QT Brightek (QTB) QT852 — Discrete Semiconductors
Technical Documents PDF / CAD
RoHS Compliant · Lead-Free EIA-481 Standard
QT Brightek (QTB) / Discrete Semiconductors

QT Brightek (QTB) QT852

MPN QT852
Active Spot Stock · 24-48h Dispatch 100% Original Sealed

4 PIN HIGH POWER PHOTODARLINGTON

In Stock: 1,966 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$1.42 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$1.42
10+ pcs
$1.28
30+ pcs
$1.16
100+ pcs
$1.05
500+ pcs
$0.98
1,000+ pcs
$0.92
Working on a production BOM or have a target unit price? Submit Target Price
Buy Now

$1.42 / ea

1,966 in stock — maximum per order · 3–4 days lead time

$1.28 / ea from 10 pcs

Upload Full BOM List
[SPEC] Essential Parameters Snapshot Full Specifications (16)
Package / Case 4-DIP (0.300", 7.62mm)
Output / Current 150mA

Full Technical Specifications

16 Parameters
QT852 specifications
Parameter / AttributeSpecification / Value
SeriesOptocoupler
Input typeDC
Output typeDarlington
MountingThrough Hole
Voltage - isolation5000Vrms
Voltage - output350V
Voltage - forward (Vf)1.2V
Current - output (Channel)150mA
Current transfer ratio15000% @ 1mA
Current - DC forward (If)80 mA
Operating temperature-55°C ~ 100°C
PackageTube
Case4-DIP (0.300\", 7.62mm)
Channels1
Vce saturation1.2V
Rise (Fall time)250µs, 95µs (Max)
Series Sibling Variants

QT Brightek (QTB) Optocoupler Series Models

Sibling variants, package options, and speed/density grades in this QT Brightek (QTB) semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.

QT852
Verified Allocation
Quote