VC1206M151R004 Equivalent & Substitute Parts

Part Overview

The VC1206M151R004 is an 8 V, 150 A varistor manufactured by KEMET in the 1206 (3216 Metric) surface mount package. This component functions as a transient voltage suppressor for single-circuit applications, designed to protect electronic systems from voltage transients and surge events. The part carries AEC-Q200 automotive qualification and ROHS3 compliance.

The VC1206M151R004 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

VC1206M151R004

KEMETIn Stock: 966VC1206M151R004 Datasheet

Current PartRFQ

B72520T0040M062

EPCOS - TDK ElectronicsIn Stock: 8641B72520T0040M062 Datasheet

SimilarRFQ

V5.5MLA1206NHAUTO

Littelfuse Inc.In Stock: 1213V5.5MLA1206NHAUTO Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VC1206M151R004 are identified based on strict electrical and mechanical parameter alignment within the transient voltage suppressor category. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Package / Case: 1206 (3216 Metric) surface mount form factor
• Mounting Type: Surface Mount configuration
• Maximum DC Volts: 5.5 V
• Current - Surge: 150 A
• Number of Circuits: 1
• Varistor Voltage (Typ): 8 V nominal range (6.4 V to 9.6 V acceptable range)
• RoHS Status: ROHS3 Compliant

Both identified substitute parts meet these core electrical and mechanical requirements, ensuring functional compatibility within the same application envelope.

Parameter Comparison

Engineering Selection Recommendations

B72520T0040M062 (EPCOS - TDK Electronics)

This substitute part is currently in active production status with 8,595 units in stock. It matches the VC1206M151R004 across all critical electrical parameters: 8 V typical varistor voltage, 150 A surge current, 0.3 J energy rating, and 5.5 V maximum DC voltage. The component maintains identical package geometry (1206 / 3216 Metric) and surface mount configuration. ROHS3 compliance and REACH unaffected status align with regulatory requirements. The B72520T0040M062 is suitable for direct substitution in applications where the original KEMET part is no longer available.

V5.5MLA1206NHAUTO (Littelfuse Inc.)

This substitute part is currently in active production status with 1,112 units in stock. It carries AEC-Q200 automotive qualification, matching the original part's automotive-grade specification. The component operates within the same voltage and current parameters: 8.2 V typical varistor voltage (within the 6.4 V to 9.6 V acceptable range), 150 A surge current, and 5.5 V maximum DC voltage. The package and mounting type are identical to the original part. The V5.5MLA1206NHAUTO provides 0.4 J energy rating, slightly higher than the original 0.3 J specification. ROHS3 compliance and REACH unaffected status are maintained. This part is suitable for automotive applications requiring AEC-Q200 qualification.

Frequently Asked Questions (FAQ)

Q: Can the B72520T0040M062 and V5.5MLA1206NHAUTO be used interchangeably with the VC1206M151R004?

A: Both parts meet the core electrical and mechanical requirements for substitution. The B72520T0040M062 provides identical electrical performance. The V5.5MLA1206NHAUTO offers slightly higher energy rating (0.4 J versus 0.3 J) and automotive-grade qualification. Selection depends on application requirements and supply chain availability.

Q: What is the significance of the varistor voltage tolerance range?

A: The VC1206M151R004 specifies a typical varistor voltage of 8 V with a range of 6.4 V (minimum) to 9.6 V (maximum). Both substitute parts operate within this range. The V5.5MLA1206NHAUTO has a slightly higher typical value of 8.2 V with a range of 7.1 V to 9.3 V, which remains compatible with the original application envelope.

Q: Are there packaging differences between the substitute parts?

A: All three parts use the 1206 (3216 Metric) surface mount package. The VC1206M151R004 and V5.5MLA1206NHAUTO specify MLCV mounting type, while the B72520T0040M062 specifies standard surface mount configuration. All are compatible with standard PCB assembly processes for 1206 components.

Q: Does the higher energy rating of the V5.5MLA1206NHAUTO affect compatibility?

A: The V5.5MLA1206NHAUTO provides 0.4 J energy rating compared to the original 0.3 J specification. Higher energy rating indicates enhanced transient suppression capability and does not create compatibility issues. This characteristic may provide additional margin in surge protection applications.

Q: Which substitute part should be selected for automotive applications?

A: The V5.5MLA1206NHAUTO carries AEC-Q200 automotive qualification, matching the original part's automotive-grade specification. This part is the preferred choice for applications requiring automotive-grade components and compliance documentation.

Q: What is the current inventory status for each substitute part?

A: The B72520T0040M062 has 8,595 units in stock. The V5.5MLA1206NHAUTO has 1,112 units in stock. Both parts are available as new original components from active production.