IC Chips

74 series Digital Integrated Circuits

CD40 series Digital Integrated Circuits

Optical Couplers

Clock & Calculator ICs

Operational Amplifiers

Power Switch Ics

Driver Ics

Flash Memory

Memory

Audio Special Purpose

Clock/Timing - Application Specific

Clock/Timing - Clock Buffers, Drivers

Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

Clock/Timing - Delay Lines

Clock/Timing - IC Batteries

Clock/Timing - Programmable Timers and Oscillators

Clock/Timing - Real Time Clocks

Data Acquisition - ADCs/DACs - Special Purpose

Data Acquisition - Analog Front End (AFE)

Data Acquisition - Analog to Digital Converters (ADC)

Data Acquisition - Digital Potentiometers

Data Acquisition - Digital to Analog Converters (DAC)

Data Acquisition - Touch Screen Controllers

Embedded - CPLDs (Complex Programmable Logic Devices)

Embedded - DSP (Digital Signal Processors)

Embedded - FPGAs (Field Programmable Gate Array)

Embedded - FPGAs (Field Programmable Gate Array) with Microcontrollers

Embedded - Microcontroller, Microprocessor, FPGA Modules

Embedded - Microcontrollers

Embedded - Microcontrollers - Application Specific

Embedded - Microprocessors

Embedded - PLDs (Programmable Logic Device)

Embedded - System On Chip (SoC)

Interface - Analog Switches - Special Purpose

Interface - Analog Switches, Multiplexers, Demultiplexers

Interface - CODECs

Interface - Controllers

Interface - Direct Digital Synthesis (DDS)

Interface - Drivers, Receivers, Transceivers

Interface - Encoders, Decoders, Converters

Interface - Filters - Active

Interface - I/O Expanders

Interface - Modems - ICs and Modules

Interface - Modules

Interface - Sensor and Detector Interfaces

Interface - Sensor, Capacitive Touch

Interface - Serializers, Deserializers

Interface - Signal Buffers, Repeaters, Splitters

Interface - Signal Terminators

Interface - Specialized

Interface - Telecom

Interface - UARTs (Universal Asynchronous Receiver Transmitter)

Interface - Voice Record and Playback

Linear - Amplifiers - Audio

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

Linear - Amplifiers - Special Purpose

Linear - Amplifiers - Video Amps and Modules

Linear - Analog Multipliers, Dividers

Linear - Comparators

Linear - Video Processing

Logic - Buffers, Drivers, Receivers, Transceivers

Logic - Comparators

Logic - Counters, Dividers

Logic - FIFOs Memory

Logic - Flip Flops

Logic - Gates and Inverters

Logic - Gates and Inverters - Multi-Function, Configurable

Logic - Latches

Logic - Multivibrators

Logic - Parity Generators and Checkers

Logic - Shift Registers

Logic - Signal Switches, Multiplexers, Decoders

Logic - Specialty Logic

Logic - Translators, Level Shifters

Logic - Universal Bus Functions

Memory - Batteries

Memory - Configuration Proms for FPGAs

Memory - Controllers

PMIC - AC DC Converters, Offline Switchers

PMIC - Battery Chargers

PMIC - Battery Management

PMIC - Current Regulation/Management

PMIC - Display Drivers

PMIC - Energy Metering

PMIC - Full, Half-Bridge Drivers

PMIC - Gate Drivers

PMIC - Hot Swap Controllers

PMIC - Laser Drivers

PMIC - LED Drivers

PMIC - Lighting, Ballast Controllers

PMIC - Motor Drivers, Controllers

PMIC - OR Controllers, Ideal Diodes

PMIC - PFC (Power Factor Correction)

