Hello,welcome to Walsoon Tech!
  • Sign in
    Register
  • My Orders
  • 86-15914111526
  • rainman@walsoon-tech.com
RFQ Cart
CATEGORY
  • Capacitors/Resistors/Inductors
    Capacitors
    SMD capacitors Tantalum capacitors Aluminum Electrolytic Capacitors SMD electrolytic capacitors Direct-insert electrolytic capacitors Solid-state electrolytic capacitors Thin Film Capacitors Safety capacitors Adjustable capacitors Supercapacitors Niobium Oxide Capacitors Direct-insert monolithic capacitors Correction capacitors Mica capacitors Capacitor Arrays and Networks Direct-insert ceramic capacitors Mounted large-capacity capacitors Capacitor kits and accessories
    Resistors
    SMD resistors Resistors Through Hole Resistors Metal oxide film resistors Thin film resistor-through hole Thick film resistor-through hole Sampling resistors Carbon film resistors Varistors SMD high-precision-low-temperature drift resistors PTC thermistors NTC thermistors Metal film resistors Aluminum shell high power resistors Ceramic composite resistors Adjustable resistor potentiometers Wirewound resistors Cement resistors Fuse resistors Metal foil resistors MELF wafer resistors Photoresistors Precision adjustable resistors High voltage resistors RF high frequency resistors Resistor kits and accessories
    Inductors
    SMD inductors Power inductors High frequency inductors Fixed inductors I-shaped inductors Color ring inductors Variable inductor kit accessories
  • Microprocessors/Microcontrollers/Memory
    Memory
    DDRSSD memory FPGA-configuration memory FRAM memory EEPROM memory SDRAM memory EPROM memory SRAM memory FLASH memory SDMicro-SDT-Flash card PROM memory
    Microprocessors and Microcontrollers
    32-bit Microcontroller - MCU CPLD-FPGA ICs 8-bit Microcontroller - MCU Digital Signal Processors and Controllers Microprocessor - MPU ARM Microcontroller - MCU 16-bit Microcontroller - MCU Other processors
  • Discrete Semiconductors
    Transistors
    MOSFET Junction field effect transistor (JFET) Bipolar transistor (triode) IGBT tube Digital triode Darlington tube SCR
    Diodes
    Varactor diodes CRD diodes PIN diodes Rectifier diodes Rectifier bridges Discharge tubes ESD diodes TVS diodes (transient voltage suppression diodes) DIAC Schottky diodes Ultra-fast/fast recovery diodes Switching diodes General-purpose diodes Zener diodes
  • Connectors/Sensors
    Sensors
    Attitude sensors/Gyroscopes Color sensors Infrared sensors Angular velocity sensors Acceleration sensors Angle sensors Position sensors Image sensors Magnetic sensors Current sensors Humidity sensors Specialized sensors Temperature and humidity sensors Ambient light sensors Temperature sensors Ultrasonic sensors Gas sensors Optical sensors Pressure sensors
    Connectors
    USB connectors Plug-in connectors Crimp terminals I/O connectors D-Sub connector accessories Audio and video connectors IEEE1394 connectors Connector accessory kits Lighting connectors RF coaxial connectors Fence-type terminal blocks FFCFPC connectors Circular connectors IDC connectors (horns) Automotive connectors Power connectors Military connectors Ethernet connectors IC and device sockets Memory connectors Card edge connectors Alligator clips/test clips Wire to Board Connectors/Wire Splice Connectors Male Pin headers and female headers Board-to-board connectors Backplane connectors Relay socket accessories Track-type terminal blocks Screw/terminal blocks Spring-loaded terminal blocks
  • Crystal Oscillators/Filter/RF/Radio
    Crystal Oscillatorss
    Standard Clock Oscillators Programmable Oscillators Resonators Cylindrical crystal oscillators Active Crystal Oscillators Passive Crystal Oscillators
    Filters
    Ferrite Cores and Accessories Signal Conditioner Common Mode Choke Filters RF Filters Active filter Magnetic beads Feed-through capacitors EMI/RFI Filters
    RF/Radio
    RF Attenuators RF Duplexer Wireless transceiver ICs RF Couplers RFID card ICs Antenna RF Switches RF Amplifiers RF Mixers RF Detectors
  • Interface communication ICs/driver ICs/analog ICs
    Interface ICs/communication ICs
    LVDS ICs I/O expander RS485RS422 ICs Direct digital synthesizer (DDS) RS232 ICs Ethernet ICs Sensor interface ICs LIN transceiver Signal buffer repeater distributor Isolation ICs Controller Audio and video interface ICs Telecommunication Interface specialized ICs Serial interface ICs Touch screen controllers CAN ICs USB ICs Level conversion shifter
