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SC628N-1R Equivalent & Substitute Parts
Part Overview
The SC628N-1R is a piezoelectric panel mount buzzer manufactured by Mallory Sonalert Products Inc., designed for internally driven indicator applications. This component operates across a 6–28V DC voltage range, producing a 2.9kHz single-tone output at 80dB SPL (measured at 6V, 61cm distance) with a current draw of 6–23mA. The part features a 42.98mm diameter panel mount form factor with screw terminal and quick connect tab termination.
The SC628N-1R carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SC628N-1R |
| Manufacturer | Mallory Sonalert Products Inc. |
| Series | SC |
| Technology | Piezo |
| Driver Circuitry | Indicator, Internally Driven |
| Input Type | DC |
| Voltage Range | 6–28V |
| Frequency | 2.9kHz |
| Operating Mode | Single Tone |
| Sound Pressure Level (SPL) | 80dB @ 6V, 61cm |
| Current Supply | 6–23mA |
| Mounting Type | Panel Mount |
| Termination | Screw Terminal, Quick Connect Tab – 0.250" (6.35mm) |
| Size / Dimension | 1.692" Dia (42.98mm) |
| Height – Seated (Max) | 1.399" (35.54mm) |
| Operating Temperature | –30°C to 65°C |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SC628N-1R is determined by strict equivalence across the following critical parameters:
- Voltage Range: 6–28V DC input compatibility
- Frequency Output: 2.9kHz single-tone operation
- Sound Pressure Level: 80dB @ 6V, 61cm
- Current Draw: 6–23mA supply current
- Mounting Configuration: Panel mount with 42.98mm diameter form factor
- Termination Type: Screw terminal and quick connect tab (0.250" / 6.35mm)
- Operating Temperature Range: –30°C to 65°C
- Technology: Piezoelectric internally driven indicator
- Regulatory Compliance: RoHS3 and REACH status
The SC628N-BTR is identified as a direct substitute based on identical electrical specifications, mechanical dimensions, and termination characteristics. The primary distinction is product status and packaging format.
Parameter Comparison
| Parameter | SC628N-1R | SC628N-BTR |
|---|---|---|
| Manufacturer Part Number | SC628N-1R | SC628N-BTR |
| Manufacturer | Mallory Sonalert Products Inc. | Mallory Sonalert Products Inc. |
| Series | SC | SC |
| Technology | Piezo | Piezo |
| Driver Circuitry | Indicator, Internally Driven | Indicator, Internally Driven |
| Input Type | DC | DC |
| Voltage Range | 6–28V | 6–28V |
| Frequency | 2.9kHz | 2.9kHz |
| Operating Mode | Single Tone | Single Tone |
| Sound Pressure Level (SPL) | 80dB @ 6V, 61cm | 80dB @ 6V, 61cm |
| Current Supply | 6–23mA | 6–23mA |
| Mounting Type | Panel Mount | Panel Mount |
| Termination | Screw Terminal, Quick Connect Tab – 0.250" (6.35mm) | Screw Terminal, Quick Connect Tab – 0.250" (6.35mm) |
| Size / Dimension | 1.692" Dia (42.98mm) | 1.692" Dia (42.98mm) |
| Height – Seated (Max) | 1.399" (35.54mm) | 1.399" (35.54mm) |
| Operating Temperature | –30°C to 65°C | –30°C to 65°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Obsolete | Active |
| Approval Agency | Not specified | cUL, UL |
Engineering Selection Recommendations
The SC628N-BTR is the direct equivalent substitute for the SC628N-1R. Both components share identical electrical performance, mechanical form factor, and termination specifications. The SC628N-BTR is preferred for new designs and ongoing production due to its Active product status, ensuring continued availability and supply chain support.
The SC628N-BTR carries cUL and UL certifications, providing additional regulatory validation compared to the SC628N-1R. Both parts maintain full RoHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can the SC628N-BTR directly replace the SC628N-1R in existing designs?
A: Yes. The SC628N-BTR is electrically and mechanically identical to the SC628N-1R. All electrical parameters, physical dimensions, and termination specifications are equivalent. Direct substitution is supported without circuit or mechanical redesign.
Q: What is the primary difference between SC628N-1R and SC628N-BTR?
A: The SC628N-1R is Obsolete, while the SC628N-BTR is Active. The SC628N-BTR also includes cUL and UL certifications. Electrical and mechanical specifications are identical.
Q: Are there packaging differences between these parts?
A: The SC628N-1R packaging format is not specified in the provided data. The SC628N-BTR is supplied in Bulk packaging. Confirm packaging requirements for your application before procurement.
Q: Do both parts meet current regulatory compliance standards?
A: Yes. Both the SC628N-1R and SC628N-BTR are RoHS3 compliant and REACH unaffected. The SC628N-BTR additionally carries cUL and UL certifications.
Q: What are the critical electrical parameters for substitution?
A: Substitution is valid when voltage range (6–28V), frequency (2.9kHz), SPL (80dB @ 6V, 61cm), current draw (6–23mA), and operating temperature range (–30°C to 65°C) are identical. Both parts meet these criteria.
Q: Can these parts be used interchangeably in panel mount applications?
A: Yes. Both parts feature identical 42.98mm diameter panel mount form factors with screw terminal and quick connect tab termination (0.250" / 6.35mm). Mechanical installation is identical.
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