Surface Mount Schottky Barrier Rectifier FMS Formosa Microsemi FM540S-AL with 5 Ampere Current Rating
Product Overview
The FM540S-AL is a 5.0A Surface Mount Schottky Barrier Rectifier featuring a batch process design for excellent power dissipation, leading to better reverse leakage current and thermal resistance. Its low profile surface mount design optimizes board space, while offering high current capability and a low forward voltage drop. The device includes a guardring for overvoltage protection and ultra-high-speed switching. It is constructed with a silicon epitaxial planar chip and a metal silicon junction.
Product Attributes
- Brand: Formosa MS
- Origin: China (implied by contact info)
- Material: Epoxy:UL94-V0 rated flame retardant, Case: Molded plastic, Terminals: Solder plated
- Certifications: Solderable per MIL-STD-750, Method 2026, Lead-free parts meet environmental standards of MIL-STD-19500 /228, Suffix "-H" indicates Halogen free parts
- Color: Not specified
Technical Specifications
| Model | VRRM (V) | VRMS (V) | VR (V) | VF (V) @ IF | IO (A) | IFSM (A) | IR (mA) @ VR=40V | RJA (OC/W) | CJ (pF) @ f=1MHz, VR=4V | TSTG (OC) | TJ (OC) | Package | Marking Code |
| FM540S-AL | 40 | 28 | 40 | 0.5@IF=3A, 0.55@IF=5A | 5.0 | 80 (8.3ms single half sine-wave) | 0.5 (TYP.) | 250 (Junction to ambient) | 20 (TYP.) | -55 to +150 | -55 to +125 | DO-214AC / SMA-L | S54 |
2410121509_FMS-Formosa-Microsemi-FM540S-AL_C163772.pdf
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