Shell Material	Brass H62 (Nickel Plated), Stainless Steel 1Cr18Ni9Ti (Surface Passivated), Composite Material PEI (Covered with military green paint)
Insulator	Thermoplastic Composite PEI
Sealing Ring	Silicone Rubber
Contact	Gold-Plated Copper Alloy
Mechanical Life	500 cycles
Mechanical Demating Force	50 N ~ 250 N
Sinusoidal Vibration	Frequency 10 ~ 50 Hz, Full Amplitude 2 mm Frequency 50 ~ 2000 Hz, Acceleration 154 m/s²
Constant Frequency Vibration	Frequency 50 Hz, 260 Hz Power Spectral Density 154 m/s²
Shock	490 m/s²
Acceleration	110 m/s²
Operating Temperature	-55℃ ~ +70℃
Salt Spray Test	48 h
Relative Humidity	At 40℃ ± 2℃: 90% ~ 95%
Operating Pressure	101 kPa ~ 4.4 kPa
Rain Test	Rainfall Intensity 5 mm/min

Contact Number	20#	16#	12#	10#
Contact Specifications	1 mm	1.6 mm	2.41mm	3.15 mm
Inlet for Conductor Diameter	1.1 mm	1.7 mm	2.5 mm	3.5 mm
Soldering Cup Diameter	1.4 mm	2.2 mm	3.2 mm	4.4 mm
Operating Current	5 A	12 A	20 A	40 A
Contact Resistance	≤10 mΩ	≤10 mΩ	≤10 mΩ	≤5 mΩ
Number of Contacts	27	5	8	2

Note: The φ2.41 contact contains four 12 mm coaxial contacts.

Note: When multiple contacts are operating simultaneously, the rated current decline rate meets the requirements in the table below.

Number of Contacts	1 ~ 10	11 ~ 20	21 ~ 30	31 ~ 50	51 ~ 80	≥81
Decline Rate %	0%	10%	20%	30%	40%	50%

1 atm	High Temperature	Humid and Heat	Rain Test
≥3000 mΩ	≥500 mΩ	≥50 mΩ	≥50 mΩ

Dielectric Withstand Voltage

1 atm	Humid and Heat	Low Pressure
AC 1000 Vrms	AC 500 Vrms	AC 200 Vrms

Quality Grade	Plug Type	Feature	Part Number of Socket	Feature
J Grade	YF15-42TJ	Crimp 4 12#Coaxial Pin	YF15-42ZK	Crimp 4 12#Coaxial Pin
	YF15A-42TJ	Solder Cup Without locking Mechanism	YF15A-42ZK	Solder Cup
	YF15A-42TJa	Solder Cup Without Locking Mechanism, Guide Pin, Coaxial Pin, Simulated Air Needle	YF15A-42ZKa	Solder Cup With Guide Hole, Coaxial Socket, Simulated Air Hole
	YF15C-42TJ	Crimp With Coaxial Pins, Composite Material Shell, Single Outlet	YF15C-42ZK	Crimp With Coaxial Socket, Composite Material Shell Non-Back shell
	YF15C-42TJa	Crimp Composite Material Shell, Single Outlet	YF15C-42ZKa	Crimp With Composite Material Shell Without Back shell

Contact Type	Symbol	Contact Specifications	Number Of Contacts			Contact Soldering Cup / Crimping
Contact Type	Symbol	Contact Specifications	YF15-42	YF15A-42	YF15C-42	Inner Diameter	Section Area	Solderable Area
Soldering Contact		Φ1.0mm	——	27	——	Φ1.4 mm	1.54 mm²	1.08 mm²
		Φ1.6mm	——	5	——	Φ2.2 mm	3.8 mm²	2.66 mm²
		Φ2.41mm	——	4	——	Φ3.2 mm	8 mm²	5.6 mm²
		Φ3.15mm	——	2	——	Φ4.4 mm	15.2 mm²	10.64 mm²
Crimping Contact		Φ1.0mm	27	——	27	Y38-0000-02/Y38-0000-07.00
		Φ1.6mm	5	——	5	JF11-77-24/JF11-77-36
		Φ2.41mm	4	——	6 or 8	Y38-0000-05/Y38-0000-10
		Φ3.15mm	2	——	2	JF11-77-22/JF11-77-35
Coaxial Contact		12#	4	0 or 2	2 or 0	——
End Cap		12#	——	2 or 0	——	——
Simulated Gas Path Contact		12#	——	1 (Contact 9)	——	——