PS2701A-1Y-A Equivalent & Substitute Parts

Part Overview

The PS2701A-1Y-A is a 3750Vrms optoisolator with transistor output, featuring single-channel isolation in a 4-SOP surface mount package. This component is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing system design and component sourcing. The PS2701A-1-F3-A serves as a direct manufacturer substitute, offering identical electrical specifications and mechanical compatibility while maintaining active product status and broader inventory availability.

Substiute Parts

PS2701A-1Y-A
CELIn Stock: 724PS2701A-1Y-A Datasheet
PS2701A-1Y-A
Current Part
PS2701A-1-F3-A
Renesas Electronics CorporationIn Stock: 123824PS2701A-1-F3-A Datasheet
PS2701A-1-F3-A
Direct

Key Parameters

Parameter Value
Voltage - Isolation 3750Vrms
Number of Channels 1
Current Transfer Ratio (Min) 50% @ 5mA
Current Transfer Ratio (Max) 300% @ 5mA
Output Type Transistor
Voltage - Output (Max) 70V
Current - Output / Channel 30mA
Rise / Fall Time (Typ) 5µs, 7µs
Vce Saturation (Max) 300mV
Operating Temperature -55°C ~ 100°C
Package / Case 4-SMD, Gull Wing
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the PS2701A-1Y-A with the PS2701A-1-F3-A is based on strict matching of critical electrical and mechanical parameters. The substitute maintains identical specifications across all primary isolation voltage (3750Vrms), output characteristics (transistor, 70V max, 30mA), current transfer ratio performance (50-300% @ 5mA), switching characteristics (5µs rise, 7µs fall), and package form factor (4-SOP, surface mount, gull wing). Both components belong to the NEPOC series and are ROHS3 compliant with identical thermal operating ranges (-55°C to 100°C). The substitution is based on complete parameter equivalence within the optoisolator transistor output category, ensuring drop-in compatibility for circuit-level applications requiring 3.75kV isolation performance.

Parameter Comparison

Parameter PS2701A-1Y-A (Main) PS2701A-1-F3-A (Substitute)
Manufacturer CEL Renesas Electronics Corporation
Series NEPOC NEPOC
Product Status Discontinued at DiGi Electronics Active
Voltage - Isolation 3750Vrms 3750Vrms
Number of Channels 1 1
Current Transfer Ratio (Min) 50% @ 5mA 50% @ 5mA
Current Transfer Ratio (Max) 300% @ 5mA 300% @ 5mA
Output Type Transistor Transistor
Voltage - Output (Max) 70V 70V
Current - Output / Channel 30mA 30mA
Rise / Fall Time (Typ) 5µs, 7µs 5µs, 7µs
Vce Saturation (Max) 300mV 300mV
Operating Temperature -55°C ~ 100°C -55°C ~ 100°C
Package / Case 4-SMD, Gull Wing 4-SMD, Gull Wing
Mounting Type Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
ECCN EAR99 EAR99
HTSUS 8541.49.8000 8541.49.8000

Engineering Selection Recommendations

The PS2701A-1-F3-A is the designated substitute for the discontinued PS2701A-1Y-A. Selection is based on complete electrical and mechanical equivalence, maintaining all isolation voltage, output characteristics, and switching performance specifications. The substitute part offers the additional advantage of active product status with substantially higher inventory availability (123,800 Pcs versus 643 Pcs), supporting supply chain continuity for ongoing production requirements. Both components are ROHS3 compliant and carry identical regulatory classifications (EAR99, HTSUS 8541.49.8000), with matching thermal performance across the -55°C to 100°C operating range. The substitute does not require circuit modifications or design changes for implementation in existing applications.

Frequently Asked Questions (FAQ)

Q: Can PS2701A-1-F3-A be used as a direct replacement for PS2701A-1Y-A in existing designs?

A: Yes. The substitute maintains identical specifications for all critical parameters including isolation voltage (3750Vrms), transistor output characteristics (70V max, 30mA), current transfer ratio (50-300% @ 5mA), switching times (5µs rise, 7µs fall), and package form factor (4-SOP, surface mount, gull wing). No circuit modifications are required.

Q: What are the key parameters that define substitution eligibility for this optoisolator?

A: Substitution is based on matching isolation voltage rating, output transistor configuration, maximum output voltage and current ratings, current transfer ratio performance, switching time characteristics, and surface mount package compatibility. All listed parameters are identical between the main part and substitute.

Q: Are there differences in regulatory compliance or certifications?

A: Both components are ROHS3 compliant with identical ECCN (EAR99) and HTSUS classifications. The main difference is REACH status: PS2701A-1Y-A is REACH Affected, while PS2701A-1-F3-A is REACH Unaffected. This does not impact the electrical or mechanical substitution validity.

Q: Does the manufacturer change from CEL to Renesas Electronics Corporation affect compatibility?

A: No. The PS2701A-1-F3-A is the direct Renesas manufacturer equivalent within the NEPOC series, carrying identical part number structure and electrical specifications. Renesas is the active manufacturer maintaining this product line.

Q: What is the inventory status difference between these components?

A: PS2701A-1Y-A is discontinued at DiGi Electronics with limited stock (643 Pcs). PS2701A-1-F3-A is active with significantly higher availability (123,800 Pcs), providing reliable sourcing for new production and long-term support.

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