Dongguan Linkun Electronic Technology Co., Ltd.
Dongguan Linkun Electronic Technology Co., Ltd.
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Low Resistance PPTC Thermistor Lead-Free And Compliant With The European Union RoHS Directive
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.
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 | |
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.
Applications:
1).Overcurrent and overtemperature protection of automotive electronics
2). Hard disk drives
3). PC motherboards
4). PC peripherals
5). Point-of-sale (POS) equipment
6). PCMCIA cards
7). USB port protection - USB 2.0, 3.0 & OTG
8). HDMI 1.4 Source protection
9). Computers&peripherals
| 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 |
Frequently Asked Questions
| Questions | Answers | |
| 1 | What is the MOQ? | 5000 pcs. |
| 2 | Can you accept special requirement? | Yes, we can. We are able to provide OEM & ODM service. |
| 3 | Can we order some samples before MOQ? | Yes, you can. Free samples are available but you should pay for the delivery. |
| 4 | How do you pack the heating elements? | Commercial package: plastic bag + cystosepiment +carton |
| 5 | What is the general transaction process? | Please refer to the process chart below. |