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749196111 The Würth Elektronik 749196111 is a WE-FLEX flexible transformer designed for DC/DC converters. It offers 500VDC isolation and operates within a temperature range of -40°C to 125°C.
Mfr Part #:

749196111

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 749196111 is a WE-FLEX flexible transformer designed for DC/DC converters. It offers 500VDC isolation and operates within a temperature range of -40°C to 125°C.
✓ Total Stock: 771 pcs
$ Price Range: $3.00

749196111 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
409 pcs
On Request
409 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
362 pcs
On Request
362 pcs On Request 1 On Request On Request On Request On Request On Request
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749196111 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Inductance
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749196111 Description

Short technical summary and product information.

The Würth Elektronik 749196111 is part of the WE-FLEX series, a flexible transformer specifically engineered for DC/DC converter applications. This component features 6 identical windings and is available in multiple sizes, including the ER11/5 variant which measures 12.9mm x 9.20mm with a height of 6.20mm.

 

Key electrical characteristics include an isolation voltage of 500VDC and a low leakage inductance. The operating temperature range is from -40°C to +125°C, making it suitable for demanding environments. The transformer supports various switching regulator configurations such as Flyback, Forward, Push-pull, Step-up/step-down, and SEPIC converters.

 

Designed for surface mounting, this transformer facilitates efficient PCB layout and assembly. Its flexible nature and the availability of multiple configurations allow for over 375 transformer solutions and approximately 125 choke solutions, enabling quick prototyping.

 

Applications include all types of switching regulators. The WE-FLEX series is built to provide reliable performance in power electronics designs.

749196111 Quick Information

Product Type: Transformer
Canonical Name: WE-FLEX Flexible Transformer for DC/DC Converter
Subcategory: Switching Converter, SMPS Transformers

749196111 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

749196111 Estimated Pricing

Qty Low High
1+ $3.00 $3.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

749196111 Features

  • Flexible transformer for DC/DC converters.
  • Features 500VDC isolation voltage.
  • Wide operating temperature range.
  • Surface mount for easy integration.
  • Low leakage inductance design.

749196111 Applications

  • Used in flyback converters.
  • Suitable for forward converters.
  • Applicable to push-pull converters.
  • Supports step-up/step-down designs.
  • Ideal for SEPIC converters.

749196111 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the 749196111 transformer?

The isolation voltage is 500VDC.

What is the operating temperature range for this transformer?

The operating temperature range is -40°C to 125°C.

What type of mounting does the 749196111 transformer use?

It uses surface mount.

What are the key electrical specifications for this WE-FLEX transformer?

It has an inductance of 3.4 µH, a rated current of 1.91 A, and a saturation current of 4.18 A.

What DC/DC converter applications is the 749196111 suitable for?

It is suitable for flyback, forward, push-pull, step-up/step-down, and SEPIC converters.

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