ROP Cement Resistors Cylindrical Type
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ROP Cement Resistors Cylindrical Type

ROP Cement Resistors Cylindrical Type Features: 1. Standard taping package can be for automatic insertion and forming. 2. Fully automated process and strict quality control system result uniform quality and consistent performance in reliability. 3. Small and lightweight body style save the PWB space considerably. 4. High Dielectric Withstanding Voltage up to 1KV.

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Product Description

ROP Cement Resistors Cylindrical Type



 Products

ROP Cement Resistors Cylindrical Type

Features

1. Standard taping package can be for automatic insertion and forming.

2. Fully automated process and strict quality control system result uniform quality and consistent performance in reliability.

3. Small and lightweight body style save the PWB space considerably.

4. High Dielectric Withstanding Voltage up to 1KV.

5. Flameproof construction in a ceramic tube, resistant to humidity and insulation.




Electrical And Mechanical Performance of ROP Cement Resistors Cylindrical Type​:


Characteristics

Standards

Test Methods

Resistance Tolerance

±5%(J)

-

Resistance Temp. Coeff.

±300 ppm/°C

-55°C~155°C

Power Rating Load

Surface temp. 275°C Max.ΔR/R W±1%

Rated voltage for 30 minutes

Short Time Overload

±2%

10times(power film:5 times) of rated wattage for 5 seconds.

 

Dielectric Withstanding Voltage

No evidence of mechanical damage or insulation breakdown.

AC 1000V for1minutes

Insulation Resistance

1,000MQ

DC 500V megger

Terminal Strength

No evidence of mechanical damage.

1 kg

Solder-ability

Minimum95%coverage

235±5°C for 2 seconds

Resistance to 

Soldering Heat

No evidence of mechanical damage.△R/RW±1%

270±5°C for 10 ±1 seconds

350 ±10*0 for 3.5 ±0.5 seconds




Environmental Characteristics of ROP Cement Resistors Cylindrical Type​:


Characteristics

Standards

Test Methods

Temp. Cycle

△R/RW±1%

-55°C( 30 mln.)

Room Temp.( 3 min.)

+155*0 ( 30 mln.)

Room Temp.( 3 min.)/( 5 cycles)

Load Life

△R/R ±5%

Rated power load 90 minutes ON 30 minutes OFF

70°C 1000 hours

Moisture-proof Load Life

△R/RW±5%

Rated power load 90 minutes ON 30 minutes OFF

40°C95%RH 1000 hours

Nonflammability

not flamed

16 times of rated wattage for 5 min.




Dimensions of ROP Cement Resistors Cylindrical Type​:


Rated Wattage

D±1

L±1

XMax.

H±3

d±0.1

Resistance(Q)

Max. Working Voltage

Wire Wound

Power Film

1W

4.5

6.5

9

28

0.65

0.1-47

48-1 OK

150V

2W

5.0

8.5

10.5

28

0.65

0.1-100

101-1 OK

150V

3W

6.5

11

14

28

0.8

0.1-150

151~33K

350V

5W

7

16

19

28

0.8

0.1-150

151-50K

350V

 




Derating Curve of ROP Cement Resistors Cylindrical Type​:


For resistors operated in ambient temperatures above 70,power rating must be derated in accordance with the curve below.

 




Surface Temperature Rise of ROP Cement Resistors Cylindrical Type​:







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