01
Global sourcing
Reach beyond standard channels for obsolete, niche and difficult-to-locate components.
GLOBAL SEMICONDUCTOR SOURCING
Hard to find.
Critical to keep
you moving.
Obsolete parts. Long lead times. Uncommon packages.
We connect your production line to the components it needs.
HONG KONG · SHENZHEN · WORLDWIDE
THE RIGHT COMPONENT.
THE NEXT CHAPTER.01 / SINDEN
THE NEXT CHAPTER.01 / SINDEN
When you can’t find it, find SINDEN.Independent sourcing. Technical insight.
COMPONENTS WE SOURCE
AMD / Xilinx
Intel / Altera
Analog Devices
Infineon
Texas Instruments
NXP
01 / OUR EXPERTISE
Supply challenges.
Consider them covered.
Specialist support for the components that conventional supply chains leave behind.
02
Obsolescence support
Plan last-time buys and evaluate alternatives for long-life equipment.
03
Supply continuity
Secure available material and plan staged deliveries around production needs.
04
Technical verification
Compare specifications, packages and traceability before committing to a source.
02 / COMPONENT PORTFOLIO
Specialist parts.
A broader sourcing horizon.
FPGA & CPLD · Memory · MCU & DSP · Analog & Power · Discrete · RF · Power Modules
Our sourcing portfolio covers legacy families, niche packages and project-specific requirements. Availability is confirmed against your complete part number and required quantity.
Explore the product directory.
Part numbers, images, technical specifications and source price breaks.
FPGA & CPLD6 sourcing groups
Legacy programmable logic for communications and industrial equipment.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| AMD / Xilinx | Spartan-3 / 3E / 6 FPGA | XC3S400, XC6SLX45 / 75 / 100 |
| AMD / Xilinx | Virtex-4 / 5 / 6 FPGA | XC4VSX55, XC5VLX110T |
| AMD / Xilinx | XC9500 / CoolRunner-II CPLD | XC9572XL, XC2C64A |
| Intel / Altera | Cyclone I / II / III; Stratix II | EP1C6, EP2C35, EP3C40 |
| Intel / Altera | MAX 7000 / 3000; FLEX 10K | EPM7128, EPM3256, EPF10K |
| Lattice | ispMACH 4000; early XP / ECP | LC4064V, LFXP2, LFEC families |
Memory6 sourcing groups
Asynchronous SRAM, dual-port RAM, FIFO, legacy NOR Flash and EEPROM.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| Cypress | CY7C asynchronous SRAM; nvSRAM | CY7C1041, CY14B101 |
| Cypress | Dual-port RAM; FIFO | CY7C024, CY7C425 |
| IDT / Renesas | IDT70xx dual-port RAM; IDT72xx FIFO | IDT7005, IDT7203 |
| ISSI / Alliance | IS61 / AS6 asynchronous SRAM | IS61LV25616, AS6C1008 |
| Microchip / SST / Atmel | SST39 NOR Flash; AT93C EEPROM | SST39VF3201, AT93C66B |
| Micron / Numonyx | M29W NOR; early SDRAM / PSRAM | M29W320, MT45W families |
MCU & DSP7 sourcing groups
Established controllers for installed equipment, repair and long-life designs.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| Microchip | Early PIC16F / PIC18F | PIC16F877A, PIC18F452 |
| Microchip / Atmel | Classic ATmega; AT91SAM7 | ATmega8 / 16 / 128, AT91SAM7X256 |
| NXP / Freescale | MC68HC; LPC2000 ARM7; MPC8xx; early i.MX | MC68HC908, LPC2129, LPC2294, MPC860T |
| Texas Instruments | Early TMS320C2000 fixed-point DSP | TMS320F2407, TMS320F2812 |
| STMicroelectronics | ST7 8-bit MCU | ST7FLITE, ST72F families |
| Renesas | M16C / H8; legacy 78 / RX | M30626, H8/3687 |
| Cypress | PSoC 1 | CY8C24 family |
Analog, Interface & Power8 sourcing groups
Classic interfaces, amplifiers, regulators and drivers, including uncommon package variants.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| ADI / Maxim | MAX interface and analog | MAX232, MAX485, MAX256, MAX660 |
| ADI / Linear Technology | LT / LTC power management and amplifiers | LT1084, LT1175, LTC1147 |
| Renesas / Intersil | ICL charge pumps; HIP drivers; CA amplifiers; HIN interfaces | ICL7660, HIP4082, CA3140 |
| TI / National Semiconductor | LM regulators and amplifiers | LM317, LM337, LF411, LM2675 |
| ON / Fairchild | KA / MC power management and drivers | KA7805, MC33063, MC34152 |
| Analog Devices | Precision references and instrumentation amplifiers | REF02, AD620 grade-specific variants |
| STMicroelectronics | Motor drivers; early VIPer power ICs | L297, L298N, VIPer families |
| NXP / TI | Legacy logic devices | 74HC and 74-series variants |
Discrete Semiconductors6 sourcing groups
Power MOSFETs, bipolar transistors, thyristors, diodes and gate drivers.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| Infineon / International Rectifier | IRF / IRFP power MOSFETs | IRF540, IRF540N, IRF740, IRFP250N |
