页 1731 - Microchip Technology 产品 | 黑森尔电子
联系我们
SalesDept@heisener.com +86-755-83210559 ext. 807

Microchip Technology 产品

记录 63,237
页  1,731/2,108
图片
零件编号
制造商
描述
封装
库存
数量
DSC400-3333Q0001KI2
Microchip Technology

OSC MEMS CONFIGURABLE OUTPUT

  • Type: MEMS (Silicon)
  • Frequency - Output 1: 25MHz, 50MHz, 125MHz, 150MHz
  • Frequency - Output 2: 100MHz, 156.25MHz
  • Function: Enable/Disable
  • Output: LVDS
  • Voltage - Supply: 2.25 V ~ 3.6 V
  • Frequency Stability: ±25ppm
  • Operating Temperature: -40°C ~ 85°C
  • Current - Supply (Max): -
  • Size / Dimension: 0.197" L x 0.126" W (5.00mm x 3.20mm)
  • Height: 0.035" (0.90mm)
  • Package / Case: 20-VFQFN Exposed Pad
封装: 20-VFQFN Exposed Pad
库存5,670
DSC1123AI2-233.0000T
Microchip Technology

OSC MEMS 233.000MHZ LVDS SMD

  • Type: MEMS (Silicon)
  • Frequency: 233MHz
  • Function: Enable/Disable
  • Output: LVDS
  • Voltage - Supply: 2.25 V ~ 3.6 V
  • Frequency Stability: ±25ppm
  • Operating Temperature: -40°C ~ 85°C
  • Current - Supply (Max): 32mA
  • Ratings: AEC-Q100
  • Mounting Type: Surface Mount
  • Package / Case: 6-SMD, No Lead, Exposed Pad
  • Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
  • Height - Seated (Max): 0.035" (0.90mm)
封装: 6-SMD, No Lead, Exposed Pad
库存5,310
DSC1001DI2-031.2500
Microchip Technology

OSC MEMS 31.2500MHZ CMOS SMD

  • Type: MEMS (Silicon)
  • Frequency: 31.25MHz
  • Function: Standby (Power Down)
  • Output: CMOS
  • Voltage - Supply: 1.8 V ~ 3.3 V
  • Frequency Stability: ±25ppm
  • Operating Temperature: -40°C ~ 85°C
  • Current - Supply (Max): 7.2mA
  • Ratings: AEC-Q100
  • Mounting Type: Surface Mount
  • Package / Case: 4-SMD, No Lead
  • Size / Dimension: 0.098" L x 0.079" W (2.50mm x 2.00mm)
  • Height - Seated (Max): 0.035" (0.90mm)
封装: 4-SMD, No Lead
库存18,348
LND150N8-G
Microchip Technology

MOSFET N-CH 500V 30MA SOT89-3

  • FET Type: N-Channel
  • Technology: MOSFET (Metal Oxide)
  • Drain to Source Voltage (Vdss): 500V
  • Current - Continuous Drain (Id) @ 25°C: 30mA (Tj)
  • Drive Voltage (Max Rds On, Min Rds On): 0V
  • Vgs(th) (Max) @ Id: -
  • Gate Charge (Qg) (Max) @ Vgs: -
  • Input Capacitance (Ciss) (Max) @ Vds: 10pF @ 25V
  • Vgs (Max): ±20V
  • FET Feature: Depletion Mode
  • Power Dissipation (Max): 1.6W (Ta)
  • Rds On (Max) @ Id, Vgs: 1000 Ohm @ 500µA, 0V
  • Operating Temperature: -55°C ~ 150°C (TJ)
  • Mounting Type: Surface Mount
  • Supplier Device Package: SOT-89-3
  • Package / Case: TO-243AA
封装: TO-243AA
库存81,594
MIC5208-4.0YMM-TR
Microchip Technology

IC REG LIN 4V/4V 50MA/50MA 8MSOP

  • Output Configuration: Positive
  • Output Type: Fixed
  • Number of Regulators: 2
  • Voltage - Input (Max): 16V
  • Voltage - Output (Min/Fixed): 4V, 4V
  • Voltage - Output (Max): -
  • Voltage Dropout (Max): 0.5V @ 50mA, 0.5V @ 50mA
  • Current - Output: 50mA, 50mA
  • Current - Quiescent (Iq): -
  • Current - Supply (Max): 750µA ~ 1.2mA
  • PSRR: -
  • Control Features: Enable
  • Protection Features: Over Current, Over Temperature, Reverse Polarity
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
  • Supplier Device Package: 8-MSOP
封装: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
库存7,520
MIC5393-SSYMT-TR
Microchip Technology

