RY series metal oxide film resistorsDetailed product description：

RY series metal oxide film resistor

Features: Wide resistance range, high accuracy, small size; Good stability, constant resistance throughout the year, and excellent flame retardancy
Application: Suitable for voltage division, current limiting, and load in AC/DC and pulse circuits
Operating environment: rated power temperature (+70 ℃); Temperature range for use (-55 ℃~+375 ℃)
Structural form: Lead type welding installation
Applicable standard: SJ/T10619-1995

Overall dimensions

Model	Rated power (W)	Dimensions (mm)
		Dmax	Lmax	d	l
RY	1W	5±0.5	12±0.1	0.7±0.05	28±3
	2W	5.5±0.5	16±0.1	0.8±0.05
	3W	6.5±0.5	17.5±0.1	0.8±0.05
	5W	8.5±0.5	26±0.1	0.8±0.05	38±3

Main technical indicators

Model	Rated power (W)	Resistance range (Ω)	Allowable deviation of resistance value (%)	Temperature coefficient (× 10)-6/℃)	Maximum operating voltage (V)	Maximum Overload Voltage (V)
RY	1W	0.3～50K	±1 ±5	±350	three hundred and fifty	six hundred
	2W	0.5～100K			three hundred and fifty	six hundred
	3W	1～100K			five hundred	eight hundred
	5W	1～100K			seven hundred and fifty	one thousand

Inspection items, test methods, and performance requirements for RY series metal oxide film resistors

Inspection Item	Performance Requirements	Test Method
Temperature coefficient of resistance	≤±350(×10-6/℃)	-55 ℃/+20 ℃ 20 ℃/+155 ℃
Terminal tensile strength	R≤±(1%R+0.05Ω)	Stretch 5N or 10N and bend continuously twice
Withstand Voltage	No breakdown or arcing	V-block method, apply AC voltage with a peak value of 1.42 times the insulation voltage for 1 minute
solderability	Solder can flow freely and wet the leads	235 ± 5 ℃ 2 ± 0.5s
Solder heat resistance	ΔR≤±(1%R+0.05Ω)	260 ± 5 ℃ 10 ± 1s
Overload	ΔR≤±(1%R+0.05Ω)	2.5VR 5s
Rapid temperature changes	ΔR≤±(1%R+0.05Ω)	-55 ℃/+125 ℃ 5 cycles
vibration	ΔR≤±(0.5%R+0.05Ω)	10～500Hz　 98m/stwo
Long term load	ΔR≤±(2%R+0.05Ω)	+70±2℃ VR 1000h
Steady-state hot and humid	ΔR≤±(5%R+0.1Ω)	+40 ± 2 ℃ humidity 95-98% 240h