無煙溫度保險絲水泥電阻器 (RFT Series)


FEATURES 
特性:
Compact type with safety design of Non-flammability  and insulation.
   不燃與絕緣之安全設計
UL1412 Recognized:3W、5W、7W、10W / 0.1Ω∼1KΩ
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

Load life under high temperature

高溫負荷壽命

±5%

JIS C 5201-1 Rated voltage at 70℃ for 1,000 hours 1.5h ON/ 0.5h OFF    

                            cycle
(4.25.1)    額定電壓70℃ 1,000 小時,1.5小時ON/ 0.5小時OFF 周期

Moisture resistance
耐濕性

±2%

JIS C 5201-1 240hr;40℃;90 to 95% RH ,No load
       240小時;40℃;90 to 95% RH ,無負荷

Temp coeff.of resistance
溫度係數

±350ppm/oC

JIS C 5201-1 Tf-20℃
       Duration time:30minute

Short time overload
短時間過負荷

±2%

JIS C 5201-1 2 times the rated power for 5 seconds
(4.13)     2倍額定功率 5 秒

Dielectric withstanding voltage
耐電壓

------

JIS C 5201-1 V-Block, test voltage:1100V
(4.7)     Duration time:60 s

Resistance to soldering heat
焊錫耐熱

±1%

JIS C 5201-1 260℃±5 ℃ for 10 seconds(焊錫槽)
(4.18)     350℃±10 ℃ for 3.5 seconds(手焊錫)

Insulation resistance
絕緣電阻

>1000MW

JIS C 5201-1 500V (DC);1 minute
(4.6.1)

 

RATINGS FUSIBLE
Thermal Fuse
Power rating (W)

Temperature function Tf

Thermal
Fuse temp.

Voltage
Rating

3W

5W

7W

10W

65

61±3

AC 250V

0.3

0.4

0.6

0.7

76

72±3

0.5

0.6

0.8

1.0

86

81±2

0.6

0.8

1.0

1.3

102

98±3

0.9

1.1

1.4

1.7

115

111±2

1.1

1.4

1.7

2.1

127

123±2

1.3

1.7

2.0

2.5

133

129±3

1.5

2.0

2.4

3.0

136

131±2

1.6

2.1

2.6

3.2

139

134±2

1.7

2.2

2.7

3.3

145

140±2

1.8

2.3

2.8

3.5

 

DIMENSIONS 尺寸

Rated power
(額定功率)

Cement High
(長度)
H

Cement Width.
(寬度)
W

Pitch
(腳距)

Lead length
(端線長度) h

Lead dia.
(端線直徑)
Fuse:d1φ

Lead dia.
(端線直徑)
wire:d2φ

3

25 ±1

12 ±1

5 ±1

5 ±1

0.6 ±0.1

0.8 ±0.1

5

25 ±1

13.5 ±1

5 ±1

5 ±1

0.6 ±0.1

0.8 ±0.1

7

39 ±1

13 ±1

5 ±1

5 ±1

0.6 ±0.1

0.8 ±0.1

10

23 ±1

20 ±1

12 ±1

5 ±1

0.8 ±0.1

0.8 ±0.1

10S

35 ±1.5

16 ±1

7 ±1

5 ±1

0.8 ±0.1

0.8 ±0.1

適用:3W5W7W

10S
適用:10W

 

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