IC REG LINEAR 3.3V/3.3V 6TDFN

  • Output Configuration: Positive
  • Output Type: Fixed
  • Number of Regulators: 2
  • Voltage - Input (Max): 5.5V
  • Voltage - Output (Min/Fixed): 3.3V, 3.3V
  • Voltage - Output (Max): -
  • Voltage Dropout (Max): 0.31V @ 150mA, 0.31V @ 150mA
  • Current - Output: 150mA, 150mA
  • Current - Quiescent (Iq): -
  • Current - Supply (Max): 45µA ~ 85µA
  • PSRR: 60dB (1kHz)
  • Control Features: Enable
  • Protection Features: Over Current, Over Temperature
  • Operating Temperature: -40°C ~ 125°C
  • Mounting Type: Surface Mount
  • Package / Case: 6-UFDFN Exposed Pad
  • Supplier Device Package: 6-TDFN (1.2x1.2)
封装: 6-UFDFN Exposed Pad
库存3,536
SST39VF802C-70-4C-EKE-T
Microchip Technology

IC FLASH 8MBIT 70NS 48TSOP

  • Memory Type: Non-Volatile
  • Memory Format: FLASH
  • Technology: FLASH
  • Memory Size: 8Mb (512K x 16)
  • Memory Interface: Parallel
  • Clock Frequency: -
  • Write Cycle Time - Word, Page: 10µs
  • Access Time: 70ns
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 48-TFSOP (0.724", 18.40mm Width)
  • Supplier Device Package: 48-TSOP
封装: 48-TFSOP (0.724", 18.40mm Width)
库存3,664
hot 93AA76AT-I/OT
Microchip Technology

IC EEPROM 8KBIT 3MHZ SOT23-6

  • Memory Type: Non-Volatile
  • Memory Format: EEPROM
  • Technology: EEPROM
  • Memory Size: 8Kb (1K x 8)
  • Memory Interface: SPI
  • Clock Frequency: 3MHz
  • Write Cycle Time - Word, Page: 5ms
  • Access Time: -
  • Voltage - Supply: 1.8 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: SOT-23-6
  • Supplier Device Package: SOT-23-6
封装: SOT-23-6
库存31,200
25C040-I/P
Microchip Technology

IC EEPROM 4KBIT 3MHZ 8DIP

  • Memory Type: Non-Volatile
  • Memory Format: EEPROM
  • Technology: EEPROM
  • Memory Size: 4Kb (512 x 8)
  • Memory Interface: SPI
  • Clock Frequency: 3MHz
  • Write Cycle Time - Word, Page: 5ms
  • Access Time: -
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Through Hole
  • Package / Case: 8-DIP (0.300", 7.62mm)
  • Supplier Device Package: 8-PDIP
封装: 8-DIP (0.300", 7.62mm)
库存21,324
hot AT17LV256-10SC
Microchip Technology

IC SRL CONFG EEPROM 256K 20SOIC

  • Programmable Type: Serial EEPROM
  • Memory Size: 256Kb
  • Voltage - Supply: 3 V ~ 3.6 V, 4.75 V ~ 5.25 V
  • Operating Temperature: 0°C ~ 70°C
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
封装: 20-SOIC (0.295", 7.50mm Width)
库存4,368
SY10ELT28KI
Microchip Technology

IC TRANSLATOR 5V 8-MSOP

  • Translator Type: Mixed Signal
  • Channel Type: Unidirectional
  • Number of Circuits: 1
  • Channels per Circuit: 2
  • Voltage - VCCA: -
  • Voltage - VCCB: -
  • Input Signal: TTL, PECL
  • Output Signal: PECL, TTL
  • Output Type: Differential
  • Data Rate: -
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Features: -
  • Mounting Type: Surface Mount
  • Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
  • Supplier Device Package: 8-MSOP
封装: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
库存4,416
SY100E175JZ-TR
Microchip Technology

