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RB480YT2R Equivalent & Substitute Parts Reference
Part Overview
The RB480YT2R from Rohm Semiconductor is a Schottky diode array consisting of two independent diodes rated at 30 V and 100 mA each, configured for surface-mount installation in an SC-75-4/SOT-543 package. The product status is "Obsolete", which necessitates the identification and review of direct substitute components for applications requiring similar electrical and mechanical characteristics. Finding an alternative part ensures ongoing support for designs and maintenance where this diode array was originally specified.
Substiute Parts
Key Parameters
| Parameter | Main Part (RB480YT2R) | Notes |
|---|---|---|
| Manufacturer | Rohm Semiconductor | Category consistency required |
| Category | Diodes, Rectifiers | Functional category |
| Diode Configuration | 2 Independent | Substitution requires configuration review |
| Technology | Schottky | Substitute must use same technology |
| Voltage - DC Reverse (Vr) (Max) | 30 V | Voltage rating must match |
| Current - Average Rectified (Io, per Diode) | 100 mA | Current rating must be equal or greater |
| Voltage - Forward (Vf) (Max) @ If | 530 mV @ 100 mA | Forward voltage specification |
| Speed | Small Signal =< 200mA (Io), Any Speed | Signal speed match |
| Current - Reverse Leakage @ Vr | 1 µA @ 10 V | Leakage current specification |
| Operating Temperature - Junction (Max) | 125°C | Temperature rating compatibility |
| Mounting Type | Surface Mount | Physical mounting must match |
| Package / Case | SC-75-4, SOT-543 | Package matching or review required |
| RoHS Status | ROHS3 Compliant | Compliance |
| MSL | 1 (Unlimited) | Moisture sensitivity |
| REACH Status | REACH Unaffected | Compliance |
| ECCN | EAR99 | Export classification |
| HTSUS | 8541.10.0070 | Tariff classification |
| Product Status | Obsolete | Status requiring substitution |
Substitute Part Grouping Explanation
Parts listed as substitutes for RB480YT2R are evaluated strictly on the following parameters: Technology (Schottky), Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max) @ If, Current - Reverse Leakage @ Vr, Operating Temperature - Junction (Max), Mounting Type, Package / Case, RoHS Status, Moisture Sensitivity Level (MSL), REACH Status, ECCN, and HTSUS. Diode Configuration and mechanical package compatibility must be reviewed per use case, as substitute parts may differ in these aspects.
Parameter Comparison
| Parameter | Main Part (RB480YT2R) | Substitute Part (RB520SM-30T2R) |
|---|---|---|
| Manufacturer | Rohm Semiconductor | Rohm Semiconductor |
| Category | Diodes, Rectifiers | Diodes, Rectifiers |
| Technology | Schottky | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 30 V | 30 V |
| Current - Average Rectified (Io) | 100 mA | 200 mA |
| Voltage - Forward (Vf) (Max) @ If | 530 mV @ 100 mA | 580 mV @ 200 mA |
| Speed | Small Signal =< 200mA (Io), Any Speed | Small Signal =< 200mA (Io), Any Speed |
| Current - Reverse Leakage @ Vr | 1 µA @ 10 V | 1 µA @ 10 V |
| Operating Temperature - Junction (Max) | 125°C | 150°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SC-75-4, SOT-543 | SC-79, SOD-523 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.10.0070 | 8541.10.0070 |
Engineering Selection Recommendations
Selection among available substitute parts for RB480YT2R is determined by product status and regulatory compliance parameters. RB480YT2R is obsolete, and RB520SM-30T2R is active. Both products are ROHS3 compliant, MSL 1 (Unlimited), and REACH unaffected, with identical ECCN and HTSUS classifications. Substitute selection should only reference the given certified data and product status.
Frequently Asked Questions (FAQ)
Q1: Which parameters are critical for identifying RB480YT2R diode substitutes?
- Evaluation is based on Technology (Schottky), Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max), Current - Reverse Leakage @ Vr, Mounting Type, Package / Case, compliance certifications, and product status.
Q2: Can RB520SM-30T2R replace RB480YT2R in all applications?
- Substitution is strictly based on the matched electrical parameters, compliance certifications, and mounting type. Package differences and diode configuration may require design review.
Q3: Is the packaging of RB520SM-30T2R compatible with RB480YT2R?
- RB480YT2R uses SC-75-4, SOT-543; RB520SM-30T2R uses SC-79, SOD-523. Mechanical compatibility must be referenced according to the specified packages.
Q4: Do both parts have equivalent regulatory compliance?
- Both parts are ROHS3 compliant, REACH unaffected, have MSL 1 (Unlimited), ECCN EAR99, and HTSUS 8541.10.0070.
Q5: Why is substitution necessary for RB480YT2R?
- The product status of RB480YT2R is "Obsolete," requiring alternate parts for continued design and production support.
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