Black Phenolic Resin Disc Type Power NTC Thermistor Thermal Resistor 22D-5 25D-5
Description Of The Thermal Resistor 22D-5
The MF72 power NTC thermistor is a kind of semiconductor ceramic element that mostly made from transition metal oxide material, and belongs to negative temperature thermistors. When you tune on an electrical equipment , the surge current can be restrained by a power NTC thermistor connected in series with the power circuit . Because of the continuing action of current, temperature of power NTC thermistor raising, the resistance will rapidly drop to a small value, the consumed power can be ignored. So it can not affect normal operating current. Therefore, using power NTC thermistor is a most effectively amd most brief measure to restrain surge current, protecting electrical equipment from destruction.
Features Of The Thermal Resistor 22D-5
* Small size , Strong power and strong capability of surge current protection.
* Fast response to surge current.
* Big material constant(B value),
* Small remain resistance
* Longevity of service
* High reliability
* Integral series
* Extensive operating range
* Silicon Epoxy Coating
* Copper Leads or CP wire
* RoHS Compliant
Application Of The Thermal Resistor 22D-5
* Power supplies and inverters
* Uninterruptible Power Supplies
* Energy saving lamps
* Electronic Ballasts
* Some types of heaters
Specification Of The Thermal Resistor 22D-5
| P/N | Rated zero power resistance
@25C(Ohm) | Max stable current
@25C(A) | Residual resistance
at max current
@25C(A) | B25/85(K) | Thermal time constant(s) | Dissipation factor(mw/C) | Certification | Operating temperature |
| 5D-5 | 5 | 1 | 0.584 | 2700 | ≤18 | ≥6 | -40~150 | CQC UL CUL TUV |
| 6D-5 | 6 | 0.7 | 0.675 | 2700 | ≥6 | -40~150 | TUV |
| 7D-5 | 7 | 0.7 | 0.766 | 2700 | ≥6 | -40~150 | TUV |
| 8D-5 | 5 | 0.7 | 0.857 | 2700 | ≥6 | -40~150 | TUV |
| 10D-5 | 10 | 0.7 | 1.039 | 2700 | ≥6 | -40~150 | CQC UL CUL TUV |
| 12D-5 | 12 | 0.6 | 1.235 | 2800 | ≥6 | -40~150 | TUV |
| 15D-5 | 15 | 0.6 | 1.530 | 2800 | ≥6 | -40~150 | CQC UL CUL TUV |
| 16D-5 | 16 | 0.6 | 1.628 | 2800 | ≥6 | -40~150 | TUV |
| 18D-5 | 18 | 0.6 | 1.824 | 2800 | ≥6 | -40~150 | TUV |
| 20D-5 | 20 | 0.6 | 2.020 | 2800 | ≥6 | -40~150 | CQC UL CUL TUV |
| 22D-5 | 22 | 0.6 | 2.060 | 2800 | ≥6 | -40~150 | CQC UL CUL TUV |
| 25D-5 | 25 | 0.5 | 2.123 | 2800 | ≥6 | -40~150 | TUV |
| 30D-5 | 30 | 0.5 | 2.227 | 2800 | ≥6 | -40~150 | CQC UL CUL TUV |
| 33D-5 | 33 | 0.5 | 2.436 | 2800 | ≥6 | -40~150 | CQC UL CUL TUV |
| 50D-5 | 50 | 0.4 | 2.653 | 3000 | ≥6 | -40~150 | CQC UL CUL TUV |
| 60D-5 | 60 | 0.3 | 2.753 | 3000 | ≥6 | -40~150 | CQC UL CUL TUV |
| 200D-5 | 200 | 0.1 | 18.7 | 3000 | ≥6 | -40~150 | UL |
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Black Phenolic Resin Disc Type Power NTC Thermistor Thermal Resistor 22D-5 25D-5 Images
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