IC LATCH 9BIT W/PARITY 28-PLCC

  • Logic Type: D-Type Transparent Latch
  • Circuit: 9:9
  • Output Type: Standard
  • Voltage - Supply: 4.2 V ~ 5.5 V
  • Independent Circuits: 1
  • Delay Time - Propagation: 600ps
  • Current - Output High, Low: -
  • Operating Temperature: 0°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-LCC (J-Lead)
  • Supplier Device Package: 28-PLCC (11.5x11.5)
封装: 28-LCC (J-Lead)
库存4,192
hot MCP6142-I/P
Microchip Technology

IC OPAMP GP 100KHZ RRO 8DIP

  • Amplifier Type: General Purpose
  • Number of Circuits: 2
  • Output Type: Rail-to-Rail
  • Slew Rate: 0.003 V/µs
  • Gain Bandwidth Product: 100kHz
  • -3db Bandwidth: -
  • Current - Input Bias: 1pA
  • Voltage - Input Offset: 3mV
  • Current - Supply: 600nA
  • Current - Output / Channel: 20mA
  • Voltage - Supply, Single/Dual (±): 1.4 V ~ 6 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 8-DIP (0.300", 7.62mm)
  • Supplier Device Package: 8-PDIP
封装: 8-DIP (0.300", 7.62mm)
库存4,352
LAN9354TI/ML
Microchip Technology

IC ETHERNET SWITCH 3PORT 56QFN

  • Protocol: Ethernet
  • Function: Switch
  • Interface: I2C
  • Standards: 10/100 Base-T/TX PHY
  • Voltage - Supply: 1.8 V ~ 3.3 V
  • Current - Supply: -
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 56-VFQFN Exposed Pad
  • Supplier Device Package: 56-QFN (8x8)
封装: 56-VFQFN Exposed Pad
库存2,624
ATMEGA16M1-15MD
Microchip Technology

IC MCU 8BIT 16KB FLASH 32QFN

  • Core Processor: AVR
  • Core Size: 8-Bit
  • Speed: 16MHz
  • Connectivity: CAN, LIN, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
  • Number of I/O: -
  • Program Memory Size: 16KB (8K x 16)
  • Program Memory Type: FLASH
  • EEPROM Size: 512 x 8
  • RAM Size: 1K x 8
  • Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V
  • Data Converters: A/D 11x10b; D/A 1x10b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 150°C (TA)
  • Mounting Type: -
  • Package / Case: 32-VQFN Exposed Pad
  • Supplier Device Package: 32-QFN (7x7)
封装: 32-VQFN Exposed Pad
库存3,904
ATTINY28V-1MC
Microchip Technology

IC MCU 8BIT 2KB FLASH 32VQFN

  • Core Processor: AVR
  • Core Size: 8-Bit
  • Speed: 1.2MHz
  • Connectivity: -
  • Peripherals: POR, WDT
  • Number of I/O: 11
  • Program Memory Size: 2KB (1K x 16)
  • Program Memory Type: FLASH
  • EEPROM Size: -
  • RAM Size: -
  • Voltage - Supply (Vcc/Vdd): 1.8 V ~ 5.5 V
  • Data Converters: -
  • Oscillator Type: Internal
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: -
  • Package / Case: 32-VFQFN Exposed Pad
  • Supplier Device Package: 32-VQFN (5x5)
封装: 32-VFQFN Exposed Pad
库存4,592
PIC16C65AT-04I/PT
Microchip Technology

IC MCU 8BIT 7KB OTP 44TQFP

  • Core Processor: PIC
  • Core Size: 8-Bit
  • Speed: 4MHz
  • Connectivity: I2C, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
  • Number of I/O: 33
  • Program Memory Size: 7KB (4K x 14)
  • Program Memory Type: OTP
  • EEPROM Size: -
  • RAM Size: 192 x 8
  • Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V
  • Data Converters: -
  • Oscillator Type: External
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: -
  • Package / Case: 44-TQFP
  • Supplier Device Package: 44-TQFP (10x10)
封装: 44-TQFP
库存7,440
PIC16C55-10E/SO
Microchip Technology

