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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 10OHM SC70-5
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：10Ohm
- Channel-to-Channel Matching (ΔRon)：200mOhm
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：15ns, 7ns
- -3db Bandwidth：326MHz
- Charge Injection：1.6pC
- Channel Capacitance (CS(off), CD(off))：5.5pF, 5.5pF
- Current - Leakage (IS(off)) (Max)：200pA (Typ)
- Crosstalk：-43dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SC-70-5
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The PI5A121BCEX is a single-pole, single-throw (SPST) normally open analog switch manufactured by Diodes Incorporated. It operates on a single supply voltage ranging from +2V to +6V and supports rail-to-rail analog signal dynamic range. The device features low on-resistance of 7.2Ω typical at +5V supply with -30mA current, ensuring minimal distortion. It offers high bandwidth of 326MHz typical, fast switching times with turn-on time of 7ns typical, and low charge injection of 1.6pC typical. The component is housed in a 5-pin SC70 package.
Feature Summary
- Single-supply operation compatible with TTL/CMOS logic levels
- Low on-resistance minimizes distortion and error voltages
- High-speed switching with wide bandwidth for signal routing
- Low power consumption suitable for battery-powered systems
Applications
- Audio and video switching and routing
- Battery-powered communication systems
- Computer peripherals
- Telecommunications equipment
- Portable instrumentation and cell phones
Procurement Notes
Verify the ordering suffix 'B' against official documentation, as standard listings typically use 'C' or 'T'. Confirm the package type matches the required PCB footprint. Ensure the supplier provides RoHS compliance data. Check for lead-free and green material certification if required by project specifications. Validate the manufacturer source directly.
Selection Notes
Select this component for applications requiring low-distortion analog signal switching within a small form factor. Consider the 7.2Ω on-resistance for signal integrity requirements. Verify that the operating voltage stays within the 2V to 6V range. Evaluate the 326MHz bandwidth against the highest frequency signals in the design. Ensure thermal dissipation fits the SC70 package constraints.
Part Context
The PI5A121BCEX belongs to the PI5A121/PI5A122/PI5A124 family of wide bandwidth analog switches. This series is designed for single-supply operation and serves as a mechanical relay replacement. The PI5A121 variant specifically functions as a normally open switch, contrasting with the normally closed PI5A122.
Replacement Considerations
Direct substitutes include PI5A121CX and PI5A121TX. These variants share identical electrical characteristics but differ in packaging, using SC70 or SOT-23 respectively. Verify pin compatibility before substitution.
