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DG401AK/883
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Product Detailed Parameters
- Description：IC SW SPST-NCX2 45OHM 16CERDIP
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：45Ohm
- Channel-to-Channel Matching (ΔRon)：3Ohm
- Voltage - Supply, Single (V+)：5V ~ 34V
- Voltage - Supply, Dual (V±)：±5V ~ 17V
- Switch Time (Ton, Toff) (Max)：150ns, 100ns
- -3db Bandwidth：-
- Charge Injection：60pC
- Channel Capacitance (CS(off), CD(off))：12pF, 12pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CERDIP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The DG401AK/883 is a high-reliability, dual single-pole double-throw (SPDT) analog switch manufactured by Harris Corporation. It utilizes CMOS technology and is housed in a CDIP-16 ceramic package designed for military specifications. The device supports dual power supplies ranging from ±5V to ±20V, enabling an analog signal range of ±15V. Key electrical parameters include a maximum on-resistance of 100 ohms, an on-resistance matching specification of 15 ohms, and a typical leakage current of 1 nA at +25°C. The component operates within a temperature range of -55°C to +125°C and features break-before-make switching action.
Feature Summary
- Dual SPDT configuration providing two independent analog signal paths
- Frit-sealed ceramic DIP package ensuring environmental stability
- Break-before-make switching action prevents signal shorting during transitions
Applications
- Military data acquisition systems requiring high reliability
- Precision automatic test equipment
- Harsh environment communication systems
Procurement Notes
Verify the authenticity of the DG401AK/883 through authorized distributors or certified surplus dealers. Request full traceability documentation, including lot codes and material certifications, to confirm compliance with MIL-STD-883 standards. Ensure the ceramic package integrity is intact upon receipt to maintain hermetic sealing properties essential for this component's operational lifespan.
Selection Notes
Select the DG401AK/883 when dual-channel isolation is required in space-constrained military applications. Compare its 100-ohm on-resistance against lower-resistance alternatives if signal attenuation is critical. Confirm that the ±15V signal range aligns with system voltage requirements. Verify that the CDIP-16 footprint matches the target PCB layout constraints.
Part Context
This component belongs to the Harris DG40x series of precision analog switches. The 'AK' suffix typically denotes a specific thermal or mechanical variant within the military grade lineup. The '/883' designation indicates adherence to MIL-STD-883 testing standards. This series is distinct from the DG409 multiplexer family, offering dedicated SPDT functionality rather than multi-channel switching.
Replacement Considerations
Direct replacements may include the DG401AJ/883B or equivalent parts from Analog Devices or Vishay. Verify pin compatibility and ensure the substitute meets the same MIL-STD-883 qualification levels. Cross-reference on-resistance and leakage current specifications to guarantee functional equivalence in sensitive analog circuits.
