It appears you have JavaScript disabled within your browser. Some functions on this page will not work unless you log in.

Return to Search Results

See an Error?

SM91078L-E

Name: Bourns SM91078L-E
Brand: Bourns
SKU: 652-SM91078L-E
Price: 6.49 GBP
Availability: OutOfStock

Images are for reference only
See Product Specifications

Mouser No:

652-SM91078L-E

Mfr. No:

SM91078L-E

Mfr.:

Bourns

Description:

Audio Transformers / Signal Transformers LAN Transformer/CMC,12PIN,100Base,SGL,4.0kVAC, -40 to 105C

Datasheet:

SM91078L-E Datasheet (PDF)

ECAD Model:

Download the free Library Loader to convert this file for your ECAD Tool. Learn more about the ECAD Model.

More Information

Learn more about Bourns SM91078L-E

Availability

Stock:: 0

You can still purchase this product for backorder.

An unexpected error occurred. Please try again later.
On Order:: 800

Expected 27/05/2026
Factory Lead Time:: 20

Weeks Estimated factory production time for quantities greater than shown.

Enter Quantity:

Minimum: 1 Multiples: 1

Unit Price:

£-.--

Ext. Price:

£-.--

Est. Tariff:

Packaging:

Full Reel (Order in multiples of 400)

Cut Tape

MouseReel™ (+£3.50)

Pricing (GBP)

Qty.	Unit Price	Ext. Price
Cut Tape / MouseReel™ ^†
	£6.49	£6.49
	£5.12	£51.20
	£4.91	£122.75
	£4.75	£237.50
	£4.60	£460.00
	£4.42	£1,105.00
Full Reel (Order in multiples of 400)
	£4.27	£1,708.00
	£4.14	£3,312.00

† A MouseReel™ fee of £3.50 will be added and calculated in your basket. All MouseReel™ orders are non-cancellable and non-returnable. ↩

.hidden-for-nojs { display: none; } .pull-right-nojs { justify-content: flex-end; }

Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Bourns
Product Category:	Audio Transformers / Signal Transformers
RoHS:
Product:	LAN Transformers
Type:	LAN
Termination Style:	SMD/SMT
Inductance:	350 uH
Isolation Voltage:	4 kV
Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 105 C
Number of Channels:	1 Channel
Length:	30.6 mm
Width:	18.6 mm
Height:	9.6 mm
Packaging:	Reel
Packaging:	Cut Tape
Packaging:	MouseReel
Brand:	Bourns
Maximum DC Resistance:	600 mOhms
Primary Resistance:	600 mOhms
Product Type:	Audio & Signal Transformers
Secondary Resistance:	1 Ohms
Shielding:	Unshielded
Factory Pack Quantity:	400
Subcategory:	Transformers

Products found:

To show similar products, select at least one checkbox

Select at least one checkbox above to show similar products in this category.

Attributes selected: 0

Filter Document:

Datasheet

SM91078L-E Datasheet (PDF)

PCN

Product Change Notification (PDF)

This functionality requires JavaScript to be enabled.

CNHTS:: 8504319000
USHTS:: 8504312000
JPHTS:: 850431000
TARIC:: 8504312990
ECCN:: EAR99

Telecom Transformers

Bourns Telecom Transformers include LAN transformers, surface-mount chip inductors, power chokes, chip beads, chip bead arrays, and radial-leaded and axial-leaded inductors. This Bourns product line also includes AEC-Q200-compliant transformers for automotive uses.

SM91078L LAN 100Base-TX Ethernet Transformer

Bourns SM91078L LAN 100Base-TX Ethernet Transformer offers a 1500V working voltage and an 8mm creepage and clearance distance. This transformer features common mode chokes for noise rejection in Ethernet applications and is designed to meet 100Base-TX Ethernet communication with basic insulation. The SM91078L transformer has design construction of basic insulation per IEC 62368-1. Bourns SM91078L LAN 100Base-TX Ethernet Transformer is ideal for energy storage systems, white goods, and Industry 4.0 applications.

Magnetic Products

Bourns Magnetic Products are engineered to meet essential power application requirements for power conversion, isolation, EMC compliance, signal integrity, and increased power density. Bourns offers a broad, proven, and continually expanding portfolio of miniaturized, automotive grade, high quality, and high-reliability components. Bourns Magnetic Products are key elements in many of today’s breakthrough designs, such as electric vehicles, high power battery charging, e-mobility, renewable energy, energy storage, the Internet of Things (IoT), and industrial infrastructure.