Trapezoid Aluminum Shell Resistor

(RAMH Series)

FEATURES :

High power and Excellent load life stability and Low price Small size.

The strongly resistant to moistures test, solvent and insulation resistance.
Self-extinguish material is used in molding. both standard winding type and non-inductive
¡@ winding type are available.
Terminal arrangements should be separately specified with UL certify.
High surge resistant items are also available.

 

CHARACTERISTICS¡G
ITEM
SPEC
REMARKS

Short time over load

 

 ¡µR¡Ó(2%+0.05£[) MAX

10 ¡Ñ wattage rating 5sec.

 

Moisture resistance

 

 ¡µR¡Ó(3%+0.05£[) MAX

Temp. 40¢XC moisture 95%DC 100V 500Hrs

 

Moisture load life

 

 ¡µR¡Ó(3%+0.05£[)MAX

Temp 40¢XC moisture 95% 1/10 X wattage rating

(1.5Hr ON 0.5Hr OFF)-Repeat 1000Hr

Load life

 

 ¡µR¡Ó(5%+0.05£[)MAX Load rating(chases is mounted) (1.5Hrs ON 0.5Hrs OFF) repeat 1,000Hrs

Vibration

 

 ¡µR¡Ó(1%+0.05£[)MAX 10c/s~50c/s~10c/s( lmin)-2Hrs. each of paralleled and right angle

Heat resistance

 

 ¡µR¡Ó(0.5%+0.05£[)MAX 275¢J  2Hrs.

Dielectric strength

 

 ¡µR¡Ó(0.2%+0.05£[)MAX AC1,500V

Insulation resistance

 

 100M£[min Under the same test condition of Dielectric strength. Load the DC500V and measure the Insulation R.

Temp. coeff. of resistance

 

 ¡Ó260ppm/¢J  MAX Measured at room temperature and room temperature+100¢J

Operating temp.

 

 -55¢J~+250¢J ------

 

Derating Curve¡G

 

DIMENSIONS¡G

Position

Resistance Range

A¡Ó0.3

B¡Ó0.5

C¡Ó0.5

D¡Ó1.0

E¡Ó1.0

F¡Ó1.0

G¡Ó0.3

H¡Ó0.5

I¡Ó0.3

L1¡Ó2

L2¡Ó2

60W

0.001¡ã5 K£[

2.5

23.5

26

28

60

55

4

12

6

50

80

80W

0.001¡ã6 K£[

2.5

23.5

26

28

60

55

4

12

6

60

90

100W

0.001¡ã8 K£[

2.5

23.5

26

28

60

55

4

12

6

75

105

120W

0.001¡ã10 K£[

2.5

23.5

26

28

60

55

4

12

6

90

120

150W

0.001¡ã12 K£[

2.5

23.5

26

28

60

55

4

12

6

120

150

200W

0.001¡ã15 K£[

2.5

23.5

26

28

60

55

4

12

6

140

170

300W

0.001¡ã18 K£[

2.5

23.5

26

28

60

55

4

12

6

180

210

400W

0.001¡ã20 K£[

2.5

23.5

26

28

60

55

4

12

6

230

260

500W

0.001¡ã25 K£[

2.5

23.5

26

28

60

55

4

12

6

300

330

600W

0.001¡ã30 K£[

2.5

23.5

26

28

60

55

4

12

6

360

390

800W

0.001¡ã30 K£[

2.5

23.5

25

28

60

55

4

12

6

400

430

 

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