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RB520S-30EP-TP Equivalent & Substitute Parts
Part Overview
The RB520S-30EP-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, designed for surface mount applications in the 0201 package form factor. This component is rated for 30 V DC reverse voltage with a 100 mA average rectified current capacity and a maximum forward voltage of 850 mV at 100 mA. The part is classified as obsolete, which necessitates identification of equivalent substitute components to maintain design continuity and ensure procurement availability for new production runs and field replacements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - DC Reverse (Vr) (Max) | 30 V |
| Current - Average Rectified (Io) | 100 mA |
| Voltage - Forward (Vf) (Max) @ If | 850 mV @ 100 mA |
| Current - Reverse Leakage @ Vr | 20 µA @ 30 V |
| Technology | Schottky |
| Mounting Type | Surface Mount |
| Package / Case | 0201 (0603 Metric) |
| Operating Temperature - Junction (Max) | 125°C |
| Speed Classification | Small Signal ≤ 200mA (Io), Any Speed |
Substitute Part Grouping Explanation
Substitution of the RB520S-30EP-TP is determined by electrical and mechanical parameter equivalence within the Schottky diode rectifier category. The following parameters establish substitution eligibility:
Electrical Parameters (Must Match):
- Voltage - DC Reverse (Vr) (Max): 30 V
- Current - Average Rectified (Io): 100 mA
- Voltage - Forward (Vf) (Max) @ If: 850 mV @ 100 mA
- Current - Reverse Leakage @ Vr: 20 µA @ 30 V
- Technology: Schottky
- Speed Classification: Small Signal ≤ 200mA (Io), Any Speed
Mechanical Parameters (Must Match):
- Mounting Type: Surface Mount
- Package / Case: 0201 (0603 Metric)
- Operating Temperature - Junction (Max): 125°C
The RB520S-30DP-TP meets all electrical and mechanical substitution criteria and shares the same base product number (RB520) and manufacturer, confirming direct equivalence.
Parameter Comparison
| Parameter | RB520S-30EP-TP (Main Part) | RB520S-30DP-TP (Substitute) |
|---|---|---|
| Manufacturer | Micro Commercial Co | Micro Commercial Co |
| Category | Diodes, Rectifiers | Diodes, Rectifiers |
| Technology | Schottky | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 30 V | 30 V |
| Current - Average Rectified (Io) | 100 mA | 100 mA |
| Voltage - Forward (Vf) (Max) @ If | 850 mV @ 100 mA | 850 mV @ 100 mA |
| Current - Reverse Leakage @ Vr | 20 µA @ 30 V | 20 µA @ 30 V |
| Speed Classification | Small Signal ≤ 200mA (Io), Any Speed | Small Signal ≤ 200mA (Io), Any Speed |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 0201 (0603 Metric) | 0201 (0603 Metric) |
| Operating Temperature - Junction (Max) | 125°C | 125°C |
| Base Product Number | RB520 | RB520 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.10.0070 | 8541.10.0070 |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The RB520S-30DP-TP is the direct equivalent substitute for the obsolete RB520S-30EP-TP. Both components are manufactured by Micro Commercial Co and share identical electrical specifications, mechanical form factors, and regulatory compliance certifications. The primary distinction is product status: the RB520S-30EP-TP is obsolete, while the RB520S-30DP-TP maintains active production status with significantly higher inventory availability (39,757 pieces versus 659 pieces).
Both parts comply with ROHS3 regulations, maintain REACH unaffected status, and carry identical ECCN and HTSUS classifications. The moisture sensitivity level of 1 (Unlimited) applies to both components, indicating no special moisture handling requirements during storage or assembly.
For new designs and production applications, the RB520S-30DP-TP is the appropriate selection due to its active product status and sustained supply chain availability. For existing designs currently utilizing the RB520S-30EP-TP, direct substitution with the RB520S-30DP-TP is electrically and mechanically compatible without design modification.
Frequently Asked Questions (FAQ)
Q: Can the RB520S-30DP-TP be used as a direct replacement for the RB520S-30EP-TP?
A: Yes. The RB520S-30DP-TP is a direct equivalent substitute. Both components share identical electrical ratings (30 V reverse voltage, 100 mA average rectified current, 850 mV forward voltage at 100 mA), identical reverse leakage characteristics (20 µA @ 30 V), and identical mechanical specifications (0201 surface mount package, 125°C maximum junction temperature). No circuit modifications are required.
Q: What is the difference between the RB520S-30EP-TP and RB520S-30DP-TP?
A: The primary difference is product status and packaging format. The RB520S-30EP-TP is classified as obsolete with limited inventory (659 pieces). The RB520S-30DP-TP is an active product with substantially higher availability (39,757 pieces) and is supplied in Cut Tape (CT) and Digi-Reel® packaging formats. All electrical and mechanical parameters are identical.
Q: Are there any compliance or regulatory differences between these parts?
A: No. Both the RB520S-30EP-TP and RB520S-30DP-TP carry identical regulatory certifications: ROHS3 compliance, REACH unaffected status, EAR99 ECCN classification, and 8541.10.0070 HTSUS code. Moisture sensitivity level is 1 (Unlimited) for both components.
Q: What packaging options are available for the substitute part?
A: The RB520S-30DP-TP is supplied in Cut Tape (CT) and Digi-Reel® packaging formats. The original RB520S-30EP-TP packaging format is not specified in the available data.
Q: Can these diodes be used in high-temperature applications?
A: Both components are rated for a maximum junction temperature of 125°C. Application suitability depends on the specific thermal environment and circuit design. The maximum junction temperature rating establishes the upper thermal limit for component operation.
Q: Are there any speed or frequency limitations for these Schottky diodes?
A: Both components are classified as Small Signal diodes with current ratings ≤ 200 mA and carry an "Any Speed" designation. This classification indicates suitability for general-purpose rectification and switching applications without frequency-specific restrictions within the rated current and voltage parameters.
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