FL-U1,FL-U2 type shunt resistorDetailed product description：

FL type shunt resistor

Model: FL-U1 FL-U2
Features: This resistor is made of precision alloy, with high power, low resistance, low inductance, safe and reliable, high overload capacity, and easy welding
Application: Suitable for current limiting, current sharing, or sampling detection of power and other circuits
Operating environment: rated power temperature (+70 ℃); Temperature range for use (-55 ℃~+85 ℃)
Structural form: Radial and axial open structure, welded installation
Characteristic requirements: Pin and resistor sizes can be customized according to user specific requirements through negotiation
Applicable standard: GB/T5729-2003 GJB/T360A-96 GB2423

External dimensions and main technical indicators

model	Rated power W Rated current A	Dimensions (mm)					Resistance range	temperature range	Allowable deviation (%)	Temperature coefficient (× 10-6/℃)
		A+1/-0.5	B+0.5/-0.5	C+0.7/-0.7	E+0.3/-0.7	F+0.05/-0.05
FL-U1	1W	eleven point four three	five point zero eight	three point one eight	one point six five	one point zero two	5～100mΩ	-55～+85℃	±5%(J)	±50
	3W	fifteen point two four	twenty-five point four	three point one eight	one point six five	one point zero two	5～100mΩ
	5W	twenty point three two	twenty-five point four	three point one eight	one point six five	one point zero two	5～100mΩ
FL-U2	6A	ten	twenty	three		one	15～25mΩ
	8A	ten	twenty	three		one point four	5～15mΩ
	10A	ten	twenty	three		one point eight	4～8mΩ
	12A	ten	twenty	three		two	4～8mΩ
	14A	ten	twenty	three		two point three	2～5mΩ

Main inspection items, test methods, and performance requirements

Inspection Item	Performance Requirements	Test Method
Temperature coefficient of resistance	≤±50(×10-6/℃)	-55 ℃/+20 ℃ 20 ℃/+155 ℃
solderability	Solder can flow freely and wet the leads	235 ± 5 ℃ 2 ± 0.5s
Solder heat resistance	ΔR≤±(0.5%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)	10～500Hz　 98m/s2
Long term load	ΔR≤±(5%R+0.05Ω)	+40±2℃ VR 1000h
Terminal tensile strength	ΔR≤±(0.5%R+0.05Ω)	Bend 10N twice
Reduce power consumption	≤210℃	When the ambient temperature rises to 300 ℃, the resistor allows the load to decrease from rated power to 0
Steady-state hot and humid	ΔR≤±(2%R+0.1Ω)	+40 ± 2 ℃ humidity 95-98% 240h