TS8121A HF SMD Discrete LAN Magnetics 10/100 BASE-T Single Port

Price Negotiable

Price: $0.06-$3.2

MOQ: 400/2000/10K/25K

Delivery Time: Stock

Brand: LINK-PP

Product Description

TS8121A HF 10/100 BASE-T SMD LAN Magnetics Description

The TS8121A HF is a high-performance single-port LAN magnetics module designed for 10/100 Base-T Ethernet applications. It provides reliable signal isolation, common-mode noise suppression, and complies with IEEE 802.3u standards. Ideal for integration with RJ45 connectors and PHY ICs, this discrete transformer ensures stable network performance in industrial and commercial environments.

Key Features of TS8121A HF LAN Transformers

Complies with IEEE 802.3u standard for 10/100 Base-T Ethernet
350 µH OCL with 8 mA DC bias
RoHS and Halogen-Free compliant
Operating temperature range: 0 °C to +70 °C
Storage temperature range: –25 °C to +85 °C

TS8121A HF Datasheet

TS8121A HF — Electrical Specifications

Parameter	Condition / Frequency	Specification
Turns Ratio (TX/RX)	—	1CT : 1CT
OCL (Open Circuit Inductance)	100 kHz / 0.1 V, 8 mA Bias	≥ 350 µH
Leakage Inductance (L.L)	@ 100 kHz	≤ 0.5 µH
DCR (Primary)	—	≤ 1.1 Ω
DCR (Secondary)	—	≤ 0.9 Ω
CW/W (Capacitance)	—	≤ 28 pF
Hi-Pot	60 s	1500 Vrms

Signal Performance

Parameter	Frequency Range	Specification
Insertion Loss (Max)	0.3–100 MHz	≤ –1.1 dB
Return Loss (Min)	0.3–30 MHz	≥ –18 dB
	40 MHz	≥ –15.5 dB
	50 MHz	≥ –13 dB
	60–80 MHz	≥ –12 dB
Crosstalk (Min)	0.3–60 MHz	≥ –45 dB
	60–100 MHz	≥ –35 dB
DCMR (Differential/Common-Mode Rejection)	30 MHz	≥ –40 dB
	60 MHz	≥ –35 dB
	100 MHz	≥ –30 dB