HA4-5135/883

Instrumentation, Op Amps, Buffer Amps Overview

The HA4-5135/883 is a high-performance analog switch manufactured by Harris Corporation, designed for demanding military and aerospace applications. Processed in accordance with MIL-STD-883 standards, this dual single-pole double-throw (SPDT) CMOS device offers low on-resistance and high current capability. It features dielectric isolation to ensure latch-free operation and minimal leakage currents. The component operates over an extended temperature range of -55°C to +125°C and is housed in a rugged 20-lead ceramic leaded chip carrier package suitable for harsh environments.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• MIL-STD-883 qualified for harsh environment reliability
• Dielectric isolation prevents latch-up phenomena
• Low on-resistance with high signal current handling
• Break-before-make switching action ensures signal integrity

Instrumentation, Op Amps, Buffer Amps Applications

• Military communication systems requiring robust signal routing
• Aerospace instrumentation and data acquisition modules
• High-reliability test and measurement equipment
• Harsh environment industrial control switches

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation against the official manufacturer datasheet to confirm exact electrical parameters and qualification level. Ensure compliance with MIL-STD-883 requirements for your specific application environment. Check for RoHS status as legacy military parts often do not meet modern environmental directives. Confirm package authenticity and lot traceability through authorized distributors or direct manufacturer channels.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high reliability and radiation hardness are critical compared to commercial grade alternatives. Consider the 20-CLCC package constraints for PCB layout and thermal management. Evaluate the break-before-make timing characteristics against system switching speed requirements. Compare power dissipation limits under maximum load conditions to ensure safe operating area compliance.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the Harris Corporation HA4 series of analog switches, which are widely recognized in defense and aerospace sectors for their durability. The /883 suffix indicates processing according to MIL-STD-883 standards, distinguishing it from commercial variants. Harris Corporation's expertise in hybrid microelectronics supports the production of these high-reliability components for mission-critical systems.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Official substitutes include other MIL-STD-883 qualified dual SPDT CMOS switches from Harris or equivalent military-grade manufacturers. Verify pin compatibility and on-resistance specifications before substitution. Ensure the replacement part meets the same temperature range and package type requirements for direct board-level integration without redesign.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the typical on-resistance of the HA4-5135/883?

The typical on-resistance is approximately 25 ohms, with a maximum value specified in the official datasheet.

Does the HA4-5135/883 support break-before-make switching?

Yes, the device features break-before-make switching to prevent signal shorting during channel transitions.

Is the HA4-5135/883 latch-up immune?

Yes, dielectric isolation processing ensures latch-free operation even under extreme voltage conditions.