Products › Cement Resistors › Cement Resistors
Cement Resistors
- High power, low noise
- Excellent high-frequency performance
- Good heat & moisture resistance
- Excellent insulation, good flame resistance
- Excellent heat resistance
- TCR varies linearly
Applications: Industrial control (braking, load testing, burn-in, discharge, etc.)
Household appliances (central air conditioning, microwave ovens, induction cookers, etc.)
Dimensions & Specifications
Resistance Range
| Type | Resistance range |
|---|---|
| Wirewound | 0.05Ω ~ 2kΩ |
| Film type | 100Ω ~ 270kΩ |
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Performance Tests
| Test item | Technical requirement | Test conditions |
|---|---|---|
| Short-time overload | ±(1% + 0.05Ω) MAX | 10 × rated power for 5 seconds |
| Insulation resistance | ≥10GΩ | |
| Dielectric withstand voltage | No burning damage or insulation breakdown | Apply AC 1000V to each specification for 1 minute |
| Load life | ±(5% + 0.05Ω) MAX | At 70°C, apply rated voltage for 1.5 hours ON and 0.5 hour OFF, for 1000 hours |
| Moisture resistance under load | ±(5% + 0.05Ω) MAX | At 40°C and 95% RH, apply rated voltage for 1.5 hours ON and 0.5 hour OFF, for 1000 hours |
| Temperature rise | Temperature rise ≤250°C | Rated voltage / limiting voltage |
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Test standard: GB/T5729 (JIS5202)
CR-L
| Rated power | L | W | H | d |
|---|---|---|---|---|
| 2W | 18±1.0 | 7.0±1.0 | 7.0±1.0 | 0.60±0.1 |
| 3W | 22±1.0 | 8.0±1.0 | 8.0±1.0 | 0.70±0.1 |
| 5W | 22±1.0 | 9.5±1.0 | 9.5±1.0 | 0.75±0.1 |
| 7W | 35±1.5 | 9.5±1.0 | 9.5±1.0 | 0.75±0.1 |
| 10W | 48±1.5 | 9.5±1.0 | 9.5±1.0 | 0.75±0.1 |
| 15W | 48±1.5 | 13±1.2 | 13±1.2 | 0.75±0.1 |
| 20W | 60±2.0 | 13±1.2 | 13±1.2 | 0.75±0.1 |
| 30W | 75±2.5 | 19±1.2 | 17±1.2 | 0.75±0.1 |
| 40W | 89±2.5 | 19±1.2 | 19±1.2 | 0.75±0.1 |
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Dimensions in mm.
CR-M
| Rated power | L | H | W | d |
|---|---|---|---|---|
| 3W | 12.0±1.0 | 25.0±1.0 | 8.5±1.0 | 0.70±0.1 |
| 5W | 13.0±1.0 | 25.0±1.0 | 9.5±1.0 | 0.75±0.1 |
| 7W | 13.0±1.0 | 38.0±1.5 | 9.5±1.0 | 0.75±0.1 |
| 10W | 13.0±1.0 | 52.0±2.0 | 9.5±1.0 | 0.75±0.1 |
| 10W | 16.0±1.0 | 36.0±2.0 | 11.5±1.0 | 0.75±0.1 |
| 15W | 23.0±1.0 | 35.0±2.0 | 17.5±1.0 | 0.75±0.1 |
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Dimensions in mm.
CR-YA
| Rated power (W) | L | P | W1 | W2 | W3 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|
| 3 | 24±1.0 | 12±1.5 | 9.5±1 | 1.6±0.3 | 5±0.5 | 9.5±1 | 4.7±1 | 17±5 |
| 5 | 27±1.0 | 15±1.5 | 9.5±1 | 1.6±0.3 | 5±0.5 | 9.5±1 | 4.7±1 | 17±5 |
| 7 | 35±1.5 | 22.5±1.5 | 9.5±1 | 1.6±0.3 | 5±0.5 | 9.5±1 | 4.7±1 | 17±5 |
| 10 | 48±1.5 | 34±1.5 | 9.5±1 | 1.6±0.3 | 5±0.5 | 9.5±1 | 4.7±1 | 17±5 |
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Dimensions in mm.
