750311553

Part No :: 750311553

Manufacturer: Würth Elektronik Midcom

VIGOR # :: 1989560

Description: TRANSFORMER FLYBACK LM3445

Catalog: Switching Converter, SMPS Transformers

DataSheet: 750311553 PDF

Country of origin: -

Date code: -

750311553 Specifications

Type	Description
Series:	WE-FB, MID-OLTI
Package:	Tray
Part Status:	Active
Type:	For AC/DC Converters
Applications:	LED Drivers, AC/DC SMPS
Intended Chipset:	LM3445
Chipset Manufacturer:	National Semiconductor
Voltage - Primary:	115V
Voltage - Auxiliary:	-
Voltage - Isolation:	4500Vrms
Inductance @ Frequency:	803.5µH @ 100kHz, 50.2µH @ 100kHz
Frequency:	100kHz
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Through Hole
Size / Dimension:	-
Height - Seated (Max):	0.635" (16.13mm)
Footprint:	0.800" L x 0.960" W (20.32mm x 24.38mm)
Style:	-

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

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You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 27

Shipped from

HK warehouse

Expected Shipping Date

Jan 20 - Jan 24 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$9.90~~	~~$9.90~~
10	~~$9.60~~	~~$96.00~~
50	~~$9.00~~	~~$450.00~~
100	~~$8.10~~	~~$810.00~~
500	~~$7.20~~	~~$3 600.00~~

Current price of 750311553 is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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750311553

750311553

1989560

Pricing(USD)