V10E550AUTO2T Equivalent & Substitute Parts

Part Overview

The V10E550AUTO2T is a 910 V, 4.6 kA disc varistor manufactured by Littelfuse Inc. in the AUMOV™ series. This transient voltage suppressor is designed for automotive applications and is currently in active production status. The component provides transient overvoltage protection in through-hole configurations with a 10mm disc package. Finding equivalent substitute parts may be necessary due to supply chain constraints, inventory availability, or specific packaging requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

V10E550AUTO2T

Littelfuse Inc.In Stock: 1079V10E550AUTO2T Datasheet

Current PartRFQ

V10P550AUTO

LittelfuseIn Stock: 893V10P550AUTO Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the V10E550AUTO2T is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part V10P550AUTO qualifies as a parametric equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Varistor voltage range: 819 V (Min) to 1.001 kV (Max), with 910 V typical
• Surge current rating: 4.6 kA
• Maximum AC voltage: 550 V
• Maximum DC voltage: 745 V
• Energy dissipation: 98 J
• Capacitance: 100 pF @ 1 MHz
• Operating temperature: -40°C to 85°C

Mechanical Parameters (Must Match Exactly):

• Mounting type: Through Hole
• Package form: Disc 10mm
• Number of circuits: 1

Compliance & Certification (Must Match):

• Automotive grade qualification
• AEC-Q200 certification
• ROHS3 compliance
• Series: AUMOV™

The only permitted variation between the main part and substitute is packaging format (Tape & Reel versus Bulk), which does not affect electrical or mechanical performance.

Parameter Comparison

Engineering Selection Recommendations

Both V10E550AUTO2T and V10P550AUTO are active production components from Littelfuse Inc. with identical electrical specifications and automotive-grade qualifications. Selection between these parts should be based on packaging and supply requirements:

V10E550AUTO2T is supplied in Tape & Reel format, suitable for automated assembly processes and high-volume production environments.

V10P550AUTO is supplied in Bulk packaging, suitable for manual assembly, kit builds, or applications where reel packaging is not required.

Both parts maintain AEC-Q200 certification and ROHS3 compliance, ensuring compatibility with automotive electrical systems and regulatory requirements. The choice between these equivalents does not affect circuit performance, reliability, or compliance status.

Frequently Asked Questions (FAQ)

Q: Can V10P550AUTO be used as a direct replacement for V10E550AUTO2T in production assembly?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format. If your assembly process accommodates bulk packaging, V10P550AUTO is a direct substitute. If your process requires tape and reel format, V10E550AUTO2T is the appropriate choice.

Q: Are there any electrical performance differences between these two part numbers?

A: No. Both parts have identical varistor voltage (910 V typical), surge current rating (4.6 kA), energy dissipation (98 J), and all other electrical parameters. Performance in circuit is equivalent.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both V10E550AUTO2T and V10P550AUTO carry AEC-Q200 certification and automotive-grade designation, meeting automotive industry standards.

Q: What is the significance of the packaging difference between Tape & Reel and Bulk?

A: Tape & Reel packaging is optimized for automated pick-and-place assembly equipment. Bulk packaging is used for manual assembly, component kits, or applications where reel format is not compatible with assembly processes. Electrical and mechanical performance is identical.

Q: Can these parts be interchanged in existing designs without circuit modification?

A: Yes. The identical electrical specifications, mechanical dimensions, and through-hole mounting configuration allow direct interchange without any circuit design changes.

Q: Are both parts currently available for new designs?

A: Yes. Both V10E550AUTO2T and V10P550AUTO are in active production status, suitable for new design implementations.