SPECIFICATIONS
| GENERAL SPECIFICATIONS | OUTPUT SPECIFICATIONS | ||||
| Input Voltage |
| 36~75V | Voltage Accuracy | Typical | ±1% |
| Switching Frequency | Typical (3.3V) | 290KHz | Line Regulation | Typical | ±0.1% |
| Isolation Voltage | In/Out | 1500V | Load Regulation | 0%~100% | ±0.2% |
| Isolation | Typical | 500pF | Ripple & Noise | 20MHz BW Typical | 50 mV |
| Isolation Resistance | Minimum | 100MΩ | Current Limits | Typical | 150% |
| MTBF | Bellcore | 3M hours | Over Voltage | Typical | 125% |
| Size | Encapsulated | 2.00”×1.00”×0.42” | Voltage Trim |
| +10%, |
| Open Frame | 1.93”×0.93”×0.36” |
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| PART NUMBERING | SYSTEM |
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| S | 48 |
| S | R |
| 3R3 | 04 | E | R |
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| A | |||
| Form Factor | Input | Number of | Product |
| Output | Output | ON/OFF | Pin |
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| Option Code | ||||
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| Voltage | Outputs | Series |
| Voltage | Current | Logic | Length |
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| S- Small | 48V | S- Single | R- |
| 1R8- 1.8V | 01- 1.25A | E- No ON/OFF | R- 0.170” | F- RoHS | A- Encapsulated & | ||||||
| Power |
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| 2R5- 2.5V | 02- 2.0A | Control | N- 0.145” | 6/6 |
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| 3R3- 3.3V | 03- 3.0A | Function | K- 0.110” |
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| B- Encapsulated & No | |||
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| 050- 5.0V | 04- 4.5A |
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| 120- 12V | 05- 5.0A |
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| C- Open Frame & Trim | |||
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| D- Open Frame & No |
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| Trim |
| MODEL LIST |
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| MODEL NAME |
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| INPUT |
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| OUTPUT |
| EFF @ 100% LOAD | |||||||
| S48SR1R805ERFA |
| 36V~75V |
| 0.5A |
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| 1.8V |
| 5.0A |
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| 80.0% | ||||
| S48SR2R504ERFA |
| 36V~75V |
| 0.5A |
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| 2.5V |
| 4.5A |
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| 83.0% | ||||
| S48SR3R303ERFA |
| 36V~75V |
| 0.5A |
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| 3.3V |
| 3.0A |
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| 84.5% | ||||
| S48SR3R304ERFA |
| 36V~75V |
| 0.6A |
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| 3.3V |
| 4.5A |
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| 86.0% | ||||
| S48SR05002ERFA |
| 36V~75V |
| 0.5A |
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| 5.0V |
| 2.0A |
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| 85.0% | ||||
| S48SR05003ERFA |
| 36V~75V |
| 0.6A |
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| 5.0V |
| 3.0A |
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| 86.5% | ||||
| S48SR12001ERFA |
| 36V~75V |
| 0.6A |
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| 12.0V |
| 1.25A |
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| 86.5% | ||||
| MECHANICAL DRAWING |
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| Open Frame Version |
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| Encapsulated Version |
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CONTACT: www.delta.com.tw/dcdc
USA: | Europe: | Asia & the rest of world: | |
Telephone: | Phone: +41 31 998 53 11 | Telephone: +886 3 4526107 ext 6220 | |
East Coast: (888) 335 8201 | Fax: +886 3 4513485 | ||
Fax: +41 31 998 53 53 | |||
West Coast: (888) 335 8208 | Email: DCDC@delta.com.tw | ||
Email: | |||
Fax: (978) 656 3964 |
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Email: |
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