74LVC1G66GW Nexperia Integrated Circuit (SOT23 (5-Pin)) In Stock
Nexperia 74LVC1G66GW is a single-channel bilateral SPST analog switch in a 5-pin TSSOP package with 37 dB off-state isolation and a maximum on-resistance of 195 Ω. It operates from a 1.65 V to 5.5 V supply for logic-level analog signal routing. Available from stock with worldwide shipping.
- Manufacturer
- Nexperia
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- 74LVC1G66GW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0686(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 74LVC1G66GW?
- Single-channel SPST bilateral switch with 37 dB off-state isolation and 195 Ω maximum on-resistance for precise analog signal gating
- Wide supply range of 1.65 V to 5.5 V enables use across 1.8 V, 3.3 V, and 5 V digital and mixed-signal systems
- Compact 5-pin TSSOP package with a tiny PCB footprint suits space-constrained mobile, wearable, and IoT signal-routing circuits
What is 74LVC1G66GW used for?
74LVC1G66GW is used in analog multiplexing, audio signal switching, and sensor bus isolation circuits where a single low-voltage bilateral SPST switch is needed. Its 1.65 V to 5.5 V supply range and 5-pin TSSOP body make it ideal for mobile devices, wearable sensors, and IoT nodes that route analog signals between MCU ADC inputs and multiple analog sources on the same 3.3 V or 1.8 V rail.
What are the specifications of 74LVC1G66GW?
| YTEOL | 7.2 |
| Analog IC - Other Type | SPST |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Normal Position | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 37dB |
| On-state Resistance-Max (Ron) | 195Ω |
| Output | COMMON OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Signal Current-Max | 0.05A |
| Supply Current-Max (Isup) | 0.004mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Switch-off Time-Max | 13ns |
| Switch-on Time-Max | 15.5ns |
| Technology | CMOS |
| Terminal Finish | TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the 74LVC1G66GW datasheet?
74LVC1G66GW Datasheet DownloadOfficial datasheet from Nexperia
What are equivalent replacements for 74LVC1G66GW?
Compatible alternatives and drop-in replacements for 74LVC1G66GW:
suggested
suggested
suggested
suggested
suggested
Frequently Asked Questions
What on-resistance and off-state isolation does 74LVC1G66GW provide for analog signal routing?
74LVC1G66GW has a maximum on-resistance of 195 Ω and an off-state isolation of 37 dB. The 37 dB isolation limits signal bleed-through between the open switch terminals, while the 195 Ω on-resistance sets the insertion loss when the switch is closed, which designers must account for in analog signal chains where source impedance and load impedance affect accuracy.
Over what supply voltage range can 74LVC1G66GW operate, and which mixed-signal systems benefit from this range?
The 74LVC1G66GW operates from 1.65 V to 5.5 V, covering 1.8 V, 2.5 V, 3.3 V, and 5 V supply rails. This broad range lets a single part switch analog signals in IoT nodes running at 1.8 V, in industrial sensors at 3.3 V, and in legacy 5 V analog systems, reducing the need for multiple voltage-specific switch part numbers across a product family.
For a compact wearable sensor design, how does the 5-pin TSSOP package of 74LVC1G66GW compare to larger SOIC-8 analog switches?
The TSSOP-5 package occupies approximately 3 mm × 1.75 mm of PCB area, far smaller than a standard SOIC-8 switch at around 5 mm × 4 mm. For wearable and hearable devices where PCB area is often under 4 cm², using 74LVC1G66GW instead of an SOIC-8 analog switch saves over 14 mm² per placement, enabling tighter component packing without sacrificing the 37 dB isolation or 1.65 V–5.5 V operating range.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
Why Buy from FindMyChip
About Nexperia
Nexperia is a leading electronic component manufacturer. FindMyChip sources Nexperia ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1800 | $0.18 |
| 68+ | $0.1200 | $8.16 |
| 418+ | $0.0960 | $40.13 |
| 2695+ | $0.0743 | $200.24 |
| 3505+ | $0.0714 | $250.26 |
| 4375+ | $0.0686 | $300.13 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit
EP2SGX30DF780C3N
Intel
Integrated Circuit