PVT412S-T Solid State Relay SPST-NO Equivalent & Substitute Parts

Part Overview

The PVT412S-T is a solid state relay (SSR) manufactured by Infineon Technologies, configured as a SPST-NO (Single Pole Single Throw - Normally Open) relay with 140 mA load current capacity and 0–400 V load voltage range. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates with 1.2 VDC input and features a maximum on-state resistance of 27 Ohms in a 6-SMD surface mount package with gull wing termination.

Key Parameters

Parameter	Value
Manufacturer	Infineon Technologies
Series	PVT, HEXFET®
Circuit Configuration	SPST-NO (1 Form A)
Output Type	AC, DC
Voltage - Input	1.2 VDC
Voltage - Load	0 V ~ 400 V
Load Current	140 mA
On-State Resistance (Max)	27 Ohms
Package / Case	6-SMD (0.300", 7.62mm)
Termination Style	Gull Wing
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	4 (72 Hours)

Substitute Part Grouping Explanation

Substitution of the PVT412S-T is determined by the following critical parameters:

Electrical Compatibility Requirements:

Circuit configuration: SPST-NO (1 Form A)
Output type: AC, DC
Load voltage range: 0 V ~ 400 V
Input voltage: 1.2 VDC (tolerance range acceptable)
Load current: minimum 140 mA capability
On-state resistance: maximum 27 Ohms (lower values acceptable)

Mechanical & Package Requirements:

Package type: 6-SMD (0.300", 7.62mm)
Termination style: Gull Wing
Mounting type: Surface Mount

Compliance & Environmental:

RoHS compliance status (ROHS3 preferred for new designs)
Moisture sensitivity level compatibility

Substitute parts are grouped into three categories based on load current capability and on-state resistance characteristics: the PVT412S-TPBF (direct equivalent with improved compliance), the AQV214 series (120 mA load current), and the AQV254 series (150 mA load current). The ASSR-4111 series provides an alternative from Broadcom Limited with 120 mA capability.

Parameter Comparison

Part Number	Manufacturer	Load Current (mA)	On-State Resistance (Ohms)	Input Voltage (VDC)	Load Voltage Range	Package	Product Status	RoHS Status	Packaging Type
PVT412S-T	Infineon Technologies	140	27	1.2	0–400 V	6-SMD (0.300", 7.62mm)	Obsolete	RoHS non-compliant	Tape & Reel (TR)
PVT412S-TPBF	Infineon Technologies	140	27	1.2	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Cut Tape (CT) & Digi-Reel®
AQV214EHA	Panasonic Electric Works	120	50	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tube
AQV214EHAX	Panasonic Electric Works	120	50	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tape & Reel (TR)
AQV214EHAZ	Panasonic Electric Works	120	50	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tape & Reel (TR)
AQV254HA	Panasonic Electric Works	150	16	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	RoHS Compliant	Tube
AQV254HAX	Panasonic Electric Works	150	16	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	RoHS Compliant	Tape & Reel (TR)
AQV254HAZ	Panasonic Electric Works	150	16	1.14	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tape & Reel (TR)
ASSR-4111-301E	Broadcom Limited	120	25	1.3	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tube
ASSR-4111-501E	Broadcom Limited	120	25	1.3	0–400 V	6-SMD (0.300", 7.62mm)	Active	ROHS3 Compliant	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Recommendation: PVT412S-TPBF

The PVT412S-TPBF is the direct functional equivalent of the PVT412S-T, manufactured by Infineon Technologies. It maintains identical electrical specifications (140 mA load current, 27 Ohms on-state resistance, 1.2 VDC input) and mechanical package configuration. The PVT412S-TPBF is currently in active production status and meets ROHS3 compliance requirements, addressing the RoHS non-compliance limitation of the obsolete PVT412S-T. This part is the preferred choice for direct replacement in existing designs.

Secondary Recommendations: AQV254 Series (Panasonic Electric Works)

The AQV254HA, AQV254HAX, and AQV254HAZ variants provide enhanced performance characteristics with 150 mA load current capability and reduced on-state resistance of 16 Ohms. These parts maintain the same load voltage range (0–400 V), package configuration (6-SMD), and termination style. All variants are in active production with RoHS compliance. The AQV254HAZ offers ROHS3 compliance. These parts are suitable for applications where improved current handling and lower resistance are beneficial.

Alternative Recommendation: ASSR-4111 Series (Broadcom Limited)

The ASSR-4111-301E and ASSR-4111-501E provide an alternative from Broadcom Limited with 120 mA load current and 25 Ohms on-state resistance. Both variants are in active production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The ASSR-4111-501E is packaged in Tape & Reel format for high-volume applications.

Compliance Consideration:

All recommended substitute parts meet ROHS3 compliance, addressing the non-compliance status of the obsolete PVT412S-T. For new designs, ROHS3-compliant variants are preferred.

Frequently Asked Questions (FAQ)

Q: Can the PVT412S-TPBF directly replace the PVT412S-T in existing designs?

A: Yes. The PVT412S-TPBF is electrically and mechanically identical to the PVT412S-T, with identical load current (140 mA), on-state resistance (27 Ohms), input voltage (1.2 VDC), and package configuration (6-SMD gull wing). The primary difference is active production status and ROHS3 compliance.

Q: What is the difference between the AQV214 and AQV254 series?

A: The AQV214 series supports 120 mA load current with 50 Ohms maximum on-state resistance. The AQV254 series supports 150 mA load current with 16 Ohms maximum on-state resistance. Both series maintain the same load voltage range (0–400 V) and package configuration. The AQV254 series provides higher current capacity and lower resistance.

Q: Are the AQV214EHAX and AQV214EHAZ interchangeable?

A: Yes. Both parts are identical in electrical and mechanical specifications (120 mA load current, 50 Ohms on-state resistance, 1.14 VDC input, 6-SMD package). The difference is packaging format: AQV214EHAX is supplied in Tape & Reel (TR), and AQV214EHAZ is also supplied in Tape & Reel (TR). Both are ROHS3 compliant.

Q: Can I use the ASSR-4111 series as a substitute for the PVT412S-T?

A: The ASSR-4111 series is functionally compatible with reduced load current (120 mA versus 140 mA) and slightly lower on-state resistance (25 Ohms versus 27 Ohms). Both maintain the same load voltage range (0–400 V) and package configuration (6-SMD gull wing). The ASSR-4111 series is suitable for applications where 120 mA load current is sufficient.

Q: What is the significance of the packaging suffix (X, Z, EHA)?

A: The packaging suffix indicates the distribution format and tape configuration. The "X" suffix typically indicates Tape & Reel (TR) packaging. The "Z" suffix also indicates Tape & Reel (TR) with different tape specifications. The "EHA" designation indicates the specific product variant within the AQV series. Consult supplier documentation for specific tape and reel specifications.

Q: Are all substitute parts RoHS compliant?

A: All recommended substitute parts meet RoHS compliance standards. The PVT412S-TPBF, AQV214 series, AQV254 series, and ASSR-4111 series are all ROHS3 compliant or RoHS compliant. The original PVT412S-T is RoHS non-compliant.

Q: What is the moisture sensitivity level (MSL) difference between parts?

A: The PVT412S-T and PVT412S-TPBF have MSL 4 (72 Hours), requiring controlled storage conditions. The Panasonic AQV series parts have MSL Not Applicable, indicating no moisture sensitivity requirement. The Broadcom ASSR-4111 series has MSL 1 (Unlimited), indicating no moisture sensitivity. Lower MSL values provide greater handling flexibility.

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