PTC Resettable Fuses

Manufacturer Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing

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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, 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 Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
PSR-28473-2

PSR-28473-2

PSR RESET FUSE

Littelfuse Inc.

8,709 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
NANOSMD380LR

NANOSMD380LR

PTC RESET FUSE 6V 3.8A 1206

Littelfuse Inc.

4,970 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-28455-2

PSR-28455-2

PSR RESET FUSE

Littelfuse Inc.

4,722 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-29054-2

PSR-29054-2

PSR RESET FUSE

Littelfuse Inc.

6,700 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
NANOSMD350LR-D-2

NANOSMD350LR-D-2

PTC RESET FUSE 12V 3.5A 1206

Littelfuse Inc.

9,334 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-28473-C-2

PSR-28473-C-2

PSR RESET FUSE

Littelfuse Inc.

8,571 -
RFQ

-

- * Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
PSR-27865-250

PSR-27865-250

FUSE PSR CHIP AMD

Littelfuse Inc.

4,855 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-27865-100

PSR-27865-100

FUSE PSR CHIP AMD

Littelfuse Inc.

4,563 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-27865-150

PSR-27865-150

FUSE PSR CHIP AMD

Littelfuse Inc.

6,250 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-27893

PSR-27893

FUSE PSR CHIP AMD

Littelfuse Inc.

7,560 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-28241-150

PSR-28241-150

FUSE PSR CHIP AMD

Littelfuse Inc.

9,050 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-28026

PSR-28026

FUSE PSR CHIP AMD

Littelfuse Inc.

4,571 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-28027

PSR-28027

FUSE PSR CHIP AMD

Littelfuse Inc.

9,706 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
PSR-28025

PSR-28025

FUSE PSR CHIP AMD

Littelfuse Inc.

8,818 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
LVR075S-240-2

LVR075S-240-2

PTC RESET FUSE 240V 750MA RADIAL

Littelfuse Inc.

4,973 -
RFQ
LVR075S-240-2

Datasheet

Radial, Disc PolySwitch® LVR Tape & Reel (TR) Active Polymeric 240V (265V Int) 750 mA 1.5 A 7.5 A 18 s 0.316 Ohms 0.839 Ohms - -20°C ~ 85°C - - - Through Hole 0.450" L x 0.189" W (11.43mm x 4.80mm) 0.921" (23.40mm) - 0.236" (6.00mm)
LVR075S-240-1

LVR075S-240-1

PTC RESET FUSE 240V 750MA RADIAL

Littelfuse Inc.

4,412 -
RFQ
LVR075S-240-1

Datasheet

- - Bulk Active - - - - - - - - - - - - - - - - - -
PSR-28875-2

PSR-28875-2

PTC RESET FUSE LOWRHO STRAP

Littelfuse Inc.

5,141 -
RFQ

-

- - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
MGP440ZRW-T03

MGP440ZRW-T03

PTC RESET FUSE LOWRHO STRAP

Littelfuse Inc.

2,470 -
RFQ

-

- - Bag Obsolete - - - - - - - - - - - - - - - - - -
MXP350

MXP350

PTC RESET FUSE LOWRHO STRAP

Littelfuse Inc.

2,929 -
RFQ

-

- - Bulk Obsolete - - - - - - - - - - - - - - - - - -
MGPR450ZKD-2

MGPR450ZKD-2

PTC RESET FUSE LOWRHO STRAP

Littelfuse Inc.

5,234 -
RFQ

-

- - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
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