TA/TR Series Miniature sized class F relays

Key Features

  • Miniature size (width 5mm, height 12.5mm) high density and easy to install
  • Extended switching capability (1mA 5VDC to 5A 250VAC, 30VDC)
  • Twin Cross Bar Contact Mechanism for enhanced contact reliability
  • High sensitive operation: 120mW ~ 180mW (5 to 24VDC)
  • Gold Clad Silver Alloy Contact to secure micro current conductivity
  • SIL terminal layout
  • Wider terminal structure (TA : 5.08mm/TR : 7.62mm)
  • Gold plated Socket terminal (24k gold plated)
  • Class F 155°C
① Distance between terminals
A 5.08mm
R 7.62mm
② Voltage
5 5VDC
12 12VDC
24 24VDC
Contact specifications
Configuration 2PL 4PL
DPDT (2NO + 2NC) 4PDT (4NO + 4NC)
Material Silver alloy (24K gold plate)
Rate current 5A 3A
Rated max. resistive load 5A at 24VDC/240VAC 3A at 24VDC/240 VAC
Max switching voltage 125VDC/250VAC
Min. switching requirement 100mA 5VDC
Coil specifications
Voltage range 12VDC to 110VDC,12VAC to 240VAC
Power consumption AC: 0.9VA approx., DC: 0.9W approx.
Minimum operating voltage 80% of rated coil voltage
Max. Dropout voltage DC Coil: 10% of rated voltage
AC Coil: 30% of rated voltage
General information
Operating Time 20ms
Dropout time 20ms
Isulation resistance 100mΩ min. (500VDC)
Dielectric strength Between contacts: 1,000Vrms 1 min.
Between contact & coil: 1,500Vrms 1 min.
Mechnical life 1,000,000 operations
Electrical life 100,000 operations
Vibration resistanceFunctional 10~55Hz at double amplitude of 1.5mm
Ambient temperature -25°C ~ +55°C (-13°F ~ +131°F) at non freezing
Ambient humidity 35~85% RH
Weight Approx. 33g (1.2oz)
Part number KMY2(Rail), KY08-02(PCB) KMY4(Rail), KY14-02(PCB)
Terminal tightened torque 0.5N • m (5.10kgf • cm)
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