Categories:horizontal cement wire wound fixed power resistors | 
•Features：
1.High performance by heating, low TCR, low noice, high load, high insulation voltage;
2.Using temperature:-55℃-+275℃
3.Resistance tolerance:±1%、±5%、10±%
Dimensions and Resistance range
| Power | Resistance | Dimension(mm) | Voltage(VAC) | |||||||
| L±1.5 | W±0.5 | H±0.5 | A±2.0 | B±2.0 | D±0.05 | Max working voltage | Max overload voltage | Insulation voltage | ||
| 5W | 0R1~500K | 22 | 9.5 | 9.5 | 30 | 30 | 0.78 | 150V | 250V | 1000V |
| 7W | 0R1~500K | 35 | 9.5 | 9.5 | 30 | 30 | 0.78 | 250V | 450V | 1000V |
| 10W | 0R1~500K | 48 | 9.5 | 9.5 | 30 | 30 | 0.78 | 350V | 450V | 1000V |
| 15W | 0R1~500K | 48 | 12.5 | 12.5 | 30 | 30 | 0.78 | 350V | 500V | 1000V |
| 20W | 0R1~500K | 63 | 16 | 12 | 30 | 30 | 0.78 | 350V | 500V | 1000V |
| 30W | 0R1~500K | 75 | 19.5 | 19.5 | 30 | 30 | 0.78 | 350V | 500V | 1000V |
| 50W | 0R1~500K | 90 | 19.5 | 19.5 | 30 | 30 | 0.78 | 350V | 500V | 1000V |
| 100W | 0R1~500K | 135 | 24 | 22 | 30 | 30 | 0.78 | 350V | 500V | 1000V |
•Rated Power Derating Curve
- Electronical performance:
|
Item |
Performance |
Standards |
|
Temperature coefficient |
Record the resistances in normal condition and high temperature condition, and the value is (R1-R0)/R0(T1-T0)*1,000,000 |
±350PPM/℃ |
|
Overload for short time |
Min(voltage of 10 times rated power, max overload voltage), for 5s |
△R≤±（2%R+0.05Ω） |
|
Soldering heat |
Put the tails into the tin of 350±10℃, for 3s |
△R≤±（1%R+0.05Ω） |
|
solderability |
Put the tails into the tin of 235±10℃, for 5s |
Coated area >95% |
|
Temperature variation |
step-1:-25℃ for 30min;Step-2:+25℃ for 15min;Step-3:+125℃ for 15min;step-4:+25℃ for 15min. Total 5 cycles. |
△R≤±（1%R+0.05Ω） |
|
Durability in humidity |
Temperature:40±2℃, humidity:90-95%, load the voltage[Min(rated voltage, max working voltage)] for 1000Hour(ON-60min, OFF-30min) |
△R≤±（5%R+0.05Ω） |
|
Humidity of rated power |
Temperatur:70±2℃, load the voltage[Min(rated voltage, max working voltage)] for 1000 Hours(ON-60min, OFF-30min) |
△R≤±（5%R+0.05Ω） |
|
Nonflamebility |
Load 16 times rated power to the resistors |
No fire |
- How to order:
| SQP | 10W | O | 100R | J |
| Type | Power | Special Code | Resistance | Tolerance |
| Cement resistor | 1W~200W | NULL | 0R1=0.1Ω 2R2=2.2Ω 10R=10Ω 10K=10,000Ω |
F=±1% G=±2% J=±5% k=±10% |