WE-STST Super Tiny Signal Transformer

Size	Dimensions	3D	L (mm)	W (mm)	H (mm)	Mount
4532			4.7	3.22	2.9	SMT

LTSpice files

LT
LTSpice_WE-STST (rev24a).zip
|
33.3 KB

Characteristics

Super small size
1.5 kV isolation voltage
350 µH OCL as per IEEE 802.3
Operating temperature: -40 °C up to +105 °C
Reference Designs
RD016 Reference Design Gigabit Ethernet Front End
RD041 Design of a Single Pair Ethernet System with Power over Data Lines (SPoE)

Applications

Ethernet 10/100/1000 Base-T
Ethernet 2.5/5G and 10G Base-T
Single Pair Ethernet
Ultrasonic sensors
g.fast

Application Notes

One Pair is all you need.

The WE-LAN AQ is a LAN transformer manufactured by a fully automated production process.

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Products

4532

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Order Code	Datasheet	Downloads	Status	Data rate	L(µH)	V_T(V (RMS))	n	PoE	Operating Temperature	L(mm)	W(mm)	H(mm)
74930000		Downloads10 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_74930000 (rev1).dae \| 1.4 KB IGS IGS_74930000 (rev1).igs \| 8.9 MB STP STP_74930000 (rev1).stp \| 2.2 MB Electric models ZIP PSP PSpice_WE-STST (rev22a).zip \| 140.2 KB S S-Parameter_74930000 (rev24a).s7p \| 3.1 MB Download all 10 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Data rate10/100/1000 Base-T, 10/100 Base-T1	Inductance350 µH	Insulation Test Voltage1500 V (RMS)	Turns Ratio1:1	–	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
74930100		Downloads9 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP IGS IGS_74930100 (rev1).igs \| 8.9 MB STP STP_74930100 (rev1).stp \| 1.1 MB Electric models ZIP PSP PSpice_WE-STST (rev22a).zip \| 140.2 KB S S-Parameter_74930100 (rev24a).s7p \| 3.1 MB Download all 9 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Data rate10G Base-T, 1000 Base-T1	Inductance120 µH	Insulation Test Voltage1500 V (RMS)	Turns Ratio1:1	–	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
74930130		Downloads8 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_74930130 (rev1).pdf \| 3.8 MB IGS Download_IGS_74930130 (rev1).igs \| 8.9 MB STP Download_STP_74930130 (rev1).stp \| 1.1 MB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Data rate10/100/1G/10GBase-T	Inductance110 µH	Insulation Test Voltage1500 V (RMS)	Turns Ratio1:1	PoEPoE (up to 350 mA)	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
74930030		Downloads8 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_74930030 (rev1).pdf \| 3.8 MB IGS Download_IGS_74930030 (rev1).igs \| 8.9 MB STP Download_STP_74930030 (rev1).stp \| 1.1 MB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Data rate10/100/1GBase-T	Inductance350 µH	Insulation Test Voltage1500 V (RMS)	Turns Ratio1:1	PoEPoE (up to 350 mA)	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
74930120		Downloads8 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_74930120 (rev1).pdf \| 3.8 MB IGS Download_IGS_74930120 (rev1).igs \| 8.9 MB STP Download_STP_74930120 (rev1).stp \| 1.1 MB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Data rate10/100/1G/10GBase-T	Inductance110 µH	Insulation Test Voltage1500 V (RMS)	Turns Ratio1:1	PoEPoE+ (up to 600 mA)	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
749302010	–, Short distance sensing at high frequency, 300 µH	Downloads8 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_UtSTST_749302010 (rev1).pdf \| 3.8 MB IGS IGS_749302010 (rev1).igs \| 8.1 MB STP STP_749302010 (rev1).stp \| 1014.3 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	–	Inductance300 µH	Insulation Test Voltage400 V (RMS)	Turns Ratio1:4.5:4.5:1	–	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm
749302011	–, Long distance sensing at low frequency, 2000 µH	Downloads8 files EDA models: Components ZIP ALT Altium_WE-STST (rev25a).IntLib \| 509.5 KB CDS Cadence_WE-STST (rev25a).zip \| 15.2 MB EAG Eagle_WE-STST (rev25a).lbr \| 45.3 KB KIC KiCad_WE-STST (rev25b).zip \| 5.8 MB ZUK Cadstar_WE-STST (rev20a).zip \| 6.4 KB CAD files ZIP 3D 3D_UtSTST_749302011 (rev1).pdf \| 3.8 MB IGS IGS_749302011 (rev1).igs \| 8.1 MB STP STP_749302011 (rev1).stp \| 1014.3 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	–	Inductance2000 µH	Insulation Test Voltage400 V (RMS)	Turns Ratio1:4.5:4.5:1	–	Operating Temperature -40 °C up to +105 °C	Length4.7 mm	Width3.22 mm	Height2.9 mm

Long Reach High-Speed Communication with WE-STST Transformers

As industries continue to demand reliable and efficient long-distance data transmission, the need for high-performance transformers in DSL and ISDN applications remains critical. Würth Elektronik’s WE-STST signal transformers are optimized for "long reach high speed" applications, offering exceptional performance in extending data coverage without compromising speed or integrity.

Key Use Cases

SHDSL Technology:WE-STST series supports Symmetrical High-Speed Digital Subscriber Line (SHDSL) technology, which enables long-distance communication with consistent, high-quality signal transmission.
Industrial Communication: Ideal for connecting devices across large industrial plants where stable data communication is essential.
Telecom Infrastructure: Provides reliable signal transformation for telecommunications systems requiring extended reach.

Product Highlights

Low insertion loss for efficient signal transmission
High galvanic isolation to ensure safety and reliability
Supporting long signalling distances
Also suitable to use for DSL and ISDN

Suitable for

WR-MJ Modular Jacks

WE-CNSW SMT Common Mode Line Filter

WE-TVS TVS Diode – Standard Series

WCAP-CSMH Mid and High Voltage

Videos

Würth Elektronik Webinar: Anticipate EMC with LTSPICE

Videos

Würth Elektronik Webinar: Single Pair Ethernet filter design for industry

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Würth Elektronik Webinar: Single Pair Ethernet - Filter Design and Power over Data Line

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Würth Elektronik Webinar: Single Pair Ethernet filter design for industry

LTSpice files

Characteristics

Applications

Application Notes

One Pair is all you need.

Products

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 10 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Download all 8 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Download all 8 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Download all 8 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Download all 8 files as zip archive
ZIP

EDA models: Components ZIP

CAD files ZIP

Download all 8 files as zip archive
ZIP

Long Reach High-Speed Communication with WE-STST Transformers

Suitable for

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