3W 1.5KV&3KV Isolation 2:1 Single Output SIP8 DC-DC Converters
27D-3W Series Single Output
3W 1.5KV & 3KV 2:1 Wide Input Range SIP Regulated Output DC to DC Power Conversion
3 watt single output wide input 2:1 voltage range SIP-8 DC to DC power converter. 27D-3W-Single series has 1.5KV and 3KV isolation voltages. The efficiency is up to 80%. The operating ambient temperature is from -40°C to +85°C. It has continuous short circuit protection with current foldback. This regulated output power converter has industry standard pins and internal SMD construction.
The DC-DC power converter products of Yuan Dean are RoHS-compliant, and can be customized for products. The products are guaranteed for 3 years after sale.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

Features
- 2:1 wide input voltages range.
- High efficiency up to 80%.
- Regulated output types.
- Low ripple and noise.
- Internal SMD construction.
- 1.5KVdc & 3KVdc isolation.
- Operating temperature:-40°C to +85°C.
- Industry standard pinout.
- Continuous short circuit protection with current foldback.
Applications
- Industry equipment.
- Sensing equipment.
- Instruments.
- Wireless Network.
- Telecom/Datacom.
- Measurement.
- Aviation.
Specifications typical at TA = 25°C, nominal input voltage and rated output current unless otherwise specified
Part Number | Input Voltage | Output Voltage | Output Current | Efficiency |
---|---|---|---|---|
Vdc | Vdc | mA | %Typ | |
27D-12S03R3W (3KV) | 9-18 | 3.3 | 909 | 70 |
27D-12S05R3W (3KV) | 9-18 | 5 | 600 | 70 |
27D-12S09R3W (3KV) | 9-18 | 9 | 333 | 75 |
27D-12S12R3W (3KV) | 9-18 | 12 | 250 | 78 |
27D-12S15R3W (3KV) | 9-18 | 15 | 200 | 80 |
27D-24S03R3W (3KV) | 18-36 | 3.3 | 700 | 68 |
27D-24S05R3W (3KV) | 18-36 | 5 | 600 | 70 |
27D-24S09R3W (3KV) | 18-36 | 9 | 333 | 75 |
27D-24S12R3W (3KV) | 18-36 | 12 | 250 | 78 |
27D-24S15R3W (3KV) | 18-36 | 15 | 200 | 80 |
27D-48S03R3W (3KV) | 36-72 | 3.3 | 700 | 68 |
27D-48S05R3W (3KV) | 36-72 | 5 | 600 | 70 |
27D-48S09R3W (3KV) | 36-72 | 9 | 333 | 75 |
27D-48S12R3W (3KV) | 36-72 | 12 | 250 | 78 |
27D-48S15R3W (3KV) | 36-72 | 15 | 200 | 80 |
Note:
1. No suffix is standard isolation (1.5KVDC) e.g, 27D-12S05R3W.
2. *add suffix /3KV for 3KVDC isolation, e.g, 27D-12S05R3W3KV.
Input Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Voltage Types | Vo,Io Nom | 2:1 | |||
Filter | Capacitor |
Output Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Voltage Tolerance | 100% full load | ± 3 | % | ||
Short Circuit Protection | Continuous | ||||
Line Regulation | Regulated | ± 0.5 | % | ||
Load Regulation | Regulated | ± 0.8 | % | ||
Ripple & Noise | Output:3.3-9V Types BW=DC To 20MHz |
100 | mVp-p | ||
Ripple & Noise | Output:12-15V Types BW=DC To 20MHz |
1% of Vout | mVp-p | ||
Transient response setting time | 50% load step change | 350 | us |
General Specifications
Parameters | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|
Isolation Resistance | 500Vdc | 1000 | MΩ | ||
Switching Frequency | Full load, nominal input | 100 | KHz | ||
Operating Temperature | -40 | +85 | °C | ||
Humidity | Non Condensing | 95 | % | ||
Cooling | Free air Convection | ||||
Case Material | DAP | ||||
MTBF | MIL-HDBK-217F @25°C | 1500000 | Hours | ||
Weight | 4.5 | g | |||
Dimensions | 21.8 x 9.2 x 11.1 | mm |
Certification

- Markings and DimensionsRelated ProductsFiles Download
3W 1.5KV&3KV Isolation 2:1 Single Output SIP8 DC-DC Converters - 3W 1.5KV & 3KV 2:1 Wide Input Range SIP Regulated Output DC to DC Power Conversion | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include 3W 1.5KV&3KV Isolation 2:1 Single Output SIP8 DC-DC Converters, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.
YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.
YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.