RS3-1215D RECOM Power Power Supply (Other) In Stock
The RS3-1215D is a 3 W isolated DC-DC converter module from RECOM Power, accepting a 9 V to 18 V input and delivering dual ±15 V regulated outputs. It achieves up to 83% efficiency and meets IEC, UL, and CSA approvals in a compact SIP package. Ideal for powering op-amps, ADCs, and analog signal chains requiring bipolar supply rails.
- Manufacturer
- RECOM Power
- Package
- Other
- Pin Count
- 7
- Lifecycle
- ACTIVE
- Datasheet
- RS3-1215D Datasheet PDF
- Category
- Power Supply
- Temp Range
- -40.0°C to 71.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3 W isolated DC-DC converter with dual ±15 V regulated outputs for bipolar analog supply rails
- Wide input range of 9 V to 18 V accommodating 12 V bus systems with ±50% tolerance
- Up to 83% conversion efficiency reducing thermal management requirements in compact designs
- Certified to IEC, EN, UL, and CSA standards for global deployment
- Compact SIP package simplifying PCB integration without external magnetics
Applications
The RS3-1215D is used to power precision analog circuits requiring symmetrical ±15 V bipolar supply rails, such as operational amplifiers, instrumentation amplifiers, and analog-to-digital converters in industrial measurement and process control equipment. Its isolated architecture makes it suitable for medical instrumentation front ends, audio signal processing boards, and sensor conditioning modules where ground isolation between input and output is essential. The module's compact SIP form factor enables easy retrofitting into existing 12 V powered systems needing dual-rail analog power without external transformer design.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 5 |
| Additional Feature | ALSO -15 V OUTPUT VOLTAGE AVAILABLE |
| Analog IC - Other Type | DC-DC REGULATED POWER SUPPLY MODULE |
| Approvals | IEC, EN, UL, CSA |
| Efficiency (Main Output) | 83% |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 9V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSIP-T7 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.5% |
| Load Regulation-Max | 0.5% |
| Number of Functions | 1 |
| Number of Outputs | 2 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 15.3V |
| Output Voltage-Min | 14.7V |
| Output Voltage-Nom | 15V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 |
| Protections | SHORT CIRCUIT |
| Qualification Status | Not Qualified |
| Ripple Voltage (Main Out) | 0.017675Vrms |
| Screening Level | IEC/EN 60601-1 |
| Surface Mount | NO |
| Technology | HYBRID |
| Temperature Grade | OTHER |
| Terminal Finish | Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 5 |
| Total Power Output-Max | 3W |
| Trim/Adjustable Output | NO |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Mainland China, Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the RS3-1215D support, and what output voltages does it provide?
The RS3-1215D accepts an input voltage from 9 V to 18 V, with a nominal input of 12 V, and delivers dual regulated ±15 V output rails at up to 3 W total output power. The dual-output configuration provides both +15 V and -15 V simultaneously, making it a single-package solution for bipolar analog power supplies in measurement and control systems.
How does the RS3-1215D's isolation benefit industrial sensor designs?
The RS3-1215D provides galvanic isolation between its 12 V input bus and the ±15 V analog output rails, breaking ground loops that degrade signal accuracy in industrial sensors and transducers. Isolation voltages typically reach 1 kV DC or greater, helping designs meet safety standards such as IEC 61010 for laboratory and measurement equipment operating in electrically noisy environments.
Which op-amp or ADC circuits are best matched to the RS3-1215D's ±15 V output?
Precision op-amps with ±15 V supply requirements, such as the OP27, AD8221 instrumentation amplifier, or ADA4077, operate at their full input and output swing when powered from ±15 V rails. The RS3-1215D's 3 W capacity is sufficient for driving 4 to 8 such amplifier stages simultaneously, supporting multi-channel sensor signal conditioning cards in PLC input modules and data acquisition systems.
How efficient is the RS3-1215D and what does that mean for thermal management?
The RS3-1215D achieves up to 83% conversion efficiency at full 3 W load, dissipating approximately 0.6 W as heat. This low thermal dissipation allows the module to operate without heatsinks across its full industrial temperature range of -40°C to +85°C, reducing design complexity and component count in thermally constrained enclosures and DIN-rail mounted equipment.
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