S3ABHE3-TP Equivalent & Substitute Parts

Part Overview

The S3ABHE3-TP is a surface mount rectifier diode manufactured by Micro Commercial Co, rated for 50 V DC reverse voltage and 3 A average rectified current in a DO-214AA (SMB) package. This part is classified as obsolete, indicating it has been discontinued and is no longer in active production. Locating equivalent substitute parts is necessary to support ongoing design requirements, maintenance operations, and production continuity where this component was previously specified.

Substiute Parts

S3ABHE3-TP

Micro Commercial CoIn Stock: 953S3ABHE3-TP Datasheet

Current PartRFQ

S3JBHE3-TP

Micro Commercial CoIn Stock: 3471S3JBHE3-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the S3ABHE3-TP is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Package / Case: DO-214AA (SMB) surface mount package
• Current Rating: 3 A average rectified current
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C

Voltage Rating Consideration: The S3ABHE3-TP operates at a maximum reverse voltage of 50 V. Substitute parts may have equal or higher voltage ratings, as a higher-rated device will function correctly in lower-voltage applications. The substitute S3JBHE3-TP is rated for 600 V, which exceeds the original specification and remains fully compatible for circuits designed around the 50 V rating.

Electrical Performance Parameters: Forward voltage drop, reverse leakage current, recovery speed, and capacitance characteristics must remain consistent across substitutes to ensure equivalent circuit behavior.

Parameter Comparison

Engineering Selection Recommendations

S3JBHE3-TP is the direct substitute for the obsolete S3ABHE3-TP. Selection of this substitute is based on the following engineering factors:

Product Status: The S3JBHE3-TP is classified as Active, ensuring ongoing availability and supply chain continuity. The original S3ABHE3-TP is obsolete and no longer manufactured.

Compliance and Certification: The S3JBHE3-TP carries AEC-Q101 automotive qualification and is ROHS3 compliant, providing enhanced reliability documentation and environmental compliance. Both parts are REACH Unaffected and classified under ECCN EAR99.

Electrical Equivalence: All critical electrical parameters—forward voltage, reverse leakage, recovery speed, and capacitance—are identical between the main part and substitute. The higher voltage rating (600 V vs. 50 V) of the substitute presents no functional disadvantage in applications designed for the original 50 V specification.

Package and Thermal Compatibility: Both parts use identical DO-214AA (SMB) surface mount packaging and share the same operating temperature range (-55°C ~ 150°C), ensuring direct PCB compatibility without layout modifications.

Inventory Availability: The S3JBHE3-TP is available in significantly higher quantities (3374 Pcs) compared to the original part, supporting both immediate procurement and long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can the S3JBHE3-TP be used as a direct replacement for the S3ABHE3-TP without circuit modifications?

A: Yes. The S3JBHE3-TP is electrically and mechanically equivalent to the S3ABHE3-TP. Both parts share identical forward voltage, reverse leakage, recovery speed, capacitance, package type, and operating temperature range. The higher voltage rating of the substitute (600 V vs. 50 V) does not require circuit changes and remains fully compatible with designs specified for 50 V operation.

Q: What is the significance of the higher voltage rating on the S3JBHE3-TP?

A: The S3JBHE3-TP is rated for 600 V maximum reverse voltage, compared to 50 V on the original part. In rectifier diode applications, a higher voltage rating indicates greater reverse breakdown protection. This characteristic does not negatively impact performance in circuits designed for lower voltages; the substitute will function identically in 50 V applications.

Q: Are there any compliance or certification differences between these parts?

A: The S3JBHE3-TP includes AEC-Q101 automotive qualification and ROHS3 compliance, providing additional reliability and environmental certifications. The original S3ABHE3-TP does not list these qualifications. Both parts are REACH Unaffected and carry the same ECCN and HTSUS classifications.

Q: Is the DO-214AA (SMB) package identical on both parts?

A: Yes. Both the S3ABHE3-TP and S3JBHE3-TP use the DO-214AA (SMB) surface mount package. No PCB layout changes, footprint modifications, or reflow profile adjustments are required when substituting between these parts.

Q: What is the Moisture Sensitivity Level (MSL) of the substitute part?

A: The S3JBHE3-TP has an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling. This simplifies inventory management and reduces the need for specialized dry-pack storage conditions.

Q: Why is the original S3ABHE3-TP classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production of this part. The S3JBHE3-TP represents the active production equivalent, ensuring continued availability and supply chain support for applications previously using the S3ABHE3-TP.