Production Alloy system Chemical composition Features Example of use

CMR (PDF)

Cu-Mn-Ni Cu-11.5Mn-2.7Ni Low temperature coefficient of resistance (TCR) and low thermal electromotive force (EMF).
  • Shunt resistor
  • Chip resistor

HRR (PDF)

Cu-Mn-Sn Cu-6.8Mn-2.3Sn Low temperature coefficient of resistance (TCR) and low thermal electromotive force (EMF).
  • Shunt resistor
  • Chip resistor

Resistance alloys (PDF)

Cu-Ni,
Cu-Si,
Cu-Sn, Other
Cu-1~22Ni,
Cu-1.5~3.6Si,
Cu-0.03~1.5Sn, Other
Stable resistance value and many lineups.
  • Seat heater
  • Snow melting heater
  • Resistor
OFC
(JIS C1011)
Oxygen free copper for electron devices 99.99Cu The first to obtained JIS Third-party Certificate in Japan.
  • Vacuum parts
OFC
(JIS C1020)
Oxygen free copper 99.96Cu The highest level in purity.
  • Heat sink
  • Shielding strip
TPC
(JIS C1100)
Tough pitch copper 99.90Cu The highest level in purity.
  • Electronic parts
  • Automotive parts
Brass Brass Cu-Zn Production range is 5-40wt% Zn in Copper. 
  • Connector pin
  • Terminal
CCwire
(C18200)
Cu-Cr Cu-1.0Cr High strength, high conductivity and excellent heat resistance.
  • Wiring for devices
CZC61wire
(C18150)
Cu-Zr-Cr Cu-0.6Cr-0.1Zr High strength, high conductivity and excellent heat resistance.
  • Wiring for devices
FMZwire Cu-Mg-Zn Cu-0.2Zn-0.15Mg High strength, high conductivity and good bendability.
  • Heater (Resistance) wire
  • Wiring devices
EFTEC-194W
(C19400)
Cu-Fe Cu-2.4Fe-0.13Zn-0.04P High strength, high conductivity and excellent heat resistance.
  • Lead pin for PGA
  • Terminal for mechanical relay
EFTEC-98W Corson copper Cu-3.75Ni-0.9Si-0.5Zn-0.15Sn-0.1Mg Good strength, high conductivity and excellent stress relaxation property.
  • Coaxial connector
  • Spring