保險電阻

[ 晶片電阻 ] [ CRA/N ] [ 排阻 ] [ 碳膜電阻 ] [ 精密電阻 ] [ 金屬氧化膜 ] [ MG ] [ 保險電阻 ] [ 水泥電阻 ] [ KNP ] [ ZERO,JUMP ] [ 陶瓷繞線電阻 ] [ 大電鋁殼電阻 ] [ MPR ] [ MC ]

FUSIBLE RESISTOR 保險絲電阻

Fwatures:

	Function as a resistor in normal condition.
	Quick fusing protects circuit from excessive overload.

特性

正常情況下具電阻功能。

異常下過負荷時可快速熔斷。

此基準是供應家電、電腦、資訊用之保險絲電阻器之規格。

P-Type DIMENSION

Part Number

FR

1/2W

P

J

10Ω

a

b

c

d

e

a	Product code number	a.產品名稱
b	rated power	b.額定電力
c	specification	c.規格型式
d	resistance value	e.值阻
e	tolerance (J: ±5% , K:±10%)	d.容許誤差

額定電力 POWER RATING	DIMENSION (mm)				電阻值範圍(±5%) Resistance range
額定電力 POWER RATING	L	D	H	d±0.05	電阻值範圍(±5%) Resistance range
1/4w1/2ws	6.5±0.5	2.3±0.3	27±0.2	0.50	0.22Ω ~4.7kΩ
1/2w1ws	9.0±0.5	3.2±0.5	27±0.2	0.60	0.22Ω ~4.7kΩ
1w 2ws	11.0±1.0	4.0±0.5	35±0.2	0.75	0.22Ω ~4.7kΩ
2w 3ws	15±1.0	5.0±0.5	33±0.2	0.75	0.22Ω ~4.7kΩ

特性CHARACTERISTICS

項目 ITEM	規格SPECIFICATIONS	測試方法 TEST METHODS
高溫負荷壽命 Load life under high temperature	±5%	Rated voltage at 70℃ for 1000 hours 額定電壓 70℃ 10000小時
耐濕負荷壽命 Load under high humidity	±5%	Rated voltage at 40℃,95%RH for 1000 hours 額定電壓 40℃,95%RH for 10000小時
溫度係數Temperature coefficient of resistance	±350ppm/℃	Room temperature +100℃ 室溫+100℃
短時間過負荷Short time overload	±2%	4 time the rated power for 5 seconds 4倍額定功率5秒
溫度循環Temperature cycling	±1%	5 cycles for -55℃~+155℃ 5次 -55℃~+155℃
焊錫耐熱Immersion in solder	±1%	350℃ for 3.5 seconds 350℃ for 3.5秒
熔斷特性 Fusing characteristics	MODEL	FR 1/4W	FR 1/2WS FR 1/2W	FR 1W FR 2WS	FR 1/2W FR 1/2W FR 1W FR 2W
	阻值Resistance	0.22~15Ω	0.22~2Ω	0.22~2Ω	>2Ω
	熔斷電力 Fusing Power	25 Time 25倍	25 Time 25倍	25 Time 25倍	15 Time 15倍
	熔斷時間 Fusing Time	<=60sec	<=60sec	<=30sec	<=30sec
	Residual resistance >=100 time nominal resistance 殘留阻值為公稱阻值100倍以上

倍率表 POWER

　

POWER	FUSING TIME
POWER	Maximum
16x Wattage	1Min
20	40Sec.
24	30Sec.
28	20Sec.
32	15Sec.

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