PMR18 Series PMR18 series chip resistors utilize metallic substra

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PMR18 Series PMR18 series chip resistors utilize metallic substra

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Ultra-low Ohmic Chip Resistors Current Detection
PMR18 Series
PMR18 series chip resistors utilize metallic substrate featuring superior electrical characteristics, enabling ultra-low resistance values 10m). This makes them ideal battery charge detection portable devices, power supply control HDDs notebook PCs, current control blocks requiring compactness, sets using overcurrent protection circuitry.
Dimensions (Unit:
Features
Metallic resistive element (developed using original manufacturing processes) utilized superior electrical characteristics 0.75W rated power 3216(1206) size resistance temperature coefficient (TCR) 150ppm/°C with ultra-low resistance values 10m) Lead-free
size will vary depending resistance value
Applications
Notebook PCs, HDDs, mobile phones, compact battery powered devices, DC/DC converters, general purpose power supplies.
Rated Values Electrical Characteristics
Parameter
Rated Power
Rated Power
Conditions
Power derated according below chart ambient temperatures greater 70°C than 70°C
Specifications 0.75W (3/4W) 70°C
Ambient Temperature (°C) Fig.1
Rated Voltage Rated Current
follows: rated voltage current calculated
Rated Voltage (V)(V) Rated Current Rated Power Nominal Resistance
Nominal Resistance Resistance Tolerance
Temperature Coefficient Resistance Operating Temperature Range
±1%(F)±5%(J)(J Class) Class), +25/-55/+25/+125°C (JIS 5201-1 4.8) ±150ppm/°C
-55°C +155°C °C~+155°C
specifications product described this document reference only. Upon actual use, therefore, please request that specifications separately delivered. application circuit examples, information, various data pertaining products presented this documentation provided reference purposes only. Please note that ROHM cannot bear responsibility regarding problems relating industrial property rights resulting from their thereof.
products listed this catalog designed used with ordinary electronic equipment devices (such audio visual equipment, office-automation equipment, communications devices, electrical appliances electronic toys). Should intend these products with equipment devices which require extremely high level reliability malfunction which would directly endanger human life (such medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers other safety devices), please sure consult with sales representative advance.
Current specifications effect 1st. November 2007.
Excellence Electronics
Contact further information about products.
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Catalog No.50G5851E 11.2007 ROHM

PMR18 Series PMR18 series chip resistors utilize metallic substra

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