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QT4503

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QT4503

QT4503

QT Brightek (QTB)

8 PIN 1 MBITS HIGH SPEED PHOTOTR

QT4503 Datasheet

compliant

8-DIP (0.300", 7.62mm)

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

QT4503 Pricing & Ordering

Quantity Unit Price Ext. Price
1 $2.80000 $2.8
10 $2.48000 $24.8
40 $1.84000 $73.6
120 $1.60000 $192
280 $1.44000 $403.2
520 $1.28000 $665.6
1,000 $1.10000 -
2,520 $1.04000 -
5,000 $1.00000 -
80 items
Upload BOM File

QT4503 Purchase Assurance: Buy Confidently, Use Securely

Transparent & Traceable Sources

We source exclusively from verified channels to ensure authenticity:

  • Direct from manufacturer and OEMs
  • Authorized distributors
  • Market-vetted traders (3+ years stable supply)

Every batch is traceable with documented proof of origin.

Quality Inspection Process

We enforce strict checks to ensure components meet standards:

  • Visual: Appearance, markings, packaging, batch codes
  • X-ray: Pad consistency (on request)
  • Function test: Sample checks for specific models (upon request)
  • Reports: Available upon request
Flexible Payments & Terms

We adapt to your project needs:

  • T/T, PayPal, Credit Card
  • Credit terms for long-term partners (e.g., monthly, Net 15/30)
Reliable After-Sales Support

365 Days warranty with streamlined solutions:

  • Defective? Free returns/replacements
  • Fast reshipment or refund
  • Full-service sourcing: Procurement & payment support
Bom Cost Down
Bom Cost Down
Wholesale Prices for Every Order, Big or Small
Wholesale Prices for Every Order, Big or Small

QT4503 QT Brightek (QTB)

Name Value
Product Status Active
Number of Channels 1
Voltage - Isolation 5000Vrms
Current Transfer Ratio (Min) 19% @ 16mA
Current Transfer Ratio (Max) 50% @ 16mA
Turn On / Turn Off Time (Typ) 350ns, 350ns
Rise / Fall Time (Typ) -
Input Type DC
Output Type Transistor with Base
Voltage - Output (Max) 20V
Current - Output / Channel 8mA
Voltage - Forward (Vf) (Typ) 1.45V
Current - DC Forward (If) (Max) 25 mA
Vce Saturation (Max) -
Operating Temperature -55°C ~ 100°C
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP
Q1: What is the purchase guide for QT4503?
QT4503 of QT Brightek (QTB) is a 8 PIN 1 MBITS HIGH SPEED PHOTOTR. ICHOME is a long-term spot supplier of QT4503, supporting sample purchase and bulk order.
Q2: How to find the detailed information of QT4503?
Download QT4503 Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingQT4503 from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide QT4503 alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you QT4503 replacement suggestions, and then provide you with alternative products, supporting free sample delivery.
Q6: Why choose ICHOME?
Compared with ordinary agents, ICHOME provides full BOM matching, EOL judgment, alternative model suggestions, large stock + flexible procurement, test reports, return service
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