ERZ-V10V511CS Equivalent & Substitute Parts

Part Overview

The ERZ-V10V511CS is a 510 V, 3.5 kA disc varistor manufactured by Panasonic Electronic Components within the ZNR® series. This transient voltage suppressor is designed for through-hole mounting applications requiring single-circuit overvoltage protection. The part is currently active in production with 761 units in stock. Equivalent substitute parts are identified to provide procurement flexibility, extended availability, and alternative sourcing options while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Varistor Voltage (Typical)	510	V
Varistor Voltage Range	459 – 561	V
Current - Surge	3.5	kA
Maximum AC Voltage	320	V
Maximum DC Voltage	410	V
Energy Absorption	92	J
Capacitance @ 1 kHz	210	pF
Operating Temperature Range	-40 to +85	°C
Number of Circuits	1	—
Mounting Type	Through Hole	—
Package / Case	Disc 10mm	—

Substitute Part Grouping Explanation

Substitution of the ERZ-V10V511CS is determined by strict equivalence across the following critical parameters:

Varistor Voltage (Typical): 510 V nominal specification
Varistor Voltage Range: 459 V minimum to 561 V maximum
Current - Surge Rating: 3.5 kA
Maximum AC Voltage: 320 V
Maximum DC Voltage: 410 V
Energy Absorption: 92 J
Capacitance @ 1 kHz: 210 pF
Operating Temperature Range: -40°C to +85°C
Number of Circuits: Single circuit (1)
Mounting Type: Through Hole
Package / Case: Disc 10mm form factor

Parts meeting all of these specifications are classified as parametric equivalents and direct substitutes. The ERZ-V10D511 satisfies all substitution criteria and is listed as an equivalent part.

Parameter Comparison

Parameter	ERZ-V10V511CS	ERZ-V10D511	Match
Manufacturer	Panasonic Electronic Components	Panasonic Electronic Components	✓
Series	ZNR®	ZNR®	✓
Varistor Voltage (Typ)	510 V	510 V	✓
Varistor Voltage (Min)	459 V	459 V	✓
Varistor Voltage (Max)	561 V	561 V	✓
Current - Surge	3.5 kA	3.5 kA	✓
Maximum AC Volts	320 V	320 V	✓
Maximum DC Volts	410 V	410 V	✓
Energy	92 J	92 J	✓
Number of Circuits	1	1	✓
Capacitance @ 1 kHz	210 pF	210 pF	✓
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	✓
Mounting Type	Through Hole	Through Hole	✓
Package / Case	Disc 10mm	Disc 10mm	✓
Base Product Number	ERZ-V10	ERZ-V10	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
ECCN	EAR99	EAR99	✓
HTSUS	8533.40.4000	8533.40.4000	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the ERZ-V10V511CS and ERZ-V10D511 are active production parts manufactured by Panasonic Electronic Components and carry identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and procurement lead time.

The ERZ-V10V511CS currently maintains 761 units in stock, while the ERZ-V10D511 has 3,527 units available. Both parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8533.40.4000. Both are rated for operating temperatures from -40°C to +85°C and are suitable for through-hole mounting in disc 10mm form factor applications.

The ERZ-V10D511 offers extended inventory availability for high-volume procurement requirements or extended lead-time mitigation strategies. The ERZ-V10V511CS remains a valid selection for standard production quantities.

Frequently Asked Questions (FAQ)

Q: Can the ERZ-V10D511 be used as a direct replacement for the ERZ-V10V511CS?

A: Yes. The ERZ-V10D511 is a parametric equivalent with identical electrical specifications, including 510 V nominal varistor voltage, 3.5 kA surge current rating, 92 J energy absorption, and 210 pF capacitance at 1 kHz. Both parts share the same through-hole mounting type and disc 10mm package form factor. No circuit redesign or board layout modification is required.

Q: Are there differences in compliance or regulatory status between these parts?

A: No. Both parts carry identical compliance certifications: ROHS3 compliant, REACH unaffected, EAR99 export classification, and HTSUS code 8533.40.4000. Both are active production parts with no known end-of-life status.

Q: What is the significance of the part number suffix difference (V511CS versus D511)?

A: The suffix variation indicates different packaging or distribution channels within Panasonic's product line, but does not reflect differences in electrical performance or mechanical specifications. Both parts are manufactured to the same ZNR® series standards and meet identical parametric requirements.

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes. Both parts are through-hole mounted in identical disc 10mm packages with matching lead spacing and footprint geometry. No PCB redesign is necessary for substitution.

Q: What is the operating temperature range for both parts?

A: Both the ERZ-V10V511CS and ERZ-V10D511 operate across the temperature range of -40°C to +85°C (TA). This specification applies to all electrical parameters and performance ratings.

Q: Are there any moisture sensitivity considerations for these parts?

A: The ERZ-V10V511CS carries a Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. The ERZ-V10D511 lists MSL as Not Applicable, which is consistent with varistor component classification and indicates no special moisture handling requirements for either part.

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