Smaller Size Polymer PPTC Thermistor Saves Board Space And Cost Low Resistance
The resistance-temperature characteristics of the thermistor can be approximately expressed by the following formula: R=R0exp{B(1/T-1/T0)}: R: resistance value at temperature T(K), Ro: temperature T0, ( K) resistance value, B:B value, *T(K)=t(ºC)+273.15. In fact, the B value of the thermistor is not constant, and its variation varies depending on the material composition, and the maximum can even reach 5K/°C. Therefore, when formula 1 is applied in a larger temperature range, there will be a certain error between the measured value and the actual value. Here, if the value of B in Equation 1 is calculated as a function of temperature shown in Equation 2, the error between the measured value and the actual value can be reduced, and it can be considered to be approximately equal.
Features
1 Easy to set up with safety and stability.
2 Smaller size that saves board space and cost.
3 Resettable circuit protection.
4 Fast time-to-trip.
5 Low resistance.
6 Lead-free and compliant with the European Union RoHS Directive.
PTC Thermistor for Overload Over-current Protection 265V/250V Series Data
Part number | Resistance @25C R25 (OHM) | Non-trip current Int(mA) | Trip current @25C It (mA) | Max. operating voltage Vmax (V) | Max. current Imax (A) | Reference temperature Tref (Centigrade) | Dimension (mm) | |||
@25C | @60C | Dmax | Tmax | Φd | ||||||
MZ11-20P3R7H265 | 3.7 ohm | 530mA | 430mA | 1050mA | 265V | 4.3A | 120C | 22.0 | 5.0 | 0.6 |
MZ11-16P6R0H265 | 6.0 ohm | 390mA | 300mA | 780mA | 265V | 3.1A | 17.5 | 5.0 | 0.6 | |
MZ11-16P7R0H265 | 7.0 ohm | 350mA | 280mA | 700mA | 265V | 3.1A | 17.5 | 5.0 | 0.6 | |
MZ11-13P10RH265 | 10 ohm | 260mA | 200mA | 520mA | 265V | 1.8A | 14.0 | 5.0 | 0.6 | |
MZ11-13P12RH265 | 12 ohm | 225mA | 180mA | 450mA | 265V | 1.8A | 14.0 | 5.0 | 0.6 | |
MZ11-12P10RH265 | 10 ohm | 250mA | 200mA | 500mA | 265V | 1.8A | 13.5 | 5.0 | 0.6 | |
MZ11-12P101H265 | 100 ohm | 50mA | 40mA | 100mA | 265V | 1.8A | 13.5 | 5.0 | 0.6 | |
MZ11-10P15RH265 | 15 ohm | 180mA | 140mA | 350mA | 265V | 1.2A | 11.0 | 5.0 | 0.6 | |
MZ11-10P39RH265 | 39 ohm | 130mA | 100mA | 250mA | 265V | 1.2A | 11.0 | 5.0 | 0.6 | |
MZ11-08P15RH250 | 15 ohm | 150mA | 120mA | 300mA | 250V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08P25RH265 | 25 ohm | 130mA | 100mA | 250mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08P35RH265 | 35 ohm | 115mA | 90mA | 225mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08P45RH265 | 45 ohm | 105mA | 80mA | 200mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08P55RH265 | 55 ohm | 90mA | 70mA | 180mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-07P82RH265 | 82 ohm | 70mA | 50mA | 140mA | 265V | 0.6A | 8.0 | 5.0 | 0.6 | |
MZ11-07P56RH265 | 56 ohm | 90mA | 60mA | 175mA | 265V | 0.6A | 8.0 | 5.0 | 0.6 | |
MZ11-06P33RH250 | 33 ohm | 110mA | 85mA | 200mA | 250V | 0.4A | 7.0 | 4.5 | 0.6 | |
MZ11-05P70RH265 | 70 ohm | 65mA | 50mA | 130mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05P85RH265 | 85 ohm | 60mA | 45mA | 120mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05P39RH250 | 39 ohm | 80mA | 65mA | 160mA | 250V | 0.2A | 6.5 | 5.0 | 0.6 | |
MZ11-05P121H265 | 120 ohm | 45mA | 35mA | 90mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05P181H265 | 180 ohm | 40mA | 30mA | 80mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-04P70RH250 | 70 ohm | 50mA | 40mA | 100mA | 250V | 0.2A | 5.5 | 5.0 | 0.6 | |
