P6SMB36A-Q Equivalent & Substitute Parts

Part Overview

The P6SMB36A-Q is an active-status transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for telecom applications requiring transient protection. This unidirectional zener diode operates in the 30.8V reverse standoff voltage range with a 49.9V maximum clamping voltage and 12.2A peak pulse current capability. The component is packaged in DO-214AA (SMB) surface mount format and meets automotive-grade AEC-Q101 qualification standards.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter ranges, ensuring functional interchangeability in circuit protection applications.

Substiute Parts

P6SMB36A-Q

Bourns Inc.In Stock: 977P6SMB36A-Q Datasheet

Current PartRFQ

SMBJE30AH

Eaton - Electronics DivisionIn Stock: 3666SMBJE30AH Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB36A-Q is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

• Voltage - Reverse Standoff (Typ): 30V to 30.8V range
• Voltage - Clamping (Max) @ Ipp: 48.4V to 49.9V range
• Current - Peak Pulse (10/1000µs): ≥12.2A
• Power - Peak Pulse: 600W minimum
• Package / Case: DO-214AA or SMB equivalent
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C to 150°C minimum
• Grade: Automotive
• Qualification: AEC-Q101

The substitute part SMBJE30AH meets all specified criteria within these parameter windows, maintaining functional equivalence for transient voltage suppression in telecom circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

SMBJE30AH (Eaton - Electronics Division) is qualified as a direct substitute for P6SMB36A-Q based on the following engineering criteria:

1. Electrical Performance: Both components operate within the 30V reverse standoff voltage class with clamping voltages within 1.5V of each other (49.9V vs. 48.4V). Peak pulse current ratings are equivalent at 12.2A and 12.4A respectively.

2. Mechanical Compatibility: Both components utilize identical DO-214AA (SMB) surface mount packaging, ensuring PCB footprint and assembly process compatibility without design modification.

3. Compliance & Certification: Both parts carry automotive-grade classification with AEC-Q101 qualification, ROHS3 compliance, and identical moisture sensitivity levels (MSL 1 - Unlimited).

4. Thermal Performance: Operating temperature ranges are identical (-55°C to 150°C junction temperature), ensuring equivalent thermal behavior in circuit protection applications.

5. Product Status: Both components maintain active product status with established supply availability.

Selection between these parts may be based on inventory availability, lead time, or supplier preference, as electrical and mechanical performance are functionally equivalent for telecom transient voltage suppression applications.

Frequently Asked Questions (FAQ)

Q1: Can SMBJE30AH be used as a direct replacement for P6SMB36A-Q without PCB modifications?

A: Yes. Both components share identical DO-214AA (SMB) surface mount packaging and footprint geometry. No PCB layout changes are required for substitution.

Q2: What is the significance of the 0.8V difference in reverse standoff voltage (30.8V vs. 30V)?

A: This 2.6% variation falls within standard component tolerance windows for TVS diodes in this voltage class. Both parts function within the same circuit protection specification range for 30V-class transient suppression applications.

Q3: How do the clamping voltage specifications compare between these parts?

A: P6SMB36A-Q specifies 49.9V maximum clamping at peak pulse current, while SMBJE30AH specifies 48.4V. This 1.5V difference (3%) remains within acceptable tolerance for telecom circuit protection, where clamping voltage consistency is maintained across both components.

Q4: Are both parts suitable for automotive applications?

A: Yes. Both P6SMB36A-Q and SMBJE30AH carry automotive-grade classification and AEC-Q101 qualification, meeting automotive industry reliability and qualification standards.

Q5: What is the moisture sensitivity level, and does it affect storage or handling?

A: Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard ESD precautions apply during handling and assembly, but no special moisture-controlled storage is required.

Q6: Can these parts be used interchangeably in existing production assemblies?

A: Yes, provided the circuit design operates within the specified parameter ranges of both components. The electrical and mechanical equivalence supports direct substitution in production environments without design review.

Q7: What applications are these TVS diodes designed for?

A: Both components are specified for telecom applications requiring transient voltage suppression. The 30V reverse standoff voltage class and 600W peak pulse power rating address standard telecom line protection requirements.