MZ11A Ceramic PTC Thermistor 75℃ 330 Ohm ±30% for Filament Preheating in Fluorescent Lamps
Price:
0.08USD/PC
MOQ:
1000PCS
Delivery Time:
10 workdays
Brand:
AMPFORT
Product Description
MZ11A Ceramic PTC Thermistor Overview
The MZ11A Ceramic PTC Thermistor with 75℃ switch temperature and 330 Ohm resistance provides reliable filament preheating for electronic ballasts and energy-saving lamps. This compact component enables cold startup systems to transition to preheat startup, extending lamp lifespan up to three times.
Key Features & Benefits
Small size with high voltage resistance capability
Long operational lifespan with low power consumption
Enables 0.4-2 second preheat time for lamp filaments
Extends service life of fluorescent lamps and energy-saving lamps
No circuit modification required for installation
Technical Specifications
Electrical Parameters
Rated Zero-power Resistance (R25): 100-1500Ω
Switch Temperature: 75℃ ±7℃
Breakdown Voltage: Up to 600V AC
Maximum Operating Current: 200mA
Resistance Tolerance: ±30%
Physical Dimensions
Dimension Reference Table
| Lead Shape | Dmax (mm) | Tmax (mm) | F±1 (mm) | d±0.05 (mm) |
|---|---|---|---|---|
| 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 Number Selection Guide
| No. | Part Number | Rated Resistance Rn(Ω) | Breakdown Voltage (VAC) | Max Current Imax(mA) | Switch Temp Tsw(℃) | Dimensions (mm) |
|---|---|---|---|---|---|---|
| 17 | MZ11A-75S331NU | 330±30% | 500 | 200 | 75±7 | |
| 18 | MZ11A-75S471NU | 470±30% | 500 | 200 | 75±7 | |
| 19 | MZ11A-75S681NU | 680±30% | 600 | 200 | 75±7 | |
| 20 | MZ11A-75S102NU | 1000±30% | 600 | 200 | 75±7 | |
| 21 | MZ11A-75S152NU | 1500±30% | 600 | 140 | 75±7 | |
| 22 | MZ11A-75S222NU | 2200±30% | 600 | 90 | 75±7 |
Additional PTC Thermistor Applications
Heating elements with automatic constant temperature control
Overcurrent and overheat protection switches
Temperature protection with precise control capabilities
Available temperature range: -40℃ to 320℃ with resistance values from 0.1Ω to 20kΩ and working voltages from 3V to 1000V.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang