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QTM3033T1
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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 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.

QTM3033T1

MINI-FLAT PACKAGE ZERO CROSSING
QT Brightek · Optoisolators - Triac, SCR Output · BOM Matching
Mfr. Part Number
QTM3033T1
Manufacturer
QT Brightek
Package / Case
4-SMD, Gull Wing
Datasheet
Datasheet
Description
MINI-FLAT PACKAGE ZERO CROSSING
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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QTM3033T1
QT Brightek
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In Stock3,875
Unit
Price
$1.22
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Reference Price
QuantityPrice
1$ 1.2200
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-11-05 · Valid as reference until 2026-11-12 · Request RFQ for live stock.
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Specification Summary

Package / Case
4-SMD, Gull Wing
Supplier Device Package
4-Mini-Flat
Voltage - Forward (Vf) (Typ)
1.5V (Max)
Voltage - Isolation
3750Vrms
Voltage - Off State
250 V
Current - DC Forward (If) (Max)
60 mA
Current - Hold (Ih)
250µA
Current - LED Trigger (Ift) (Max)
5mA
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 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Zero Crossing Circuit
Yes
Voltage - Off State
250 V
Static dV/dt (Min)
1kV/µs
Current - LED Trigger (Ift) (Max)
5mA
Current - On State (It (RMS)) (Max)
-
Current - Hold (Ih)
250µA
Turn On Time
-
Approval Agency
UL, VDE
Current - DC Forward (If) (Max)
60 mA
Output Type
Triac
Voltage - Forward (Vf) (Typ)
1.5V (Max)
Mounting Type
Surface Mount
Number of Channels
1
Operating Temperature
-55°C ~ 100°C
Package / Case
4-SMD, Gull Wing
Supplier Device Package
4-Mini-Flat
Voltage - Isolation
3750Vrms
MINI-FLAT PACKAGE ZERO CROSSING
Brand Introduction

QT Brightek is headquartered in the San Francisco bay area with sales, marketing and field application support throughout the Americas, Europe and Asia. The product families offered are SMT LED, thru-hole LEDs, LED displayss, optocoupler, IR devices, and custom modules.

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Buying FAQ — QTM3033T1

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

How do I buy QTM3033T1 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes QTM3033T1. 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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