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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 40OHM 5TSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：40Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：180MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：5-TSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The MC74VHC1GT66DT1G is a single-channel, normally open analog switch manufactured by onsemi. It operates within a supply voltage range of 2V to 5.5V and features a maximum on-resistance of 40 ohms. The device provides a -3dB bandwidth of 180MHz and maintains an off-state leakage current of up to 100nA. It utilizes a 5-TSOP (TSOT-23-5) surface-mount package and supports an operating temperature range from -55°C to 125°C.
Feature Summary
- Single-pole single-throw (SPST) normally open configuration for signal routing
- Low on-resistance characteristic ensuring minimal signal attenuation
- Wide operating temperature range suitable for industrial environments
Applications
- Portable equipment requiring low power consumption
- Battery-powered systems with limited voltage headroom
- Signal path switching in consumer electronics
Procurement Notes
Verify the specific ordering suffix against official documentation, as variations may exist between DT1G and DTT1 designations. Confirm RoHS compliance status prior to integration, as historical data indicates potential non-compliance for certain variants in this series. Ensure the component source matches the manufacturer's authorized distribution channels to avoid counterfeit risks.
Selection Notes
Select this component when a single-channel analog switch with low on-resistance is required for signals up to 180MHz. The wide voltage range accommodates both 3.3V and 5V logic systems. Consider the TSOT-23-5 package constraints for PCB layout and thermal management requirements during the design phase.
Part Context
This part belongs to the MC74VHC1GT66 family of single SPST analog switches. It shares functional similarities with other members of the VHC logic series but is distinguished by its specific packaging and electrical characteristics. The device serves as a compact solution for signal isolation and routing in space-constrained applications.
Replacement Considerations
Public confirmed substitute: 74AHCT1G66GV,125 (Nexperia USA Inc.). Verify pinout compatibility and electrical parameter alignment before substitution.