    Driver ICs
    LED drivers IGBT drivers Laser drivers Darlington transistor array drivers Driver ICs Gate drivers Full Half-Bridge Drivers MOS drivers LCD drivers Motor ignition driver ICs
    Analog ICs
    Analog switch ICs Current monitoring ICs Electricity meter ICs Digital potentiometer ICs Digital-to-analog conversion ICs Analog-to-digital conversion ICs
  • Optoelectronic devices/transformers/switches
    Photoelectric device
    Plasma display Infrared transmitters Infrared transceivers Fiber optic transceivers Photoelectric switches Laser device accessories Optical couplers LED light guide tube accessories Infrared receivers Light-emitting diodes LED display modules LED digital tubes LCD display modules Photo-controlled silicon OLED display modules Vacuum fluorescent-VFD light display
    Transformers
    Audio and signal transformers Autotransformers Pulse transformers Industrial control transformers Network port transformers Current transformers Power transformers
    Switches
    Switch accessories-caps Toggle switch Multi-function switches Pots Rotary coding switches Switch sockets Lighted switches Rotary switches AC contactors Crimp contactors Dedicated switches Five-way switches Tact switches Temperature control switches Dip switches Boat switches Pushbutton Switches Travel switches
  • Power supply/circuit protection
    Fuses
    Circuit Protection Kits SMD disposable fuses PTC resettable fuses Through-hole fuses Fuse tubes Industrial and electrical fuses Automotive fuses Specialty fuses Temperature fuses Fuse holder clip Circuit breaker
    Batteries and Battery Accessories
    Power chargers Battery holder/Clip accessories Batteries
    Relays
    Power relays Delay timing relays High frequency RF relays Industrial relays Signal relay Automotive relays Solid State Relays Safety relays Reed relays
    Power ICs
    Voltage reference ICs Power switch ICs Linear voltage regulator ICs LDO Switching power supply ICs DC-DC ICs Power Management ICs (PMIC) Wireless charging ICs Battery protection ICs Power monitoring ICs
  • Functional modules/audio/video devices
    Functional modules/development boards/solution verification boards
    Wireless modules AC-DC power modules DC-DC power modules Other modules Power Line Filter Modules Sensor modules WiFi/IoT modules WiFi IoT modules Development board kit LEDUPS and other types of power modules Communication satellite positioning module
    Audio/video devices
    Microphone Speakers Buzzers
  • Embedded peripheral ICs/logic ICs/operational amplifiers
    Operational Amplifiers
    Low power comparator op amps Special function amplifiers Voltage comparators Sample and hold amplifier LCD Gamma buffer FET input op amps Precision op amps Low noise op amps Differential op amps Instrument op amps High-speed broadband op amps Amplifiers Video amplifiers
    Logic ICs
    Flip Flops Specialized logic ICs Signal switch multiplexer decoder Multi-frequency oscillators Gate inverter Counter divider Time base ICs Shift register Buffer driver receiver transceiver 74 series logic ICs 4000 series logic ICs Codec ICs Latches
    Embedded peripheral ICs
    Security (encryption) ICs Clock Generators, Frequency Synthesizers MCU monitoring ICs Clock/Timing ICs Real Time Clock ICs Font ICs Clock Buffers, Drivers
  • Hardware, Fasteners, Accessories
    Instruments / instrumentation and accessories
    Instrument and equipment and accessories Test and measurement Multimeter and voltmeter LAN telecommunication cable test
    Wires / accessories
    Electronic wire connection lines Coaxial Cables Multiple Conductor Cables Power cables Data cables and signal cables Wire accessories
    Hardware/Tools/Consumables
    Soldering and desoldering Screwdriver/tweezers/wrench tools Screw fastener hardware Rack cabinet Rack/cabinet PCB and other prototype products Chemicals Accessories Containers Tapes/Labels Cover, box and enclosure products Electromechanical and electrical Fans/radiators/ thermal management products Electronic accessories
  • HOME
  • Manufacturer
  • Deals
  • BOM Quote
  • Excess Inventory
  • About Us
  • Contact Us
Walsoon Tech Part Search[L5991D]
SIGN IN
SIGN IN
Forget Password?
LinkedIn

