
STMicroelectronics · LQFP-48
ARM Cortex-M3 32-bit microcontroller, 64 KB Flash, 20 KB SRAM.
Resistors · Capacitors · ICs · Connectors · Sensors
DFL ELECTRONIC supplies passive components, semiconductors, connectors and sensors to engineers and procurement teams. Search by part number, check stock position and send one RFQ for your whole bill of materials.

Years in Distribution
Active SKUs
Customers Served
Quote Response
Brands we distribute
Texas Instruments
STMicroelectronics
Murata
Infineon
NXP
Vishay
onsemi
TDKCatalog
Eight core categories covering passive components, semiconductors, interconnects and sensing devices.
In Stock Now
A snapshot of moving items from the warehouse. Stock position is updated with each quotation.

STMicroelectronics · LQFP-48
ARM Cortex-M3 32-bit microcontroller, 64 KB Flash, 20 KB SRAM.




XKB Connectivity · SMD 4-Pin
SMD tactile push button switch, 50 mA at 12 VDC, 160 gf.

Bosch Sensortec · LGA-8
Combined humidity, pressure and temperature sensor, I2C / SPI.


Songle Relay · THT 5-Pin
General purpose power relay, 5 VDC coil, 10 A contact rating.
Our Story
Founded in 2013 in Shenzhen, Defulai pairs rigorous incoming inspection with professional technical support, a stable upstream supply chain and standardized warehouses for fast spot delivery.
2013
Founded in Shenzhen
3
Stage QC Inspection
24h
Quotation Turnaround
100%
Batch Traceability
Why DFL
From authorized sourcing to incoming inspection and consolidated delivery, every step is documented so your purchase records stay auditable.
Parts are procured through authorized distributors and verified original channels, with traceable lot records for every shipment.
Each batch goes through visual, dimensional and electrical sampling checks before it is released to the warehouse shelf.
Sales engineers reply to RFQs within one business day, including stock position, lead time and reference pricing.
Consolidated packing, ESD protection and multiple freight options for prototype runs and volume production alike.

How It Works
Five steps, one RFQ. No account required to request a quotation.
Filter by part number, category or package.
Add lines to your RFQ and send it in one step.
Stock, price break and lead time confirmed.
Approve the proforma invoice and terms.
Inspected, packed and shipped worldwide.
News & Insights
Stock updates, inspection process notes and component selection guides for hardware teams.
Send us the part number, quantity and target delivery window. Our sales engineers will check sourcing options and reply with a quotation.