VCAS080514A300RP Equivalent & Substitute Parts

Part Overview

The VCAS080514A300RP is a TransGuard® series transient voltage suppressor (TVS) varistor manufactured by KYOCERA AVX. This surface mount component is designed for transient overvoltage protection in electronic circuits. The part is classified as an 18.5 V, 40 A varistor in a 0805 (2012 Metric) package configuration. The VCAS080514A300RP maintains Active product status and is AEC-Q200 qualified for automotive applications. Equivalent and substitute parts are identified based on identical electrical performance parameters and mechanical compatibility within the TransGuard® series.

Key Parameters

Parameter	Value	Unit
Varistor Voltage (Typical)	18.5	V
Varistor Voltage (Minimum)	16.28	V
Varistor Voltage (Maximum)	20.72	V
Current - Surge	40	A
Maximum AC Volts	10	V
Maximum DC Volts	14	V
Energy	0.1	J
Capacitance @ 1 kHz	325	pF
Operating Temperature Range	-55 to 125	°C
Number of Circuits	1	—
Package / Case	0805 (2012 Metric)	—
Mounting Type	Surface Mount, MLCV	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—
AEC-Q200 Qualification	Yes	—

Substitute Part Grouping Explanation

Substitute parts for the VCAS080514A300RP are identified as parametric equivalents within the KYOCERA AVX TransGuard® series. Substitution is valid when all of the following criteria are met:

Critical Substitution Parameters:

Varistor Voltage (Typical): 18.5 V
Varistor Voltage Range: 16.28 V (Min) to 20.72 V (Max)
Current - Surge: 40 A
Maximum AC Volts: 10 V
Maximum DC Volts: 14 V
Energy: 0.1 J
Capacitance @ 1 kHz: 325 pF
Operating Temperature Range: -55°C to 125°C
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCV
Number of Circuits: 1
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

The substitute parts identified below meet all electrical and mechanical parameters. Differences exist only in packaging designation (Tape & Reel variants) and inventory availability.

Parameter Comparison

Parameter	VCAS080514A300RP	VC080514A300RP	VC080514A300DP	VCAS080514A300DP
Manufacturer	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX
Series	TransGuard®	TransGuard®	TransGuard®	TransGuard®
Varistor Voltage (Typ)	18.5 V	18.5 V	18.5 V	18.5 V
Varistor Voltage (Min)	16.28 V	16.28 V	16.28 V	16.28 V
Varistor Voltage (Max)	20.72 V	20.72 V	20.72 V	20.72 V
Current - Surge	40 A	40 A	40 A	40 A
Maximum AC Volts	10 V	10 V	10 V	10 V
Maximum DC Volts	14 V	14 V	14 V	14 V
Energy	0.1 J	0.1 J	0.1 J	0.1 J
Capacitance @ 1 kHz	325 pF	325 pF	325 pF	325 pF
Operating Temperature	-55 to 125°C	-55 to 125°C	-55 to 125°C	-55 to 125°C
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCV	Surface Mount, MLCV	Surface Mount, MLCV	Surface Mount, MLCV
Number of Circuits	1	1	1	1
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
AEC-Q200 Qualification	Yes	Yes	Yes	Yes
Inventory (Pcs)	703	17745	2200	1625

Engineering Selection Recommendations

All identified substitute parts—VC080514A300RP, VC080514A300DP, and VCAS080514A300DP—are direct parametric equivalents to the VCAS080514A300RP. Each part maintains identical electrical specifications, mechanical dimensions, and compliance certifications.

Selection Basis:

All substitute parts carry Active product status and AEC-Q200 automotive qualification, confirming ongoing manufacturer support and reliability for automotive-grade applications. ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating are consistent across all variants, ensuring compatibility with standard manufacturing and storage processes.

The differences between part numbers reflect packaging designation variants within the TransGuard® series. The suffix designations (RP, DP) indicate different tape and reel configurations or distribution channels, but do not affect electrical performance or mechanical fit.

Inventory Availability:

VC080514A300RP offers the highest inventory level at 17,745 pieces, followed by VC080514A300DP at 2,200 pieces and VCAS080514A300DP at 1,625 pieces. The original part VCAS080514A300RP maintains 703 pieces in stock.

Frequently Asked Questions (FAQ)

Q: Are all substitute parts electrically identical to the VCAS080514A300RP?

A: Yes. All substitute parts share identical varistor voltage specifications (18.5 V typical, 16.28 V to 20.72 V range), surge current rating (40 A), maximum AC/DC voltage ratings, energy absorption (0.1 J), and capacitance characteristics (325 pF @ 1 kHz). Operating temperature range, package dimensions, and mounting type are also identical.

Q: What do the part number suffixes (RP, DP) indicate?

A: The suffixes designate packaging and distribution variants within the TransGuard® series. RP and DP refer to different tape and reel configurations. These designations do not affect electrical performance, mechanical compatibility, or circuit functionality.

Q: Can I use these substitute parts in automotive applications?

A: Yes. All parts listed carry AEC-Q200 qualification, confirming suitability for automotive-grade applications. RoHS3 compliance and MSL 1 rating are maintained across all variants.

Q: Are there any compatibility concerns when substituting between these part numbers?

A: No compatibility concerns exist. All parts use identical 0805 (2012 Metric) surface mount packages with MLCV mounting type. PCB footprints, soldering requirements, and thermal characteristics are equivalent.

Q: Which substitute part should I select based on availability?

A: Selection should be based on supply chain requirements and lead time. VC080514A300RP offers the highest inventory availability. All parts are functionally interchangeable and carry identical compliance certifications.

Q: Do these parts require different handling or storage procedures?

A: No. All parts share MSL 1 (Unlimited) moisture sensitivity level, indicating no special moisture control requirements during storage or handling. Standard component storage practices apply uniformly across all variants.

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