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Inrush Current Limiters In Switching Power Supplies

Categories NTC thermistor
Place of Origin: China
Brand Name: HEL
Model Number: MF72 NTC thermistor
Certification: UL, CQC
Packaging Details: Bulk
Delivery Time: 7 days after the payment received
Payment Terms: T/T, L/C
Supply Ability: 1000000pcs/month
MOQ: 10000pcs
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Inrush Current Limiters In Switching Power Supplies

Inrush current limiter

1.Speed response to surge current

2.Big material constant

3.Wide range of current

4.UL, CQC approvals

Inrush current limiter NTC thermistor

The NTC thermistor inrush current limiter (MF72 power NTC thermistor) is a device for suppressing inrush current to an electric circuit. Circuits including electric bulbs or capacitors induce a inrush current more than 100 times the normal current when the circuit switch is turned on. The NTC thermistor inrush current limiter in the circuits protects electric equipments from being damaged by limiting the inrush current.

Part number


8 = Rated zero-power Resistance

D = Disk type

13 = Max.Diameter of Chip


Manufacturer: HEL

Description: NTC Thermistor, inrush current limiter

Category: Circuit protection

ROHS state: ROHS compliant

Zero power resistance (R25): 1.3~200ohm

Thermistor tolerance: +/-20%

Current rating: 0.1~7A

Thermal dissipation constant: 6~25Mw

Thermal time constant: 20~113s

Residual resistance: 0.68ohm

Operating temperature range: -55~+200

Mounting: Through hol

Diameter: 5~20mm

Terminal style: Kinked lead

Pin count: 2

Lead spacing: 7.5mm

Packaging: Bulk (bag)

Thermistor type: NTC (negative temperature coefficient)

Application: Switch mode power supply, ballast, energy saving lamps etc.


Compele series of MF72 power ntc thermistor are supplied

Free samples can be sent by request

Passed UL, CQC certificates

Can be arranged for shipment within 7 days

Quick response time

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