Contacts Characteristics   Pin-diameter (mm) 1 1.5 2.5 3.5 5.5 7 9 10 Working current (A) 5 10 25 50 100 120 150 200 contact resistance (mO) =6 =4 =1.5 =1 =1 =1 =1 =1 Insulation resistance : under normal conditions is not less than 1,000 M O RMS : under normal conditions exchange 1500V Sealing : sealing connectors to the following conditions should remain sealed           At a temperature of 20  ± 5° C, electricity load conditions, poor internal and external pressure to 80Kpa           At a temperature of 55 ° C, rated load conditions, poor internal and external pressure to 60Kpa Mechanical life-span : Plug 500 Implementing standards : Q/321283LSB01-2004 "Y (T) P series of circular connector"

Model signs YP   28   K   4   A   P                   ?     ?   ?  ?  ?  ?   ? Main ocde of the title:YP ? Assorting diameter of plug shell:16,20,28,32,36,40,48,55 ? Contacts types:K pin,J jacks ? Contact right combination of code:see contacts right combination of code table ? Plugs or socket types:A-non-sealed socket,M-seal jacks,plugs,no signs ? Shell structure:Q-shielding straight,P-staight-shielding,R-bend-shielding,S-bend-nonmaskable

Model	installation size
	A	B	FH	M	C	FD1	FD2
YP16	18	18	7	16X0.75	25	25.4	18.5
YP20	22	24	12	21X0.75	31	31	22.7
YP28	26	28	20	28X1	38	38	28.7
YP32	26	28	20	28X1	38	38	28.7
YP36	34	36	26	36X1	46	46	36.7
YP40	34	36	26	36X1	46	46	36.7
YP48	49.5	52	40	50X1	63	60	50.7
YP55	49.5	52	40	50X1	63	60	50.7