S4A - S4M Taiwan Semiconductor 4A, 50V - 1000V Su.
STS4DPF20L - Dual P-CHANNEL POWER MOSFET
PCS4D28 - Power Chip Shielded Inductors
TAA090S4D - Blower Coil
SCDS4D40 - SMD Shielded Power Inductors
STS4DPFS30L - P-CHANNEL POWER MOSFET
STS4DPFS20L - P-CHANNEL POWER MOSFET
STS4DNFS30L - N-CHANNEL POWER MOSFET
AS4DDR264M65PBG1 - 64Mx64 DDR2 SDRAM w/ DUAL CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR264M72PBG1 - 64Mx72 DDR2 SDRAM w/ SHARED CONTROL BUS iNTEGRATED Plastic Encapsulated Microcircuit
AS4DDR32M16 - 8 Meg x 16 x 4 Banks Double Data Rate SDRAM COTS
AS4DDR32M72PBG - 32Mx72 DDR SDRAM iNTEGRATED Plastic Encapsulated Microcircuit
AM-IRS4D - Infrared sensor module manual
STS4DNF60 - N-CHANNEL POWER MOSFET
S4D - Surface Mount Rectifier
FDMS4D0N12C - N-Channel MOSFET
NVBLS4D0N15MC - N-Channel MOSFET
GBS4D - Silicon Bridge Rectifiers
AT89S4D12 - 8-Bit Microcontroller with 132K Bytes Flash Data Memory
AS4DDR232M64PBG - 32M x 64 DDR2 SDRAM
AS4DDR264M72PBG1 - 4.8 Gb SDRAM-DDR2