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[China]
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Address: Building C, Xinmeijia Science and Technology Park, Chashan
Contact name:Andy Wu
Dongguan Tianrui Electronics Co., Ltd |
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MZ11A 330 OHM 30% 75 Deg 500V Ceramic Overheating PTC Filament Preheating PTC Thermistor
MZ11A Filament Preheating PTC Thermistor
1. Application
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.
2. Characteristics
Execution utilizing the characteristic of PTC material
Small size
High withstand voltage
Long life
Small power cost when normally workin
3. Part numbering
① Model
② Swith temperature: 50-50℃ 75-75℃ 85-85℃ 105-105℃ 120-120℃
③ Type code : S-Small type
A-Basic type
HV-High voltage type
B-Strengthen type BHV-Super strong type
④ Rated zero power resistance: 102-1000 Ohm
68R-68 Ohm
⑤ Resistance tolerance : N - ±30％, V - ±25％, M - ±20％, K - ±10％, X - else
⑥ Lead shape : U - In-formed S - Straight
A - Axis wind
4. Dimension (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 |
5. Main Technology Parameters
| 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 | |||||
| Dmax | 10mm |
| Hmax | 5mm |
| F | 5mm |
| d | Φ0.5mm |
| h | 4mm |
III Coating Of The PTC Thermistor MZ126A 12 OHM 30% 270V 2A
| Material | Color |
| □Phenolic Resin ■Silicone Resin | ■Green □Yellow □Black □Grey |
IV Electrical Performance Of The PTC Thermistor MZ126A 12 OHM 30% 270V 2A
| No. | Item | Requirements | Test condition and method |
| 5.1 | Nominal resistance value | 12Ω±30%3 | Under the condition of 25℃, the DC resistance value of the thermistor measured with sufficiently low power consumption. |
| 5.2 | Working current (No action current) | 25℃ /170mA 60℃ /130mA No action for 60 minutes | Connect an ammeter in series with the test loop, then keep the product at a specified temperature (25°C), apply a specified current (140mA) and voltage (220V), and observe the current change displayed by the ammeter within a specified time. |
| 5.3 | Operating current (Protection current) | 25℃ 340mA ＜300 seconds action | Connect an ammeter in series with the test circuit, then keep the product at a specified temperature (25°C), apply a specified current (340mA) and voltage (220V), and observe the current change displayed by the ammeter within a specified time. |
| 5.4 | Withstand current capability (Maximum current) | 2.0A ΔR/Rn≤20% | The power supply voltage is 220VAC, the current is 2.0A, and the power is turned on for one minute and the power is cut off for ten minutes. The resistance change rate does not exceed the requirements. |
| 5.5 | Withstand voltage | ≥270V ΔR/Rn≤20% | Apply the specified maximum voltage to the sample, and the resistance change rate does not exceed the specified value. |
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
Tel/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363
