TS8121AM HF is out of stock and can be placed on backorder.
Available Substitutes:

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Pulse Electronics
In Stock: 0
Unit Price: $2.79000
Datasheet
350µH LAN 10/100 Base-T Pulse Transformer 1:1CT Transmitter, 1:1CT Receiver Surface Mount
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

TS8121AM HF

DigiKey Part Number
553-TS8121AMHFTR-ND - Tape & Reel (TR)
553-TS8121AMHFCT-ND - Cut Tape (CT)
553-TS8121AMHFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
TS8121AM HF
Description
MDL 10/100 SINGLE PORT POE+ 30W
Manufacturer Standard Lead Time
19 Weeks
Customer Reference
Detailed Description
350µH LAN 10/100 Base-T Pulse Transformer 1:1CT Transmitter, 1:1CT Receiver Surface Mount
Datasheet
 Datasheet
Product Attributes
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Category
Turns Ratio - Primary:Secondary
1:1CT Transmitter, 1:1CT Receiver
Manufacturer
Pulse Electronics
Mounting Type
Surface Mount
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Size / Dimension
0.504" L x 0.272" W (12.80mm x 6.90mm)
Part Status
Active
Height - Seated (Max)
0.222" (5.65mm)
Transformer Type
LAN 10/100 Base-T
Operating Temperature
-40°C ~ 85°C
Inductance
350µH
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
HXB2001HLTPulse Electronics0553-HXB2001HLTTR-ND$2.79000Similar
In-Stock: 0
600 estimated in stock on 01-Mar-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.85000$3.85
10$3.11700$31.17
25$2.52040$63.01
50$2.36120$118.06
100$2.25510$225.51
250$2.18880$547.20
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
600$2.27890$1,367.34
1,200$2.20769$2,649.23
1,800$2.16693$3,900.47
3,000$2.11650$6,349.50
4,200$2.08385$8,752.17
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.