P2103ACRP Equivalent & Substitute Parts

Part Overview

The P2103ACRP is a three-element SIDACtor® thyristor transient voltage suppressor manufactured by Littelfuse Inc., designed for overvoltage protection applications. This device features a 170V off-state voltage rating with 400A peak pulse current capability in an industry-standard TO-220 Modified package configuration.

The P2103ACRP carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this specific electrical and mechanical specification set.

Substiute Parts

P2103ACRP

Littelfuse Inc.In Stock: 1209P2103ACRP Datasheet

Current PartRFQ

P2103ACL

Littelfuse Inc.In Stock: 5485P2103ACL Datasheet

DirectRFQ

P2103ACLRP

Littelfuse Inc.In Stock: 1144P2103ACLRP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P2103ACRP are qualified based on electrical parameter equivalence and mechanical compatibility. The following criteria determine substitution validity:

Electrical Parameters (Must Match):

• Voltage - Breakover: 250V
• Voltage - Off State: 170V
• Voltage - On State: 8V
• Current - Peak Pulse (8/20µs): 400A
• Current - Peak Pulse (10/1000µs): 100A
• Current - Hold (Ih): 150mA
• Number of Elements: 3
• Capacitance: 55pF, 85pF

Mechanical Parameters (Must Match):

• Package / Case: 3-SIP
• Mounting Type: Through Hole
• Supplier Device Package: TO-220 Modified

All substitute parts listed maintain identical electrical and mechanical specifications, ensuring direct functional equivalence in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both P2103ACL and P2103ACLRP provide complete electrical and mechanical equivalence to the obsolete P2103ACRP. Selection between these substitutes depends on procurement and assembly requirements:

P2103ACL is supplied in bulk packaging and maintains active product status with ROHS3 compliance certification.

P2103ACLRP is supplied in Tape & Reel format, suitable for automated assembly processes, and maintains active product status with ROHS3 compliance certification and REACH unaffected status.

Both substitute parts satisfy identical electrical performance requirements and package specifications. The choice between them is determined by supply chain logistics, assembly methodology, and regulatory compliance documentation requirements for your application.

Frequently Asked Questions (FAQ)

Q: Can P2103ACL or P2103ACLRP be used as direct replacements for P2103ACRP?

A: Yes. Both parts maintain identical electrical parameters (voltage ratings, current ratings, capacitance) and mechanical specifications (3-SIP package, TO-220 Modified configuration, through-hole mounting). They are functionally equivalent for circuit applications.

Q: What is the difference between P2103ACL and P2103ACLRP?

A: The primary difference is packaging format. P2103ACL is supplied in bulk packaging, while P2103ACLRP is supplied in Tape & Reel format. Both parts are electrically and mechanically identical. Tape & Reel packaging is optimized for automated assembly processes.

Q: Why is the P2103ACRP listed as obsolete?

A: The P2103ACRP has reached end-of-life status. The substitute parts P2103ACL and P2103ACLRP are active products that provide equivalent functionality and are recommended for new designs and ongoing production requirements.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both P2103ACL and P2103ACLRP are ROHS3 compliant. The original P2103ACRP is RoHS non-compliant. If RoHS compliance is required for your application, the substitute parts satisfy this requirement.

Q: Do the substitute parts have the same pin configuration and footprint?

A: Yes. All three parts use the 3-SIP package with TO-220 Modified supplier device package configuration. Pin configuration and PCB footprint are identical, enabling direct board-level substitution.