Sanken Electric USA Inc. STR3A251D
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 12.06 | Dhs. 12.06 |
| 15+ | Dhs. 11.68 | Dhs. 175.20 |
| 25+ | Dhs. 11.43 | Dhs. 285.75 |
| 50+ | Dhs. 10.80 | Dhs. 540.00 |
| 100+ | Dhs. 9.53 | Dhs. 953.00 |
| N+ | Dhs. 1.91 | Price Inquiry |
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STR3A251D - Integrated AC/DC Converter IC
The STR3A251D from Sanken Electric is a high-performance 37W flyback AC/DC converter IC designed for isolated power supply applications. Featuring a 650V breakdown voltage and integrated switching elements, this converter delivers reliable power conversion with comprehensive protection features including over-current, over-voltage, over-temperature, and over-load safeguards.
Ideal for industrial, consumer electronics, and power supply designs requiring robust performance across extended temperature ranges (-40°C to 125°C). The 67kHz switching frequency and soft-start control ensure efficient, stable operation with minimal EMI.
Key Features
- 37W output power with flyback topology
- 650V breakdown voltage for high-voltage applications
- Integrated internal switches for simplified design
- Wide supply voltage range: 8.5V to 32V
- 67kHz switching frequency with 75% duty cycle
- Comprehensive fault protection (current limiting, OVP, OTP, OCP)
- Soft-start control for reduced inrush current
- Extended operating temperature: -40°C to 125°C
- Through-hole 8-DIP package for easy assembly
- RoHS compliant
Applications
- Offline AC/DC power supplies
- Industrial control systems
- Consumer electronics power adapters
- Auxiliary power modules
- Isolated DC/DC converters
Documentation: Full datasheet and reference designs available for design-in support.
Compliance: RoHS compliant for environmental safety and regulatory requirements.
| Product attributes | Property Value |
| Manufacturer | Sanken Electric USA Inc. |
| Product Series | STR3A200 |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Topology | Flyback |
| Voltage - Start Up | 47 V |
| Voltage - Supply (Vcc/Vdd) | 8.5V ~ 32V |
| Duty Cycle | 75% |
| Frequency - Switching | 67kHz |
| Power (Watts) | 37 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control Features | Soft Start |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-DIP |
| ROHS |

STR3A251D.pdf