AI-185 Equivalent & Substitute Parts

Part Overview

The AI-185 is an internally driven electromechanical magnetic buzzer rated for 5V DC operation with through-hole PC pin termination. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The AI-185 serves as an audio indicator in applications requiring simple DC-powered alert signaling without external driver circuitry.

Substiute Parts

AI-185

PUI Audio, Inc.In Stock: 796AI-185 Datasheet

Current PartRFQ

AI-1622-TWT-5V-R

PUI Audio, Inc.In Stock: 1458AI-1622-TWT-5V-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The AI-1622-TWT-5V-R qualifies as a direct substitute for the AI-185 based on the following alignment of critical parameters:

• Manufacturer: Both parts are manufactured by PUI Audio, Inc., ensuring design consistency within the same product family
• Series: Both belong to the AI series
• Driver Circuitry: Both feature internally driven indicator configuration, eliminating external driver requirements
• Input Type: Both operate on DC input
• Voltage - Rated: Both are rated for 5V operation
• Technology: Both utilize electromechanical/magnetic technology for audio generation
• Mounting Type: Both employ through-hole mounting
• Termination: Both use PC pins for circuit board connection

The AI-1622-TWT-5V-R represents an active product with enhanced specifications and improved compliance status, making it the recommended path for design transitions from the obsolete AI-185.

Parameter Comparison

Engineering Selection Recommendations

The AI-1622-TWT-5V-R is the designated substitute for the obsolete AI-185. Selection of this part is supported by:

• Active product status ensuring long-term availability and manufacturing support
• ROHS3 compliance, addressing regulatory requirements for new designs and production environments
• Identical core electrical and mechanical interface parameters (5V DC, internally driven, through-hole PC pins)
• Same manufacturer and series lineage, confirming design compatibility
• Documented electrical performance specifications (frequency, SPL, current draw, operating temperature range) enabling precise circuit integration

Frequently Asked Questions (FAQ)

Q: Can the AI-1622-TWT-5V-R be used as a direct replacement for the AI-185 in existing designs?

A: Yes. Both parts share identical driver circuitry configuration, voltage rating, input type, mounting method, and termination style. The AI-1622-TWT-5V-R maintains functional compatibility with circuits designed for the AI-185.

Q: What is the primary difference between these two parts?

A: The AI-185 is obsolete with unspecified performance parameters, while the AI-1622-TWT-5V-R is an active product with documented electrical specifications (2.2kHz frequency, 85dB SPL, 30mA current, -20°C to 70°C operating range) and ROHS3 compliance.

Q: Does the AI-1622-TWT-5V-R require circuit modifications for integration?

A: No. The substitute part operates on the same 5V DC input and uses identical through-hole PC pin termination. Existing circuit designs require no modification.

Q: What is the voltage operating range for the AI-1622-TWT-5V-R?

A: The substitute part operates across a 4V to 8V range, providing broader supply voltage tolerance than the nominal 5V rating.

Q: Are there packaging differences between these parts?

A: The AI-1622-TWT-5V-R is supplied in tray packaging. Packaging specifications for the AI-185 are not documented.

Q: Does the substitute part meet current regulatory compliance standards?

A: Yes. The AI-1622-TWT-5V-R is ROHS3 compliant, meeting current environmental and material restriction requirements. The AI-185 is RoHS non-compliant.