Micro Rectangular Connectors | J63A (FYQB 0001-2015)

J63A Series 0.635 mm Micro Rectangular Connector

The J63A series is an ultra-miniature micro rectangular connector with a 0.635 mm contact pitch and twisted-wire elastic “nanominiature” pins, designed for the lightest and smallest high-density interconnect requirements. Plugs and receptacles are joined by a locking screw for smooth insertion and secure retention, with 9 to 69 contacts accepting 0.035 mm² wire. Performance complies with FYQB 0001-2015.

Key Specifications

Contact Pitch 0.635 mm

Contacts 9 - 69

Rated Current 1 A

Executive Standard	FYQB 0001-2015
Contact Pitch	0.635 mm
Contact Type	Twisted-wire elastic nanominiature pin
Contact Count	9 / 15 / 21 / 25 / 31 / 37 / 51 / 65 / 69
Wire Range	0.035 mm²
Connection Method	Locking screw coupling
Rated Current	1 A
Contact Resistance	≤ 21 mΩ
Insulation Resistance	≥ 5000 MΩ
Dielectric Withstanding Voltage	250 V
Operating Temperature	−55 °C to +125 °C
Vibration	10–2000 Hz, 196 m/s²
Random Vibration	0.4 G²/Hz, 23.1 G rms overall
Shock	980 m/s²
Mechanical Endurance	200 mating cycles