CR-YB
| Rated power | L | P | W1 | W2 | W3 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|
| 15W | 48±1.5 | 32.5±1.5 | 12.5±1.5 | 2.7±1 | 2.7±0.5 | 12.5±1.5 | 15±3 | 32±2 |
| 20W | 63±2 | 44±1.5 | 12.5±1.5 | 2.7±1 | 2.7±0.5 | 12.5±1.5 | 15±3 | 32±2 |
| 30W | 75±2 | 55±1.5 | 19±1.5 | 2.7±1 | 2.7±0.5 | 19±1.5 | 15±3 | 38±2 |
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Dimensions in mm.
CR-YC
| Rated power | L | P | W1 | W2 | W3 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|
| 3W | 24±1.0 | 12±1.5 | 9.5±1 | 7.3±0.5 | 1.6±0.3 | 9.5±1 | 10±2 | 25±3 |
| 5W | 27±1.0 | 15±1.5 | 9.5±1 | 7.3±0.5 | 1.6±0.3 | 9.5±1 | 10±2 | 25±3 |
| 7W | 35±1.5 | 22.5±1.5 | 9.5±1 | 7.3±0.5 | 1.6±0.3 | 9.5±1 | 10±2 | 25±3 |
| 10W | 48±1.5 | 35±1.5 | 9.5±1 | 7.3±0.5 | 1.6±0.3 | 9.5±1 | 10±2 | 25±3 |
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Dimensions in mm.
CR-YD
| Rated power | L | P | W1 | W2 | W3 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|
| 10W | 48±1.5 | 34±1.5 | 9.5±1 | 7.5±0.5 | 1.6±0.3 | 9.5±1 | 25±3 | 39±5 |
| 15W | 48±1.5 | 32.5±1.5 | 12.5±1 | 10±0.5 | 3±0.5 | 12.5±1 | 30±3 | 47.5±5 |
| 20W | 63±2.0 | 44±1.5 | 12.5±1 | 10±0.5 | 3±0.5 | 12.5±1 | 30±3 | 47.5±5 |
| 30W | 75±2 | 55±2 | 19±1 | 10±0.5 | 5±0.5 | 19±1 | 30±3 | 50±5 |
| 40W | 90±2 | 70±2 | 19±1 | 10±0.5 | 5±0.5 | 20±1 | 30±3 | 50±5 |
| 50W | 90±2 | 70±2 | 19±1 | 10±0.5 | 5±0.5 | 20±1 | 30±3 | 50±5 |
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Dimensions in mm.
CR-YD1
| Rated power | L | P | W1 | W2 | W3 | W4 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|---|
| 15W | 48±1.5 | 32.5±1.5 | 12.5±1 | 2±0.3 | 5±0.5 | 10±1 | 12.5±1 | 30±3 | 47.5±5 |
| 20W | 63±2 | 44±1.5 | 12.5±1 | 2±0.3 | 5±0.5 | 10±1 | 12.5±1 | 30±3 | 47.5±5 |
| 30W | 75±2 | 55±2 | 19±1 | 2±0.3 | 5±0.5 | 10±1 | 19±1 | 30±3 | 50±5 |
| 40W | 90±2 | 70±2 | 19±1 | 2±0.3 | 5±0.5 | 10±1 | 20±1 | 30±3 | 50±5 |
| 50W | 90±2 | 70±2 | 19±1 | 2±0.3 | 5±0.5 | 10±1 | 20±1 | 30±3 | 50±5 |
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Dimensions in mm.
