Guangdong South HongMing (HK) Electronic Science & Technology Co Ltd

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Power NTC

Production Lead Time:

7 day(s)

Model No.:

2.5D-15 NTC thermistor (Dia. 5 ~ 20mm) with UL/ CUL

Brand:

SHM

Colour:

Black

Size:

Dia. 5mm ~ 20mm

Port:

Hong Kong

Minimum Order Quantity:

1,000 piece(s)

Description

Contact Supplier

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restrainning.

Feature of Power Thermistor

Power NTC thermistors are in small size but with a high power that to restrain the
Surge current.
Power NTC thermistors possess the electronic character of fast reflection, high reliability and long-life for use.
The material has a high constant as “B value” with small remained resistance.
Power NTC thermistors have a large application range integrate products series.

Rage of Application

Switch mode power supply, Adapter.
Transformer, LED driver circuit.
Electronic rectifier, electronic heater.
Electric motor.
It has a protected function for RT , display, lighting device and circuit of different electronic equipment.

Certificates

Safety Approval Certificate: UL / CUL
Quality management system Certificates: ISO9001:2008
ISO14001:2004

Electrical Characteristics

Rated Zero-Power ResistanceRN (Ω) : 5±20% Ambient temp. Range:25℃±2℃(TA).
Testing voltage: 1.5VDC
After placing for 1~2 hours under TA, the resistance value shall be measured.
Thermal Dissipation Constant δ(mW/℃) : ≥15 , The thermal dissipation constant(δ) could be calculated by the ratio of a change in power dissipation(ΔP) of the thermistor to a change in temperature(ΔT) of the thermistor at a specified ambient temperature
Thermal Time Constant τ(s) : ≤68, The time(τ shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition
Material Constant B : 2700±10% B=T1T2/( T2- T1) ×Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
T1 = 298.15 K(25℃) T2 = 323.15 K(50℃)
Max.Steady State Current (A) : visible mechanical damage.
ΔRN / RN ≤20% (ΔR =∣RN-RN'∣), 25℃±2℃Ambient temp. Range, 5.0A Testing Current