PT-1706 Piezo Buzzer Equivalent & Substitute Parts

Part Overview

The PT-1706 is an externally driven piezo buzzer manufactured by Soberton Inc., rated for 5V operation with a 4kHz single-tone output and 80dB sound pressure level at 10cm. This component is classified as Active product status with full ROHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent functional performance can be achieved within the allowed electrical and mechanical parameter ranges for through-hole piezo transducers.

Substiute Parts

PT-1706

Soberton Inc.In Stock: 1265PT-1706 Datasheet

Current PartRFQ

AT-1740-TT-3-R

PUI Audio, Inc.In Stock: 3165AT-1740-TT-3-R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the PT-1706 is determined by the following critical parameters:

• Frequency match: 4kHz operation
• Technology: Piezo transducer, externally driven
• Mounting configuration: Through hole with PC pins
• Physical envelope: 0.650" diameter (16.50mm)
• Electrical compatibility: Voltage range overlap and supply current characteristics
• Compliance certifications: ROHS3 and REACH status

The AT-1740-TT-3-R from PUI Audio, Inc. qualifies as a substitute based on matching frequency, technology, mounting type, termination style, and physical diameter. Voltage rating differences and operating temperature range variations are within acceptable substitution parameters for this product category.

Parameter Comparison

Engineering Selection Recommendations

Both the PT-1706 and AT-1740-TT-3-R maintain Active product status with identical ROHS3 compliance and REACH unaffected designation. Selection between these parts is based on circuit voltage requirements and thermal operating envelope. The PT-1706 operates at a rated 5V with a maximum operating temperature of 60°C, while the AT-1740-TT-3-R is rated for 3V with extended temperature capability to 70°C. The AT-1740-TT-3-R accommodates a wider voltage range (1 ~ 30V) compared to the PT-1706 (1 ~ 20V). Physical mounting compatibility is confirmed through identical diameter specifications and through-hole PC pin termination. Height difference of 1.20mm between seated positions must be evaluated for PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can the AT-1740-TT-3-R replace the PT-1706 in a 5V circuit?

A: The AT-1740-TT-3-R has a 3V rated voltage but operates within a 1 ~ 30V voltage range, which includes 5V operation. However, the sound pressure level specification is rated at 3V (78dB), not 5V. Circuit performance at 5V will differ from the PT-1706 specification of 80dB @ 5V.

Q: Are there physical mounting differences between these parts?

A: Both parts share identical 0.650" (16.50mm) diameter specifications and through-hole PC pin termination. The AT-1740-TT-3-R has a maximum seated height of 0.283" (7.20mm) compared to the PT-1706 at 0.236" (6.00mm), a difference of 1.20mm that may affect PCB layout.

Q: Do both parts meet the same compliance standards?

A: Both the PT-1706 and AT-1740-TT-3-R are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements.

Q: What is the frequency compatibility between these parts?

A: Both parts operate at 4kHz single-tone output, providing frequency compatibility for applications requiring this specific operating frequency.

Q: How does the operating temperature range differ?

A: The PT-1706 operates from -20°C to 60°C, while the AT-1740-TT-3-R extends to 70°C maximum. For applications requiring operation above 60°C, the AT-1740-TT-3-R provides extended thermal capability.