SMBJ36A-HR Equivalent & Substitute Parts

Part Overview

The SMBJ36A-HR is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection applications. This surface-mount component operates across a wide temperature range and provides peak pulse power handling of 600W. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range.

Substiute Parts

SMBJ36A-HR

Littelfuse Inc.In Stock: 753SMBJ36A-HR Datasheet

Current PartRFQ

SMBJ36A

EVVO SemiIn Stock: 122275SMBJ36A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMBJ36A-HR are qualified based on the following electrical and mechanical criteria:

• Voltage - Reverse Standoff (Typ): 36V
• Voltage - Breakdown (Min): 40V
• Voltage - Clamping (Max) @ Ipp: 58.1V
• Current - Peak Pulse (10/1000µs): 10.4A
• Power - Peak Pulse: 600W
• Operating Temperature Range: -65°C to 150°C (TJ)
• Mounting Type: Surface Mount
• Type: Zener, Unidirectional (1 channel)

The SMBJ36A manufactured by EVVO Semi meets all specified electrical parameters and maintains surface-mount compatibility. Both parts operate within identical voltage and current specifications, ensuring functional equivalence in overvoltage protection circuits.

Parameter Comparison

Engineering Selection Recommendations

Both the SMBJ36A-HR and SMBJ36A are active production components with full RoHS3 compliance and unlimited moisture sensitivity ratings. Selection between these parts should be based on:

• Availability and lead time requirements
• Packaging format preference (Tape & Reel vs. Cut Tape & Digi-Reel)
• Supply chain and procurement constraints
• Cost considerations within your sourcing strategy

All electrical and thermal specifications are identical, ensuring direct functional substitution in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ36A (EVVO Semi) directly replace SMBJ36A-HR (Littelfuse) in existing designs?

A: Yes. Both parts share identical electrical specifications including voltage ratings, clamping characteristics, peak pulse current, and power dissipation. They are functionally equivalent for overvoltage protection applications.

Q: Are there package differences between these parts?

A: The SMBJ36A-HR uses DO-214AA (SMB) packaging, while the SMBJ36A uses DO-214AC (SMA) packaging. Both are surface-mount packages with similar form factors suitable for standard PCB assembly processes. Verify PCB footprint compatibility with your design.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and EAR99 export classification.

Q: What is the temperature operating range for both parts?

A: Both parts operate from -65°C to 150°C junction temperature (TJ), providing equivalent thermal performance across industrial and commercial applications.

Q: Are there inventory or supply differences?

A: The SMBJ36A (EVVO Semi) shows significantly higher inventory availability (122,200 pcs) compared to SMBJ36A-HR (723 pcs). This may influence procurement decisions based on project timelines and volume requirements.