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Electronic Components Database and Shenzhen Sourcing

Search electronic components.Source through Shenzhen.

Research part numbers, manufacturers, lifecycle status, packaging, sourcing risks, and availability. Upload your BOM or request a manual Shenzhen supplier search for hard-to-find components.

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Technical data • Lifecycle information • Sourcing insights • Manual Shenzhen RFQs

01 — Database

Explore the Component Database

Browse by category, manufacturer, application, or lifecycle status. Every record separates verified technical data from sourcing intelligence.

Integrated circuits

Logic, interface, and general-purpose ICs across all major families.

TI, NXP, onsemi

e.g. SN74HC595N

Browse category →

Microcontrollers

8-bit to 32-bit MCUs, including long-lifecycle industrial families.

STMicro, Microchip, Renesas

e.g. STM32F103C8T6

Browse category →

Memory

DRAM, NAND, NOR flash, EEPROM — including EOL densities.

Samsung, Micron, Winbond

e.g. K4B2G1646F-BYK0

Browse category →

Analog components

Op-amps, comparators, data converters, references.

Analog Devices, TI

e.g. AD8606ARZ

Browse category →

Power management

Regulators, converters, PMICs, gate drivers, supervisors.

TI, Infineon, MPS

e.g. TPS5430DDAR

Browse category →

FPGAs & programmable logic

FPGAs, CPLDs, and configuration memory — frequent shortage targets.

AMD Xilinx, Intel, Lattice

e.g. XC6SLX9-2TQG144C

Browse category →

Sensors

MEMS, temperature, pressure, optical, and current sensing.

Bosch, STMicro, Sensirion

e.g. BME280

Browse category →

MOSFETs & transistors

Discrete FETs, BJTs, IGBTs in all package classes.

Infineon, onsemi, Vishay

e.g. IRF540NPBF

Browse category →

Connectors

Board-to-board, FFC/FPC, RF, and legacy connector series.

TE, Molex, JST, Hirose

e.g. SM04B-SRSS-TB

Browse category →

Displays

TFT, OLED, and character modules, including discontinued panels.

Sharp, Winstar, EA

e.g. EA DOGM128E-6

Browse category →

Passive components

MLCCs, resistors, inductors, crystals, and filters.

Murata, TDK, Yageo

e.g. GRM188R71H104KA93D

Browse category →

Communication ICs

Ethernet, CAN, RS-485, RF transceivers, and wireless SoCs.

TI, NXP, Espressif

e.g. MAX3485ESA+

Browse category →
02 — Manufacturers

Research by manufacturer

Part families, lifecycle records, and sourcing notes organized per manufacturer. Listing implies no commercial relationship.

Texas InstrumentsAnalog, power, embeddedLifecycle data availableSTMicroelectronicsMCUs, sensors, powerLifecycle data availableNXPAutomotive, MCUs, interfaceLifecycle data availableMicrochipMCUs, memory, analogLifecycle data availableInfineonPower, MOSFETs, securityLifecycle data availableAnalog DevicesPrecision analog, RFLifecycle data availableonsemiPower, discretes, sensingLifecycle data availableRenesasMCUs, clocks, powerLifecycle data availableAMD XilinxFPGAs, adaptive SoCsLifecycle data availableIntelFPGAs, processorsLifecycle data availableSamsungMemory, storageLifecycle data availableMicronDRAM, NAND, NORLifecycle data available
03 — Part record

Every part number is a record, not a listing

Preview of a component page. Technical data and sourcing data are separate but connected — each carries its own source label.

STMicroelectronics — Microcontrollers

STM32F103C8T6

32-bit ARM Cortex-M3 MCU, 72 MHz, 64 KB flash, 20 KB SRAM, USB, CAN, LQFP-48. Widely used; a frequent target of re-marking — verify sourcing channel.

Lifecycle: ActiveLQFP-48SMTRoHS compliantShenzhen RFQ available
Technical data

Source: manufacturer data / datasheet-derived · Confirmed · Last updated 12 Jul 2026

CoreARM Cortex-M3, 72 MHz
Flash / SRAM64 KB / 20 KB
Supply voltage2.0 – 3.6 V
Operating temp−40 °C to +85 °C
PackageLQFP-48, 7 × 7 mm
MountingSurface mount
InterfacesUSB 2.0 FS, CAN 2.0B, 2×SPI, 2×I²C, 3×USART
Pin count48
RoHS / REACHCompliant / No SVHC listed
ECCN3A991.a.2
Shenzhen sourcing intelligence

Source: manual sourcing data / supplier-reported · Manual verification required

Standard distributionAvailable — lead times vary
Lifecycle statusActive (ST, confirmed)
Shenzhen sourcingManual RFQ available
Small quantitiesTypically available
SamplesOn request
Testing optionsVisual, X-ray, electrical
Last manual inquiryJun 2026
Known alternatives
STM32F103CBT6Same family, 128 KB flash — review required
GD32F103C8T6Pin-compatible clone — firmware review required
APM32F103C8T6Pin-compatible — full qualification required

Alternatives must be reviewed for electrical, mechanical, firmware, compliance, and application compatibility.

