P2600SBLRP Equivalent & Substitute Parts

Part Overview

The P2600SBLRP is a 220V off-state transient voltage suppressor (TVS) thyristor manufactured by Littelfuse Inc. in the SIDACtor® series. This surface-mount component operates in the DO-214AA (SMB) package and is designed for overvoltage protection applications requiring 250 A peak pulse current capability. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this product category.

Substiute Parts

P2600SBLRP

Littelfuse Inc.In Stock: 3062P2600SBLRP Datasheet

Current PartRFQ

SMTPA220

STMicroelectronicsIn Stock: 3747SMTPA220 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P2600SBLRP is determined by the following critical parameters:

• Voltage Rating (Off-State): Must be 220V to maintain circuit protection threshold
• Package / Case: Must be DO-214AA (SMB) for mechanical and thermal compatibility
• Mounting Type: Must be surface mount for PCB assembly compatibility
• Current Handling (8/20µs pulse): Must support minimum 150 A to ensure adequate transient suppression
• Compliance: Must maintain RoHS3 compliance and EAR99 export classification

The SMTPA220 from STMicroelectronics meets these substitution criteria with a 220V off-state rating, DO-214AA package, and 150 A peak pulse current capability. While the SMTPA220 exhibits lower peak pulse current (150 A vs. 250 A) and reduced capacitance (25 pF vs. 45 pF), these parameters remain within acceptable ranges for equivalent circuit protection in applications where the full 250 A capability is not required.

Parameter Comparison

Engineering Selection Recommendations

Both the P2600SBLRP and SMTPA220 maintain active production status with full RoHS3 compliance and EAR99 export classification. Component selection between these parts depends on application-specific current requirements:

• P2600SBLRP: Select when peak pulse current handling of 250 A (8/20µs) is required or when higher capacitance (45 pF) is specified in circuit design.
• SMTPA220: Select as a substitute when peak pulse current requirements are 150 A or lower, offering equivalent voltage protection with reduced capacitive loading.

Both parts share identical off-state voltage (220V), hold current (150 mA), and package form factor (DO-214AA, SMB), ensuring direct PCB compatibility and thermal performance equivalence.

Frequently Asked Questions (FAQ)

Q: Can SMTPA220 directly replace P2600SBLRP in all applications?

A: Direct replacement is valid only when the application peak pulse current requirement does not exceed 150 A (8/20µs). The SMTPA220 provides equivalent 220V off-state protection with reduced current handling capacity. Circuit analysis must confirm that transient current levels remain within the 150 A specification.

Q: What is the significance of the different breakover voltages (300V vs. 293V)?

A: Both parts maintain the same 220V off-state rating, which is the primary protection threshold. The breakover voltage difference (7V) is within normal manufacturing tolerance and does not affect substitution eligibility for circuits designed around the 220V specification.

Q: Are the packaging and mounting specifications identical?

A: Yes. Both P2600SBLRP and SMTPA220 use DO-214AA (SMB) surface-mount packages. PCB footprints, reflow profiles, and thermal management approaches are mechanically compatible.

Q: How does the capacitance difference (45 pF vs. 25 pF) affect circuit performance?

A: Capacitance affects high-frequency transient response and signal integrity in sensitive circuits. Applications with strict capacitive loading limits should retain the P2600SBLRP. General overvoltage protection circuits typically tolerate the 25 pF capacitance of the SMTPA220 without performance degradation.

Q: Are both parts compliant with current environmental and export regulations?

A: Yes. Both P2600SBLRP and SMTPA220 are RoHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes. Moisture sensitivity level is 1 (unlimited) for both parts.