IC MCU 8BIT 768B OTP 28SOIC

  • Core Processor: PIC
  • Core Size: 8-Bit
  • Speed: 10MHz
  • Connectivity: -
  • Peripherals: POR, WDT
  • Number of I/O: 20
  • Program Memory Size: 768B (512 x 12)
  • Program Memory Type: OTP
  • EEPROM Size: -
  • RAM Size: 25 x 8
  • Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V
  • Data Converters: -
  • Oscillator Type: External
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: -
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SOIC
封装: 28-SOIC (0.295", 7.50mm Width)
库存3,920
PIC16C67T-20/L
Microchip Technology

IC MCU 8BIT 14KB OTP 44PLCC

  • Core Processor: PIC
  • Core Size: 8-Bit
  • Speed: 20MHz
  • Connectivity: I2C, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
  • Number of I/O: 33
  • Program Memory Size: 14KB (8K x 14)
  • Program Memory Type: OTP
  • EEPROM Size: -
  • RAM Size: 368 x 8
  • Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V
  • Data Converters: -
  • Oscillator Type: External
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: -
  • Package / Case: 44-LCC (J-Lead)
  • Supplier Device Package: 44-PLCC (16.59x16.59)
封装: 44-LCC (J-Lead)
库存4,944
DSPIC33EV64GM002-E/SP
Microchip Technology

IC MCU 16BIT 64KB FLASH 28SDIP

  • Core Processor: dsPIC
  • Core Size: 16-Bit
  • Speed: 60 MIPs
  • Connectivity: I2C, IrDA, LIN, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
  • Number of I/O: 21
  • Program Memory Size: 64KB (22K x 24)
  • Program Memory Type: FLASH
  • EEPROM Size: -
  • RAM Size: 8K x 8
  • Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V
  • Data Converters: A/D 11x10/12b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: -
  • Package / Case: 28-DIP (0.300", 7.62mm)
  • Supplier Device Package: 28-SPDIP
封装: 28-DIP (0.300", 7.62mm)
库存4,128
PIC24FJ32GA002-E/SO
Microchip Technology

IC MCU 16BIT 32KB FLASH 28SOIC

  • Core Processor: PIC
  • Core Size: 16-Bit
  • Speed: 32MHz
  • Connectivity: I2C, PMP, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
  • Number of I/O: 21
  • Program Memory Size: 32KB (11K x 24)
  • Program Memory Type: FLASH
  • EEPROM Size: -
  • RAM Size: 8K x 8
  • Voltage - Supply (Vcc/Vdd): 2 V ~ 3.6 V
  • Data Converters: A/D 10x10b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: -
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SOIC
封装: 28-SOIC (0.295", 7.50mm Width)
库存7,184
PIC16LF727-I/P
Microchip Technology

IC MCU 8BIT 14KB FLASH 40DIP

  • Core Processor: PIC
  • Core Size: 8-Bit
  • Speed: 20MHz
  • Connectivity: I2C, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
  • Number of I/O: 36
  • Program Memory Size: 14KB (8K x 14)
  • Program Memory Type: FLASH
  • EEPROM Size: -
  • RAM Size: 368 x 8
  • Voltage - Supply (Vcc/Vdd): 1.8 V ~ 3.6 V
  • Data Converters: A/D 14x8b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: -
  • Package / Case: 40-DIP (0.600", 15.24mm)
  • Supplier Device Package: 40-PDIP
封装: 40-DIP (0.600", 15.24mm)
库存8,496
MCP3426A3T-E/SN
Microchip Technology

IC ADC 16BIT 2CH 15SPS 8SOIC

  • Number of Bits: 16
  • Sampling Rate (Per Second): 15
  • Number of Inputs: 2
  • Input Type: Differential
  • Data Interface: I2C
  • Configuration: MUX-PGA-ADC
  • Ratio - S/H:ADC: -
  • Number of A/D Converters: 1
  • Architecture: Sigma-Delta
  • Reference Type: Internal
  • Voltage - Supply, Analog: 2.7 V ~ 5.5 V
  • Voltage - Supply, Digital: 2.7 V ~ 5.5 V
  • Features: PGA
  • Operating Temperature: -40°C ~ 125°C
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
  • Mounting Type: -
封装: 8-SOIC (0.154", 3.90mm Width)
库存2,448
PL130-07QC-R
Microchip Technology

