Inrush Current Limiters (ICL)

Manufacturer Series Packaging Product Status R @ 25°C Tolerance Current - Steady State Max R @ Current Diameter Lead Spacing Grade Qualification Approval Agency

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Inrush Current Limiters (ICL)

Inrush Current Limiters (ICL) are circuit protection components used to reduce high startup current when electronic equipment is first powered on. They help protect power supplies, rectifiers, capacitors, switches and downstream circuits from excessive current stress. They are widely used in power adapters, industrial power supplies, motor drives, chargers, LED lighting, consumer electronics, automation equipment and embedded systems.

This category includes NTC inrush current limiters, thermistor-based ICL components, power supply inrush limiters, motor startup current limiters and related overcurrent protection devices. These components are commonly selected based on resistance value, maximum steady-state current, energy rating, operating temperature, response behavior, package type and application requirements.

TomatoElec supplies original Inrush Current Limiters from recognized manufacturers such as TDK, EPCOS, Vishay, Murata, Amphenol, Ametherm, Littelfuse, Bourns, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status R @ 25°C Tolerance Current - Steady State Max R @ Current Diameter Lead Spacing Grade Qualification Approval Agency
ST2R503B

ST2R503B

ICL 2.5 OHM 20% 3A 15.24MM

Littelfuse Inc.

3,491 -
RFQ
ST2R503B

Datasheet

ST Bulk Obsolete 2.5 Ohms ±20% 3 A 150 mOhms 0.600" (15.24mm) 0.200" (5.08mm) - - -
ST2R507B

ST2R507B

ICL 2.5 OHM 20% 7A 17.78MM

Littelfuse Inc.

7,234 -
RFQ
ST2R507B

Datasheet

ST Bulk Obsolete 2.5 Ohms ±20% 7 A 50 mOhms 0.700" (17.78mm) 0.310" (7.87mm) - - -
ST5R002B

ST5R002B

ICL 5 OHM 20% 2A 15.24MM

Littelfuse Inc.

7,700 -
RFQ
ST5R002B

Datasheet

ST Bulk Obsolete 5 Ohms ±20% 2 A 400 mOhms 0.600" (15.24mm) 0.200" (5.08mm) - - -
ST5R005B

ST5R005B

ICL 5 OHM 20% 5A 17.14MM

Littelfuse Inc.

6,799 -
RFQ
ST5R005B

Datasheet

ST Bulk Obsolete 5 Ohms ±20% 5 A 100 mOhms 0.675" (17.14mm) 0.310" (7.87mm) - - -
ST7R004B

ST7R004B

ICL 7 OHM 20% 4A 15.24MM

Littelfuse Inc.

8,895 -
RFQ
ST7R004B

Datasheet

ST Bulk Obsolete 7 Ohms ±20% 4 A 200 mOhms 0.600" (15.24mm) 0.310" (7.87mm) - - -
NTL10-005L

NTL10-005L

ICL 5 OHM 15% 10A 20MM

YAGEO

6,077 -
RFQ
NTL10-005L

Datasheet

NT Box Obsolete 5 Ohms ±15% 10 A 68 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
SG339

SG339

ICL 12 OHM 10% 4A 12.7MM

Ametherm

9,702 -
RFQ
SG339

Datasheet

SURGE-GARD™ Bulk Active 12 Ohms ±10% 4 A 220 mOhms 0.500" (12.70mm) 0.350" (8.89mm) - - CSA, UR
SG331

SG331

ICL 5 OHM 15% 7A 15.24MM

Ametherm

4,278 -
RFQ
SG331

Datasheet

SURGE-GARD™ Bulk Active 5 Ohms ±15% 7 A 70 mOhms 0.600" (15.24mm) 0.310" (7.87mm) - - CSA, UR
SL15 40004-A

SL15 40004-A

ICL 40 OHM 20% 4A 16MM

Ametherm

6,287 -
RFQ
SL15 40004-A

Datasheet

SL15 Bulk Active 40 Ohms ±20% 4 A 300 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - UR
SL15 47003-A

SL15 47003-A

ICL 47 OHM 20% 3A 16MM

Ametherm

8,599 -
RFQ
SL15 47003-A

Datasheet

SL15 Bulk Active 47 Ohms ±20% 3 A 400 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - -
SL15 40004-B

SL15 40004-B

ICL 40 OHM 20% 4A 16MM

Ametherm

6,135 -
RFQ
SL15 40004-B

Datasheet

SL15 Bulk Active 40 Ohms ±20% 4 A 300 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - UR
SL15 47003-B

SL15 47003-B

ICL 47 OHM 20% 3A 16MM

Ametherm

2,879 -
RFQ
SL15 47003-B

Datasheet

SL15 Bulk Active 47 Ohms ±20% 3 A 400 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - -
SL18 16004

SL18 16004

ICL 16 OHM 20% 4A 19MM

Ametherm

9,992 -
RFQ
SL18 16004

Datasheet

SL18 Bulk Active 16 Ohms ±20% 4 A 270 mOhms 0.748" (19.00mm) 0.307" (7.80mm) - - -
SL15 60004-A

SL15 60004-A

ICL 60 OHM 20% 4A 16MM

Ametherm

7,321 -
RFQ
SL15 60004-A

Datasheet

SL15 Bulk Active 60 Ohms ±20% 4 A 730 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - UR
SL15 80002-A

SL15 80002-A

ICL 80 OHM 25% 2A 16MM

Ametherm

4,629 -
RFQ
SL15 80002-A

Datasheet

SL15 Bulk Active 80 Ohms ±25% 2 A 830 mOhms 0.630" (16.00mm) 0.307" (7.80mm) - - UR
N20SP007M

N20SP007M

ICL 7 OHM 20% 6A 20MM

YAGEO

7,182 -
RFQ
N20SP007M

Datasheet

SP Box Active 7 Ohms ±20% 6 A 156 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
N20SP004M

N20SP004M

ICL 4 OHM 20% 8A 20MM

YAGEO

4,024 -
RFQ
N20SP004M

Datasheet

SP Box Active 4 Ohms ±20% 8 A 87 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
N20SP004M-F

N20SP004M-F

ICL 4 OHM 20% 8A 20MM

YAGEO

4,576 -
RFQ
N20SP004M-F

Datasheet

SP Box Active 4 Ohms ±20% 8 A 87 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
N20SP008M

N20SP008M

ICL 8 OHM 20% 6A 20MM

YAGEO

8,806 -
RFQ
N20SP008M

Datasheet

SP Box Active 8 Ohms ±20% 6 A 157 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
NTL10-005M

NTL10-005M

ICL 5 OHM 20% 10A 20MM

YAGEO

4,302 -
RFQ
NTL10-005M

Datasheet

NT Box Active 5 Ohms ±20% 10 A 68 mOhms 0.787" (20.00mm) 0.295" (7.50mm) - - TUV, UL
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