VCAS060318A400TP Equivalent & Substitute Parts

Part Overview

The VCAS060318A400TP is a 25.5 V 30 A Varistor manufactured by KYOCERA AVX in the FLEXITERM® series. This transient voltage suppressor (TVS) operates as a single-circuit surface mount component in the 0603 (1608 Metric) package form factor. The part maintains active product status with automotive-grade qualification (AEC-Q200) and full ROHS3 compliance. Substitute components are identified when equivalent electrical and mechanical specifications can satisfy the same circuit protection requirements across different packaging and distribution formats.

Key Parameters

Parameter	Specification
Manufacturer	KYOCERA AVX
Category	Transient Voltage Suppressors (TVS)
Varistor Voltage (Typical)	25.5 V
Current - Surge	30 A
Maximum AC Volts	13 V
Maximum DC Volts	18 V
Energy	0.1 J
Operating Temperature Range	-55°C to 125°C
Mounting Type	Surface Mount, MLCV
Package / Case	0603 (1608 Metric)
Number of Circuits	1
Capacitance @ 1 kHz	150 pF
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Grade	Automotive
Qualification	AEC-Q200

Substitute Part Grouping Explanation

Substitute components for the VCAS060318A400TP are qualified based on the following electrical and mechanical parameter equivalence:

Critical Parameters for Substitution:

Varistor Voltage (Typical): 25.5 V with tolerance range 22.95 V to 28.05 V
Current - Surge Rating: 30 A
Maximum AC Volts: 13 V
Maximum DC Volts: 18 V
Energy Absorption: 0.1 J
Operating Temperature Range: -55°C to 125°C
Package / Case: 0603 (1608 Metric)
Mounting Type: Surface Mount, MLCV
Number of Circuits: 1
Capacitance @ 1 kHz: 150 pF

All identified substitute parts maintain identical electrical performance specifications and mechanical form factors. Differences are limited to manufacturing series designation (TransGuard® or FLEXITERM®), packaging format (Tape & Reel or Cut Tape & Digi-Reel®), and inventory availability. These variations do not affect functional equivalence in circuit protection applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Varistor Voltage (Typ)	Current - Surge	Max AC Volts	Max DC Volts	Energy	Temp Range	Package	Packaging Format	Inventory (Pcs)
VCAS060318A400TP	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Tape & Reel (TR)	891
VC060318A400DP	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Tape & Reel (TR)	13462
VC060318A400RP	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Tape & Reel (TR)	4300
VCAS060318A400DP	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Tape & Reel (TR)	2960
VCAS060318A400DZ	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Tape & Reel (TR)	4740
VCAS060318A400RP	KYOCERA AVX	25.5 V	30 A	13 V	18 V	0.1 J	-55°C to 125°C	0603 (1608 Metric)	Cut Tape (CT) & Digi-Reel®	125400

Engineering Selection Recommendations

All substitute parts maintain active product status with identical compliance certifications. The VCAS060318A400TP, VCAS060318A400DZ, and VCAS060318A400DP variants are qualified to automotive grade (AEC-Q200) specification. All parts listed are ROHS3 compliant with REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity rating.

Part selection should be based on packaging format availability and inventory requirements. Cut Tape & Digi-Reel® format (VCAS060318A400RP) offers the highest inventory availability at 125,400 units. Tape & Reel format parts are suitable for automated assembly processes requiring continuous feeding. Automotive-qualified variants (VCAS060318A400TP, VCAS060318A400DZ, VCAS060318A400DP) are specified for applications requiring AEC-Q200 certification.

Frequently Asked Questions (FAQ)

Q: Are all listed parts electrically equivalent to the VCAS060318A400TP?

A: Yes. All substitute parts share identical varistor voltage (25.5 V typical), surge current rating (30 A), maximum voltage ratings (13 V AC / 18 V DC), energy absorption (0.1 J), operating temperature range (-55°C to 125°C), and capacitance (150 pF @ 1 kHz). They function identically in circuit protection applications.

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

A: Tape & Reel format supports continuous automated assembly on high-speed pick-and-place equipment. Cut Tape & Digi-Reel® format is supplied in individual tape segments and loose reels, suitable for lower-volume production or manual assembly operations. Both formats deliver the same component with no functional difference.

Q: Are automotive applications compatible with all listed parts?

A: The variants VCAS060318A400TP, VCAS060318A400DZ, and VCAS060318A400DP carry automotive-grade designation with AEC-Q200 qualification. The remaining parts (VC060318A400DP, VC060318A400RP, VCAS060318A400RP) are active products with automotive compliance but may lack specific AEC-Q200 qualification documentation. Applications requiring explicit AEC-Q200 certification should reference automotive-qualified variants.

Q: Does the series designation (TransGuard® vs. FLEXITERM®) affect substitutability?

A: No. Series designation represents product line branding within the KYOCERA AVX portfolio but does not affect electrical or mechanical performance. Both TransGuard® and FLEXITERM® series components with identical varistor voltage and surge ratings perform equivalently.

Q: What is the significance of part number suffixes (TP, DP, RP, DZ)?

A: Suffixes encode packaging format and distribution options. "TP" and "DZ" indicate Tape & Reel format with specific supplier configurations. "DP" and "RP" variants similarly specify packaging and reel options. The core electrical specifications remain constant across all suffix variations for parts with matching voltage and current ratings.

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