1SMB64A TR13 PBFREE Equivalent & Substitute Parts

Part Overview

The 1SMB64A TR13 PBFREE is a unidirectional transient voltage suppressor (TVS) diode manufactured by Central Semiconductor Corp, designed for general-purpose overvoltage protection applications. This surface-mount component operates across a temperature range of -65°C to 150°C and is RoHS3 compliant. The part is currently active in production with 945 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and design optimization across compatible applications.

Substiute Parts

1SMB64A TR13 PBFREE

Central Semiconductor CorpIn Stock: 10461SMB64A TR13 PBFREE Datasheet

Current PartRFQ

SMBJ64A

MeritekIn Stock: 23111SMBJ64A Datasheet

DirectRFQ

SMBJ64A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 45504SMBJ64A-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1SMB64A TR13 PBFREE are qualified based on the following critical electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 64V
• Voltage - Breakdown (Min): 71.1V
• Voltage - Clamping (Max) @ Ipp: 103V
• Current - Peak Pulse (10/1000µs): 5.8A ± tolerance
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Unidirectional Channels: 1
• Type: Zener

All identified substitutes maintain electrical equivalence within the specified parameter ranges and are packaged in the same DO-214AA SMB form factor, ensuring mechanical and electrical compatibility in surface-mount applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status and full RoHS3 compliance, ensuring regulatory alignment for current and future applications. The SMBJ64A-E3/52 from Vishay General Semiconductor carries the TransZorb® series designation and is available in the highest inventory quantity (45,400 units), supporting large-scale production requirements. The SMBJ64A from Meritek offers an alternative source with comparable electrical performance and substantial stock availability (23,100 units). The original 1SMB64A TR13 PBFREE from Central Semiconductor Corp remains the primary specification with the widest operating temperature range (-65°C to 150°C) and adequate inventory (945 units) for standard applications.

Selection between these parts should be based on supply chain requirements, inventory availability, and manufacturing source preferences, as all three meet the electrical and mechanical specifications for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can SMBJ64A and SMBJ64A-E3/52 be used interchangeably with 1SMB64A TR13 PBFREE?

A: Yes. All three parts share identical voltage ratings (64V reverse standoff, 71.1V breakdown minimum, 103V clamping maximum), equivalent peak pulse current specifications (5.8A to 5.83A), and the same DO-214AA SMB package. They are electrically and mechanically compatible for direct substitution in surface-mount applications.

Q: What is the difference in operating temperature ranges?

A: The 1SMB64A TR13 PBFREE operates from -65°C to 150°C, while both SMBJ64A and SMBJ64A-E3/52 operate from -55°C to 150°C. Applications requiring operation below -55°C must use the original 1SMB64A TR13 PBFREE.

Q: Are all parts RoHS3 compliant?

A: Yes. The 1SMB64A TR13 PBFREE, SMBJ64A, and SMBJ64A-E3/52 are all RoHS3 compliant with MSL rating of 1 (Unlimited), meeting current environmental and regulatory requirements.

Q: What is the significance of the TransZorb® designation on SMBJ64A-E3/52?

A: TransZorb® is a Vishay product series designation. The SMBJ64A-E3/52 maintains the same electrical specifications and package as the other substitutes, with the series name indicating Vishay's manufacturing line and quality standards.

Q: Can these parts be used for power line protection applications?

A: No. The 1SMB64A TR13 PBFREE is specified for general-purpose applications only, with power line protection listed as "No." The substitute parts do not indicate power line protection capability and should not be applied to power distribution circuits without additional circuit design considerations.

Q: How do I select between the three available parts?

A: Selection should prioritize supply chain availability and manufacturing source preference. All three parts are electrically equivalent. For applications requiring extended low-temperature operation below -55°C, the 1SMB64A TR13 PBFREE is required. For standard applications, SMBJ64A-E3/52 offers the highest inventory availability.