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Cement Resistors

Features:
1.Small diamension,excellent stability in high temperature,resistant to humidity and shock.

2.Excellent insulation being used in PCB.

3.Instant overload capability,low noise figures and low annual.

4.Metal oxide file cutting core can offer high range resistance.

5.Lead-free and RoHS compliant.

Product consultation hotline:18617185077

Product details

Power attenuation curve and temperature rise curve:

Electrical specifications:

Project Items		Category Style
Project Items		2W	3W	5W	7W	10W	15W	20W
70 ℃ rated power Power at 70 ℃		2W	3W	5W	7W	10W	15W	20W
Maximum working voltage Maximum Working Voltage		250V	350V	500V	500V	1000V	1000V	1000V
Maximum load voltage Maximum Overload Voltage		500V	700V	1000V	1000V	1000V	1000V	1000V
Insulation voltage Dielectric Withstanding Voltage		1000V	1000V	1000V	1000V	1000V	1000V	1000V
Resistance range Value Range	J (± 5%)	10 Ω -1M Ω	10 Ω -100K Ω	10 Ω -100K Ω	10 Ω -100K Ω	10 Ω -100K Ω	10 Ω -100K Ω	10 Ω -100K Ω
Resistance range Value Range	K (± 10%)	1 Ω -22M Ω	0.2 Ω -1M Ω	0.2 Ω -1M Ω	0.2 Ω -1M Ω	0.2 Ω -1M Ω	0.2 Ω -1M Ω	0.2 Ω -1M Ω
Operating temperature range Operation Temp.Range		-55 ℃~155 ℃

Rated Continuous Working Voltage (RCWV)=√ PR, whichever is higher than the highest working voltage

Lesser of √ PR or maximum working voltage

Main performance:

Reference standard: JIS-C-5202

project Items	Standard value Standard	test method Test Methods
Short term overload Short time overload	± 2%	2.5 times rated voltage/5 seconds 2.5 times RCWV/5 seconds
Heat resistance Resistance to solver head	± 2%	Soldering temperature: 350 ± 10 ℃, time: 3 seconds Solder Temperature: 350 ± 10 ℃, time: 3 seconds
Voltage withstand Dielectric with standing voltage	No burning or insulation damage No breakdown or flashover	Apply DC voltage according to the electrical specification sheet for 1 minute continuously AC potential attention specifically specified in the list for 60 seconds
temperature coefficient Temperature Coefficient	MOF: ± 350 PPM/℃ Winding: -80-900PPM/℃	Experimental temperature: Room temperature 100 ℃ Test temperature: Indoors Temperature. 100 ℃
Moisture resistance load Humidity Load Life	± 5%	Temperature: 40 ± 2 ℃, relative humidity: 90-95%, 1 time the rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off) Rated voltage 1.5hr ON, 0.5hr OFF at 40 ± 2 ℃, 90-95&RH for 1000hr
Load life Load Life	± 5%	Temperature: 70 ± 2 ℃, 1 time of rated working voltage, time 1000 hours (1.5 hours on/0.5 hours off) Rated voltage 1.5hr ON, 0.5hr OFF at 70 ± 2 ℃ for 1000hr
Welding strength Terminal Strength	No lead detachment No evidence of mechanical damage or loose terminals	2.5 kg pulling force, lasting for 10 seconds 2.5Kg for 10 seconds
Solderability Solderability	More than 95% of the tin eating area At least 95% coverage	Soldering temperature: 235 ± 5 ℃, time: 2 ± 0.5 seconds 235 ± 5 ℃ for 2 ± 0.5 seconds

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