Aluminum Housed Wirewound Resistors, buy Trapezium Type of Aluminum Housed Wire Wound Variable Resistor on China Suppliers Mobile

Product Details

TRX Trapezium Type of Aluminum Housed Wire Wound Variable Resistor

1.Aluminum crust surface with good performance in heat radiation,suitable for cooling plate
installation, can be used in the atrocious environment.
2.Small size,high power load.

3.High insulating capacity,encapsulation by non-flame inorganic Material,good performance in vibration.

4.Multi connection form will be easily to fix.
5.Widely used in Power supply, Transducer, Elevator, Arena audio and high requirement equipment Industry.
6.Resistance tolerance: ±1%,±2%,±5%,±10%.

Dimensions and Voltage Performance:

Part No.	Power	Resistance range	Dimensions(mm)								Max. working Voltage	Max. overload Voltage	Withstand Voltage
Part No.	Power	Resistance range	L1±1	L2±1	L3±1	L4±10	H±1	W±1	W1±0.5	d±0.2	Max. working Voltage	Max. overload Voltage	Withstand Voltage
TRX40B	40W	0R1-7K	75	90	100	200	18	30	5.6	2.51	300V	300V	450V
TRX60B	60W	0R1-9K	84	98	115	200	18	30	5.6	2.51	400V	400V	600V
TRX80B	80W	0R1-22K	109	123	140	200	20	40	5.6	3.44	500V	500V	450V
TRX100	100W	0R1-31K	134	148	165	200	20	40	5.6	3.44	600V	600V	900V
TRX120	120W	0R1-34K	155	170	185	200	20	40	5.6	3.44	700V	700V	1000V
TRX150	150W	0R1-40K	184	198	215	200	20	40	5.6	3.44	900V	900V	1300V
TRX200	200W	0R1-46K	119	147	165	300	30	60	5.6	3.44	1000V	1000V	1450V
TRX250	250W	0R1-46K	119	147	165	300	30	60	5.6	3.44	1000V	1000V	1450V
TRX300	300W	0R1-72K	184	212	230	300	30	60	5.6	3.44	1500V	1500V	2200V
TRX350	350W	0R1-72K	184	212	230	300	30	60	5.6	3.44	1500V	1500V	2200V
TRX400	400W	0R1-79K	219	247	265	300	30	60	5.6	3.44	1600V	1600V	2300V
TRX500	500W	0R1-100K	289	317	335	300	30	60	5.6	3.44	1600V	1600V	2300V

Performance Test:

Test Item	Test Condition	Performance
Temperature coefficient	Test the resistance value at normal temperature added 100℃,calculate per ℃ resistance value rate.	±300ppm/℃
Short time overload	According 10 times rated power to account the voltage or max .overload voltage (get the lower)for 5 seconds.	ΔR≤±(2%R0+0.05Ω)
Resistance to soldering heat	Immerge into the 350±10℃ tin stove for 2~3 seconds.	ΔR≤±(1%R0+0.05Ω)
Solderability	Immerge into the 245±3℃ tin stove for 2~3 seconds.	The area of soldering is over 95%
Temperature cycling	At -55℃ for 30 min,then at +25℃ for 10~15 min,then at +275℃ for 30 min,then at +25℃ for 10~15min, total 5 cycles.	ΔR≤±(1%R0+0.05Ω)
Load life in humidity	Overload rated voltage or Max. working voltage(get the lower) for 1000 hours (1.5 hours on and half-hours off) at the 40±2℃ and 90~95% relative humidity.	ΔR≤±(5%R0+0.05Ω)
Load life in heat	Overload rated voltage or Max. working voltage(get the lower)m for 1000 hours (1.5 hours on and half-hours off) at the 70±2℃.	ΔR≤±(5%R0+0.05Ω)
Terminal strength	Pull:10N	ΔR≤±(2%R0+0.1Ω)
Vibration	Frequency:10~55Hz,Swing:0.75mm,Test time:6Hours	ΔR≤±(2%R0+0.1Ω)
Nonflammability	Respectively load AC voltage by5,10,16 times rated power for 5 min.	No visible flame