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RM 11B Equivalent & Substitute Parts Reference
Part Overview
RM 11B is an obsolete diode rectifier (Sanken Electric USA Inc., Diodes, Rectifiers category) with primary functions in general-purpose rectification. The product status as obsolete necessitates identifying alternative models to support ongoing designs, replacements, or maintenance where RM 11B has been specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | RM 11B |
| Category | Diodes, Rectifiers |
| Voltage - DC Reverse (Vr) (Max) | 800 V |
| Current - Average Rectified (Io) | 1.2A |
| Voltage - Forward (Vf) (Max) @ If | 920 mV @ 1.5 A |
| Speed | Standard Recovery >500ns, >200mA (Io) |
| Current - Reverse Leakage @ Vr | 10 µA @ 800 V |
| Mounting Type | Through Hole |
| Package / Case | Axial |
| Operating Temperature - Junction | -40°C ~ 150°C |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for RM 11B are identified based strictly on matching the following key parameters: Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max) @ If, Standard Recovery Speed, Current - Reverse Leakage @ Vr, Mounting Type, Package / Case, Operating Temperature Junction, RoHS Status, and Moisture Sensitivity Level (MSL). Only those models providing equivalent or compatible values for these parameters are listed.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - DC Reverse (Vr) (Max) | Current - Average Rectified (Io) | Voltage - Forward (Vf) (Max) @ If | Speed | Current - Reverse Leakage @ Vr | Mounting Type | Package / Case | Operating Temperature - Junction | RoHS Status | Moisture Sensitivity Level (MSL) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RM 11B | Sanken Electric USA Inc. | 800 V | 1.2A | 920 mV @ 1.5 A | Standard Recovery >500ns, >200mA (Io) | 10 µA @ 800 V | Through Hole | Axial | -40°C ~ 150°C | RoHS Compliant | 1 (Unlimited) |
| EM2B | Sanken Electric USA Inc. | 800 V | 1.2A | 920 mV @ 1.2 A | Standard Recovery >500ns, >200mA (Io) | 10 µA @ 800 V | Through Hole | Axial | -40°C ~ 150°C | RoHS Compliant | 1 (Unlimited) |
| SARS01 | Sanken Electric USA Inc. | 800 V | 1.2A | 920 mV @ 1.2 A | Standard Recovery >500ns, >200mA (Io) | 10 µA @ 800 V | Through Hole | Axial | -40°C ~ 150°C | RoHS Compliant | 1 (Unlimited) |
| 1N5398-E3/54 | Vishay General Semiconductor | 800 V | 1.5A | 1.4 V @ 1.5 A | Standard Recovery >500ns, >200mA (Io) | 5 µA @ 800 V | Through Hole | DO-204AL, DO-41, Axial | -50°C ~ 150°C | ROHS3 Compliant | 1 (Unlimited) |
| 1N5398GP-E3/54 | Vishay General Semiconductor | 800 V | 1.5A | 1.4 V @ 1.5 A | Standard Recovery >500ns, >200mA (Io) | 5 µA @ 800 V | Through Hole | DO-204AC, DO-15, Axial | -65°C ~ 175°C | ROHS3 Compliant | 1 (Unlimited) |
| 1N5398G B0G | Taiwan Semiconductor Corporation | 800 V | 1.5A | 1 V @ 1.5 A | Standard Recovery >500ns, >200mA (Io) | 5 µA @ 800 V | Through Hole | DO-204AC, DO-15, Axial | -55°C ~ 150°C | ROHS3 Compliant | 1 (Unlimited) |
Engineering Selection Recommendations
Selection of substitute parts is determined by product status and compliance parameters. RM 11B is obsolete; all listed substitutes are active and meet RoHS and MSL 1 requirements. Engineering selection should be based on matching product status, regulatory compliance, and inventory availability as provided.
Frequently Asked Questions (FAQ)
Q1: What key parameters are required for substitution of RM 11B?
A1: Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max) @ If, Recovery Speed, Current - Reverse Leakage @ Vr, Mounting Type, Package / Case, Operating Temperature Range, RoHS Status, and Moisture Sensitivity Level (MSL).
Q2: Are all substitutes compatible with through-hole axial mounting?
A2: All listed substitutes match the through-hole axial mounting requirement and are offered in equivalent axial case formats.
Q3: How does product status affect substitute selection?
A3: Only active parts are suitable for new designs or ongoing production. RM 11B is obsolete; all substitutes are currently active.
Q4: What compliance considerations are important for replacements?
A4: All listed substitutes are RoHS compliant and meet MSL 1 requirements, satisfying regulatory and manufacturing standards.
Q5: Are there differences in forward voltage or reverse leakage among substitutes?
A5: Substitute parts may show variation in forward voltage and reverse leakage parameters within the allowed range. Selection should match application needs based on provided values in the table.
Q6: Is package/case compatibility always assured in substitute selection?
A6: All parts listed conform to axial through-hole formats specified for RM 11B. Package case details are provided for direct cross-reference.
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