CR-YE
| Rated power | L | P | W1 | W2 | W3 | H1 | H2 | H3 |
|---|---|---|---|---|---|---|---|---|
| 3W | 24±1.0 | 12±1.5 | 9.5±1 | 3±0.3 | 7.4±0.5 | 9.5±1 | 25±1 | 4±1 |
| 5W | 27±1.0 | 15±1.5 | 9.5±1 | 3±0.3 | 7.4±0.5 | 9.5±1 | 25±1 | 4±1 |
| 7W | 35±1.5 | 22.5±1.5 | 9.5±1 | 3±0.3 | 7.4±0.5 | 9.5±1 | 25±1 | 4±1 |
| 10W | 48±1.5 | 35±1.5 | 9.5±1 | 3±0.3 | 7.4±0.5 | 9.5±1 | 25±1 | 4±1 |
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Dimensions in mm.
CR-YH
| Rated power (W) | L1 | L2 | W3 | P2 | P3 | t2 | h2 | W1 | W2 | H1 | H2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 48±1.5 | 23±1 | 12±1 | 6±1 | 8±1 | 0.6±0.1 | 4±0.5 | 9.5±1.0 | 5±1 | 9.5±1.0 | 6±1.6 |
| 15 | 48±1.5 | 23±1 | 12±1 | 7±1 | 8±1 | 0.8±0.1 | 4±0.5 | 12.5±1.2 | 6±1 | 12.5±1.2 | 7.5±2.0 |
| 20 | 63±2.0 | 23±1 | 12±1 | 7±1 | 10±1 | 0.8±0.1 | 4±0.5 | 12.5±1.2 | 6±1 | 12.5±1.2 | 7.5±2.0 |
| 30 | 75±2.5 | 39±1 | 18±1 | 9±1 | 10±1 | 0.8±0.1 | 4.2±0.5 | 19±1.5 | 7.5±1 | 19±1.5 | 10±2.0 |
| 40 | 88±2.5 | 29±1 | 18±1 | 9±1 | 10±1 | 0.8±0.1 | 4.2±0.5 | 19±1.5 | 7.5±1 | 19±1.5 | 10±2.0 |
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Dimensions in mm.
CR-V
| Rated power (W) | L1 | L2 | L3 | H1 | H2 | H3 | W1 | W2 | W3 |
|---|---|---|---|---|---|---|---|---|---|
| 5 | 31±1.0 | 5±0.5 | 4±0.5 | 1.5±0.3 | 11±2 | 9.5±1 | 9.5±1 | 1.5±0.3 | 11.5±1 |
| 7 | 49±1.5 | 10±1 | 4±0.5 | 1.5±0.3 | 11±2 | 9.5±1 | 9.5±1 | 1.5±0.3 | 11.5±1 |
| 10 | 62.5±2 | 10±1 | 4±0.5 | 1.5±0.3 | 11±2 | 9.5±1 | 9.5±1 | 1.5±0.3 | 11.5±1 |
| 15 | 63.5±2 | 10±1 | 4.5±0.5 | 2.5±0.3 | 14.5±2 | 13±1 | 13±1 | 2.5±0.5 | 15.5±1 |
| 20 | 75±2 | 10±1 | 4.5±0.5 | 2.50±0.3 | 17.5±2 | 13±1 | 13±1 | 2.5±0.5 | 15.5±1 |
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Dimensions in mm.
CR-MPR
| Rated power | L | H | W | d | P |
|---|---|---|---|---|---|
| 3W | 14±1.5 | 13±1.5 | 5±1.0 | 0.8±0.1 | 10±1 |
| 5W | 14±1.5 | 18±1.5 | 5±1.0 | 0.8±0.1 | 10±1 |
| 5W+5W | 26±1.5 | 18±1.5 | 5±1.0 | 0.8±0.1 | 10±1 |
| 7W+7W | 26±1.5 | 20±1.5 | 5±1.0 | 0.8±0.1 | 10±1 |
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Dimensions in mm.
If the rated voltage exceeds the maximum working voltage, use the maximum working voltage.
Electrical Characteristics
| Operating temperature range | Rated ambient temperature |
|---|---|
| −55°C ~ +155°C | 1W ~ 10W: 70°C; 15W ~ 40W: 25°C |
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Technical Details
Product Structure: Axial and Radial Types
- A: Ceramic case
- B: Resistor element
- C: Filler
Product Structure: Terminal Type
- A: Ceramic case
- B: Resistor element
- C: Filler
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