Don't have an account?Create now

RFQ Cart
Part No
Brand
Specification
MPQ|MOQ
Quantity
US Dollar
Delivery Date
Operation
Lead Time
Unlimited
2 Weeks
4 Weeks
6 Weeks
8 Weeks
10 Weeks
Brand
Unlimited
ST (12)
Cancel Ok
Category
Unlimited
Switching power supply ICs (12)
Cancel Ok
Part No
Brand
Specification
MPQ|MOQ
Quantity
US Dollar
Delivery Date
Operation
L5991D
ST
Batch：1232
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:1
MOQ:7
7+
$1.06579
9-12 Days
Inquiry
L5991D
ST
Batch：1232
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:1
MOQ:1
1+
$1.06579
11-13 Days
Inquiry
L5991D013TR
ST
Converter Offline Boost, Flyback Topology Up to 1MHz 16-SO
MPQ:2500
MOQ:1
1+
$2.3
10+
$1.71
25+
$1.56
100+
$1.4
250+
$1.33
500+
$1.29
1000+
$1.24
2500+
$1.18
5000+
$1.16
More
13-15 Days
Inquiry
L5991D
ST
Batch：2408
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:1000
MOQ:1000
1000+
$1.24036
2000+
$1.20648
5000+
$1.20604
11-13 Days
Inquiry
L5991D
ST
Batch：2408
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:1000
MOQ:1000
1000+
$1.20648
5000+
$1.20604
11-14 Days
Inquiry
L5991D
ST
Converter Offline Boost, Flyback Topology Up to 1MHz 16-SO
MPQ:1000
MOQ:1
1+
$2.06
10+
$1.67
25+
$1.52
100+
$1.5
250+
$1.48
1000+
$1.37
2000+
$1.25
More
13-15 Days
Inquiry
L5991D
ST
Batch：2451
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:50
MOQ:1000
1000+
$1.36941
2000+
$1.33203
5000+
$1.3315
7-10 Days
Inquiry
L5991D
ST
Batch：2451
Current Mode PWM Controller 1.5A 1000kHz 16-Pin SO Tube
MPQ:1000
MOQ:1000
1000+
$1.42428
2000+
$1.38534
5000+
$1.38479
11-14 Days
Inquiry
L5991D
ST
Converter Offline Boost, Flyback Topology Up to 1MHz 16-SO
MPQ:50
MOQ:1
1+
$2.06184
10+
$1.88124
50+
$1.76966
100+
$1.65366
More
Inquiry
L5991D
ST
Converter Offline Boost, Flyback Topology Up to 1MHz 16-SO
MPQ:50
MOQ:1
1+
$1.97097
100+
$1.94698
500+
$1.91442
1000+
$1.88014
3000+
$1.84586
More
Inquiry
Loading...

Inquiry

Part No Quantity Manufacturer
Add Row

Please provide following contact information.

Company Name:

Contact Name:

Tel:

E-mail:

Message:

Verification:

Copyright ©2025 Walsoon Tech Limited All Rights Reserved

  • Back to top
FEEDBACKX
email

We will receive your sincere suggestions