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749196540 The Würth Elektronik 749196540 is a WE-FLEX flexible transformer designed for DC/DC converters. It features a 3.4µH inductance and a 1.91A rated current.
Mfr Part #:

749196540

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 749196540 is a WE-FLEX flexible transformer designed for DC/DC converters. It features a 3.4µH inductance and a 1.91A rated current.
✓ Total Stock: 266 pcs
$ Price Range: $3.00

749196540 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
266 pcs
On Request
266 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

749196540 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
DC Resistance
Footprint
Height
Inductance
Inductance @ Frequency
Length
Mounting Type
Operating Temperature
Rated Current
Turns Ratio
Type
Voltage
Width
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749196540 Description

Short technical summary and product information.

The Würth Elektronik 749196540 is a WE-FLEX flexible transformer specifically designed for use in DC/DC converter applications. This surface mountable component offers a configurable type suitable for various switching regulator designs, including flyback, forward, push-pull, and step-up/step-down converters.

 

Key electrical characteristics include an inductance base of 3.4µH at 10kHz, a rated current base of 1.91A, and a saturation current base of 4.18A. It also provides an insulation test voltage of 500V (AC) and a low leakage inductance of 0.18µH.

 

The transformer operates within a temperature range of -40°C to +125°C. Its dimensions are 21.00mm in length, 21.00mm in width, and 10.80mm in height, with a footprint of 21.00mm x 29.70mm. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

749196540 Quick Information

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

749196540 Compliance

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

749196540 Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

749196540 Features

  • Configurable transformer for DC/DC converters.
  • 3.4µH inductance at 10kHz.
  • 1.91A rated current.
  • 500VDC isolation test voltage.
  • Surface mountable design.

749196540 Applications

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

749196540 FAQs

8 frequently asked questions generated from this part’s specifications.
What is the inductance of the 749196540 transformer?

The inductance base is 3.4µH at 10kHz.

What is the rated current for the 749196540 transformer?

The rated current base is 1.91A.

What is the saturation current for the 749196540 transformer?

The saturation current base is 4.18A.

What is the DC resistance of the 749196540 transformer?

The DC resistance base is a maximum of 30mΩ.

What is the insulation test voltage of the 749196540 transformer?

The insulation test voltage is 500V (AC).

What is the operating temperature range for this transformer?

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

What are the dimensions of the 749196540 transformer?

The transformer measures 21.00mm in length, 21.00mm in width, and 10.80mm in height.

What type of mounting does the 749196540 transformer use?

This transformer uses surface mount mounting.

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