Equivalent & Substitute Parts for ERZ-E11B511CS

Part Overview

The ERZ-E11B511CS by Panasonic Electronic Components is a varistor designed for surge protection applications. It features a varistor voltage of 510 V (typical), an energy rating of 190J, and supports up to 6 kA current surge in a single through-hole disc package of 13mm diameter. The part is currently classified as "Active," but finding alternatives is necessary for design flexibility, inventory management, and future-proofing against potential procurement or production constraints.

Substiute Parts

ERZ-E11B511CS

Panasonic Electronic ComponentsIn Stock: 747ERZ-E11B511CS Datasheet

Current PartRFQ

ERZ-E11A511

Panasonic Electronic ComponentsIn Stock: 1835ERZ-E11A511 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are grouped strictly based on matching electrical and mechanical parameters. The parameters required for equivalence in the varistor category are: Maximum AC Volts, Maximum DC Volts, Varistor Voltage (Min, Typ, Max), Current - Surge, Energy, Number of Circuits, Capacitance @ Frequency, Operating Temperature, Mounting Type, and Package / Case. Compliance aspects such as RoHS and REACH status are also matched to ensure substitution suitability in regulated applications.

Parameter Comparison

Engineering Selection Recommendations

Both ERZ-E11B511CS and ERZ-E11A511 are listed as Active, ROHS3 Compliant, and REACH Unaffected. These compliance statuses satisfy global environmental and material regulation requirements. Either part may be selected where regulatory conformity and active status are required for procurement and assembly processes.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for varistor substitution in this category?
A1: The critical parameters are Maximum AC Volts, Maximum DC Volts, Varistor Voltage range (Min, Typ, Max), Current - Surge, Energy rating, Number of Circuits, Capacitance at 1 kHz, Operating Temperature, Mounting Type, Package / Case, and compliance statuses (RoHS, REACH).

Q2: Is ERZ-E11A511 fully compatible as a substitute for ERZ-E11B511CS?
A2: Yes, ERZ-E11A511 matches all key electrical, mechanical, and compliance parameters as provided and is suitable as a substitute in applications requiring identical specifications.

Q3: Do both varistors have the same mounting type and package size?
A3: Both ERZ-E11B511CS and ERZ-E11A511 feature through-hole mounting and a disc 13mm package.

Q4: Are there differences in environmental compliance between the main part and the substitute?
A4: Both parts are ROHS3 Compliant and REACH Unaffected, supporting use in applications with strict environmental compliance requirements.

Q5: Can the substitute be used in existing PCB designs without modification?
A5: Yes, ERZ-E11A511 shares the same through-hole Disc 13mm package specification as ERZ-E11B511CS, ensuring mechanical compatibility.