Rx27-3 Ceramic Encased Wire Wound Resistor

• Customization: Available
• Resistance: Fixed Resistor
• Function for Resistance: Shunt Resistor
• Model NO.: RX27-3
• Material: Ceramic and Metal
• Packaging: Surface Mount
• Type: Varistor
• Quantity: Duplex
• Shape: Square
• Resistance change scale: Linear Scale
• Application: Medical Apparatus and Instruments
• Brand: Liwang
• Environmental Certification: ISO14000
• Quality Certification: ISO9001: 2008
• Safety Certification: CQC 03003095~3097
• Certification: RoHS
• Resistance Tolerance: +-1% +-10%
• Transport Package: Carton
• Specification: ISO14000, ISO9001: 2008, CQC 03003095~3097, RoHS
• Trademark: Liwang
• Origin: Jiangsu, China(Mainland)
• Production Capacity: 100000 Pieces Per Week
• Package Size: 8.00cm * 6.00cm * 6.00cm
• Package Gross Weight: 1.000kg

Product Description

Rx27 Ceramic Encased Wire Wound Resistors
Specifications:
1. Good resistance to heat
2. Good stability
3. Low temperature coefficient


All products of the size, electrical performance can be designed. If you have any questions or requirements, please contact us freely in any time.

Products

Cement type resistors (LW)

Specifications

Part NO. RX

Dimensions

Resistance range

W± 1

H± 1

L± 1.5

C± 3

D± 0.05

KN

MO

2W

7

7

18

30

0.8

0.1~270

271~33K

3W

8

8

22

35

0.8

0.1~1K

1K1~47K

5W

10

9

22

35

0.8

0.1~1K

1K1~68K

7W

10

9

35

35

0.8

0.1~1K

1K1~68K

10W

10

9

48

33

0.8

0.1~1K

1K1~50K

15W

12.5

11.5

48

33

0.8

0.1~1K

1K1~150K

20W~25W

14

13.5

60

33

0.8

0.1~1K

1K1~150K

Power rated Item

2W

3W

5W

7W

10W

15W

20W~25W

Max. working voltage

150V

350V

350V

500V

750V

1000V

100V

Dielectric withstanding voltage

1000V (AC)

1000V (AC)

1000V (AC)

1000V (AC)

1000V (AC)

1000V (AC)

1000V (AC)

Resistance tolerance

J± 5%

J± 5%

J± 5%

J± 5%

J± 5%

J± 5%

J± 5%

Cement Type Resistor (wire wound)

Characteristics

Specifications

Test Method

DC Resistance JIS-C-5202 5.1

J ± 5%

AT 25° C

Dielectric withstanding voltage JIS-C-5202 5.7

No evidence of flashover mechanical amage, arcing or insulation breakdown.

Resistance shall be clamped with a conductive material which conforms to resistors surface so that 90 o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds.

Insulation Resistance JIS-C-5202 5.6

1000MΩ         MIN

Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric.

Thermal Shock

Δ R≤ ± (2%R 0 +0.1Ω )

After application of rated power for 30 minutes, 30 minutes exposure to -30± 5° C ambient temperature.

Humidity JIS-C-5202 7.5

Δ R≤ ± (2%R 0 +0.1Ω )

Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40± 2° C and 90~95% relative humidity.

Cement Type Resistor (metal oxide film)

Short time overload

Δ R≤ ± (2%R 0 +0.05Ω )

Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds.

Load Life JIS-C-5202 7.10

Δ R≤ ± (5%R 0 +0.1Ω )

Permanent resistance change after 1000 hours operating at RCWV, with duty cycle of 1.5 hours on and 0.5 hours off at 25° C± 2° C.

Load Life in Humidity JIS-C-5202 7.9

Δ R≤ ± (5%R 0 +0.1Ω )

Temperature resistance change after 1000 hours(1.5hours on and 0.5 hours off) at RCVW in a humidity chamber controlled at 40± 2° C and 90~95% relative humidity.

Solderability JIS-C-5202 6.5

95% coverage MIN

Test temperature of solder: 230± 5° C Dwell time in solder: 3± 0.5 SEC

Nonflammability

Nonflammable

Load 5 min according to 5times, 10 times, 16 times rated power and A. C. respectively.