Basic Info.
Model NO.
AMZ11-10P39RH265
Resistance
Sensitive Resistor
Function for Resistance
Protective Resistor
Installation
DIP Resistor
Material
Ceramic and Metal
Resistance change scale
Log Scale
Application
Motor Transformer Meter Equipment Power Supply
Product Description
- Silicon resin coated ceramic disk, green color
- Coated ceramic disk outer diameter D : 11mm max.
- Coated ceramic disk thickness T: 5.5mm max.
- 2 Tinned lead wire space F: 5.0± 1mm
- Pin wire diameter d: 0.6mm
- Pin wire length L: 25mm min.
- Ceramic body to kinked wire length H: 16mm max.
Features
- Application: Overcurrent protection, Overload, Short circuit protection.
- Best suited to meet the requirements for power supplies motor transformer protection.
- Error-free operations are assured by rush current.
- Circuit is protected until current is turned off.
- Restores the original low resistance value automatically once the overload is removed.
- Non-contact design leads to long life and no noise.
- Durable and strong against mechanical vibration and shock.
Electrical Specifications
- Resistance @25C R25 :39Ω +/- 25%
- Rated voltage (RMS) : 230 V
- Maximum operating voltage Vmax: 265 V
- Maximum withstanding voltage Vwith: 350 V
- Maximum permissible repetitive turn over current Imax: 1.2A
- Hold Current, Non-trip Current, at +25ºC : 130 mA
- Hold Current, Non-trip Current, at +60ºC: 100 mA
- PTC Thermistor Trip Current, Operating Current at +25ºC It : 250 mA
- Curie temperature (Switch temperature): 120±10 ºC
- Operating ambient temperature range (V=0): -40~+125C
- Operating ambient temperature range (V=Vmax) : 0~60C
Reliability Data
| Test Item | Standard | Test conditions | |ΔR25/R25| |
|---|
Electrical endurance,
cycling | IEC 60738-1 | Room temperature, 1.2A; 265V
Number of cycles: 100 | <25% |
|---|
Electrical endurance,
constant | IEC 60738-1 | storage at Voltage: 230V
Ambient temperature: +60C
Test duration: 1000 h | <25% |
|---|
| Damp heat | IEC 60738-1 | Temperature of air: 40ºC,
Relative humidity of air: 93%,
Duration: 56 days
Test according to IEC 60068-2-78 | <10% |
|---|
| Lead wire tensile | IEC60068-2-21 | Test Ua: pull strength 10N, 10 seconds,
Test Ub: bending 90°, pull strength 5N,
successively twice.
Test Uc: revolving 180°,
successively twice. | <20% |
|---|
Rapid change
of temperature | IEC 60738-1 | T1 = Top,min (0 V), T2 = Top,max (0 V)
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, test Na | <10% |
|---|
| Climatic sequence | IEC 60738-1 | Dry heat: T = Top,max (0 V)
Test duration: 16 h
Damp heat first cycle
Cold: T = Top,min (0 V)
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30 | <10% |
|---|
Packaging Information
Loose bulk, or Production tape package.
Current protection PTC thermistor Features
Ceramic PTC (positive temperature coefficient) thermistors are used instead of conventional fuses to protect load, such as motors, transformers, or electronic circuit, against overcurrent for circuit protection. PTC thermistor protector not only respond to inadmissibly high currents but also if a preset temperature limit is exceeded. PTC thermistor over-current protector limits the power dissipation of the whole circuit by increasing their resistance and thus reducing the current to a harmless residual value. In contrast to conventional fuses, PTC thermistor resettable fuses do not have to be replaced after elimination of the fault but resume their protective function immediately after a short cooling-down time.
Address:
11-502, Songpingshan, Langshan Road, North Area, Shenzhen High-Tech Industrial Park, Nanshan, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory
Business Range:
Service
Company Introduction:
AMWEI Sensor Co., Ltd., professional manufacturer of PTC & NTC thermistors (THERMally sensitive resistors) and thermistor temperature sensors probe. PTC (Positive Temperature Coefficient) thermistor for over-current & overload protection, telecom, lighting switching, temperature sensing & protection, self-regulation heating, motor starting. NTC (Negative Temperature Coefficient) thermistor application covers power thermistor for inrush current suppressing limiting, NTC thermistor for temperature measurement, indicator, temperature compensation, temperature control, in either radial leaded, axial leaded or surface mount configuration. Can also make custom thermistors assemblies and temperature probes, housed in either stainless steel, copper, plastic, teflon, aluminum, epoxy and heat shrinkable tubing, such as air/gas temperature sensors, surface temperature sensors and immersion temperature sensors, etc.
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