RMR-018 Series
- Small-sized isolation transformer
- SMD surface mount installation
- Isolation voltage: 5000VAC/1minute
- Operating temperature: -40~125°C
- Maximum product dimensions: 19.9mm × 9.5mm × 7.6mm
| Part Number | Isolation (kV) | Mounting Type | Topology | Primary Inductance (µH) | WindingTurnsRatio | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
|
RMR-018-F5AS-CT
Focus
New
| 7.07 | SMD | Full-Bridge | 108 | 2.56:1 |
|
|
)
|
||||
| 2 |
|
RMR-018-F5AS-R
Focus
New
| 7.07 | SMD | Full-Bridge | 108 | 2.56:1 |
|
|
)
|
| Attributes | RMR-018 |
|---|---|
| Product Category | TRANSFORMER |
| Isolation | Isolated |
| Vin (V) | 5 |
| Main Vout (V) | 12 |
| MAX Iout (mA) | 83 |
| Isolation (kV) | 7.07 |
| Mounting Type | SMD |
| Package Style | 19.9x9.5x7.6 |
| Length (mm) | 19.9 |
| Width (mm) | 9.5 |
| Height (mm) | 7.6 |
| MIN Operating Temp (°C) | -40 |
| MAX Operating Temp (°C) | 125 |
| Directives | Halogen-free, REACH, RoHS 2+ (10/10) |
| Warranty | 1 Year |
| Config | 1 Primary 1 Secondary |
| Topology | Full-Bridge |
| MIN Storage Temperature (°C) | -40 |
| MAX Storage Temperature (°C) | 40 |
| Primary Winding | Single |
| Secondary Winding | Single |
| Primary Inductance (µH) | 108 |
| Volt µs Rating (V/µs) | 23 |
| MAX Primary DCR (Ω) | 0.8 |
| MAX Secondary DCR (Ω) | 0.3 |
| WindingTurnsRatio | 2.56:1 |
| Center Tap | No |
| Part Number | Power (W) | Vout 1 (V) | Vin (V) | Mounting Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1 |
|
RMR-018-F5AS-CT
Focus
New
| 12 | 5 | SMD |
|
|
||
| 2 |
|
RMR-018-F5AS-R
Focus
New
| 12 | 5 | SMD |
|
|
Documents & Media
| Title | Type | Date |
|---|---|---|
| RMR-018.pdf | Datasheet |
Links
| Title | Type | Date |
|---|---|---|
| Isolated DC/DC Power ICs and Discrete Power Supply Solutions for Distributed Power Architectures | Blog Article | Mar 13, 2026 |
Efficiency can be improved by selecting low-loss components, optimizing switching frequency, and using synchronous rectification.
Common topologies include buck, boost, buck‑boost, flyback, forward, half‑bridge, and full‑bridge converters.
Typical components include a controller IC (with or without integrated switches), inductors or transformers, rectifiers, and capacitors. For regulated outputs, some form of feedback circuitry is also required to maintain a stable voltage.
A discrete power supply uses individual components such as controllers, switching transistors, transformers, inductors, and capacitors to build a converter. This approach offers maximum flexibility, allowing engineers to hand-pick each part to optimize for specific performance goals like thermal management, high power density, or low cost.
Typical protection functions include overcurrent protection, overvoltage or undervoltage protection, thermal shutdown, and short‑circuit protection.
Discrete designs are preferred when high flexibility, custom layout, performance optimization, or cost advantages at high volumes are required.