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MB7489-720 Equivalent & Substitute Parts
Part Overview
The MB7489-720 is an ultrasonic sensor from MaxBotix Inc.'s 4-20HR-MaxSonar-WR series, operating at 42kHz with a 23° beam angle. This component functions as a transmitter and receiver unit rated for 10V to 32V operation across -40°C to 65°C. The MB7489-720 is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | MaxBotix Inc. |
| Series | 4-20HR-MaxSonar-WR |
| Frequency | 42kHz |
| Voltage - Rated | 10V ~ 32V |
| Beam Angle | 23° |
| Operating Temperature | -40°C ~ 65°C (TA) |
| Type | Transmitter, Receiver |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
The MB7489-721 qualifies as a direct substitute for the MB7489-720 based on matching electrical and mechanical parameters. Substitution is determined by the following criteria:
- Identical frequency specification (42kHz)
- Identical voltage rating (10V ~ 32V)
- Identical beam angle (23°)
- Identical operating temperature range (-40°C ~ 65°C)
- Identical functional type (Transmitter, Receiver)
- Identical series designation (4-20HR-MaxSonar-WR)
- Identical RoHS compliance status (ROHS3 Compliant)
The primary distinction is product status: MB7489-720 is obsolete while MB7489-721 is active, with packaging differences (MB7489-720 standard vs. MB7489-721 bulk).
Parameter Comparison
| Parameter | MB7489-720 | MB7489-721 |
|---|---|---|
| Manufacturer | MaxBotix Inc. | MaxBotix Inc. |
| Series | 4-20HR-MaxSonar-WR | 4-20HR-MaxSonar-WR |
| Frequency | 42kHz | 42kHz |
| Voltage - Rated | 10V ~ 32V | 10V ~ 32V |
| Beam Angle | 23° | 23° |
| Operating Temperature | -40°C ~ 65°C | -40°C ~ 65°C |
| Type | Transmitter, Receiver | Transmitter, Receiver |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
| Packaging | Standard | Bulk |
Engineering Selection Recommendations
The MB7489-721 is the direct substitute for the obsolete MB7489-720. Both components maintain identical electrical specifications, mechanical dimensions, and functional characteristics within the 4-20HR-MaxSonar-WR series. Selection of MB7489-721 is supported by its active product status and continued availability, ensuring long-term supply chain reliability. Both parts maintain ROHS3 compliance and equivalent regulatory classification (EAR99, HTSUS 8543.70.4500).
Frequently Asked Questions (FAQ)
Q: Can MB7489-721 directly replace MB7489-720 in existing designs?
A: Yes. Both components share identical electrical ratings (10V ~ 32V), frequency (42kHz), beam angle (23°), operating temperature range (-40°C ~ 65°C), and functional type (Transmitter, Receiver). No circuit modifications are required.
Q: What is the primary difference between these parts?
A: MB7489-720 is obsolete while MB7489-721 is active. Packaging differs: MB7489-720 uses standard packaging while MB7489-721 is supplied in bulk. Electrical and mechanical specifications are identical.
Q: Are there packaging considerations when switching from MB7489-720 to MB7489-721?
A: Yes. MB7489-721 is supplied in bulk packaging. Verify that bulk packaging meets your assembly and storage requirements before procurement.
Q: Do both parts meet the same compliance standards?
A: Yes. Both MB7489-720 and MB7489-721 are ROHS3 compliant with identical ECCN (EAR99) and HTSUS (8543.70.4500) classifications.
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