Products > Electrical contact > Button contact

Material	Composition(%)	Density (g/cm3)	Melting (Temp,℃)	Hardness (HV)	Electrical Conductivity Conductivity (IACS%)	Resistivity (μΩ.cm)
Pure Ag	99.99up	10.48	960	500	99	1.75
AgNi	AgNi0.15	10.48	960	600	96	1.90
	AgNi10	10.20	960	630	82	2.10
	AgNi20	10.00	1220	780	75	2.30
AgCu	AgCu5	10.40	778	441	88	1.96
	AgCu10	10.30	890	607	83	2.08
AgCdO	AgCdO8	10.35	960	600	86	2.00
	AgCdO10	10.30	960	686	82	2.10
	AgCdO12	10.20	960	686	75	2.30
	AgCdO15	10.10	960	784	64	2.70
AgSnO2	AgSnO28	9.90	960	930	69	2.50
	AgSnO210	9.80	960	950	64	2.70
	AgSnO212	9.70	960	980	57	3.00
AgSnO2InO3	AgSnO2InO310	9.75	960	780	54	3.20
	AgSnO2InO312	9.70	960	800	50	3.4
AgPd	AgPd30	10.90	940	931	11	15.6
AgZnO	AgZnO8	10.0	960	650	50	3.40
	AgZnO10	9.85	960	700	50	3.40
	AgZnO12	9.70	960	730	49	3.50

Base material:	Brass, Iron, Copper Nickel, Nickel, Stainless steel, Monel
Application:	Switches, Relays, Gateways, Commutator parts, Circuit breakers, Thermostats

Standard Dimensions of Button Type Contacts
Button type contacts are precious contact materials clad with Cu or Cu alloy base materials having different forms and dimensions. They are welded on spring materials or a bimetal. Normal projection forms include the following.

No.	D(mm)	T(mm)	d(mm)	t(mm)	l(mm)	O(degree)	F type	R type
1	3	1	1.5	0.5	0.2	12°	F	8R
2	4	1	2	0.5	0.2	12°	F	10R
3	5	1.2	2.5	0.5	0.2	12°	F	15R
4	6	1.5	3	0.7	0.2	12°	F	20R