ERZ-E10B201CS Equivalent & Substitute Parts

Part Overview

The ERZ-E10B201CS is a 200 V, 4.5 kA Panasonic ZNR® varistor designed for transient voltage suppression applications. This through-hole disc component (11.5mm) provides single-circuit protection with 47 J energy absorption capability. The part is currently active in production with full inventory availability. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product series, ensuring direct functional interchangeability in circuit designs.

Substiute Parts

ERZ-E10B201CS

Panasonic Electronic ComponentsIn Stock: 1026ERZ-E10B201CS Datasheet

Current PartRFQ

ERZ-E10A201

Panasonic Electronic ComponentsIn Stock: 4096ERZ-E10A201 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERZ-E10B201CS is determined by strict equivalence across the following critical parameters:

• Varistor voltage rating (185 V minimum to 225 V maximum range)
• Surge current capacity (4.5 kA)
• Energy absorption (47 J)
• Mounting configuration (through-hole)
• Physical package (disc 11.5mm)
• Number of circuits (single circuit)
• Operating temperature range (-40°C to 85°C)

The ERZ-E10A201 meets all substitution criteria as a parametric equivalent within the Panasonic ZNR® series, maintaining identical electrical performance and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the ERZ-E10B201CS and ERZ-E10A201 are active production components with full regulatory compliance. Selection between these parts should be based on inventory availability and procurement lead times. The ERZ-E10A201 currently maintains higher stock levels (3992 pcs vs. 938 pcs), which may influence supply chain decisions. Both parts carry identical RoHS3 compliance and REACH unaffected status, ensuring equivalent environmental and regulatory standing. No technical differentiation exists between these components for circuit design purposes.

Frequently Asked Questions (FAQ)

Q: Can ERZ-E10A201 be used as a direct replacement for ERZ-E10B201CS?

A: Yes. The ERZ-E10A201 is a parametric equivalent with identical electrical specifications, surge current rating, energy absorption, and physical package dimensions. Direct substitution is permissible in all applications.

Q: What determines if a varistor can substitute for the ERZ-E10B201CS?

A: Substitution requires matching varistor voltage range (185 V to 225 V typical 200 V), surge current capacity (4.5 kA), energy rating (47 J), through-hole mounting configuration, disc 11.5mm package, and operating temperature range (-40°C to 85°C).

Q: Are there any compliance differences between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 1 - Unlimited). Regulatory and environmental standing is equivalent.

Q: Does the disc 11.5mm package dimension apply to both parts?

A: Yes. Both the ERZ-E10B201CS and ERZ-E10A201 use identical through-hole disc packaging with 11.5mm dimensions, ensuring mechanical compatibility in PCB layouts.

Q: What is the capacitance specification for these varistors?

A: Both parts measure 630 pF at 1 kHz operating frequency, providing identical capacitive characteristics for circuit analysis.