PS7160L-2A Solid State Relay: Equivalent & Substitute Parts

Part Overview

The PS7160L-2A is a surface mount solid state relay (SSR) manufactured by CEL, configured as a SPST-NO (Single Pole Single Throw - Normally Open) relay with dual channels in an 8-SMD package. This component operates with a 1.2VDC input signal and supports load voltages from 0V to 600V at 90mA maximum load current, with an on-state resistance of 50 Ohms maximum. The PS7160L-2A is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Substiute Parts

PS7160L-2A

CELIn Stock: 3388PS7160L-2A Datasheet

Current PartRFQ

AQW216A

Panasonic Electric WorksIn Stock: 32913AQW216A Datasheet

SimilarRFQ

AQW216EHA

Panasonic Electric WorksIn Stock: 2092AQW216EHA Datasheet

SimilarRFQ

AQW224NA

Panasonic Electric WorksIn Stock: 2017AQW224NA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS7160L-2A is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: SPST-NO (1 Form A) x 2 channels
• Package type: 8-SMD (0.300", 7.62mm) with Gull Wing termination
• Mounting type: Surface Mount
• Output type: AC and DC capability
• Load voltage range: Minimum 0V ~ 600V support

Allowable Parameter Variations:

• Input voltage: Substitute parts may operate at different input voltages (1.14VDC vs. 1.2VDC) provided the control circuit accommodates the difference
• Load current: Substitute parts may have lower maximum load current ratings (40mA vs. 90mA) if the application does not exceed the substitute's rating
• On-state resistance: Substitute parts may have higher on-state resistance values provided thermal and voltage drop requirements are satisfied within application limits
• Load voltage ceiling: Substitute parts with lower maximum load voltage ratings (400V vs. 600V) are suitable only for applications not exceeding the lower voltage specification

The substitute parts identified (AQW216A, AQW216EHA, AQW224NA) all share the mandatory matching parameters. However, load current and load voltage specifications differ and must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

AQW216A and AQW216EHA Selection Criteria:

Both AQW216A and AQW216EHA are active product status alternatives manufactured by Panasonic Electric Works in the PhotoMOS™ AQW series. These parts maintain full compatibility with the PS7160L-2A in terms of circuit configuration, package geometry, and load voltage range (0V ~ 600V). Both parts are ROHS3 compliant and REACH unaffected, providing regulatory advantages over the obsolete PS7160L-2A.

The primary design consideration is load current capacity. Both AQW216A and AQW216EHA are rated for 40mA maximum load current, compared to the PS7160L-2A's 90mA rating. Applications requiring load currents exceeding 40mA cannot use these substitutes. For applications operating at or below 40mA, these parts are suitable replacements.

The on-state resistance of 120 Ohms (AQW216A and AQW216EHA) is higher than the PS7160L-2A's 50 Ohms maximum. This results in increased voltage drop across the relay during conduction. For applications sensitive to voltage drop or thermal dissipation, this parameter must be evaluated against circuit requirements.

Input voltage is specified at 1.14VDC for both AQW216A and AQW216EHA, compared to 1.2VDC for the PS7160L-2A. Control circuits must accommodate this lower input voltage specification.

AQW224NA Selection Criteria:

The AQW224NA is an active product status alternative with identical circuit configuration and package specifications. This part is rated for 40mA maximum load current and 0V ~ 400V load voltage range. The AQW224NA is suitable only for applications where the maximum load voltage does not exceed 400V. Applications requiring 600V load voltage capability cannot use this substitute.

The AQW224NA specifies AC and DC (RF) output type, indicating suitability for radio frequency applications. On-state resistance is 100 Ohms maximum, intermediate between the PS7160L-2A (50 Ohms) and the AQW216 series (120 Ohms).

All three substitute parts are active product status components with ROHS3 compliance and REACH unaffected status, providing long-term availability and regulatory compliance advantages.

Frequently Asked Questions (FAQ)

Q: Can the AQW216A or AQW216EHA directly replace the PS7160L-2A in all applications?

A: Direct replacement is possible only if the application load current does not exceed 40mA. The PS7160L-2A is rated for 90mA maximum load current. Applications requiring higher load currents must retain the PS7160L-2A or identify alternative components with higher current ratings. Both AQW216A and AQW216EHA maintain the 0V ~ 600V load voltage range and SPST-NO dual-channel configuration of the PS7160L-2A.

Q: What is the impact of the higher on-state resistance in the AQW216 series?

A: The AQW216A and AQW216EHA specify 120 Ohms maximum on-state resistance, compared to 50 Ohms for the PS7160L-2A. At maximum load current (40mA for the AQW216 series), voltage drop across the relay is calculated as I × R. Higher on-state resistance results in increased voltage drop and power dissipation. Applications with tight voltage drop budgets or thermal constraints must evaluate this parameter against specific circuit requirements.

Q: Is the AQW224NA suitable for 600V load voltage applications?

A: No. The AQW224NA is rated for 0V ~ 400V load voltage range. Applications requiring 600V load voltage capability must use the AQW216A, AQW216EHA, or retain the PS7160L-2A. The AQW224NA is suitable only for applications where maximum load voltage does not exceed 400V.

Q: What is the difference between AQW216A and AQW216EHA?

A: Both parts are identical in electrical specifications and package configuration. The primary difference is packaging: AQW216A is supplied in Tube packaging with 32,850 pieces in stock inventory, while AQW216EHA is also supplied in Tube packaging with 2,059 pieces in stock inventory. Electrical performance and substitution suitability are equivalent.

Q: Are the substitute parts RoHS compliant?

A: Yes. All three substitute parts (AQW216A, AQW216EHA, AQW224NA) are ROHS3 compliant. The PS7160L-2A is RoHS non-compliant. For applications subject to RoHS requirements, the substitute parts provide regulatory compliance advantages.

Q: Can the lower input voltage (1.14VDC) of the substitute parts affect circuit operation?

A: The substitute parts specify 1.14VDC input voltage, compared to 1.2VDC for the PS7160L-2A. Control circuits must accommodate this lower input voltage specification. If the control circuit is designed to operate at exactly 1.2VDC with no margin, the lower input voltage of the substitute parts may affect relay triggering. Circuit design review is necessary to confirm compatibility with the 1.14VDC input specification.

Q: Are all substitute parts suitable for both AC and DC load switching?

A: Yes. All three substitute parts (AQW216A, AQW216EHA, AQW224NA) support both AC and DC output types. The AQW224NA additionally specifies AC and DC (RF) capability, indicating suitability for radio frequency applications. The PS7160L-2A also supports AC and DC output types.

Q: What is the package compatibility between the PS7160L-2A and substitute parts?

A: All parts use identical 8-SMD (0.300", 7.62mm) package with Gull Wing termination. PCB footprints and reflow soldering profiles are compatible. No PCB redesign is required for substitution.