FMS Formosa Microsemi US1G Rectifier with Low Reverse Leakage and Automated Placement Friendly Design
Formosa MS US1A THRU US1M Surface Mount High Efficiency Rectifier
This series of 1.0A Surface Mount High Efficiency Rectifiers, ranging from 50V to 1000V, features ultra-fast switching for high efficiency. They are designed for surface mounted applications with low reverse leakage, built-in strain relief for automated placement, and high forward surge current capability. High temperature soldering is guaranteed at 250 C/10 seconds at terminals. The plastic package carries Underwriters Laboratory Flammability Classification 94V-0.
Product Attributes
- Brand: Formosa MS
- Origin: Taiwan (implied by FAX number format and company name)
- Material: Molded plastic body (JEDEC DO-214AC)
- Color: Not specified
- Certifications: Underwriters Laboratory Flammability Classification 94V-0, RoHS Directive 2011/65/EU
Technical Specifications
| Model | VRRM (V) | VRMS (V) | VR (V) | VF (V) @ IF=1.0A | trr (ns) @ IF=0.5A, IR=1.0A, IRR=0.25A | TJ (OC) |
| US1A | 50 | 35 | 50 | 1.0 | 50 | -55 to +125 |
| US1B | 100 | 70 | 100 | 1.0 | 50 | -55 to +125 |
| US1D | 200 | 140 | 200 | 1.0 | 50 | -55 to +125 |
| US1G | 400 | 280 | 400 | 1.0 | 100 | -55 to +125 |
| US1J | 600 | 420 | 600 | 1.0 | 200 | -55 to +125 |
| US1K | 800 | 560 | 800 | 1.0 | 400 | -55 to +125 |
| US1M | 1000 | 700 | 1000 | 1.0 | 600 | -55 to +125 |
Electrical Characteristics
| PARAMETER | CONDITIONS | Symbol | MIN. | TYP. | MAX. | UNIT |
| Forward rectified current | See Fig.2 8.3ms single half sine-wave (JEDEC methode) | IO | 50 | A | ||
| Forward surge current | 8.3ms single half sine-wave (JEDEC methode) | IFSM | 30 | A | ||
| Reverse current | VR = VRRM, TJ = 25 OC | IR | 1.0 | A | ||
| Reverse current | VR = VRRM, TJ = 100 OC | IR | 50 | A | ||
| Thermal resistance | Junction to ambient | RJA | 15 | OC/W | ||
| Diode junction capacitance | f=1MHz and applied 4V DC reverse voltage | CJ | 50 | pF | ||
| Storage temperature | TSTG | -65 | +125 | OC |
2410121452_FMS-Formosa-Microsemi-US1G_C163791.pdf
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