PMIC - Power Distribution Switches, Load Drivers

PMIC - Power Management - Specialized

PMIC - Power Over Ethernet (PoE) Controllers

PMIC - Power Supply Controllers, Monitors

PMIC - RMS to DC Converters

PMIC - Supervisors

PMIC - Thermal Management

PMIC - V/F and F/V Converters

PMIC - Voltage Reference

PMIC - Voltage Regulators - DC DC Switching Controllers

PMIC - Voltage Regulators - DC DC Switching Regulators

PMIC - Voltage Regulators - Linear

PMIC - Voltage Regulators - Linear + Switching

PMIC - Voltage Regulators - Linear Regulator Controllers

PMIC - Voltage Regulators - Special Purpose

Specialized ICs

Modules

IGBT

IPM

Thyristors

Rectifiers

Power Supply

Smart Power Module

SCR,GTO and Diode

FET

Darlington Transistors

RF Modules

CNC PRODUCTS

ENCODER

Motor

Servo drive & amplifier & Servo

Diode Module

Transistor Module

Switch Relay

PLC

Inverter

Contactor & Breaker

Elevator Board

Industry Control

Transistors

Diodes

Bipolar transistors

Resistors

Carbon Film Resistors

Cement Resistors

Chassis Mount Resistors

Chip Resistor - Surface Mount

Current Sense Resistors

Fusible Chip Resistor

High Precision & Low TCR SMD Resistors

High Voltage Resistor

LED Strip Resistors

MELF Resistor

Metal Alloy Resistors

Metal Film Resistor (TH)

Metal Glaze Resistors

Metal Oxide Film Resistors

Metal Oxide Resistors

NTC Thermistors

PTC Thermistors

Photoresistors

Potentiometers & Variable Resistors

Precision Potentiometer

Resistor Networks & Arrays

Resistor Networks & Arrays (TH)

Ultra Low Resistors (SMD)

Variable Resistors

Varistors

Wirewound Resistors

Capacitors

Aluminum Electrolytic Capacitors - SMD

CL21 Capacitor

Ceramic Disc Capacitors

High Voltage Capacitors

Metallized Polyester Film Capacitor

Multilayer Ceramic Capacitors MLCC - Leaded

Multilayer Ceramic Capacitors MLCC - SMD/SMT

Mylar Capacitor

Niobium Oxide Capacitors

Polyester Film Capacitors

Solid Polymer Electrolytic Capacitor

Supercapacitors & Ultracapacitors

Suppression Capacitors

Tantalum Capacitors

Trimmers, Variable Capacitors

Inductors & Ferrite Beads & Transformers

Antennas

Current Transformers

General Inductors (TH)

HF Inductors

Inductors (SMD)

LINE Filter

Power Inductors

Power Transformer

RJ45 Transformer

Radial Inductor (TH)

The circular inductors

Crystals

49S

49SMD

49U

Ceramic Resonators

DIP Oscillators(XO)

Radial Cylinder Crystals

SAW Resonators

SMD Crystals

SMD Oscillators(XO)

Connectors

AV Connectors

Audio & Video Connectors

Banana and Tip Connectors

Card Edge Connectors

Circular Connectors

Connector - Card Sockets

Connectors

Connectors - Accessories

Connectors - Housings

Contacts

D-Sub Connectors

Ethernet Connectors/Modular Connectors

FFC, FPC (Flat Flexible) Connectors

Fiber Optic Connectors

IC & Component Sockets

LED Light Pipes

Mezzanine Connectors (Board to Board)

PCB Connectors - Headers, Male Pins

PCB Connectors - Headers, Receptacles, Female Sockets

PCB Connectors - Housings

Power Connectors

RF Connectors/Coaxial Connectors

Shunts & Jumpers

Terminal Blocks - Accessories

Terminal Blocks - Barrier Blocks

Terminal Blocks - Din Rail, Channel

Terminal Blocks - Headers, Plugs and Sockets

Terminals

Test Clips

Test Points/Test Rings

USB Connectors

Unspecified Connectors

Screw-type wiring

Spring-type wiring

Pluggable Terminal Blocks

Through-wall Terminal Blocks

Automotive Terminals

Terminal Housings, Insulation Sleeves & Blocks

Quick Disconnect Wire Connectors and Terminals

Spare & Wear Tooling

Automotive Connectors

PCB Connectors

Sign In

3.Enter "account center"->"My inquiries" and check the status of your inquiries

Dear customers, due to the implementation of the GDPR policy in Europe, UTSOURCE has also made adjustment accordingly to meet the policy requirements. Please read the new privacy policy carefully and this window will no longer pop up after you accept it.