MZ11-04P121H265 | 120 ohm | 40mA | 30mA | 80mA | 265V | 0.2A | 5.5 | 5.0 | 0.6 | |
MZ11-03P151H250 | 150 ohm | 40mA | 30mA | 75mA | 250V | 0.2A | 4.5 | 5.0 | 0.5 | |
MZ11-10N12RH250 | 12 ohm | 170mA | 130mA | 340mA | 250V | 1.2A | 100C | 11.0 | 5.0 | 0.6 |
MZ11-10N18RH265 | 18 ohm | 145mA | 110mA | 290mA | 265V | 1.2A | 11.0 | 5.0 | 0.6 | |
MZ11-10N22RH265 | 22 ohm | 125mA | 90mA | 250mA | 265V | 1.2A | 11.0 | 5.0 | 0.6 | |
MZ11-07N22RH250 | 22 ohm | 120mA | 90mA | 225mA | 250V | 0.5A | 8.0 | 5.0 | 0.6 | |
MZ11-05N151H265 | 150 ohm | 38mA | 30mA | 80mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05N301H265 | 300 ohm | 27mA | 20mA | 55mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05N601H265 | 600 ohm | 20mA | 15mA | 40mA | 265V | 0.2A | 6.5 | 5.0 | 0.6 | |
MZ11-05N102H265 | 1000 ohm | 15mA | 12mA | 30mA | 265V | 0.2A | 6.5 | 5.0 | 0.6 | |
MZ11-04N151H265 | 150 ohm | 36mA | 28mA | 80mA | 265V | 0.3 | 5.5 | 5.0 | 0.6 | |
MZ11-03N151H265 | 150 ohm | 33mA | 25mA | 65mA | 265V | 0.2A | 4.5 | 5.0 | 0.5 | |
MZ11-03N101H250 | 100 ohm | 40mA | 30mA | 80mA | 250V | 0.2A | 4.5 | 5.0 | 0.5 | |
MZ11-03N70RH250 | 70 ohm | 45mA | 35mA | 90mA | 250V | 0.1A | 4.5 | 5.0 | 0.5 | |
MZ11-08M12RH250 | 12 ohm | 120mA | 70mA | 220mA | 250V | 0.8A | 80C | 9.0 | 5.0 | 0.6 |
MZ11-08M25RH265 | 25 ohm | 85mA | 50mA | 170mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08M35RH265 | 35 ohm | 80mA | 50mA | 150mA | 265V | 0.8A | 9.0 | 5.0 | 0.6 | |
MZ11-08M50RH265 | 50 ohm | 60mA | 40mA | 120mA | 265V | 1.0A | 9.0 | 5.0 | 0.6 | |
MZ11-07M101H265 | 100 ohm | 50mA | 30mA | 100mA | 265V | 0.6A | 8.0 | 5.0 | 0.6 | |
MZ11-05M70RH250 | 70 ohm | 50mA | 30mA | 100mA | 250V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-05M121H265 | 120 ohm | 30mA | 20mA | 60mA | 265V | 0.3A | 6.5 | 5.0 | 0.6 | |
MZ11-03M101H250 | 100 ohm | 25mA | 18mA | 55mA | 250V | 0.2A | 4.5 | 5.0 | 0.5 | |
MZ11-03M151H265 | 150 ohm | 22mA | 15mA | 45mA | 265V | 0.2A | 4.5 | 5.0 | 0.5 |
Part No. | R25℃ (KΩ) | B(K) 25/50℃ | Rated Power @25℃(mW) | Dissipation Factor(δ) (mW/℃) | Thermal time Constant (S) |
TS502□3274A | 5.0 | 3274 | 10-20 | 2-4 | 5-20 |
TS502□3435B | 5.0 | 3435 | 10-20 | 2-4 | 5-20 |
TS502□3470A | 5.0 | 3470 | 10-20 | 2-4 | 5-20 |
TS502□3950A | 5.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS103□3274A | 10.0 | 3274 | 10-20 | 2-4 | 5-20 |
TS103□3435B | 10.0 | 3435 | 10-20 | 2-4 | 5-20 |
TS103□3470A | 10.0 | 3470 | 10-20 | 2-4 | 5-20 |
TS103□3950A | 10.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS103□4100A | 10.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS153□3950A | 15.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS153□4100A | 15.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS203□3950A | 20.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS203□4100A | 20.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS223□4200A | 22.0 | 4200 | 10-20 | 2-4 | 5-20 |
TS403□3928A | 40.0 | 3928 | 10-20 | 2-4 | 5-20 |
TS503□3950A | 50.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS503□4100A | 50.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS104□3950A | 100.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS104□4100A | 100.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS104□4400A | 100.0 | 4400 | 10-20 | 2-4 | 5-20 |
APPLICATION:
1. | switch power supply |
2. | transformer, adaptor, charger |
3. | electric coils, control panel |
4. | house appliance(A/C,micro oven) |
5. | electronic ciruit |
6. | instrument |