P1100SD Equivalent & Substitute Parts

Part Overview

The P1100SD is a SIDACtor® Transient Voltage Suppressor (TVS) thyristor manufactured by Littelfuse Inc., designed for overvoltage protection in surface mount applications. This component features a 90V off-state voltage rating with 1 kA peak pulse current capability in a DO-214AA (SMB) package. The P1100SD is classified as obsolete, making identification of active equivalent parts essential for new designs and ongoing production support.

Substiute Parts

P1100SD

Littelfuse Inc.In Stock: 850P1100SD Datasheet

Current PartRFQ

P1100SDLRP

Littelfuse Inc.In Stock: 20247P1100SDLRP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The P1100SD has one direct equivalent: the P1100SDLRP. Substitution eligibility is determined by matching the following critical parameters:

• Voltage - Breakover: 130V
• Voltage - Off State: 90V
• Voltage - On State: 4V
• Current - Peak Pulse (8/20µs): 1 kA
• Current - Peak Pulse (10/1000µs): 200 A
• Current - Hold (Ih): 50 mA
• Number of Elements: 1
• Capacitance: 115 pF
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

The P1100SDLRP maintains identical electrical and mechanical specifications to the P1100SD, with the primary difference being packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The P1100SDLRP is the direct active equivalent for the obsolete P1100SD. Selection of the P1100SDLRP is appropriate for applications requiring:

• Identical electrical performance across all voltage and current ratings
• Identical mechanical fit in DO-214AA (SMB) surface mount footprints
• Active product status with ongoing manufacturer support
• ROHS3 compliance for regulated applications
• REACH unaffected status for international distribution

The P1100SDLRP differs from the P1100SD only in packaging format (Tape & Reel versus bulk) and regulatory compliance status. No circuit redesign or PCB layout modification is required for substitution.

Frequently Asked Questions (FAQ)

Q: Can the P1100SDLRP be used as a direct replacement for the P1100SD?

A: Yes. The P1100SDLRP is electrically and mechanically identical to the P1100SD. All voltage ratings, current ratings, and package dimensions match exactly. The primary difference is packaging format and product status.

Q: What is the difference between P1100SD and P1100SDLRP?

A: The P1100SD is supplied in bulk packaging and is classified as obsolete. The P1100SDLRP is supplied in Tape & Reel format and maintains active product status. Electrical specifications are identical.

Q: Does the P1100SDLRP fit the same PCB footprint as the P1100SD?

A: Yes. Both parts use the DO-214AA (SMB) package with identical mechanical dimensions and pin configuration. No PCB layout changes are required.

Q: Is the P1100SDLRP RoHS compliant?

A: Yes. The P1100SDLRP is ROHS3 compliant. The P1100SD is RoHS non-compliant.

Q: What is the minimum order quantity for the P1100SDLRP?

A: Packaging format determines order quantity. Tape & Reel packaging typically requires purchase in reel quantities. Contact the supplier for specific minimum order requirements.

Q: Are there any performance differences between the two parts?

A: No. Both parts have identical electrical performance, including breakover voltage (130V), off-state voltage (90V), on-state voltage (4V), peak pulse current (1 kA at 8/20µs), and hold current (50 mA).