Products

DESCRIPTION

Basic Info

Model NO.	RX27
Material	Wire-wound Resistor
Packaging	Surface Mount
Type	Photoresistor
Quantity	Single Connection
Shape	Square
Application	Audio
Brand	Liwang
Productor Name	Rx27 Ceramic Variable Resistor/Cement Power Resist
Environmental Certification	ISO14000
Quality Certification	ISO9001: 2008
Safety Certification	CQC 03003095~3097
Other Certification	RoHS
Transport Package	Box
Specification	ISO14000, ISO9001: 2008, CQC 03003095~3097
Trademark	Liwang
Origin	Changzhou Jiangsu China(Mainland)
HS Code	8533400000
Production Capacity	5000000 Pieces/Week

Packaging & Delivery

Package size per unit product 8.00cm * 2.00cm * 2.00cm Gross weight per unit product 0.008kg

Product Description

Product description of Rx27 Ceramic Variable Resistor/Cement Power Wirewound Resistor.

RX27 type cement resistors are dielectric strength, weldability strong, various specifications, wide use.Specifications ceramic wire wound resistor1. Heat and flame resistant2. Completely insulated character suitable for printed circuit board3. Rx27 cement resistors have many kinds of types.4. Performances are stable

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%R0+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%R0+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%R0+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%R0+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%R0+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.

Changzhou Southern Electronic Element Factory is located in China, with a long history. We enjoy convenient transportation by highway, railway and airway. It takes only one and half hours' Drive to Shanghai or Nanjing.Our company was founded in 1989, and currently we employ more than 300 people, including 60 professional technicians, covering an area of 10, 000 square meters, with a construction area of more than 5000 square meters. Our main products are wirewound resistors, wirewound resistor fuses, membrane fuse resistors, fixed inductors, filters, ferrite transformers, ring-shaped coils, fuse dedicated energy-saving lamps and UL fuses. Our annual output is 200 million resistors, 200 million transformers, 100 million coils and 200 million fuses, which are mainly used for household appliances, communication equipment, energy-saving lamps, automation control devices (such as inverters), power equipment and facilities. Our products are exported to Europe, the United States and Southeast Asia. GE, OSRAM and PHILIPS are our customers.Factory' S quality policy: "product quality, service in advance, customer satisfaction".Environmental policy: "to comply with laws and regulations, pollution prevention, environmental awareness, continuous improvement of the environment"