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SE555DT
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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 2026-10-29. Confirm live availability and unit price via RFQ before placing a PO.

SE555DT

IC OSC SGL TIMER 500KHZ 8-SOIC
STMicroelectronics · Programmable Timers and Oscillators · BOM Matching
Mfr. Part Number
SE555DT
Manufacturer
STMicroelectronics
Package / Case
8-SOIC (0.154", 3.90mm Width)
Datasheet
Datasheet
Description
IC OSC SGL TIMER 500KHZ 8-SOIC
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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SE555DT
STMicroelectronics
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In Stock4,480
Unit
Price
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Reference Price
QuantityPrice
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-10-29 · Valid as reference until 2026-11-05 · Request RFQ for live stock.
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Specification Summary

Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Voltage - Supply
4.5V ~ 18V
Current - Supply
10 mA
Frequency
500kHz
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Type
555 Type, Timer/Oscillator (Single)
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 2026-10-29. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Count
-
Frequency
500kHz
Current - Supply
10 mA
Type
555 Type, Timer/Oscillator (Single)
Mounting Type
Surface Mount
Operating Temperature
-55°C ~ 125°C
Voltage - Supply
4.5V ~ 18V
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
IC OSC SGL TIMER 500KHZ 8-SOIC
Brand Introduction
STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.
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Buying FAQ — SE555DT

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

How do I buy SE555DT from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes SE555DT. 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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