Wire Wound Resistor/Ceramic Resistor/Cement Resistor

• Resistance: Fixed Resistor
• Function for Resistance: Protective Resistor
• Material: Wire-wound Resistor
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: RX27-1V
• Shape: Square
• Brand: Liwang
• Environmental Certification: ISO14000
• Quality Certification: ISO9001: 2008
• Safety Certification: CQC 03003095~3097
• Other Certification: RoHS
• Operating Temperature: 25-275°c
• Resistance Tolerance: +-5% +-10%
• Transport Package: Carton Box
• Specification: ISO14000, ISO9001: 2008, CQC 03003095~3097, RoHS
• Trademark: Liwang
• Origin: Jiangsu, China(Mainland)
• HS Code: 8533400000
• Production Capacity: 100000 PCS/Week

Product Description

Rx27-1V Ceramic Encased Wire Wound Resistors

Product Description:
1. Rated Power: 7-20W
2. Resistance Range: 0.33-3000Ω
3. Resistance Tolerance: ± 5%, ± 10%

 

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.

If you find any interest in us ,please feel free to contact us !