| Infineon / International Rectifier | IR21xx / IR23xx gate drivers | IR2110, IR2113, IR2184 |
| ON / Fairchild | FQP / FQPF MOSFETs; TIP Darlingtons | FQP50N06, TIP122, TIP127 |
| STMicroelectronics | TIP / BD power transistors; BTA / TYN thyristors | TIP35C, BTA16, TYN families |
| Vishay | SUP / Si MOSFETs; IRF variants | SUP85N, SiHF families |
| Specialist manufacturers | Small-signal diodes and transistors; maker to be confirmed | MMFTP4042K, DDTC144WUA |
RF & High-Reliability6 sourcing groups
RF power, microwave components and temperature-grade-specific sourcing.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| NXP RF | MRFE6 / MRF6S LDMOS power transistors | MRFE6S9060N, MRF6S21100 |
| NXP / Ampleon | BLF broadcast and base-station power transistors | BLF578, BLF188XR |
| ADI / Hittite | Legacy HMC mixers and amplifiers | HMC families |
| Qorvo / TriQuint | Early TQP / TGA RF components | TQP3M families |
| M/A-COM | MA4 / MAAP RF components | MA4P diodes, MAAP amplifiers |
| Multiple manufacturers | Extended-temperature and screened variants | Grade-specific /883 suffixes; full specification required |
Industrial Power Modules5 sourcing groups
Replacement sourcing for drives, inverters, UPS and long-serving industrial systems.
| MANUFACTURER / LEGACY BRAND | FOCUS FAMILIES | REPRESENTATIVE PARTS / SERIES |
|---|---|---|
| Infineon / EUPEC / IR | IGBT and power modules | FF, FS, FZ, EconoDUAL, EconoPACK |
| Mitsubishi Electric | PM intelligent power modules; CM IGBT modules | PM50, PM75, CM300 families |
| Semikron Danfoss | IGBT and thyristor modules | SKM, SKiiP, SEMITRANS, SKKH |
| Fuji Electric | Power semiconductor modules | 6MBI, 7MBR families |
| IXYS / SanRex / EUPEC | Thyristor and rectifier modules | Project-specific part numbers |
Portfolio compiled from SINDEN’s company profile. Family names and abbreviated part numbers describe sourcing scope, not confirmed stock or lifecycle status. Please specify the full ordering code, package, grade and quantity. Prices, availability, date codes and manufacturer lifecycle notices require individual confirmation. Brand references identify components only and do not imply authorized-distributor status.
03 / QUALITY & TECHNICAL SUPPORT
Confidence starts
with verification.
The right part is more than a matching number. We review source, specification and condition to help you make a confident sourcing decision.
Pin-compatible, functional and platform-level alternatives are assessed against your application. Final qualification remains specific to your design.
Source & documentation
Review supplier credentials, batch records and available traceability.
Specification & package
Compare electrical ratings, timing, temperature range, markings and package.
Inspection & testing
Agree an appropriate scope: visual inspection, X-ray, electrical tests or decapsulation where needed.
Release & delivery
Keep batch records and inspection documentation aligned with the agreed order requirements.
Production line at risk?
Prioritize urgent shortages and assess available sources against your delivery deadline.
Planning for obsolescence?
Evaluate last-time buys, replacement options and validation requirements.
Designing for the long term?
Identify vulnerable parts early and plan reserves and staged deliveries.
04 / ABOUT SINDEN
A global outlook.
A specialist focus.
SINDEN ELECTRONICS TECHNOLOGY LIMITED is a global semiconductor distributor focused on hard-to-find components and shortage sourcing. From urgent production gaps to long-term material planning, we combine sourcing expertise with technical evaluation.
Hong Kong
International trade and logistics coordination.
Room D3, 11/F, Luk Hop Industrial Building, 8 Luk Hop Street, San Po Kong, Kowloon, Hong Kong.Shenzhen
Operations, warehousing and quality coordination.
Close to the heart of electronics manufacturing.
Industrial automationEnergy & powerRail systemsMedical electronicsCommunicationsAutomotive electronicsResearch & instrumentation
LET’S KEEP YOUR PRODUCTION MOVING
Hard-to-find part?
Start with SINDEN.
From one critical component to a complex BOM, a clear sourcing brief helps us evaluate your requirements.
Sales enquiries
Frank@sindenhk.com
+852 8403 6568Hong Kong office
Room D3, 11/F, Luk Hop Industrial Building, 8 Luk Hop Street, San Po Kong, Kowloon, Hong Kong.
Frank@sindenhk.com
+852 8403 6568Hong Kong office
Room D3, 11/F, Luk Hop Industrial Building, 8 Luk Hop Street, San Po Kong, Kowloon, Hong Kong.