Copper-Pin Cement Resistor
Factory Direct · Copper-Pin Cement Resistor
Moisture- and heat-resistant; good thermal dissipation
Excellent heat resistance, low resistance TCR
The cement resistor has excellent heat resistance and low resistance TCR; built using a porcelain-rod wirewound process for accurate, stable resistance and good thermal dissipation, AvailableeffectivelyextendsProductservice life.
Ceramic enclosure potted with refractory cement
Features include moisture resistance, heat resistance and good thermal dissipation.
Dimensions
| Power | Resistance Range Resistance | L±1.5 | W±1.5 | H±1.5 | d±0.05 | C±3 |
|---|---|---|---|---|---|---|
| 1W | 0.1R-1M | 14 | 6.5 | 5.5 | 0.5 | 20 |
| 2W | 0.1R-1M | 18 | 7 | 7.5 | 0.6 | 20 |
| 3W | 0.1R-1M | 22 | 8 | 8 | 0.6 | 20 |
| 5W | 0.1R-1M | 22 | 10 | 9 | 0.7 | 22 |
| 7W | 0.1R-1K | 35 | 10 | 9 | 0.7 | 25 |
| 10W | 0.1R-1K | 48 | 10 | 9 | 0.7 | 25 |
| 15W | 0.1R-1K | 48 | 12.5 | 11.5 | 0.7 | 25 |
| 20W | 0.1R-1K | 60 | 14 | 13.5 | 0.7 | 25 |
| 30W | 0.1R-1K | 75 | 19 | 17 | 0.7 | 30 |
| 50W | 0.1R-1K | 87 | 19 | 17 | 0.7 | 30 |
| 100W | 0.1R-1K | 135 | 25 | 20 | 0.7 | 40 |
Rated Power Derating Curve
Electrical Characteristics
| Test Item | Performance Requirement | Test Method |
|---|---|---|
| TCR | ±300ppm/℃ | JIS-S-5202 5.2 |
| Short-Time Overload | ΔR ≤ ±(2%R0+0.05Ω) | JIS-S-5202 5.5 |
| Nonflammability | No visible flame | JIS-S-5202 4.2 |
| Solderability | Solder coverage ≥95% | JIS-S-5202 6.5 |
| Load Life | ΔR ≤ ±(5%R0+0.1Ω) | JIS-S-5202 7.1 |
| Humidity Life | ΔR ≤ ±(5%R0+0.1Ω) | JIS-S-5202 7.9 |
48-Hour Free Samples
Free samples for standard parts — shipped within 2 business days.
Custom to Drawing
Drawing- and spec-based customization. Engineer responds within 24 hours.
Volume Discounts
Factory-direct supply at scale — direct manufacturer pricing.
Worry-Free After-Sales
12-month warranty with a dedicated team for technical issues.
Customization Process
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Specify Requirements
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Get a Quote
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Place Order
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Production
Manufacturing and quality inspection
Ship
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Delivery
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Other products in the Cement Resistors series
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Frequently asked questions
Is a free sample available for this product?
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Sample Request
Standard samples are provided free of charge in reasonable quantities (shipped within 2–3 business days). Custom samples are delivered within 2–4 weeks. Please use the form on the right to tell us:
- Company and contact details
- Target part number or key specs (power / resistance / package)
- Application scenario and estimated annual volume
- Shipping address and expected delivery date