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ROM-2244P-NF Equivalent & Substitute Parts
Part Overview
The ROM-2244P-NF is an analog electret condenser microphone manufactured by PUI Audio, Inc., designed for omnidirectional audio capture with a sensitivity of -44dB ±3dB. This component operates within a 2V to 10V supply range and features PC pin termination in a compact 0.228" diameter circular package.
The ROM-2244P-NF is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or maintenance requirements for systems utilizing this microphone specification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ROM-2244P-NF |
| Manufacturer | PUI Audio, Inc. |
| Type | Electret Condenser |
| Output Type | Analog |
| Direction | Omnidirectional |
| Sensitivity | -44dB ±3dB |
| S/N Ratio | 60dB |
| Impedance | 2.2 kOhms |
| Voltage Range | 2V ~ 10V |
| Current Supply | 500 µA |
| Termination | PC Pins |
| Size / Dimension | 0.228" Dia (5.80mm) |
| Height (Max) | 0.094" (2.40mm) |
| Shape | Circular |
| Port Location | Top |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the ROM-2244P-NF is determined by strict equivalence across the following critical parameters:
- Microphone type: Electret Condenser
- Output configuration: Analog
- Directional pattern: Omnidirectional
- Sensitivity specification: -44dB ±3dB
- Impedance: 2.2 kOhms
- Voltage range: 2V ~ 10V
- Current supply: 500 µA
- Termination style: PC Pins
- Physical dimensions: 0.228" Dia (5.80mm), Height 0.094" (2.40mm)
- Shape: Circular
- Port location: Top
The ROM-2244P-NF-R meets all substitution criteria. This part maintains identical electrical and mechanical specifications while offering improved product status and compliance certifications.
Parameter Comparison
| Parameter | ROM-2244P-NF | ROM-2244P-NF-R |
|---|---|---|
| Manufacturer | PUI Audio, Inc. | PUI Audio, Inc. |
| Type | Electret Condenser | Electret Condenser |
| Output Type | Analog | Analog |
| Direction | Omnidirectional | Omnidirectional |
| Sensitivity | -44dB ±3dB | -44dB ±3dB |
| S/N Ratio | 60dB | 60dB |
| Impedance | 2.2 kOhms | 2.2 kOhms |
| Voltage - Rated | 2V | 2V |
| Voltage Range | 2V ~ 10V | 2V ~ 10V |
| Current - Supply | 500 µA | 500 µA |
| Port Location | Top | Top |
| Termination | PC Pins | PC Pins |
| Size / Dimension | 0.228" Dia (5.80mm) | 0.228" Dia (5.80mm) |
| Height (Max) | 0.094" (2.40mm) | 0.094" (2.40mm) |
| Shape | Circular | Circular |
| Frequency Range | Not specified | 30 Hz ~ 15 kHz |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging | Not specified | Bulk |
Engineering Selection Recommendations
The ROM-2244P-NF-R is the direct substitute for the obsolete ROM-2244P-NF. Both parts maintain identical electrical performance and mechanical compatibility across all critical parameters.
The ROM-2244P-NF-R offers the following advantages:
- Active product status ensures ongoing availability and manufacturer support
- ROHS3 compliance satisfies current environmental and regulatory requirements
- Frequency range specification (30 Hz ~ 15 kHz) is provided for the substitute part
Selection of the ROM-2244P-NF-R eliminates obsolescence risk while maintaining full functional equivalence with the original specification.
Frequently Asked Questions (FAQ)
Q: Can the ROM-2244P-NF-R be used as a direct replacement for the ROM-2244P-NF?
A: Yes. The ROM-2244P-NF-R is electrically and mechanically equivalent to the ROM-2244P-NF across all specified parameters, including sensitivity, impedance, voltage range, current supply, termination style, and physical dimensions.
Q: What is the primary difference between these two parts?
A: The ROM-2244P-NF is obsolete, while the ROM-2244P-NF-R is an active product. The substitute part also includes ROHS3 compliance certification and a specified frequency range of 30 Hz ~ 15 kHz.
Q: Are the physical dimensions identical?
A: Yes. Both parts feature a 0.228" diameter (5.80mm) circular package with a maximum height of 0.094" (2.40mm) and top-mounted port location.
Q: Do the electrical specifications match?
A: Yes. Both parts operate at -44dB ±3dB sensitivity, 2.2 kOhms impedance, 2V to 10V supply range, and 500 µA current supply with identical PC pin termination.
Q: What packaging options are available?
A: The ROM-2244P-NF-R is supplied in bulk packaging.
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