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Product Detailed Parameters
- Description：XFMR FLEX DC/DC CONV 4.3UH SMD
- Series：WE-FLEX
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：For DC/DC Converters
- Applications：Flexible
- Intended Chipset：-
- Chipset Manufacturer：-
- Voltage - Primary：-
- Voltage - Auxiliary：-
- Voltage - Isolation：1500Vrms
- Inductance @ Frequency：4.3µH @ 100kHz
- Frequency：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Size / Dimension：0.827" L x 0.846" W (21.01mm x 21.49mm)
- Height - Seated (Max)：0.472" (11.99mm)
- Footprint：1.161" L x 0.846" W (29.49mm x 21.49mm)
- Style：-
- Grade：-
- Qualification：-
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Overview
The Würth Elektronik part number 749196537 is a WE-FLEX flexible transformer designed for surface mount applications. It features an inductance of 4.3 µH at 100 kHz and supports a current rating of 3.24 A. The component provides 1500 Vrms isolation voltage, suitable for high-voltage DC/DC converter circuits. It operates within a temperature range of -40°C to +125°C. The device utilizes a push-pull topology configuration and includes automated manufacturing processes for consistent performance.
Feature Summary
- Flexible construction optimized for space-constrained designs
- High isolation voltage capability for safety-critical circuits
- Automated manufacturing ensures uniform quality
Applications
- Push-pull converter topologies
- Gate drive circuit implementations
- High-voltage DC/DC conversion systems
Procurement Notes
Verify the specific package dimensions and pinout configuration against your PCB layout requirements before ordering. Confirm that the thermal management strategy accommodates the maximum operating temperature of 125°C. Ensure the supply chain source provides original manufacturer documentation to guarantee component authenticity and traceability.
Selection Notes
Select this component when high isolation voltage and compact form factor are required. The flexible design allows for integration into non-standard mechanical enclosures. Consider the 3.24 A current rating to ensure adequate power handling for the intended load without exceeding thermal limits during continuous operation.
Part Context
This transformer belongs to the WE-FLEX series from Würth Elektronik, which specializes in flexible magnetic components. The series is engineered for modern power electronics where size reduction and mechanical adaptability are critical. It complements other passive components in advanced switching power supply architectures.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching electrical specifications including inductance, isolation voltage, and current ratings.
