Non-inductive Dual Ceramic Cement Fixed Resistors,5W 0.22 Ohm+5W 0.22 Ohm
Structure:
1.ZENITHSUN cement resistors are made by winding resistance wires around non-alkaline ceramic core,which is added with a layer of heat and humidity resistant and non-corrosive protective material.
2.The wire wound resistor is then placed in a square ceramic package sealed with special nonflammable heat-resistant cement.
3.For high resistance value,wires are replaced by metal oxide films.
4.Charging resistor is designed to charge the energy storage capacitor slowly when the frequency converter is just powered on,which is also called buffer resistor.
5.Metal Plate Non-inductive Ceramic Resistors, is also called MPR (In America),BPR (In Janpan),SLR(In Europe).
6.Power:2W, 3W ,5W, 7W, 10W, 2W+2W, 3W+3W, 5W+5W, 7W+7W.
Features:
1.Good heat-durability,low temperature coefficient, low noise,high overload power.
2.ZENITHSUN is equipped to design and produce custom components to meet many design and reliability demands.
3.Contact us with your specific needs.
4.Conforms to the ROHS standard and the LEAD-FREE non-lead standard.
Specification:
| Performance Charactertics | |
| Test | Conditions of Test | Testing Results |
| Resistance Tolerance | Testing Voltage ≤3V,Ambient Temperature 25℃ | ±1％,±5％,±10％ |
| Temperature Coefficients | R0:Room Temperature(T0)Resistance Value
R1:Room Temperature T0+100℃(T1)Resistance Value | ±300PPM/℃ Max |
| Insulation Voltage | 1KV DC 60s | No flashover, no damage |
| Insulation Resistance | 500V DC | 1000MΩ1Min |
| Short Time Overload | 10 times rated power for 5s(KN);2.5 rated power for 5s(MO)
| △R≤±(2％+0.1Ω) |
| Humidity Resistance | Temp.:40±2℃ ,Humidity: 90％-95％.1000hours | △R≤±(2％+0.1Ω) |
| Load Life |
Temp.:40±2℃ ,Humidity: 90％-95％,rated voltage 1.5hours
30 min "Off" ,continuous 1000hours
| △R≤±(5％+0.1Ω) |
| Heat Resistance | Tin Temp.:350±10℃,time::3±0.5s,immersion depth:distance from component body 2±0.5mm | △R≤±(1％+0.05Ω) |
| Solderability | Tin Temp.:235±5℃,time::3±0.5s | Solder area≥95% |
| Non-flammability | 5times/10 times/16 times rated power, AC voltage for 5mins | without combustion,open circuit allowed |
Applications:
Widely used in the TV,Monitor,PC beside equipment,Auto Control System,High Class Audio Circuit.
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