Cement type resistors SQZ Features: 1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity. 2.Operating ambient temperature:-55℃~+275℃ 3.Resistance tolerance: ±1%,±2%,±5%,±10%.
Cement type resistors SQZ
Products | Cement type resistors SQZ | |||||||||||||||||||||||||||||||||
Features | 1.Good heat-durability, low temperature coefficient, low noise, high load power, high insulating capacity. | |||||||||||||||||||||||||||||||||
Power rated | 2W | 3W | 5W | 7W | 10W | 15W | 20W~25W | |||||||||||||||||||||||||||
Max. working voltage | 150V | 350V | 350V | 500V | 750V | 1000V | 100V | |||||||||||||||||||||||||||
Dielectric withstanding voltage | 1000V | 1000V | 1000V | 1000V | 1000V | 1000V | 1000V | |||||||||||||||||||||||||||
Resistance tolerance | J±5% | J±5% | J±5% | J±5% | J±5% | J±5% | J±5% | |||||||||||||||||||||||||||
Products | Dimensions(mm) | Resistance Range(Ω) |
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L±1.5 | W±1 | H±1.5 | P±1.5 | P1±0.2 | P2±0.2 | H1±2 | H2±1 | KN | MO |
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5W z-01 | 28 | 10 | 10 | 15 | 7 | 1.5 | 25 | 10.5 | 0.1-130 | 131-68K |
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7W z-01 | 36 | 10 | 10 | 20 | 7 | 1.5 | 25 | 10.5 | 0.1-600 | 601-68K |
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10W z-01 | 48 | 10 | 10 | 35 | 7 | 1.5 | 25 | 10.5 | 0.2-1K | 1K1-100K |
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10W z-03 | 48 | 10 | 10 | 35 | 7 | 1.5 | 40 | 25 | 0.2-1K | 1K1-100K |
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15W z-05 | 50 | 12.5 | 12 | 35 | 10 | 3 | 35 | 15.0 | 1-1K | 1K1-150K |
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20W~25w | 65 | 14 | 13 | 42 | 10 | 3 | 36 | 15.0 | 1-1K | 1K1-150K |
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Products(2 lead wires) | Dimensions(mm) | Resistance Range(Ω) |
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L±1.5 | W±1 | H±1.5 | P±1.5 | H1±0.5 | H2±0.5 | A±0.1 | B±0.1 | C±0.2 | KN | MO |
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5W z-02 | 28 | 10 | 10 | 15 | 10.5 | 4.5 | 1.5 | 3.5 | 7.5 | 0.1-130 | 131-68K |
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7W z-02 | 36 | 10 | 10 | 20 | 10.5 | 4.5 | 1.5 | 3.5 | 7.5 | 0.1-600 | 60Ω-68K |
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10W z-04 | 48 | 10 | 10 | 20 | 25 | 4.5 | 1.5 | 3.5 | 7.5 | 0.2-1K | 60Ω-68K |
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10W z-04 | 48 | 10 | 10 | 35 | 25 | 4.5 | 1.5 | 3.5 | 7.5 | 0.2-1K | 1K1-100K |
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15W z-06 | 50 | 12.5 | 12 | 35 | 28 | 4.5 | 2 | 5 | 10 | 1-1K | 1K1-150K |
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20W z-06 | 65 | 14 | 14 | 42 | 28 | 4.5 | 2 | 5 | 10 | 1-1K | 1K1-150K |
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25W z-06 | 65 | 14 | 14 | 42 | 28 | 4.5 | 2 | 5 | 10 | 1-1K | 1K1-150K |
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20W z-07 | 65 | 14 | 14 | 42 | 10 | 4.5 | 2 | 5 | 10 | 1-1K | 1K1-150K |
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25W z-07 | 65 | 14 | 14 | 42 | 10 | 4.5 | 2 | 5 | 10 | 1-1K | 1K1-150K |
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Cement Type Resistor (wire wound) | ||||||||||||||||||||||||||||||||||
Characteristics | Specifications | Test Method | ||||||||||||||||||||||||||||||||
DC ResistanceJIS-C-5202 5.1 | J ± 5% | At 25℃ | ||||||||||||||||||||||||||||||||
Dielectric withstanding voltage | 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 90o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds. | ||||||||||||||||||||||||||||||||
Insulation Resistance | 1000MΩ MIN | Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric. | ||||||||||||||||||||||||||||||||
Thermal Shock | ΔR≤±(2%R0+0.1Ω) | After application of rated power for 30 minutes, 30 minutes exposure to -30±5℃ ambient temperature. | ||||||||||||||||||||||||||||||||
Humidity | ΔR≤±(2%R0+0.1Ω) | Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40±2℃ and 90~95% relative humidity. | ||||||||||||||||||||||||||||||||
Cement Type Resistor (metal oxide film) | ||||||||||||||||||||||||||||||||||
Short time overload | ΔR≤±(2%R0+0.05Ω) | Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds. | ||||||||||||||||||||||||||||||||
Load Life | ΔR≤±(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℃±2℃. | ||||||||||||||||||||||||||||||||
Load Life in Humidity | ΔR≤±(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℃ and 90~95% relative humidity. | ||||||||||||||||||||||||||||||||
Solderability | 95% coverage MIN | Test temperature of solder:230±5℃ | ||||||||||||||||||||||||||||||||
Humidity | ΔR≤±(5%R0+0.1Ω) | Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40±2℃ and 90~95% relative humidity. | ||||||||||||||||||||||||||||||||
Resistance to Soldering Heat | ΔR≤±(1%R0+0.05Ω) | Immerge into the 350±10°C tin stove by3.2~4.8
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Nonflammability | Nonflammable | Load 5 min according to 5times, 10 times, 16 times rated power and A.C. respectively. | ||||||||||||||||||||||||||||||||
Notes | More details, please feel free to contact us. |
Derating Curve of Cement Type Resistors SQZ:
For resistors operated in ambient temperatures above 70 ℃,power rating must be derated in accordance with the curve below.
Surface Temperature Rise of Cement Type Resistors SQZ: