Delay Start MZ11A Ceramic PTC Thermistor 75℃ 330 Ohm 30% For Filament Preheating
Why do we need MZ11A Ceramic PTC Thermistor ?
R25(Ω): 100～1500
[Product features] The product is small in size, high withstand voltage, long life, and low power consumption during normal operation
[Product use] Fluorescent lamp ballasts, electronic energy-saving lamps, etc.
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.
Features Of The MZ11A Ceramic PTC Thermistor
● Manufactured using the characteristics of material PTC.
● The product has small size and high voltage resistance.
● Long life, low power consumption during normal operation.
Dimension Of The MZ11A Ceramic PTC Thermistor (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 |
Part Numbering Of The MZ11A Ceramic PTC Thermistor
| 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 |
Do you have any other PTC Thermistor ?
1. As a ceramic PTC element for heating, it has the characteristics of automatic constant temperature, which can save a set of temperature control circuit;
2. As a ceramic PTC element for switch, it has overcurrent and overheat protection functions to avoid damage to electrical equipment, simple and reliable structure;
3. As a ceramic PTC element for temperature protection, it has a large resistance temperature coefficient near the temperature control point. A simple comparator circuit can be configured to achieve more accurate temperature control;
4. Wide adjustment range of switch temperature: -40℃～320℃;
5. High temperature coefficient of resistance: up to 40%/℃;
6. Large resistance value range: 0.1Ω～20kΩ
7. Large working voltage range: 3V～1000V
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Delay Start Ceramic PTC Thermistor 75C 330 Ohm 30% For Filament Preheating Images
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