IC CLK BUFFER 1:1 200MHZ 16QFN

  • Type: Buffer/Driver
  • Number of Circuits: 1
  • Ratio - Input:Output: 1:1
  • Differential - Input:Output: No/No
  • Input: LVCMOS, Sine Wave
  • Output: LVCMOS
  • Frequency - Max: 200MHz
  • Voltage - Supply: 2.5 V ~ 3.3 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-WFQFN Exposed Pad
  • Supplier Device Package: 16-QFN (3x3)
封装: 16-WFQFN Exposed Pad
库存6,816
24LC01B/W15K
Microchip Technology

IC EEPROM 1K I2C 400KHZ WAFER

  • Memory Type: Non-Volatile
  • Memory Format: EEPROM
  • Technology: EEPROM
  • Memory Size: 1Kb (128 x 8)
  • Memory Interface: I²C
  • Clock Frequency: 400kHz
  • Write Cycle Time - Word, Page: 5ms
  • Access Time: 3500ns
  • Voltage - Supply: 2.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: Die
  • Supplier Device Package: Die
封装: Die
库存2,768
DSPIC33CK32MP203-I/M5
Microchip Technology

16 BIT DSC, 32KB FLASH, 8KB RAM,

  • Core Processor: dsPIC
  • Core Size: 16-Bit
  • Speed: 100MHz
  • Connectivity: I²C, IrDA, LINbus, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, QEI, WDT
  • Number of I/O: 29
  • Program Memory Size: 32KB (32K x 8)
  • Program Memory Type: FLASH
  • EEPROM Size: -
  • RAM Size: 8K x 8
  • Voltage - Supply (Vcc/Vdd): 3 V ~ 3.6 V
  • Data Converters: A/D 16x12b, D/A 3x12b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: -
  • Package / Case: 36-UFQFN Exposed Pad
  • Supplier Device Package: 36-UQFN (5x5)
封装: 36-UFQFN Exposed Pad
库存7,616
PIC18F25K83T-I/SS
Microchip Technology

FLASH

  • Core Processor: PIC
  • Core Size: 8-Bit
  • Speed: 64MHz
  • Connectivity: CANbus, I²C, LINbus, SPI, UART/USART
  • Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
  • Number of I/O: 25
  • Program Memory Size: 32KB (16K x 16)
  • Program Memory Type: FLASH
  • EEPROM Size: 1K x 8
  • RAM Size: 2K x 8
  • Voltage - Supply (Vcc/Vdd): 2.3 V ~ 5.5 V
  • Data Converters: A/D 24x12b, D/A 1x5b
  • Oscillator Type: Internal
  • Operating Temperature: -40°C ~ 85°C (TA)
  • Mounting Type: -
  • Package / Case: 28-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 28-SOP
封装: 28-SSOP (0.209", 5.30mm Width)
库存21,588
25LC512T-E/SN16KVAO
Microchip Technology

512K SPI SERIAL EEPROM

  • Memory Type: Non-Volatile
  • Memory Format: EEPROM
  • Technology: EEPROM
  • Memory Size: 512Kb (64K x 8)
  • Memory Interface: SPI
  • Clock Frequency: 10MHz
  • Write Cycle Time - Word, Page: 5ms
  • Access Time: -
  • Voltage - Supply: 2.5V ~ 5.5V
  • Operating Temperature: -40°C ~ 125°C (TA)
  • Mounting Type: Surface Mount
  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package: 8-SOIC
封装: 8-SOIC (0.154", 3.90mm Width)
库存6,176
USB7051-I/KDX
Microchip Technology

IC USB HUB CNTRLR I2C 100VQFN

  • Protocol: USB
  • Function: Hub Controller
  • Interface: I²C
  • Standards: USB 3.1
  • Voltage - Supply: -
  • Current - Supply: -
  • Operating Temperature: -40°C ~ 85°C
  • Package / Case: 100-VFQFN Exposed Pad
  • Supplier Device Package: 100-VQFN (12x12)
封装: 100-VFQFN Exposed Pad
库存8,448
LE79112ADGCT
Microchip Technology

IC VOICE LINE VCP 32CH 144LBGA

  • Function: Telecom Circuit
  • Interface: 2-Wire
  • Number of Circuits: 32
  • Voltage - Supply: 3.3V
  • Current - Supply: -
  • Power (Watts): -
  • Operating Temperature: -
  • Mounting Type: Surface Mount
  • Package / Case: -
  • Supplier Device Package: 144-LBGA
封装: -
库存2,016