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TC7W66FU~6LF
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RoHS Compliant · Lead-Free EIA-481 Standard
Toshiba Semiconductor / Discrete Semiconductors

TC7W66FU,LF Toshiba Bilateral FET Switch, 2V-12V, SM8

MPN TC7W66FU,LF
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Toshiba TC7W66FU,LF Bilateral FET Switch, TC7W series, 1 x 1:1 circuit, 2V-12V single supply, surface mount SM8 package, -40°C to 85°C.

In Stock: 11,600 pcs
MOQ: 5 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$0.42 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$0.42
10+ pcs
$0.38
30+ pcs
$0.34
100+ pcs
$0.31
500+ pcs
$0.29
1,000+ pcs
$0.27
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$0.42 / ea · total $2.10

11,600 in stock — maximum per order · MOQ 5 · 3–4 days lead time

$0.38 / ea from 10 pcs
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (10)
Package / Case 8-TSSOP, 8-MSOP (0.110", 2.80mm Width)
Supply Voltage 2V ~ 12V

Full Technical Specifications

10 Parameters
TC7W66FU,LF specifications
Parameter / AttributeSpecification / Value
TypeBilateral, FET Switches
SeriesTC7W
MountingSurface Mount
Supply voltage2V ~ 12V
Voltage supply sourceSingle Supply
Operating temperature-40°C ~ 85°C
Circuit1 x 1:1
PackageTape & Reel (TR); Cut Tape (CT)
Case8-TSSOP, 8-MSOP (0.110\", 2.80mm Width)
Independent circuits2
Series Sibling Variants

Toshiba Semiconductor TC7W Series Models

Sibling variants, package options, and speed/density grades in this Toshiba Semiconductor semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.

TC7W00FK,LF
Toshiba TC7W series dual 2-input NAND gate, 8-VFSOP (2.30mm width) surface-mount package, 2V to 6V supply, 1 µA quiescent current, 13ns propagation delay at 6V, 50pF.
View Availability & Specs
TC7W04FK,LF
IC INVERTER 3CH 3-INP 8SSOP
View Availability & Specs
TC7W125FU,LF
IC BUFFER NON-INVERT 6V SM8
View Availability & Specs
TC7W14FK,LF
IC INVERT SCHMITT 3CH 3INP 8SSOP
View Availability & Specs
TC7W14FU,LF
Toshiba Semiconductor TC7W series triple Schmitt-trigger inverter, TC7W14FU,LF, 8-SSOP surface-mount package, 2V to 6V supply, 1 µA quiescent current.
View Availability & Specs
TC7W241FUTE12LF
IC BUFFER NON-INVERT 6V SM8
View Availability & Specs

Technical Details & Description

The Toshiba TC7W66FU,LF is a bilateral FET switch from the TC7W series, configured as 1 x 1:1 SPST with two independent circuits on a single die.

Supplied in an SM8 package (8-pin SSOP, 2.80 mm body width), the footprint matches standard 8-TSSOP and 8-MSOP land patterns — a single PCB pad layout serves both package variants. Surface-mount assembly with the SM8 body keeps the component height low, suited for dense mixed-signal boards where an analog switch sits adjacent to an op-amp or ADC.

Lifecycle and compliance

Fully ROHS3 compliant, with no restricted substances above the threshold limits per the EU directive.

Frequently asked questions

What is the TC7W66FU,LF used for?

It is a bilateral FET switch that passes analog or digital signals in either direction when enabled. Typical uses include audio muting, signal multiplexing, sample-and-hold circuits, and power-domain isolation in battery-powered devices.

Is TC7W66FU,LF a direct drop-in for TC7W66FK,LF?

Both share the same die and electrical ratings, but the TC7W66FK,LF comes in a different package (8-VSSOP) with a smaller body width. The SM8 package of the FU variant has a different footprint — the two are not pin-compatible without a board layout change.

TC7W66FU,LF
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