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Unisonic Technologies (UTC)

Founded in 1990 and headquartered in Taipei, Unisonic Technologies Company (UTC) is a global leader in integrated circuits and power semiconductor solutions. Operating under a full IDM (Integrated Device Manufacturer) model, UTC oversees every stage of production — from R&D and wafer fabrication to packaging, testing, and global marketing. With state-of-the-art facilities in Fuzhou and Xiamen and over 2,300 employees worldwide, UTC ensures superior quality, reliability, and consistency across all product lines.


UTC’s comprehensive portfolio includes analog ICs, MOSFETs, BJTs, diodes, and voltage regulators, designed for efficiency and performance across both industrial and consumer applications. The company’s products are known for exceptional thermal stability, high current capability, and robust circuit protection — addressing complex needs in energy systems, power management, and precision control. Certified under ISO 9001, ISO 14001, and IATF 16949, UTC upholds global quality standards that meet the demands of today’s electronic design environments.


UTC components power diverse sectors, from renewable energy, charging systems, and motor control to consumer electronics, lighting, communications, and smart home devices. Through IBS Electronics, access genuine UTC parts backed by reliable sourcing, ensuring competitive performance and supply assurance for all design and production needs.


Product Highlights


Series / Product LineSpecsBenefitsApplicationsKey Products (MPNs)
Audio Amplifier ICs (TDA Series)18–32W output, Hi-Fi audio amplification, single-channelLow distortion, high output efficiencyAudio systems, speaker drivers, consumer electronicsTDA2030AL-TB5-T
TDA2050L-TB5-T
TDA2003L-TB5-T
Voltage Regulators (LM / LD / TL Series)Adjustable and fixed output, 1.25V–37V, up to 1AStable output, overload and thermal protectionPower management, automation, embedded systemsLM317MG-AA3-R
LD1117AG-33-TA3-A-T
TL431K-T92-B
78L05G-AB3-R
Power MOSFETs (NM / 1N / 7N Series)N-channel / P-channel, 600V–650V, 7A–18AHigh efficiency, low RDS(on), fast switchingInverters, chargers, switching power supplies1N60G-AA3-R
18NM60L-TN3-L
7N65L-TF1-T
20NM60G2G-TN3-R
BJTs (2SA / 2SB / 2SC Series)NPN / PNP, 30V–230V, up to 3AHigh gain, low saturation voltageAmplification, switching, signal processing2SC1815L-GR-T92-B
2SB688L-O-T3P-T
2SB772L-P-T60-K
2SA1837L-TF3-T
2SC4793L-B-TF3-T
Op-Amps and Comparators (LM / LV Series)Single and dual-channel, 3V–32V supplyLow noise, rail-to-rail output, precision operationInstrumentation, control, and sensor circuitsLM321G-AE5-R
LM358G-S08-R
LV321G-AF5-R
LM393G-S08-R
Diodes and Rectifiers (1N / MGBR Series)100V–300V, 200mA–5AHigh-speed switching, low forward voltagePower conversion, rectification, signal conditioning1N4148G-CB2-R
MBR2060CG-TN3-R
MGBR5L300G-SMA-R
Interface and Driver ICs (ULN / UT Series)7-channel Darlington arrays, RS-232 driversHigh current output, TTL/CMOS compatibleRelay driving, communication modules, logic controlULN2003G-S16-R
ULN2803G-S18-R
UT3232G-S16-R
Optocouplers (UPC Series)5mA input current, LSOP-4 packageElectrical isolation, low input driveIsolation amplifiers, microcontroller interfacesUPC1008G-LS04-R
UPC1009L-LS04-R
Reset and Monitoring ICs (82N42 Series)Precision voltage detection, multiple package typesSystem protection, reliable voltage monitoringMicrocontrollers, embedded devices82N42G-AB3-E-R
82N42G-AF5-B-R
82N42G-T92-D-R

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