This post explains for the Transformer.
The Part Number is HST-0041SAR.
The function of this semiconductor is 10/100 Base-TX Transformer.
Manufacturer: Group-Tek ( http://www.group-tek.com/ )
Product images :
Description:
This is 10/100 Base-TX Transformer.
Features：
1. Designed to meet IEEE 802.3 requirements.
2. Non-PoE Product.
3. Primary(PIN1-3,PIN6-8) inductance(Lp)350uH min,@ 100KHz,0.1Vrms,8mA.
4. LL (PIN1-3 ShortPIN16+14):0.35uH Max @100KHz, 0.1V
5. Cww(PIN1,3 With PIN16,14;PIN6,8 with PIN11,9):30pF Max@100KHz, 0.1V
6. Primary(PIN1-3,PIN6-8) DCR:0.9ΩMax;Secondary(PIN16-14,PIN11-9) DCR:1.2ΩMax.
7. Storeage temperature -25℃ to +125℃.
8. RoHS compliance […]
