VCAS120631M650RP Equivalent & Substitute Parts

Part Overview

The VCAS120631M650RP is a 39 V 200 A varistor manufactured by KYOCERA AVX in the FLEXITERM® series. This transient voltage suppressor is designed for surface mount applications in the 1206 (3216 Metric) package format. The component is actively produced and maintains AEC-Q200 automotive qualification with ROHS3 compliance. Substitute parts are identified based on identical electrical performance parameters and mechanical compatibility within the same package class.

Key Parameters

Parameter	Value
Varistor Voltage (Typical)	39 V
Current - Surge	200 A
Maximum AC Volts	25 V
Maximum DC Volts	31 V
Energy	1 J
Number of Circuits	1
Capacitance @ 1 kHz	500 pF
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCV
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the VCAS120631M650RP are qualified based on the following criteria:

Electrical Parameter Equivalence:

Varistor voltage range: 35.1 V (Min) to 42.9 V (Max), with 39 V typical
Surge current capacity: 200 A
Maximum AC voltage: 25 V
Maximum DC voltage: 31 V
Energy dissipation: 1 J
Single circuit configuration
Capacitance: 500 pF @ 1 kHz

Mechanical Compatibility:

Package format: 1206 (3216 Metric)
Mounting type: Surface Mount, MLCV
Moisture sensitivity level: 1 (Unlimited)

Compliance & Status:

Product status: Active
RoHS compliance: ROHS3
REACH status: REACH Unaffected
Operating temperature: -55°C to 125°C

Substitute parts differ only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) or series designation, with all electrical and mechanical specifications remaining identical.

Parameter Comparison

Parameter	VCAS120631M650RP	VC120631M650DP	VC120631M650RP	VCAS120631M650DP
Manufacturer	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX
Varistor Voltage (Typ)	39 V	39 V	39 V	39 V
Current - Surge	200 A	200 A	200 A	200 A
Maximum AC Volts	25 V	25 V	25 V	25 V
Maximum DC Volts	31 V	31 V	31 V	31 V
Energy	1 J	1 J	1 J	1 J
Number of Circuits	1	1	1	1
Capacitance @ 1 kHz	500 pF	500 pF	500 pF	500 pF
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Package / Case	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCV	Surface Mount, MLCV	Surface Mount, MLCV	Surface Mount, MLCV
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain identical electrical specifications and mechanical compatibility with the VCAS120631M650RP. Selection between equivalent parts is determined by packaging and supply chain requirements:

VCAS120631M650RP (Original): Tape & Reel packaging. Suitable for high-volume automated assembly operations.

VC120631M650DP: Tape & Reel packaging. Identical to original part with alternative series designation. Supports high-volume production workflows.

VC120631M650RP: Cut Tape & Digi-Reel® packaging. Appropriate for lower-volume applications or mixed component sourcing scenarios.

VCAS120631M650DP: Tape & Reel packaging. Functionally equivalent with alternative series designation.

All parts maintain AEC-Q200 automotive qualification, ROHS3 compliance, and REACH unaffected status. Operating temperature range, moisture sensitivity level, and electrical performance parameters are identical across all variants. Component selection should be based on packaging availability, inventory levels, and procurement logistics rather than electrical or mechanical considerations.

Frequently Asked Questions (FAQ)

Q: Can VC120631M650DP be used as a direct replacement for VCAS120631M650RP?

A: Yes. Both parts share identical electrical parameters (39 V typical varistor voltage, 200 A surge current, 1 J energy), mechanical specifications (1206 package, surface mount MLCV), and compliance certifications (ROHS3, AEC-Q200). The difference is packaging format and series designation only.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging?

A: Tape & Reel packaging is continuous reel format suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel® provides individual tape segments with reel options, accommodating lower-volume or mixed-component assembly scenarios. Electrical and mechanical performance are identical.

Q: Are all substitute parts qualified for automotive applications?

A: Yes. All listed parts maintain AEC-Q200 automotive qualification and ROHS3 compliance. Operating temperature range (-55°C to 125°C) and moisture sensitivity level (MSL 1) are identical across all variants.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes, provided the PCB design accommodates the 1206 (3216 Metric) package format and surface mount MLCV mounting type. All substitute parts are mechanically and electrically compatible with designs specified for the VCAS120631M650RP.

Q: What determines whether a part is a valid substitute?

A: Valid substitutes must match the following parameters: varistor voltage range (35.1 V to 42.9 V), surge current (200 A), maximum AC/DC voltage ratings, energy dissipation (1 J), package format (1206), mounting type (surface mount MLCV), and compliance certifications (ROHS3, AEC-Q200).

Q: Is there a performance difference between parts with different series designations (FLEXITERM® versus TransGuard®)?

A: No. Series designation differences do not affect electrical performance or mechanical compatibility. All listed parts deliver identical varistor voltage, surge current capacity, and operating characteristics.

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