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Murata adds to lineup of lead type multilayer ceramic capacitors for automotive use at 175°C/200°C
 
Murata adds to lineup of lead type multilayer ceramic capacitors for automotive use at 175°C/200°C Murata Manufacturing Co., Ltd. has expanded the RHS Series of lead type multilayer ceramic capacitors for automotive use in high temperature applications. Products newly introduced at this time include a 100Vdc rated product for 200°C use, which expands the previous lineup of 200Vdc500Vdc products,a 100Vdc rated product for 175°C use with high capacitance.

Overview

Murata Manufacturing Co., Ltd. has expanded the RHS Series of lead type multilayer ceramic capacitors for automotive use in high temperature applications. Products newly introduced at this time include a 100Vdc rated product for 200°C use, which expands the previous lineup of 200Vdc500Vdc products,a 100Vdc rated product for 175°C use with high capacitance. These products are primarily meant for use in equipment located in severe temperature environments such as the engine compartment of an automobile. The 100Vdc rated product for 200°C will begin mass production at Iwami Murata Manufacturing Co., Ltd. in January 2018,the 100Vdc rated product for 175°C will begin in February 2018. Samples are available for ¥200. 

 

Background

A power train control system uses a DC motor drive to increase control in order to improve the fuel economy of an automobile. A capacitor is used to suppress the electrical noise generated by this DC motor. The automobile control equipment is mounted in an extreme environment, temperatures can approach 200°C for short periods of time. A high degree of durability is needed for a capacitor that is implemented in this environment. This series from Murata applies a coating of newly developed heat resistant resin around a highly heat resistant multilayer ceramic capacitor, allowing use at a 200°C maximum temperature. The previous products with rated voltage of 200Vdc500Vdc had capacitance of 0.01μF, but the newly added 100Vdc product for 175°C200°C offers a smaller sizeexpands capacitance up to 0.1µF. The company expects to expand sales of products for equipment mounted in high temperature environments such as engine compartments.

 

Features

  • Lead wire type capacitor can be connected by welding“crimping1” close to a noise generating source.
  • Complies with AEC-Q2002
  • Passes the extreme surge test of the ISO7637-23 standard.


 

Detailed specification

Operating temperature range -55 to 175°C -55 to 200°C
Rated Voltage
100Vdc
(Rated voltage at 175°C is reduced to 50)
100Vdc
(temperature characteristics code: 7G)
200Vdc、500Vdc

 (temperature characteristics code: 7J)

(Rated voltage at 200°C is reduced to 25)
Capacitancetemperature characteristics
Or
Temperature Coefficient
(ppm/°C)
Temperature characteristics code:L1
-55 to 175°C:+15/-40
 
Temperature characteristics code:N1
-55 to 175°C:+15/-60 
Temperature characteristics code:7G
-55 to 25°C  :0 +30/-72ppm/°C
25 to 125°C  :0 +/-30ppm/°C
125 to 200°C:0 +72/-30ppm/°C
 
Temperature characteristics code:7J
-55 to 25°C  :-750 +120/-347ppm/°C
25 to 125°C  :-750 +/-120ppm/°C
125 to 200°C:-750 +347/-120ppm/°C
Capacitance range
 
Temperature characteristics code:L1
4700pF to 0.1μF

Temperature characteristics code:N1
4700pF to 0.22μF
 
 
Temperature characteristics code:7G
100pF to 3300pF

Temperature characteristics code:7J
100pF to 0.01μF
 
Dimensions
(L×W) 
Size0:3.8×3.5mm max
Size1:4.0×3.5mm max
Size2:5.5×4.0mm max


 

External dimensionslead wire pitch

 L×W: Determined by the combination of rated voltageelectrostatic capacity. 
 F(lead wire pitch): For 100Vdc200Vdc rated products, this can be selected from either 2.5mm5.0mm.
For 500Vdc products, this is 5.0mm.

 

 
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