SCHURTER 0070.1411.T2 Equivalent & Substitute Parts

Part Overview

The SCHURTER 0070.1411.T2 is a 22V 250A varistor in a through-hole disc 5mm package, designed for transient voltage suppression applications. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing procurement and system maintenance. The varistor provides single-circuit protection with a nominal voltage rating of 22V and surge current capacity of 250A, suitable for industrial and electronic equipment protection circuits.

Key Parameters

Parameter	Value
Varistor Voltage (Typical)	22 V
Current - Surge	250 A
Maximum AC Volts	14 V
Maximum DC Volts	18 V
Energy	0.7 J
Number of Circuits	1
Operating Temperature Range	-40°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Disc 5mm
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SCHURTER 0070.1411.T2 is determined by the following critical parameters:

Varistor Voltage Rating: Nominal voltage must be 22V (within 20V–24V range)
Surge Current Capacity: Minimum 250A required
Energy Dissipation: 0.7J minimum
Number of Circuits: Single circuit (1 circuit)
Mounting Configuration: Through-hole technology
Regulatory Compliance: ROHS3 compliance required

The Panasonic ERZ-V05D220 meets all substitution criteria. While the package geometry differs (7mm disc versus 5mm disc), both maintain electrical equivalence across voltage, current, and energy parameters. The substitute part is active in production, ensuring long-term availability.

Parameter Comparison

Parameter	SCHURTER 0070.1411.T2	Panasonic ERZ-V05D220	Match Status
Varistor Voltage (Min)	20 V	20 V	Equivalent
Varistor Voltage (Typ)	22 V	22 V	Equivalent
Varistor Voltage (Max)	24 V	24 V	Equivalent
Current - Surge	250 A	250 A	Equivalent
Energy	0.7 J	0.7 J	Equivalent
Maximum AC Volts	14 V	14 V	Equivalent
Maximum DC Volts	18 V	18 V	Equivalent
Number of Circuits	1	1	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	Disc 5mm	Disc 7mm	Different
Operating Temperature Range	-40°C ~ 125°C	-40°C ~ 85°C	Substitute Limited
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Obsolete	Active	Substitute Active

Engineering Selection Recommendations

The Panasonic ERZ-V05D220 is a direct electrical equivalent to the SCHURTER 0070.1411.T2 across all critical voltage, current, and energy parameters. Both parts maintain ROHS3 compliance and EAR99 export classification.

Key Considerations:

The substitute part is currently in active production status, ensuring procurement availability and supply chain continuity.
Package geometry differs (7mm disc versus 5mm disc). PCB layout verification is required to confirm mechanical fit within existing mounting holes and clearance constraints.
The substitute part has a reduced maximum operating temperature range (-40°C to 85°C versus -40°C to 125°C). Applications requiring operation above 85°C must retain the original SCHURTER part or identify alternative solutions.
Capacitance values differ slightly (1500 pF versus 2000 pF at 1 kHz), which may affect high-frequency circuit behavior in sensitive applications.

Frequently Asked Questions (FAQ)

Q: Can the Panasonic ERZ-V05D220 be used as a direct replacement for the SCHURTER 0070.1411.T2?

A: Yes, electrically. The varistor voltage, surge current, energy dissipation, and circuit configuration are identical. However, the package size differs (7mm versus 5mm disc), requiring PCB layout verification before implementation.

Q: What is the impact of the different package sizes?

A: The 7mm disc package of the substitute part is larger than the 5mm disc of the original. Verify that the PCB mounting holes accommodate the larger diameter and that surrounding component placement allows sufficient clearance.

Q: Are there temperature limitations with the substitute part?

A: Yes. The Panasonic ERZ-V05D220 operates to a maximum of 85°C, while the SCHURTER part operates to 125°C. If your application requires sustained operation above 85°C, the original part or an alternative solution must be used.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes.

Q: Why does the capacitance differ between the two parts?

A: The substitute part has 1500 pF capacitance at 1 kHz compared to 2000 pF for the original. This difference may affect circuit behavior in applications sensitive to high-frequency transients or where capacitive coupling is a design factor.

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