Equivalent & Substitute Parts for 0071.2781.T2

Part Overview

Manufacturer part number 0071.2781.T2 from SCHURTER Inc. is a 424 V, 10 kA varistor designed for transient voltage suppression in electrical circuits. This component provides overvoltage protection using a disc 20mm through hole package. The product is currently classified as Obsolete, making identification of substitute models necessary to maintain supply continuity and ensure safe circuit operation.

Key Parameters

Manufacturer Part Number	Maximum AC Volts	Maximum DC Volts	Varistor Voltage (Min)	Varistor Voltage (Typ)	Varistor Voltage (Max)	Current - Surge	Energy	Number of Circuits	Capacitance @ Frequency	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status	ECCN	HTSUS
0071.2781.T2	270 V	360 V	382 V	424 V	466 V	10 kA	325J	1	972 pF @ 1 kHz	-40°C ~ 85°C (TA)	Through Hole	Disc 20mm	ROHS3 Compliant	REACH Unaffected	EAR99	8533.40.4000

Substitute Part Grouping Explanation

Substitute selection is based exclusively on matching electrical and mechanical parameters provided for the product category. The following parameters determine equivalency: Maximum AC Volts, Varistor Voltage range (Min/Typ/Max), Current - Surge, Energy, Number of Circuits, Capacitance, Operating Temperature, Mounting Type, Package/Case, RoHS compliance, and REACH status. Substitute parts must meet or exceed the main part’s specifications in these critical criteria.

Parameter Comparison

Parameter	0071.2781.T2 (SCHURTER Inc.)	V275LA40CP (Littelfuse Inc.)
Maximum AC Volts	270 V	275 V
Varistor Voltage (Min)	382 V	387 V
Varistor Voltage (Typ)	424 V	430 V
Varistor Voltage (Max)	466 V	473 V
Current - Surge	10 kA	10 kA
Energy	325J	320J
Number of Circuits	1	1
Capacitance @ Frequency	972 pF @ 1 kHz	7000 pF @ 1 MHz
Operating Temperature	-40°C ~ 85°C (TA)	-55°C ~ 85°C (TA)
Mounting Type	Through Hole	Through Hole
Package / Case	Disc 20mm	Disc 20mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8533.40.4000	8533.40.4000

Engineering Selection Recommendations

Selection of V275LA40CP as a substitute for 0071.2781.T2 is based on comparable electrical and mechanical specifications, identical mounting and package style, and equivalent regulatory compliance, including ROHS3 and unaffected REACH status. The substitute part is currently Active, while the main part is Obsolete. Both parts satisfy the listed compliance certifications under ECCN EAR99 and HTSUS 8533.40.4000.

Frequently Asked Questions (FAQ)

Q: Which parameters must be matched for direct substitution?
A: Maximum AC Volts, Varistor Voltage range, Current - Surge, Energy ratings, Number of Circuits, Capacitance, Operating Temperature, Mounting Type, Package/Case dimensions, and regulatory compliance (RoHS, REACH) are required for compatibility.

Q: Is the package size and type identical between 0071.2781.T2 and V275LA40CP?
A: Both parts use the Disc 20mm through hole package, supporting direct mechanical interchange.

Q: Does capacitance variation affect substitution?
A: Capacitance values are supplied for both models; compatibility depends on circuit tolerance for the difference in specified capacitance and frequency.

Q: What compliance standards are satisfied by these parts?
A: Both components are ROHS3 Compliant, REACH Unaffected, and fall under ECCN EAR99 and HTSUS 8533.40.4000 classifications.

Q: Why is substitution necessary for 0071.2781.T2?
A: The main part is Obsolete, requiring selection of an active substitute to maintain inventory and ensure continued circuit protection.

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