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AT4547
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-11-08. Confirm live availability and unit price via RFQ before placing a PO.

AT4547

AUDIO TRANSFORMER
Allied Components International · Audio Transformers · BOM Matching
Mfr. Part Number
AT4547
Manufacturer
Allied Components International
Datasheet
Datasheet
Description
AUDIO TRANSFORMER
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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AT4547
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In Stock8,708
Unit
Price
$9.95
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Reference Price
QuantityPrice
1$ 9.9500
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-11-08 · Valid as reference until 2026-11-15 · Request RFQ for live stock.
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Specification Summary

Voltage - Isolation
1500VAC
Frequency Response
±1dB
Operating Temperature
0°C ~ 105°C
Mounting Type
Through Hole
DC Resistance (DCR) - Primary
56.5Ohm
DC Resistance (DCR) - Secondary
40.7Ohm, 40.7Ohm
Height - Seated (Max)
0.740" (18.80mm)
Impedance - Primary (Ohms)
600
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-11-08. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Impedance - Primary (Ohms)
600
Impedance - Secondary (Ohms)
-
DC Resistance (DCR) - Primary
56.5Ohm
DC Resistance (DCR) - Secondary
40.7Ohm, 40.7Ohm
Frequency Response
±1dB
Insertion Loss
0.8dB Typ
Return Loss
30dB Typ
Power Level
-
Approval Agency
-
Mounting Type
Through Hole
Operating Temperature
0°C ~ 105°C
Size / Dimension
0.812" L x 0.715" W (20.62mm x 18.16mm)
Transformer Type
Data/Voice
Turns Ratio - Primary:Secondary
1.35:1:1
Frequency Range
-
Height - Seated (Max)
0.740" (18.80mm)
Termination Style
PC Pin
Voltage - Isolation
1500VAC
AUDIO TRANSFORMER
Brand Introduction

Allied Components International designs and manufactures a wide variety of industry standard and custom magnetic components and modules. These products are used in networking, telecommunications, test equipment, power conversion and many other applications in the commercial and industrial markets.

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Buying FAQ — AT4547

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy AT4547 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes AT4547. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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