PS9402-E3-AX Equivalent & Substitute Parts

Part Overview

The PS9402-E3-AX is a 2.5A gate driver optical coupler with 5000Vrms isolation, designed for high-voltage switching applications requiring galvanic isolation. This component integrates an LED-based optical coupling mechanism with integrated gate drive circuitry in a 16-SSOP surface mount package. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility for ongoing system support and new designs.

Substiute Parts

PS9402-E3-AX

CELIn Stock: 1085PS9402-E3-AX Datasheet

Current PartRFQ

PS9402-V-E3-AX

Renesas Electronics CorporationIn Stock: 9626PS9402-V-E3-AX Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS9402-E3-AX is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Optical coupling technology with single-channel gate driver configuration
• 5000Vrms isolation voltage rating
• 25kV/µs common mode transient immunity minimum
• 200ns maximum propagation delay (both rising and falling edges)
• 100ns maximum pulse width distortion
• 2.5A peak output current capability
• 2A continuous output current (high and low)
• 15V to 30V output supply voltage range
• -40°C to 110°C operating temperature range

Mechanical Equivalence Criteria:

• 16-SSOP surface mount package
• 16-SOIC (0.295", 7.50mm Width) case specification

Compliance Equivalence Criteria:

• ROHS3 compliance
• MSL Level 1 (Unlimited moisture sensitivity)

The substitute part PS9402-V-E3-AX meets all electrical and mechanical parameters specified for the main part while maintaining full regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The PS9402-V-E3-AX is a direct functional equivalent to the PS9402-E3-AX for all applications requiring a single-channel 5000Vrms optical gate driver in a 16-SSOP package.

Product Status Consideration: The PS9402-E3-AX is discontinued at DiGi Electronics. The PS9402-V-E3-AX maintains active product status with Renesas Electronics Corporation, ensuring long-term availability and supply chain continuity.

Compliance and Certification: Both parts maintain ROHS3 compliance and MSL Level 1 rating. The PS9402-V-E3-AX carries additional VDE approval beyond the CSA and UL certifications present on the main part, providing expanded regulatory acceptance across international markets.

Electrical and Mechanical Compatibility: All electrical parameters, including isolation voltage, propagation delay, output current ratings, and operating temperature range, are identical between the two parts. The 16-SSOP package specification ensures direct pin-compatible replacement without PCB redesign.

Inventory and Availability: The PS9402-V-E3-AX is available in significantly higher inventory quantities (9527 pcs) compared to the main part (1075 pcs), supporting both immediate procurement and long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can the PS9402-V-E3-AX be used as a direct replacement for the PS9402-E3-AX in existing designs?

A: Yes. The PS9402-V-E3-AX is electrically and mechanically equivalent to the PS9402-E3-AX. All electrical parameters, including isolation voltage, propagation delay, output current, and operating temperature range, are identical. The 16-SSOP package ensures pin-for-pin compatibility without PCB modification.

Q: Are there any differences in isolation voltage or safety ratings between these parts?

A: Both parts provide 5000Vrms isolation voltage and meet CSA and UL approval requirements. The PS9402-V-E3-AX includes additional VDE certification, which does not affect compatibility but extends regulatory acceptance.

Q: What is the significance of the different packaging designations (Strip vs. standard)?

A: The PS9402-V-E3-AX is supplied in Strip packaging, while the PS9402-E3-AX uses standard packaging. Both formats contain identical components in the same 16-SSOP case. Strip packaging affects only the delivery format and handling during assembly; it does not impact electrical performance or compatibility.

Q: Do both parts have the same propagation delay and timing characteristics?

A: Yes. Both parts specify identical propagation delay (200ns maximum for both rising and falling edges), pulse width distortion (100ns maximum), and rise/fall times (50ns typical). Timing performance is equivalent across all specified conditions.

Q: Is the PS9402-V-E3-AX suitable for high-temperature applications?

A: Yes. Both parts operate across the identical temperature range of -40°C to 110°C. The PS9402-V-E3-AX maintains full electrical specifications throughout this range.

Q: What is the common mode transient immunity rating, and is it the same for both parts?

A: Both parts provide 25kV/µs common mode transient immunity (minimum), which defines the maximum rate of voltage change the optical coupler can withstand without introducing errors in the output signal.

Q: Are there any supply voltage differences between the two parts?

A: No. Both parts require an output supply voltage in the range of 15V to 30V. This specification is identical for the PS9402-E3-AX and PS9402-V-E3-AX.

Q: What is the peak output current capability of these gate drivers?

A: Both parts provide a peak output current of 2.5A with continuous output current capability of 2A (both high and low states). This specification is identical across both components.