XAA170 Equivalent & Substitute Parts

Part Overview

The XAA170 is a solid-state relay (SSR) manufactured by IXYS Integrated Circuits Division, part of the OptoMOS® series. This SPST-NO (Single Pole Single Throw - Normally Open) relay is designed for switching applications requiring 100 mA load current at voltages ranging from 0 V to 350 V. The device operates with a 1.2 VDC input signal and features a maximum on-state resistance of 50 Ohms. Packaged in an 8-DIP (0.300", 7.62mm) through-hole configuration with PC pin termination, the XAA170 is actively supported and ROHS3 compliant. Equivalent parts are identified when they maintain the same circuit topology, package form factor, voltage ratings, and termination style while meeting or exceeding performance specifications.

Substiute Parts

XAA170

IXYS Integrated Circuits DivisionIn Stock: 1624XAA170 Datasheet

Current PartRFQ

AQW210EH

Panasonic Electric WorksIn Stock: 19047AQW210EH Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XAA170 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Circuit topology: SPST-NO (1 Form A) x 2 configuration
• Package form factor: 8-DIP (0.300", 7.62mm)
• Termination style: PC Pin
• Load voltage range: 0 V ~ 350 V minimum
• Output capability: AC and DC switching
• Mounting type: Through Hole

Performance Compatibility Criteria:

• Input voltage: Equal to or lower than 1.2 VDC (lower input voltage indicates improved sensitivity)
• Load current: Equal to or greater than 100 mA (higher current rating ensures capability)
• On-state resistance: Equal to or lower than 50 Ohms (lower resistance indicates improved performance)

The AQW210EH from Panasonic Electric Works meets all critical matching parameters and exceeds performance specifications in load current and on-state resistance, making it a direct substitute for the XAA170.

Parameter Comparison

Engineering Selection Recommendations

The AQW210EH is a qualified substitute for the XAA170 based on the following engineering criteria:

Mechanical Compatibility: Both devices share identical package specifications (8-DIP, 0.300" pitch), mounting type (through-hole), and termination style (PC pin), ensuring direct PCB compatibility without layout modifications.

Electrical Compatibility: The AQW210EH maintains the same load voltage range (0 V ~ 350 V) and output capability (AC/DC switching). The lower input voltage requirement (1.14 VDC versus 1.2 VDC) indicates improved input sensitivity, and the higher load current rating (120 mA versus 100 mA) with lower on-state resistance (25 Ohms versus 50 Ohms) provide enhanced performance margins.

Compliance Status: Both devices are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both products maintain active status with manufacturers, ensuring continued availability and support.

Circuit Topology: Identical SPST-NO (1 Form A) x 2 configuration ensures functional equivalence in switching applications.

Frequently Asked Questions (FAQ)

Q: Can the AQW210EH be used as a direct replacement for the XAA170 in existing designs?

A: Yes. The AQW210EH is mechanically and electrically compatible with the XAA170. Both devices use the same 8-DIP package with PC pin termination, identical circuit topology, and matching load voltage specifications. No PCB modifications are required.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (IXYS versus Panasonic) and performance specifications. The AQW210EH features a lower input voltage requirement (1.14 VDC versus 1.2 VDC), higher load current capability (120 mA versus 100 mA), and lower on-state resistance (25 Ohms versus 50 Ohms). These differences favor the AQW210EH in performance.

Q: Are there any package or pinout differences?

A: No. Both the XAA170 and AQW210EH use identical 8-DIP (0.300", 7.62mm) packages with PC pin termination. Pinout compatibility is assured.

Q: Do both parts support AC and DC load switching?

A: Yes. Both the XAA170 and AQW210EH are rated for AC and DC output switching across the 0 V ~ 350 V load voltage range.

Q: What is the significance of the lower on-state resistance in the AQW210EH?

A: Lower on-state resistance (25 Ohms versus 50 Ohms) reduces power dissipation during switching, resulting in lower heat generation and improved efficiency in the application circuit.

Q: Are both parts currently available?

A: Yes. Both the XAA170 and AQW210EH maintain active product status with their respective manufacturers, ensuring continued availability.