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TDA5231
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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 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.

TDA5231

ASK/FSK SINGLE RECEIVER
Infineon Technologies · RF Receivers · BOM Matching
Mfr. Part Number
TDA5231
Manufacturer
Infineon Technologies
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Datasheet
Datasheet
Description
ASK/FSK SINGLE RECEIVER
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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TDA5231
Infineon Technologies
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In Stock7,856
Unit
Price
$1.94
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Reference Price
QuantityPrice
1$ 1.9400
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-22 · Valid as reference until 2026-09-29 · Request RFQ for live stock.
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Specification Summary

Package / Case
28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
PG-TSSOP-28
Voltage - Supply
3V ~ 3.6V, 4.5V ~ 5.5V
Current - Receiving
8.4mA
Frequency
302MHz ~ 320MHz
Operating Temperature
-40°C ~ 105°C
Data Interface
PCB, Surface Mount
Mounting Type
Surface Mount
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 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Features
-
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C
Antenna Connector
PCB, Surface Mount
Current - Receiving
8.4mA
Data Rate (Max)
20kbps
Modulation or Protocol
ASK, FSK
Applications
RKE, TPM, Security Systems
Data Interface
PCB, Surface Mount
Frequency
302MHz ~ 320MHz
Memory Size
-
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Sensitivity
-111dBm
Supplier Device Package
PG-TSSOP-28
Voltage - Supply
3V ~ 3.6V, 4.5V ~ 5.5V
ASK/FSK SINGLE RECEIVER
Brand Introduction

On April 1st, 1999, Siemens Semiconductors became Infineon Technologies. A dynamic more flexible company geared towards success in the competitive, ever-changing world of microelectronics.

Infineon is a leading global designer, manufacturer and supplier of a broad range of semiconductors used in various microelectronic applications. Infineon's product portfolio consists of logic products, including digital, mixed-signal, and analog integrated circuits, as well as discrete semiconductor products.

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Buying FAQ — TDA5231

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

How do I buy TDA5231 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes TDA5231. 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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