BOM Risk Notes
Confirm lifecycle status, required quantity, destination country, and acceptable alternates before locking the order.
Power & Circuit Protection
0603FF1.00-30R
Fast-acting surface mount fuse, 1A rated current, 32V DC/AC, very fast blow, 0603 SMD package.
Applications and Features
Primary Features
- Package: 0603 SMD
- Packaging: N/A
- RoHS: Compliant
Typical Applications
- Power & Circuit Protection related design scenarios
Product Overview
The Littelfuse 0603FF series are fast-acting surface mount fuses in the compact 0603 package, designed for overcurrent protection in portable electronics, IoT devices, and PCB power rails. Key Features: - Rated current: 1A - Rated voltage: 32V DC / 32V AC - Breaking capacity: 100A at 32V - Voltage drop: 110mV typical at rated current - Cold resistance: 0.11Ω typical - Package: 0603 SMD (1.6mm × 0.8mm) - Fast-acting (FF) characteristic - Operating temperature: -55°C to +125°C - AEC-Q200 qualified, RoHS compliant
Procurement Notes
Use this page as a sourcing reference. Final availability, MOQ, lead time, and compliance assumptions should be confirmed through RFQ before ordering this part.
Substitute Selection Notes
When the original MPN is constrained, compare package, ratings, tolerance, temperature range, and compliance status before approving an alternate.
Typical Use Cases
Suitable for BOM review, maintenance sourcing, prototype replenishment, production-gap purchasing, and alternative-part screening.
Full Parameter Table
| Attributes | Value |
|---|---|
| Package / Case | 0603 SMD |
| Operating Temperature | -55 to +125 °C |
| Breaking Capacity A | 100 |
| Cold Resistance Ohm | 0.11 |
| Rated Current A | 1 |
| Rated Voltage V | 32 |
| Type | Fast-Acting (FF) |