Equivalent & Substitute Parts for P2000SCMCRP

Part Overview

The P2000SCMCRP is a 180V off-state, 400A peak pulse TVS thyristor manufactured by Littelfuse Inc. in the SIDACtor® series, housed in a DO-214AA (SMB) surface mount package. This component is classified as obsolete, making identification of suitable alternatives necessary for ongoing design support and procurement continuity. The part provides transient voltage suppression through a thyristor mechanism with a 220V breakover voltage and 4V on-state voltage characteristic.

Substiute Parts

P2000SCMCRP

Littelfuse Inc.In Stock: 1230P2000SCMCRP Datasheet

Current PartRFQ

P2000SCMCLRP

Littelfuse Inc.In Stock: 1388P2000SCMCLRP Datasheet

DirectRFQ

SMTPA180

STMicroelectronicsIn Stock: 3882SMTPA180 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for TVS thyristors is determined by matching the following critical parameters:

• Off-State Voltage (180V): Defines the voltage rating at which the device remains non-conducting
• Breakover Voltage (220V): Determines the trigger point for transient suppression
• On-State Voltage (4V): Establishes the clamping voltage during conduction
• Package / Case (DO-214AA, SMB): Ensures mechanical and electrical compatibility with existing PCB layouts
• Mounting Type (Surface Mount): Confirms compatibility with assembly processes

Two substitute parts are identified:

1. P2000SCMCLRP (Littelfuse Inc.): Direct electrical equivalent with identical voltage and current ratings, differentiated only by packaging format (Tape & Reel) and active product status.

2. SMTPA180 (STMicroelectronics): Manufacturer-recommended alternative with matching off-state voltage (180V), breakover voltage (240V), and package (DO-214AA, SMB), but with reduced peak pulse current ratings (150A at 8/20µs, 50A at 10/1000µs) and different hold current (150mA).

Parameter Comparison

Engineering Selection Recommendations

P2000SCMCLRP is the primary substitute for P2000SCMCRP. Both parts are manufactured by Littelfuse Inc. within the SIDACtor® series and share identical electrical specifications. P2000SCMCLRP is active in production and ROHS3 compliant, addressing the obsolescence and regulatory compliance limitations of the original part. The only difference is packaging format (Tape & Reel versus cut tape), which does not affect electrical performance or PCB integration.

SMTPA180 is a secondary alternative from STMicroelectronics. While it maintains the 180V off-state voltage and DO-214AA package, it exhibits reduced peak pulse current capacity (150A versus 400A at 8/20µs) and lower peak pulse current at 10/1000µs (50A versus 100A). This part is suitable only for applications where the lower current ratings are acceptable. SMTPA180 is active in production and ROHS3 compliant.

Both alternatives are available in active production status with full RoHS3 compliance, supporting modern supply chain and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can P2000SCMCLRP be used as a direct replacement for P2000SCMCRP?

A: Yes. P2000SCMCLRP is electrically identical to P2000SCMCRP with matching voltage ratings (180V off-state, 220V breakover, 4V on-state) and current specifications (400A peak pulse at 8/20µs, 100A at 10/1000µs). The parts differ only in packaging format. Both are housed in DO-214AA (SMB) packages suitable for surface mount assembly.

Q: What are the limitations of SMTPA180 as a substitute?

A: SMTPA180 has reduced peak pulse current ratings. It handles 150A at 8/20µs and 50A at 10/1000µs, compared to 400A and 100A respectively for P2000SCMCRP. Applications requiring the full 400A pulse capacity cannot use SMTPA180. The breakover voltage is also higher at 240V versus 220V.

Q: Are all substitute parts available in the same package?

A: Yes. P2000SCMCRP, P2000SCMCLRP, and SMTPA180 are all housed in DO-214AA (SMB) surface mount packages, ensuring mechanical compatibility with existing PCB designs and assembly processes.

Q: What is the difference between P2000SCMCRP and P2000SCMCLRP packaging?

A: P2000SCMCRP is supplied in cut tape format, while P2000SCMCLRP is supplied in Tape & Reel (TR) format. Both are surface mount packages with identical electrical characteristics. Tape & Reel packaging is standard for high-volume production environments.

Q: Do the substitute parts meet current regulatory compliance requirements?

A: Yes. Both P2000SCMCLRP and SMTPA180 are ROHS3 compliant and REACH unaffected, meeting modern regulatory standards. P2000SCMCRP is RoHS non-compliant, which may restrict its use in new designs subject to RoHS regulations.

Q: How do the hold current specifications differ among these parts?

A: P2000SCMCRP and P2000SCMCLRP both specify 120mA hold current (Ih). SMTPA180 specifies 150mA hold current. This parameter affects the minimum current required to maintain thyristor conduction after triggering.