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FEMTOASMDC005F-2: Compact and Precise PPTC Resettable Fuse for High-Reliability Circuit Protection
Release time：Jun 16, 2025
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As modern electronic systems become more compact and sophisticated, the need for reliable overcurrent protection in tight spaces has grown. The FEMTOASMDC005F-2, a Polymeric Positive Temperature Coefficient (PPTC) resettable fuse from Littelfuse, addresses these challenges with precision, miniaturization, and dependable fault protection. This device is ideal for portable electronics, telecom, industrial control, and computing applications.
 
Key Parameters
  • Hold Current (Ih): 0.05 A (50 mA)
  • Trip Current (It): 0.15 A
  • Maximum Voltage: 60 V
  • Maximum Time to Trip: 1.5 s at 0.15 A
  • Resistance (Typical): 6.3 Ω
  • Package: Surface Mount Device (SMD) – 0603 (1.6mm × 0.8mm)
  • Operating Temperature Range: –40°C to +85°C
  • RoHS & REACH Compliant: Yes
  • Resettable Functionality: Yes (self-healing polymer)
Features and Advantages
  • Miniature 0603 Footprint – Perfect for high-density PCB layouts where space is critical.
  • Resettable Design – Automatically resets after fault removal, reducing maintenance and improving device longevity.
  • Fast Response Time – Quickly reacts to overcurrent events, protecting sensitive electronics.
  • High Voltage Tolerance – Withstands up to 60V, suitable for telecom and industrial interfaces.
  • Lead-Free & Environmentally Friendly – RoHS compliant, halogen-free construction.
  • Reliable in Harsh Conditions – Wide operating temperature and high thermal stability.
Application Scenarios
  1. The FEMTOASMDC005F-2 is highly versatile and can be integrated across various application domains, including:
  2. Telecommunication Equipment
  3. Consumer Electronics
  4. Industrial Controls
  5. Computing Systems
  6. Medical Devices (Non-life support)
  7. IoT and Embedded Systems
Why Source FEMTOASMDC005F-2 from Sunether?
At Sunether, we combine industry experience with a global supply network to ensure you get the components you need — when you need them. When sourcing the FEMTOASMDC005F-2, here’s what sets Sunether apart:
  1. Available Inventory – We maintain stock-ready supply of FEMTOASMDC005F-2 for immediate order fulfillment.
  2. Highly Competitive Pricing – Our strategic sourcing and volume leverage allow us to offer cost-effective solutions.
  3. Rapid Global Delivery – With fast logistics and optimized packaging, your orders are shipped same or next day.
  4. 100% Genuine Parts – We ensure full traceability and quality assurance, so you can trust what’s on your BOM.
  5. Flexible Quantities – Whether you need a few prot
  6. Proven C – Our tfast replies, technic to streamli
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