04 — Shenzhen sourcing

Beyond Standard Distribution

When normal distribution cannot meet the requirement, submit the part number or BOM for a manual Shenzhen supplier search. Shenzhen Depot is most useful when:

  • Authorized distributors are out of stock
  • A component is obsolete or discontinued
  • Lead times are too long for production
  • Small quantities fall below distributor MOQs
  • A shortage is stopping a production line
  • You need replacement or alternative components
  • A legacy product still requires old components
Request a Manual Search
Sourcing intelligence — example card

Statuses are assigned per part after review. No live Shenzhen stock is shown.

Standard distributor availabilityLimited availability
Lifecycle statusObsolete
Shenzhen sourcing statusManual sourcing recommended
Small-quantity availabilityShenzhen RFQ required
Sample availabilityOn request
Testing optionsVisual · X-ray · electrical
ReviewManual review required
05 — BOM tool

Upload Your BOM for Component Review

Upload an electronic component BOM to identify part numbers, manufacturers, lifecycle issues, sourcing gaps, and components requiring manual Shenzhen quotations. Every submitted BOM is reviewed before supplier outreach.

Accepted formats:XLSXXLSCSVPDF
Example analysis — controller-board-rev4.xlsxIllustrative sample, not live data
LinePart numberManufacturerQtyMatchLifecycleStandard availabilityRiskAction
01TPS5430DDARTexas Instruments1,200Exact matchActiveIn stock — authorizedLowStandard channel
02STM32F103C8T6STMicroelectronics2,400Exact matchActiveLimitedMediumManual review
03XC6SLX9-2TQG144CAMD Xilinx180Exact matchActiveLong lead — 26 wkMediumRequest Shenzhen quote
04K4B2G1646F-BYK0Samsung320Exact matchObsoleteNone — EOL 2023HighRequest Shenzhen quote
05MAX232CP…—60Part number incomplete———Manual review
06ATMEGA328P-AUMicrochip5,000Alternative availableActiveLimitedMediumCompare alternatives
View BOM Requirements
06 — Process

How sourcing works

Sourcing is manually managed at this stage — a person reviews every request before any supplier is contacted.

01

Search or submit a part

Enter a part number or upload a complete BOM.

02

Review component data

Check specifications, lifecycle, packaging, and sourcing notes.

03

Request Shenzhen sourcing

Ask our team to search relevant Shenzhen suppliers for unavailable or difficult components.

04

Receive structured options

Review price, quantity, lead time, packaging, disclosed condition, testing availability, and supplier information.

07 — Risk

Understand the Sourcing Risk

Independent-channel sourcing carries real risks. Know what they mean, why they matter, and what to request before you buy.

Counterfeit components

Parts that are not what the marking claims — blanks, wrong dies, or empty packages.

Request: Traceability documents, X-ray and decapsulation testing, electrical verification.

Re-marked components

Genuine but lower-grade parts re-labeled as faster, newer, or industrial-temp variants.

Request: Surface permanency testing, marking comparison against a known-good reference.

Refurbished components

Recovered parts cleaned and re-balled or re-tinned, sold without disclosure.

Request: Disclosed condition category, lead/ball inspection, solderability testing.

Used or pulled components

Parts removed from scrapped boards; function may be degraded or lifespan shortened.

Request: Condition disclosure, sample electrical testing before full shipment.

Mixed date codes

One shipment spanning many production lots — a problem for traceability and reflow profiles.

Request: Date-code listing per quantity, lot photographs before shipment.

Lack of traceability

No documented chain from manufacturer to seller — the root condition behind most other risks.

Request: Any available chain documentation, plus independent testing when absent.

Supplier screening and testing can reduce risk but cannot guarantee the authenticity, quality, or performance of every component.

08 — Obsolete components

Source Obsolete and Discontinued Electronic Components

Legacy equipment doesn't stop needing parts when the manufacturer stops making them. Search obsolete part numbers, review lifecycle history and last-time-buy records, then request a manual Shenzhen search — with testing options and disclosed condition on every offer.

Search obsolete part numbers→Upload a legacy BOM→Request Shenzhen sourcing→Ask about alternatives→Review risk and testing information→
09 — Provenance

Where the data comes from

Not all data is equally authoritative. Every field carries a source label and a confidence level, and important records show a last-updated date.

Manufacturer dataDatasheet-derivedPublic compliance dataDistributor dataShenzhen Depot editorial reviewSupplier-reportedBuyer-reportedManual sourcing data
Confidence levels
ConfirmedVerified against two or more independent sources
Manufacturer-sourcedTaken directly from manufacturer publications
Third-party sourcedFrom distributors or public databases
Supplier-reportedClaimed by a supplier, not yet verified
Manual verification requiredUse only as a starting point for review
10 — Who it's for

Built for Electronics Procurement

Hardware startups
Electronics manufacturers
Contract manufacturers
PCB assembly companies
Industrial maintenance teams
Repair companies
MRO purchasing departments
Independent distributors
Product development teams
Legacy equipment operators
11 — Knowledge hub

Sourcing guides and technical reference

Practical guides for buyers and engineers. Every article links back to part search, BOM upload, and quote requests.

Component sourcing

Lifecycle management

Authenticity & testing

Technical reference

12 — Request a quote

Request a Shenzhen quote

For one part, several components, an entire BOM, or an obsolete component you can't find anywhere else. Our team reviews every request before contacting suppliers.

You'll receive structured options: price, quantity, lead time, packaging, disclosed condition, testing availability, and supplier information — never a "buy now" button.

Reviewed by a person before any supplier outreach.

Search the Part.Understand the Risk.Request the Source.

Search ComponentsUpload BOMRequest Quote