低阻值電阻器 (LR 系列)

低阻值電阻器 shunt (LR Series)

FEATURES :		特性：
Small size and light weight.		尺寸小且重量輕
Excellent soldering performance.		焊錫特性佳
Can be produced according to customer's request.		可依客戶需求製作

CHARACTERISTICS　性能：

ITEM項目	SPEC. 規格	REMARKS 備註
Resistance tolerance 電阻值容許差	1%、2%、5%、10%	Suit nickel copper wire Suit manganese copper wire
Temp. coeff. of resistance 溫度係數	5、10、25、50、100、200ppm/℃	Suit nickel copper wire Suit manganese copper wire
Short time overload 短時間過負荷	ΔR/R≦2%	No evidence of mechanical damage and after test impedance change ratio
Load life under high temperature 高溫負荷壽命	ΔR/R≦3%	100%rate power load (90min on and 30min off keep the 1,000 Hrs)
Load life under high humidity 耐濕負荷壽命	ΔR/R≦2%	10% rate power load (90min on 30min off 40℃95% RH 250 Hrs)
Resistance to soldering heat 焊錫耐熱	ΔR/R≦1%	260℃±5 ℃ for 10 seconds(焊錫槽) 350℃±10 ℃ for 3.5 seconds(手焊錫)
Solderability 可焊性	Coverage 95%	245℃±5℃ for 3 seconds

DIMENSIONS 　尺寸：
Fig 1	Fig 2	Fig 3

Fig 4	Fig 5	Fig 6

φ d (mm)	Max Current Rating	Resistance Range		φ d (mm)	Max Current Rating	Resistance Range
φ d (mm)	Max Current Rating	Copper Manganese	Copper Nickel	φ d (mm)	Max Current Rating	Copper Manganese	Copper Nickel
0.4	2.0	70mΩ ~ 200mΩ	80mΩ ~ 220mΩ	1.2	7.0	10mΩ ~ 20mΩ	12mΩ ~ 22mΩ
0.5	2.5	50mΩ ~ 150mΩ	60mΩ ~ 165mΩ	1.3	7.5	10mΩ ~ 20mΩ	12mΩ ~ 22mΩ
0.6	3.0	50mΩ ~ 100mΩ	60mΩ ~ 110mΩ	1.4	8.0	10mΩ ~ 20mΩ	12mΩ ~ 22mΩ
0.7	4.0	30mΩ ~ 70mΩ	35mΩ ~ 75mΩ	1.5	9.0	10mΩ ~ 20mΩ	12mΩ ~ 22mΩ
0.8	4.5	20mΩ ~ 50mΩ	25mΩ ~ 55mΩ	1.6	9.5	10mΩ ~ 15mΩ	12mΩ ~ 22mΩ
0.9	5.0	20mΩ ~ 40mΩ	25mΩ ~ 40mΩ	1.8	11	5mΩ ~ 10mΩ	6mΩ ~ 11mΩ
1.0	5.5	15mΩ ~ 30mΩ	20mΩ ~ 30mΩ	2.0	12	5mΩ ~ 10mΩ	6mΩ ~ 11mΩ
1.1	6.0	15mΩ ~ 20mΩ	16mΩ ~ 22mΩ	2.3	14	3mΩ ~ 5mΩ	3.5mΩ ~ 5.5mΩ

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