I agree all UTSOURCE Terms & Conditions,Privacy Statement
Agree Later Submit

Delivery Address

Alternate Text

+ Add Address

Confirm

The new shipping address

*Country/Region :
*Contact :
*Cell Phone:
+

* Please fill in the cell phone number correctly to make sure that you can receive the tracking info in time.

Country Code
*Address :
*City :
Province/State :
*Province/State :
*Post Code :
Please enter a new 5-digit zip code..
Company :
Cancel
Submit

PMIC - Voltage Regulators - Special Purpose

Filters:
clear
Alternate Text
relate product result :4068 items
Alternate Text Utsource
MAX8728ETJ+

Enlarge

Used and refurbished parts guaranteed can work well

MAX8728ETJ+

QFN-32

Maxim Integrated

07+

IC REG CONV TFT LCD 4OUT 32TQFN

Utsource

≥1:

C$9.04235

C$8.13812

≥5:

C$8.59023

C$7.73121

≥10:

C$8.13812

C$7.32431

≥20:

C$7.91206

C$7.12085

≥50:

C$7.68600

C$6.91740

≥100:

C$7.45994

C$6.71395

≥200:

C$7.23388

C$6.51050

≥500:

C$7.14346

C$6.42911

≥1000:

C$7.00782

C$6.30704

From: C$7.00782

Stock:10000

Minimum:1

Favorite

ISL95831HRTZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL95831HRTZ

QFN

Renesas Electronics America

Intersil Power Management Solutions

Utsource

≥1:

C$3.67139

C$3.30425

≥10:

C$2.75011

C$2.47510

≥50:

C$1.82882

C$1.64594

≥100:

C$1.65007

C$1.48506

From: C$1.65007

Stock:10000

Minimum:2

Favorite

MP8125EF-LF-Z

Enlarge

Used and refurbished parts guaranteed can work well

MP8125EF-LF-Z

MSOP-16

MPS

2011

IC REG CONV LNB 1OUT 16TSSOP

Utsource

≥1:

C$1.53852

C$1.38467

≥5:

C$1.15389

C$1.03850

≥10:

C$0.80772

C$0.72695

≥20:

C$0.76926

C$0.69233

≥50:

C$0.69234

C$0.62310

≥100:

C$0.67310

C$0.60579

≥200:

C$0.65387

C$0.58848

≥500:

C$0.63464

C$0.57118

≥1000:

C$0.61541

C$0.55386

From: C$0.61541

Stock:10000

Minimum:2

Favorite

ISL6566IRZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL6566IRZ

QFN

Intersil

05+

Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10 , and AMD Hammer Applications

Utsource

≥1:

C$3.38098

C$3.04288

≥5:

C$2.25399

C$2.02859

≥10:

C$2.02859

C$1.82573

≥20:

C$1.97224

C$1.77502

≥50:

C$1.91589

C$1.72430

≥100:

C$1.85954

C$1.67359

≥200:

C$1.80319

C$1.62287

≥500:

C$1.78065

C$1.60259

≥1000:

C$1.74684

C$1.57216

From: C$1.74684

Description: ISL6566IRZ is a high-performance, low-noise, low-dropout (LDO) linear regulator with integrated power MOSFETs. Features: - Output voltage range: 0.8V to 5.5V - Output current up to 1.5A

Stock:10000

Minimum:2

Favorite

IRIS4013

Enlarge

Used and refurbished parts guaranteed can work well

IRIS4013

TO-220

International Rectifier

05+

INTEGRATED SWITCHER

Utsource

≥1:

C$6.01064

C$5.40957

≥5:

C$5.71010

C$5.13909

≥10:

C$5.40957

C$4.86862

≥20:

C$5.25931

C$4.73337

≥50:

C$5.10904

C$4.59814

≥100:

C$4.95877

C$4.46290

≥200:

C$4.80851

C$4.32766

≥500:

C$4.74840

C$4.27356

≥1000:

C$4.65824

C$4.19242

From: C$4.65824

Stock:10000

Minimum:1

Favorite

ISL6265HRTZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL6265HRTZ

QFN-48

Intersil

0744+

Multi-Output Controller with Integrated MOSFET Drivers for AMD SVI Capable

Utsource

≥1:

C$5.25931

C$4.73337

≥5:

C$4.99634

C$4.49671

≥10:

C$4.73337

C$4.26004

≥20:

C$4.60189

C$4.14170

≥50:

C$4.47041

C$4.02337

≥100:

C$4.33893

C$3.90503

≥200:

C$4.20744

C$3.78670

≥500:

C$4.15485

C$3.73936

≥1000:

C$4.07596

C$3.66837

From: C$4.07596

Stock:10000

Minimum:1

Favorite

LNBP21PD

Enlarge

Used and refurbished parts guaranteed can work well

LNBP21PD

SOP-20

STMicroelectronics

0835+

LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE

Utsource

≥1:

C$5.65147

C$5.08632

≥5:

C$5.36890

C$4.83201

≥10:

C$5.08632

C$4.57769

≥20:

C$4.94504

C$4.45053

≥50:

C$4.80375

C$4.32337

≥100:

C$4.66246

C$4.19622

≥200:

C$4.52118

C$4.06906

≥500:

C$4.46466

C$4.01820

≥1000:

C$4.37989

C$3.94190

From: C$4.37989

Manufacturer: STMicroelectronics Description: Low-Dropout Positive Voltage Regulator Package/Case: SOP-20 Features: Output voltage accuracy: ±2% Output current: up to 1A Low dropout voltage:

Stock:10000

Minimum:1

Favorite

ISL95836HRTZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL95836HRTZ

QFN-40

Intersil

11+

IC REG IMVP-7 VR12 2OUT 40TQFN

Utsource

≥1:

C$3.95603

C$3.56043

≥5:

C$2.63735

C$2.37362

≥10:

C$2.37362

C$2.13626

≥20:

C$2.30768

C$2.07692

≥50:

C$2.24175

C$2.01758

≥100:

C$2.17582

C$1.95823

≥200:

C$2.10988

C$1.89890

≥500:

C$2.08351

C$1.87516

≥1000:

C$2.04395

C$1.83955

From: C$2.04395

Stock:10000

Minimum:2

Favorite

FAN1587AD33X

Enlarge

Used and refurbished parts guaranteed can work well

FAN1587AD33X

SOT252

Fairchild

12+

3A Adjustable/Fixed Low Dropout Linear Regulator

Utsource

≥1:

C$1.22435

C$1.10191

≥5:

C$0.91826

C$0.82643

≥10:

C$0.64278

C$0.57850

≥20:

C$0.61217

C$0.55096

≥50:

C$0.55096

C$0.49586

≥100:

C$0.53565

C$0.48209

≥200:

C$0.52035

C$0.46831

≥500:

C$0.50504

C$0.45454

≥1000:

C$0.48974

C$0.44076

From: C$0.48974

Description: FAN1587AD33X is a low-dropout (LDO) linear regulator with a maximum output current of 1.5A, designed to provide a regulated output voltage from an input voltage of 2.5V to 6V. Features:

Stock:10000

Minimum:3

Favorite

ISL62881HRTZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL62881HRTZ

QFN-28

Intersil

Single-Phase PWM Regulator for IMVP-6.5? Mobile CPUs and GPUs

Utsource

≥1:

C$1.92315

C$1.73083

≥5:

C$1.28210

C$1.15389

≥10:

C$1.15389

C$1.03850

≥20:

C$1.12184

C$1.00965

≥50:

C$1.08979

C$0.98081

≥100:

C$1.05773

C$0.95196

≥200:

C$1.02568

C$0.92311

≥500:

C$1.01287

C$0.91158

≥1000:

C$0.99363

C$0.89426

From: C$0.99363

Stock:10000

Minimum:2

Favorite

ISL6227CA

Enlarge

Used and refurbished parts guaranteed can work well

ISL6227CA

SSOP-28

Intersil

04+

Octal D-Type Transparent Latches With 3-State Outputs 20-SSOP -40 to 85

Utsource

≥1:

C$4.52118

C$4.06906

≥5:

C$3.01412

C$2.71271

≥10:

C$2.71271

C$2.44144

≥20:

C$2.63735

C$2.37362

≥50:

C$2.56200

C$2.30580

≥100:

C$2.48665

C$2.23798

≥200:

C$2.41129

C$2.17016

≥500:

C$2.38115

C$2.14304

≥1000:

C$2.33594

C$2.10235

From: C$2.33594

Stock:10000

Minimum:2

Favorite

ISL6266AHRZ

Enlarge

Used and refurbished parts guaranteed can work well

ISL6266AHRZ

QFN-48

Intersil

Two-Phase Core Regulator for IMVP-6 Mobile CPUs; Temperature Range: 0&degC to 70°C; Package: 48-QFN

Utsource

≥1:

C$3.76765

C$3.39088

≥5:

C$3.57926

C$3.22134

≥10:

C$3.39088

C$3.05179

≥20:

C$3.29669

C$2.96702

≥50:

C$3.20250

C$2.88225

≥100:

C$3.10831

C$2.79748

≥200:

C$3.01412

C$2.71271

≥500:

C$2.97644

C$2.67880

≥1000:

C$2.91993

C$2.62793

From: C$2.91993

Stock:10000

Minimum:2

Favorite

A8293SESTR-T

Enlarge

Used and refurbished parts guaranteed can work well

A8293SESTR-T

QFN20

Allegro

Single LNB Supply and Control Voltage Regulator

Utsource

≥1:

C$3.95603

C$3.56043

≥5:

C$2.63735

C$2.37362

≥10:

C$2.37362

C$2.13626

≥20:

C$2.30768

C$2.07692

≥50:

C$2.24175

C$2.01758

≥100:

C$2.17582

C$1.95823

≥200:

C$2.10988

C$1.89890

≥500:

C$2.08351

C$1.87516

≥1000:

C$2.04395

C$1.83955

From: C$2.04395

Description: A8293SESTR-T is a high-performance, low-cost, single-channel, low-side gate driver IC from Allegro MicroSystems. Features: High-performance, low-cost single-channel low-side gate drive

Stock:10000

Minimum:2

Favorite

MAX8727ETB+

Enlarge

Used and refurbished parts guaranteed can work well

MAX8727ETB+

QFN-10

Maxim Integrated

IC DC/DC CONV TFT-LCD 10-TDFN

Utsource

≥1:

C$2.23798

C$2.01418

≥5:

C$1.49199

C$1.34279

≥10:

C$1.34279

C$1.20851

≥20:

C$1.30549

C$1.17494

≥50:

C$1.26818

C$1.14137

≥100:

C$1.23089

C$1.10780

≥200:

C$1.19359

C$1.07423

≥500:

C$1.17867

C$1.06080

≥1000:

C$1.15630

C$1.04067

From: C$1.15630

Description: Low-Dropout (LDO) Linear Regulator Features: Output Voltage Range: 0.8V to 5.5V Maximum Output Current: 2A Dropout Voltage: 0.2V (Typ) at 2A Low Quiescent Current: 20μA (Typ) Low Noi

Stock:10000

Minimum:2

Favorite

NCP6151S52MNR2G

Enlarge

Used and refurbished parts guaranteed can work well

NCP6151S52MNR2G

QFN-52P

On Semiconductor

12+

VR12 2-, 3-, 4-Phase CPU Controller + 1-Phase GPU Controller

Utsource

≥1:

C$3.95603

C$3.56043

≥5:

C$2.63735

C$2.37362

≥10:

C$2.37362

C$2.13626

≥20:

C$2.30768

C$2.07692

≥50:

C$2.24175

C$2.01758

≥100:

C$2.17582

C$1.95823

≥200:

C$2.10988

C$1.89890

≥500:

C$2.08351

C$1.87516

≥1000:

C$2.04395

C$1.83955

From: C$2.04395

Stock:10000

Minimum:2

Favorite

NCP5388MNR2G

Enlarge

Used and refurbished parts guaranteed can work well

NCP5388MNR2G

QFN-40

On Semiconductor

07+

2/3/4 PHASE CONTROLLER; Package: QFN40 7*7*0.9 0.5 P; No of Pins: 40; Container: Tape and Reel; Qty per Container: 2500

Utsource

≥1:

C$3.76765

C$3.39088

≥5:

C$3.57926

C$3.22134

≥10:

C$3.39088

C$3.05179

≥20:

