RX27-1 type porcelain shell cement resistorDetailed product description：

RX27-1 Ceramic Shell Cement Resistors

Features: Electronic ceramic rod core, ceramic shell, wide resistance range, flame retardant and high temperature resistance, high specific power, safe and reliable, good insulation performance
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 ℃~+275 ℃)
Structural form: Two end lead welding installation
Characteristic requirements: The size of the lead and resistor can be customized according to the user's special requirements through negotiation
Applicable standard: GB/T5729-2003 GB5732-85 SJ2862-64-88

Dimensions and Main Technical Indicators of RX27-1 Ceramic Shell Cement Resistors

model	Rated power (W)	Dimensions (mm)					resistance range	Insulation voltage (V)	Allowable deviation (%)	Temperature coefficient (× 10-6/℃)
		A±1	B±1	L±1.5	l±1.5	d±0.05
RX27-1 (RXG5)	2W	seven	seven	eighteen	thirty-five	zero point eight	0.01～390	seven hundred	±5%(J)	±250
	3W	eight	eight	twenty-two	thirty-five	zero point eight	0.01～680
	5W	nine point five	nine point five	twenty-two	thirty-five	zero point eight	0.01～47K
	7W	nine point five	nine point five	thirty-five	thirty-five	zero point eight	0.01～68K
	10W	nine point five	nine point five	forty-eight	thirty-five	zero point eight	0.01～68K
	15W	twelve point five	eleven point five	forty-eight	thirty-five	zero point eight	0.01～150K
	20W～25W	fourteen	thirteen point five	sixty-five	thirty-five	zero point eight	0.01～150K

Main inspection items, test methods, and performance requirements

Inspection Item	Performance Requirements	Test Method
Temperature coefficient of resistance	≤±250(×10-6/℃)	-55℃/+20℃20℃/+155℃
terminal strength	R≤±(1%R+0.05Ω)	Stretch 20N 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≤±(2%R+0.1Ω)	2.5VR 5s
Rapid temperature changes	ΔR≤±(1%R+0.05Ω)	-55 ℃/+125 ℃ 5 cycles
vibration	ΔR≤±(1%R+0.05Ω)	10～500Hz98m/s2
Long term load	ΔR≤±(5%R+0.05Ω)	+40±2℃ VR 1000h
Non combustibility	Non combustible	Apply 5, 10, and 16 times the rated power AC voltage for 5 minutes respectively
Surface temperature rise	≤210℃	Apply rated power load
steady-state heat and humidity	ΔR≤±(5%R+0.1Ω)	+40 ± 2 ℃ humidity 95-98% 240h

RX27-1 Ceramic Shell Cement Resistors