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Littelfuse 0603L050YR Resettable PTC

The 0603L Series Polyfuse® resettable PTCs are surface-mount devices designed for overcurrent protection in space-constrained applications. They feature RoHS compliance, halogen-free construction, and quick fault response. Suitable for protecting USB peripherals, PDAs, disk drives, game consoles, and motherboards, these compact, reliable components pass high current limits and reset automatically after fault conditions. They meet strict environmental standards and can withstand thermal shocks, humidity, and vibrations, making them ideal for durable, plug-and-play electronic protection solutions.

Authorized Distributors
Source:Newark
Part No:0603L050YR
Stock:4429
Inv Date:05-28-2026
Price: Unit price: $1.44
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Source:DigiKey
Part No:0603L050YR
Stock:38
Inv Date:05-28-2026
Price: Unit price: $0.45475
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Part No:0603L050YR
Stock:3884
Inv Date:05-29-2026
Price: Unit price: $1.12
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Part No:0603L050YR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.35
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Part No:0603L050YR
Stock:3550
Inv Date:05-28-2026
Price: Unit price: $1.08
Buy/RFQ:
Part No:0603L050YR
Stock:3550
Inv Date:05-28-2026
Price: Unit price: $1.08
Buy/RFQ:
Part No:0603L050YR
Stock:12000
Inv Date:05-28-2026
Price: Unit price: $1.1
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Part No:0603L050YR
Stock:574
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0603L050YR Resettable PTC Specifications:

  • Device Size: 0603
  • Hold Current: varies by model, e.g., 0.13A to 0.47A
  • Trip Current: varies by model, e.g., 0.12A to 0.47A
  • Maximum Voltage (V ac): e.g., 40V or 60V depending on model
  • Maximum Fault Current: specified per model, e.g., 0.5A to 8A
  • Power Dissipation: Not specified, but designed for low power loss in resettable protection
  • Resistance (initial): 0.05Ω to 0.47Ω, depending on model
  • Resistance (after trip): up to 160Ω
  • Environmental Resistance: Humidity aging, thermal shock, solvent, vibration tested
  • Reflow Compatible: Yes, with specified profile for lead-free soldering
  • RoHS & Halogen Free: Yes, compliant since 2009/2010
  • Temperature Range: -40°C to +85°C, with temperature deratings

Buy the Littelfuse 0603L – Reliable Overcurrent Protection for Industrial Applications

Secure reliable protection for your electronic projects with the Littelfuse 0603L Series resettable PTCs. These compact, RoHS-compliant devices offer fast fault response and automatic reset, making them ideal for protecting USB peripherals, disk drives, motherboards, and consumer electronics. Designed for surface-mount applications, they withstand high currents and environmental stresses like humidity, vibration, and thermal cycling. Choose these halogen-free PTCs for durable, space-efficient circuit protection that ensures safety and longevity in demanding industrial and consumer devices.

Order your Littelfuse Series 0603L resettable PTC today and enhance your electronic device protection with dependable, space-saving overcurrent solutions.

Frequently Asked Questions

Where can I buy Littelfuse 0603L050YR?

You can click on the BUY or RFQ button to purchase 0603L050YR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0603L050YR?

You can download the 0603L050YR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0603L050YR?

Littelfuse

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