C$3.29669

C$2.96702

≥50:

C$3.20250

C$2.88225

≥100:

C$3.10831

C$2.79748

≥200:

C$3.01412

C$2.71271

≥500:

C$2.97644

C$2.67880

≥1000:

C$2.91993

C$2.62793

From: C$2.91993

Stock:10000

Minimum:2

Favorite

LNBH23PPR

Enlarge

Used and refurbished parts guaranteed can work well

LNBH23PPR

SSOP24

STMicroelectronics

2009+

LNBs supply and control IC with step-up and I2C interface

Utsource

≥1:

C$8.70409

C$7.83368

≥10:

C$6.53150

C$5.87835

≥50:

C$4.35892

C$3.92303

≥100:

C$3.91890

C$3.52701

From: C$3.91890

The LNBH23PPR is a low noise block (LNB) downconverter from STMicroelectronics. It is a low-noise, high-linearity, single-conversion downconverter designed for use in satellite TV reception applicatio

Stock:10000

Minimum:1

Favorite

MAX1711EEG

Enlarge

Used and refurbished parts guaranteed can work well

MAX1711EEG

SSOP-24

Maxim Integrated

00+

High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs

Utsource

≥1:

C$4.54378

C$4.08940

≥5:

C$3.02919

C$2.72627

≥10:

C$2.72626

C$2.45364

≥20:

C$2.65054

C$2.38549

≥50:

C$2.57482

C$2.31733

≥100:

C$2.49908

C$2.24917

≥200:

C$2.42335

C$2.18102

≥500:

C$2.39306

C$2.15376

≥1000:

C$2.34762

C$2.11285

From: C$2.34762

The MAX1711EEG is an integrated circuit (IC) manufactured by Maxim Integrated. It is a low-dropout (LDO) linear regulator with a maximum output current of 1.5A. The device is available in a 24-pin SSO

Stock:10000

Minimum:2

Favorite

NCP5214MNR2G

Enlarge

Used and refurbished parts guaranteed can work well

NCP5214MNR2G

QFN-22

On Semiconductor

06+

IC REG CTRLR DDR 2OUT 22DFN

Utsource

≥1:

C$3.38098

C$3.04288

≥5:

C$2.25399

C$2.02859

≥10:

C$2.02859

C$1.82573

≥20:

C$1.97224

C$1.77502

≥50:

C$1.91589

C$1.72430

≥100:

C$1.85954

C$1.67359

≥200:

C$1.80319

C$1.62287

≥500:

C$1.78065

C$1.60259

≥1000:

C$1.74684

C$1.57216

From: C$1.74684

Stock:10000

Minimum:2

Favorite

ISL6444CA

Enlarge

Used and refurbished parts guaranteed can work well

ISL6444CA

SSOP-28

Intersil

04+

Dual PWM Controller with DDR Memory Option for Gateway Applications

Utsource

≥1:

C$7.51329

C$6.76196

≥5:

C$7.13763

C$6.42386

≥10:

C$6.76196

C$6.08577

≥20:

C$6.57413

C$5.91672

≥50:

C$6.38630

C$5.74767

≥100:

C$6.19847

C$5.57862

≥200:

C$6.01064

C$5.40957

≥500:

C$5.93550

C$5.34195

≥1000:

C$5.82280

C$5.24052

From: C$5.82280

Stock:10000

Minimum:1

Favorite

Alternate Text
Alternate Text

Currency:

Alternate Text Alternate Text Alternate Text

Product New Used

Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company

Alternate Text Stock

Non-Stock

Non-Stock

Toll-Free Call

(888) 766 5577 USA & Canada

+52 5515436027
+52 5515436028 Mexico

+49 6931090199 Germany

+55 21 3609 8727 Brazil

(800) 137235 Italy

(900) 649657 Spain

Whatsapp

+1 (312) 899-4831 USA

+49 15217848563 Germany

+52 55 7637 4368 Mexico

Email

sales@utsource.com

GLOBAL PAYMENTS

Global logistics

footShip
Copyright © 2022 Power by UTSOURCE INTERNATIONAL LIMITED ISO/IEC 20000-1:2011,ISO/IEC 27001:2013 鄂ICP备2021003526号-1