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MF-LSMF300/24X-2 Polymeric PTC resettable fuse rated for 24V max and 3A hold current in a 2920 surface mount package. AEC-Q200 qualified for automotive applications.
Mfr Part #:

MF-LSMF300/24X-2

Available from 4 distributors
Mfr Name: Bourns
Bourns
Polymeric PTC resettable fuse rated for 24V max and 3A hold current in a 2920 surface mount package. AEC-Q200 qualified for automotive applications.
✓ Total Stock: 88,962 pcs
$ Price Range: $0.50 - $1.02

MF-LSMF300/24X-2 Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
84,000 pcs
On Request
84000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
4,030 pcs
On Request
4030 pcs On Request 1 On Request On Request On Request On Request On Request
Husky International Electronic ✓
Non-Authorised Inventory information
877 pcs
On Request
877 pcs On Request 1 On Request On Request N/A On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
55 pcs
On Request
55 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MF-LSMF300/24X-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Industrial Grade
Length
Mounting Type
Operating Temperature
Ratings
Resistance
SVHC Present
Tape & Reel
Thickness (Max)
Time to Trip
Type
Voltage
Width
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MF-LSMF300/24X-2 Description

Short technical summary and product information.

The Bourns MF-LSMF300/24X-2 is a polymeric PTC resettable fuse from the MF-LSMF series. It is designed for overcurrent protection in a standard 2920 (7351 Metric) surface mount footprint.

 

Electrical characteristics include a maximum voltage of 24V, a maximum fault current of 40A, a hold current of 3A, and a trip current of 5.2A. Initial resistance is 15 mΩ, and post-trip resistance is 75 mΩ. The time to trip is 8 seconds at 5.2A, with a tripped power dissipation of 1.5W.

 

This component is RoHS compliant and halogen free, and it is AEC-Q200 qualified, making it suitable for automotive environments. The operating temperature range is -40°C to 85°C.

 

Dimensions are 7.36mm length, 5.12mm width, and 1.6mm maximum thickness. The symmetric low-profile design and ENIG terminals provide excellent solderability.

MF-LSMF300/24X-2 Quick Information

Product Type: PTC Resettable Fuse
Series: MF-LSMF
Canonical Name: Bourns MF-LSMF300/24X-2 Polymeric PTC Resettable Fuse
Subcategory: Surface Mount PTC

MF-LSMF300/24X-2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MF-LSMF300/24X-2 Estimated Pricing

Qty Low High
1+ $1.02 $1.02
10+ $0.76 $0.76
50+ $0.58 $0.58
100+ $0.56 $0.56
200+ $0.51 $0.51
500+ $0.50 $0.50
4,000+ $0.50 $0.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

MF-LSMF300/24X-2 Features

  • Polymeric PTC resettable fuse in 2920 package.
  • Rated for 24V max voltage and 3A hold current.
  • AEC-Q200 qualified for automotive applications.
  • RoHS compliant and halogen free.
  • Surface mount with 1.5W power dissipation.

MF-LSMF300/24X-2 Applications

  • Overcurrent protection in automotive electronics.
  • Ideal for power supply and battery circuits.
  • Use in industrial control systems.
  • Suitable for telecom and networking equipment.

MF-LSMF300/24X-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the hold current rating of this PTC fuse?

The hold current is 3 amps.

What is the maximum voltage rating?

The maximum voltage is 24 volts.

What is the trip current?

The trip current is 5.2 amps.

What is the package size?

The package is 2920 (7351 Metric) surface mount.

What is the time to trip at 5.2A?

The time to trip is 8 seconds per the datasheet.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is this fuse AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified.

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