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| Categories | NTC PTC Thermistors |
|---|---|
| Brand Name: | TIAN RUI |
| Model Number: | MZ126A |
| Certification: | ROHS |
| Place of Origin: | China |
| MOQ: | 1000pcs |
| Price: | Negotiable |
| Payment Terms: | T/T, Paypal, Mastercard, Wetern Union, Alipay, etc |
| Supply Ability: | 1000000PCS per Month |
| Delivery Time: | 5-7 work days |
| Packaging Details: | PE bag, Bulk |
| Part Name: | MZ126A PTC Thermistor |
| Dia Max: | 10mm |
| Resistance: | 12Ω±30% |
| Resin: | Silicone |
| Lead Spacing: | 5mm |
| Color: | Green |
| Lead Shape: | Side Bent |
| Withstand Current Capability: | 2A |
| Withstand Voltage: | 270V |
| Operating Current: | 25℃ 340mA ＜300 Seconds Action |
| Company Info. |
| Dongguan Tianrui Electronics Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Silicone Coated 10MM Positive Temperature Coefficient Resistor MZ126A 25C PTC Thermistor
1. Overall Dimension
| Dmax | 10mm |
| Hmax | 5mm |
| F | 5mm |
| d | Φ0.5mm |
| h | 4mm |
2. Coating
| Material | Color |
| □Phenolic Resin ■Silicone Resin | ■Green □Yellow □Black □Grey |
3. Lead Shape
In-forming ■Side Bent □Straight
4. Marking
PTC
MZ126A
5. Package
Bulk plastic bags for inner packaging
Carton for outer packaging
Electrical Performance of MZ126A PTC Thermistor
| 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. |
Working Principle of MZ126A PTC Thermistor
Connect the PTC thermistor in series in the load circuit. When the
circuit is in normal working condition, the current through the PTC
thermistor is less than the rated current. The PTC thermistor is in
the normal state and the resistance is small, which will not affect
the normality of the protected circuit. jobs. When the circuit
fails, the current greatly exceeds the rated current (2 times of
the normal working current), and the PTC thermistor suddenly heats
up, showing a high resistance state, so that the circuit is in a
relatively "off" state for protection purposes. When the fault is
removed, the PTC thermistor automatically returns to a low
impedance state and the circuit resumes normal operation.
Mechanical Behavior of MZ126A PTC Thermistor
| No. | Item | Test Method | Technical Requirements | ||||||||||
| 6.1 | Terminal strength | Experiment according to GB2423-29 u experiment | No mechanical damage | ||||||||||
| 6.2 | Vibration test | Vibration frequency is 10Hz-55 Hz-10 Hz; simple harmonic vibration with amplitude of 0.75. According to 4.16 in GB10193-88 | No mechanical damage | ||||||||||
| 6.3 | Solderability | According to GB2423-28 Test Ta, the welding bath method is used, the temperature is 230±5℃; the immersion time is 5±0.5 seconds; the immersion depth is 2±0.5mm. | There is at least 95% continuous new solder on the terminal | ||||||||||
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
Tel/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363
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