P3500ECRP2 Equivalent & Substitute Parts

Part Overview

The P3500ECRP2 is a 320V off-state, 400A peak pulse TVS thyristor manufactured by Littelfuse Inc. in the SIDACtor® series. This component is designed for transient voltage suppression applications requiring high current handling capability in a compact TO-226-2 package. The P3500ECRP2 is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations.

Substiute Parts

P3500ECRP2

Littelfuse Inc.In Stock: 855P3500ECRP2 Datasheet

Current PartRFQ

P3500ECLRP2

Littelfuse Inc.In Stock: 1190P3500ECLRP2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P3500ECRP2 is determined by electrical and mechanical parameter equivalence. The critical parameters defining substitutability are:

• Voltage ratings (breakover, off-state, and on-state)
• Current handling specifications (peak pulse at 8/20µs and 10/1000µs intervals, hold current)
• Capacitance characteristics
• Package type and mounting configuration
• Number of active elements

The P3500ECLRP2 qualifies as a direct substitute based on identical electrical specifications across all voltage and current parameters, matching capacitance, and equivalent package configuration. The primary distinction is packaging format (tape & reel versus individual) and product status (active versus obsolete).

Parameter Comparison

Engineering Selection Recommendations

The P3500ECLRP2 is the direct equivalent for the obsolete P3500ECRP2. Selection between these parts is determined by application requirements and supply chain considerations:

The P3500ECLRP2 is recommended for new designs and ongoing production due to active product status and ROHS3 compliance. This part maintains identical electrical performance and package compatibility while offering improved regulatory compliance and current availability.

The P3500ECRP2 remains suitable for legacy system maintenance where existing inventory is available and RoHS compliance is not a requirement. Transition to the P3500ECLRP2 is advisable for long-term supply security.

Frequently Asked Questions (FAQ)

Q: Can the P3500ECLRP2 replace the P3500ECRP2 in existing applications?

A: Yes. The P3500ECLRP2 provides identical electrical specifications and package compatibility. The primary differences are product status (active versus obsolete) and RoHS compliance level.

Q: What is the difference between the packaging formats?

A: The P3500ECRP2 is supplied as individual components, while the P3500ECLRP2 is supplied in tape & reel format. Both use the same TO-226-2 package with through-hole mounting. Tape & reel packaging is standard for production environments and offers handling efficiency.

Q: Are there any electrical performance differences between these parts?

A: No. Both parts share identical voltage ratings (320V off-state, 400V breakover, 4V on-state), current specifications (400A peak pulse at 8/20µs, 100A at 10/1000µs, 150mA hold current), and capacitance (65pF).

Q: What does RoHS3 compliance mean for the P3500ECLRP2?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting specific hazardous materials in electrical and electronic equipment. This is relevant for applications subject to EU regulations or equivalent standards.

Q: Is the P3500ECRP2 still available for purchase?

A: The P3500ECRP2 is classified as obsolete. The P3500ECLRP2 is the active equivalent with current manufacturing and distribution support.