG3SR41 , SR736,   SR736PW, SR736SW, SG3, AG3, 192, 384, 392312, ZA312, Brown   Tab, PR41, 7002ZD
Typical   Capacity25-32 (45) mAh38-45 mAh~180 mAh


LR41 Battery Dimensions

lr41 dimensions.jpg

LR41 Battery Dimensions

LR41 Battery Manufacturer

Murata is a global leader in the design, manufacture, and supply of advanced electronic materials, leading-edge electronic components, and multi-functional, high-density modules.  Murata innovations can be found in a wide range of applications from mobile phones to home appliances, and automotive applications to energy management systems and healthcare devices.

Datasheet PDF

Download datasheets and manufacturer documentation for Murata Electronics LR41.
Frequently Asked Questions

Is LR41 same as LR44?

LR41 is also known as AG3 384 392 192 LR736 L736 GP192 and V36A button battery. LR44 is also known as AG13 357 L1154 A76 PX76A 303 D303 and D357 button battery.

What battery can replace LR41?

Direct replacements for LR41 would be 192, 92A, LR736, and AG3. These batteries are exact equivalents for the LR41 battery, the only difference being the name.

Can I use 377 instead of LR41?

A 377 battery is a Silver Oxide type. They will both fit the application, but the Silver Oxide type will last longer.

What are LR41 batteries for?

LR41 batteries are most commonly used in thermometers, as well as other common electronic devices including laser pointers and some watches.

What are LR41 batteries for?

I checked reference guides and found that the lr41 is equivalent to 392, and lr44 is equivalent to the 357 button batteries.
LR41

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