ERZ-E07B201CS Equivalent & Substitute Parts

Part Overview

The ERZ-E07B201CS is a 200 V, 2.5 kA Transient Voltage Suppressor (TVS) varistor manufactured by Panasonic Electronic Components. This through-hole disc component (9mm) is designed for transient overvoltage protection in electronic circuits. The part is currently Active in product status with 767 units in stock. Equivalent substitute parts are identified when they maintain identical electrical specifications and mechanical compatibility, ensuring direct replacement capability without circuit redesign.

Substiute Parts

ERZ-E07B201CS

Panasonic Electronic ComponentsIn Stock: 786ERZ-E07B201CS Datasheet

Current PartRFQ

ERZ-E07A201

Panasonic Electronic ComponentsIn Stock: 2583ERZ-E07A201 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The ERZ-E07B201CS has one parametric equivalent: ERZ-E07A201. This substitute relationship is established based on strict electrical and mechanical parameter matching:

Substitution Criteria:

• Varistor voltage range (Min/Typ/Max): 185 V / 200 V / 225 V
• Surge current rating: 2.5 kA
• Maximum AC and DC voltage ratings: 130 V AC / 170 V DC
• Energy dissipation: 26 J
• Mounting configuration: Through Hole
• Physical package: Disc 9mm
• Operating temperature range: -40°C to 85°C
• Capacitance specification: 360 pF @ 1 kHz

Both parts belong to the ZNR® series and share the same base product number (ERZ-E07), confirming design compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both ERZ-E07B201CS and ERZ-E07A201 are Active products with full RoHS3 compliance and REACH unaffected status. Selection between these parts should be based on availability and supply chain requirements. The ERZ-E07A201 currently has higher inventory (2,563 units) compared to the ERZ-E07B201CS (767 units), making it suitable for high-volume applications where lead time and stock availability are considerations. Both parts carry identical electrical performance specifications and mechanical compatibility, ensuring interchangeability in circuit applications without modification.

Frequently Asked Questions (FAQ)

Q: Can ERZ-E07A201 directly replace ERZ-E07B201CS in existing designs? A: Yes. Both parts are parametric equivalents with identical electrical specifications (200 V varistor voltage, 2.5 kA surge current, 26 J energy) and mechanical configuration (Through Hole, Disc 9mm). No circuit redesign is required.

Q: What determines if a varistor is a suitable substitute? A: Substitution is valid when the following parameters match: varistor voltage range (Min/Typ/Max), surge current rating, maximum AC/DC voltage ratings, energy dissipation, mounting type, package dimensions, and operating temperature range.

Q: Are there any compliance differences between these parts? A: No. Both parts are RoHS3 compliant, REACH unaffected, and carry identical MSL (Moisture Sensitivity Level 1 - Unlimited) ratings.

Q: What is the significance of the 9mm disc package? A: The 9mm disc package is a through-hole form factor that determines PCB footprint and mounting hole spacing. Both substitute parts use this identical package, ensuring mechanical compatibility without PCB layout changes.

Q: How does capacitance affect varistor selection? A: Capacitance (360 pF @ 1 kHz for both parts) is a parasitic characteristic of the varistor structure. Matching capacitance values ensure consistent high-frequency transient response and circuit behavior.

Q: What is the operating temperature range significance? A: The -40°C to 85°C operating range defines the ambient conditions where the varistor maintains specified electrical performance. Both parts share this identical range, confirming thermal compatibility.