Ideal Diode
The Ideal Diode ideal-diode module family is described by the configuration-specific ratings in the following tables. Storage temperature: -55°C to 125°C. Refer to the selection table, pin assignments and application guidance for the selected configuration.
Input operating-voltage range (V)
Maximum forward current (A)
Ratings apply to the selected configuration. See the datasheet for test conditions and model designation notes.
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Ideal Diode
The Ideal Diode ideal-diode module family is described by the configuration-specific ratings in the following tables. Storage temperature: -55°C to 125°C. Refer to the selection table, pin assignments and application guidance for the selected configuration.
- SMD surface-mount package
- Low forward voltage drop
- Storage temperature: -55°C to 125°C
Product Selection
| Model | Input operating-voltage range (V) | Maximum forward current (A) | Typical forward voltage drop (mV) | Reverse withstand voltage (V) | Package | Operating temperature (°C) |
|---|---|---|---|---|---|---|
| QMR-2060A | 5 to 60 | 20 | Io×4.0 | -60 | SMD-1 | -55 to +125 |
| QMR-2080A | 5 to 80 | 20 | Io×4.0 | -80 | SMD-1 | -55 to +125 |
| QMR-4060A | 5 to 60 | 40 | Io×4.0 | -60 | SMD-2 | -55 to +125 |
| QMR-4080A | 5 to 80 | 40 | Io×4.0 | -80 | SMD-2 | -55 to +125 |
Reflow Profile Parameters
| Profile parameter | Tin-lead | Hybrid / backward-compatible | Lead-free |
|---|---|---|---|
| Melting point | 183°C | 183°C / 220°C | 217–220°C |
| Soldering temperature | 210–220°C | 228–235°C | 235–245°C |
| Minimum peak temperature | 205°C | 228°C | 230°C |
| Ramp-up rate | 1–2°C/s | 1–2°C/s | 1–2°C/s |
| Ramp-down rate | 1–4°C/s | 1–4°C/s | 1–4°C/s |
| Soak temperature | 100–180°C | 100–180°C | 140–220°C |
| Soak time | 60–120 s | 60–120 s | 60–150 s |
| Reflow time | 60–90 s | 60–90 s | 60–90 s |
| Time at peak temperature | ≤20 s | ≤20 s | ≤20 s |
1. Minimum peak temperature means the lowest temperature on the PCB at peak reflow.
2. Follow the solder-paste manufacturer’s requirements for ramp-up rate, ramp-down rate, soak temperature and soak time.
Technical Data — Ideal Diodes
| Model | Input operating-voltage range (V) | Maximum forward current (A) | Typical forward voltage drop (mV) | Reverse withstand voltage (V) | Package | Operating temperature (°C) |
|---|---|---|---|---|---|---|
| QMR-2060A | 5 to 60 | 20 | Io×4.0 | -60 | SMD-1 | -55 to +125 |
| QMR-2080A | 5 to 80 | 20 | Io×4.0 | -80 | SMD-1 | -55 to +125 |
| QMR-4060A | 5 to 60 | 40 | Io×4.0 | -60 | SMD-2 | -55 to +125 |
| QMR-4080A | 5 to 80 | 40 | Io×4.0 | -80 | SMD-2 | -55 to +125 |
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