330 OHM 30% 75 Deg 500V PTC Thermistor Ceramic Overheating PTC Thermal Protection
Resettable Ceramic PTC Thermistor 330 OHM 30% 75Deg 500V For Overheating Protection
I Description Of The Resettable Ceramic PTC Thermistor 330 OHM
It can be applied in the electronic ballast of kinds of fluorescent lamps and electronic energy-saving lamps. No necessity to modify the circuitry. If proper thermistor is parallel connected on the two ends of resonant capacitor of lamps,cold startup of electronic ballast and electronic energy-saving lamps will turn into the preheat startup which can make the preheat time reach 0.4-2sec and extend the life of service to three times of the primary.
II Product Features Of The Resettable Ceramic PTC Thermistor 330 OHM
Execution utilizing the characteristic of PTC material
Small size
High withstand voltage
Long life
Small power cost when normally working
III Dimension Of The Resettable Ceramic PTC Thermistor 330 OHM (unit:mm)
| Lead shape | Dmax | Tmax | F±1 | d±0.05 |
| S | 4 | 4.5 | 5 | 0.5 |
| L | 5 | 4.5 | 5 | 0.6 |
| A | 6 | 4.5 | 5 | 0.6 |
| HV | 6 | 5 | 5 | 0.6 |
| B | 8 | 4.5 | 5 | 0.6 |
| BHV | 8 | 5 | 5 | 0.6 |
| LB | 9 | 4.5 | 5 | 0.6 |
| M | 11.5 | 5 | 5 | 0.6 |
| SL | 14.5 | 5 | 7.5 | 0.8 |
| ML | 18.5 | 5 | 7.5 | 0.8 |
| ML | 21 | 5 | 7.5 | 0.8 |
IV Main Technology Parameters Of The Resettable Ceramic PTC Thermistor 330 OHM
| No. | Part Number | Rated Zero-power Resistance Rn(Ω) | Breakdown Voltage. (VAC) | Max Operating Current Imax(mA) | Switch Temperature Tsw(℃) | Dimension(mm) |
| Dmax | Tmax | d |
| 01 | MZ11A-50S68RNU | 68±30％ | 360 | 200 | 50±7 | 4 | 4.5 | 0.5 |
| 02 | MZ11A-50S101NU | 100±30％ | 400 |
| 03 | MZ11A-50S151NU | 150±30％ | 400 |
| 04 | MZ11A-50S221NU | 220±30％ | 500 |
| 05 | MZ11A-50S331NU | 330±30％ | 600 |
| 06 | MZ11A-50S471NU | 470±30％ | 600 |
| 07 | MZ11A-50S681NU | 680±30％ | 600 |
| 08 | MZ11A-50S102NU | 1000±30％ | 600 |
| 09 | MZ11A-50S152NU | 1500±30％ | 600 | 140 |
| 10 | MZ11A-50S222NU | 2200±30％ | 600 | 90 |
| 11 | MZ11A-50S332NU | 3300±30％ | 600 | 60 |
| 12 | MZ11A-50S472NU | 4700±30％ | 600 | 40 |
| 13 | MZ11A-75S68RNU | 68±30％ | 360 | 200 | 75±7 |
| 14 | MZ11A-75S101NU | 100±30％ | 400 |
| 15 | MZ11A-75S151NU | 150±30％ | 400 |
| 16 | MZ11A-75S221NU | 220±30％ | 500 |
| 17 | MZ11A-75S331NU | 330±30％ | 500 |
| 18 | MZ11A-75S471NU | 470±30％ | 500 |
| 19 | MZ11A-75S681NU | 680±30％ | 600 |
| 20 | MZ11A-75S102NU | 1000±30％ | 600 |
| 21 | MZ11A-75S152NU | 1500±30％ | 600 | 140 |
| 22 | MZ11A-75S222NU | 2200±30％ | 600 | 90 |
| 23 | MZ11A-75S332NU | 3300±30％ | 600 | 60 |
| 24 | MZ11A-75S472NU | 4700±30％ | 600 | 40 |
| 25 | MZ11A-105S68RNU | 68±30％ | 360 | 180 | 105±7 |
| 26 | MZ11A-105S101NU | 100±30％ | 400 |
| 27 | MZ11A-105S151NU | 150±30％ | 400 |
| 28 | MZ11A-105S221NU | 220±30％ | 400 |
| 29 | MZ11A-105S331NU | 330±30％ | 500 |
| 30 | MZ11A-105S471NU | 470±30％ | 500 |
| 31 | MZ11A-105S681NU | 680±30％ | 600 |
| 32 | MZ11A-105S102NU | 1000±30％ | 600 |
| 33 | MZ11A-105S152NU | 1500±30％ | 600 | 140 |
| 34 | MZ11A-105S222NU | 2200±30％ | 600 | 90 |
| 35 | MZ11A-120S68RNU | 68±30％ | 360 | 180 | 120±7 |
| 36 | MZ11A-120S101NU | 100±30％ | 400 |
| 37 | MZ11A-120S151NU | 150±30％ | 400 |
| 38 | MZ11A-120S221NU | 220±30％ | 400 |
| 39 | MZ11A-120S331NU | 330±30％ | 500 |
| 40 | MZ11A-120S471NU | 470±30％ | 500 |
| 41 | MZ11A-120S681NU | 680±30％ | 600 |
| 42 | MZ11A-120S102NU | 1000±30％ | 600 |
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