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Liwang
Rx27 Ceramic Variable Resistor/Cement Power Resist
ISO14000
ISO9001: 2008
CQC 03003095~3097
RoHS
Liwang
Box
ISO14000, ISO9001: 2008, CQC 03003095~3097
Changzhou Jiangsu China(Mainland)
8533400000
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 resistor
1. Heat and flame resistant
2. Completely insulated character suitable for printed circuit board
3. 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 Co., Ltd. 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"
