PS2711-1-F3-A Equivalent & Substitute Parts

Part Overview

The PS2711-1-F3-A is a 3.75kV isolation optoisolator with transistor output manufactured by CEL in the NEPOC series. This component provides single-channel galvanic isolation for DC input signals with a 4-SOP surface mount package configuration. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines for ongoing design support and procurement continuity.

Substiute Parts

PS2711-1-F3-A

CELIn Stock: 3981PS2711-1-F3-A Datasheet

Current PartRFQ

LTV-357T

Lite-On Inc.In Stock: 10147LTV-357T Datasheet

SimilarRFQ

PS2711-1-F3-A

Renesas Electronics CorporationIn Stock: 4039PS2711-1-F3-A Datasheet

Parametric EquivalentRFQ

PS2711-1-V-A

Renesas Electronics CorporationIn Stock: 5314PS2711-1-V-A Datasheet

Parametric EquivalentRFQ

PS2711-1-V-F3-A

Renesas Electronics CorporationIn Stock: 10875PS2711-1-V-F3-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PS2711-1-F3-A is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Isolation voltage: 3750Vrms
• Number of channels: 1
• Output type: Transistor
• Package type: 4-SOP surface mount
• Input type: DC
• Current Transfer Ratio range: minimum 100% @ 1mA, maximum 400% @ 1mA
• Maximum output voltage: 40V
• Maximum output current: 40mA
• Vce saturation: 300mV maximum
• Operating temperature range: -55°C to 100°C minimum
• RoHS3 compliance

Substitute Categories:

Category 1: Parametric Equivalents (Renesas Electronics Corporation) Parts PS2711-1-V-F3-A, PS2711-1-F3-A (Renesas), and PS2711-1-V-A meet all mandatory electrical and mechanical parameters identically to the original PS2711-1-F3-A. These parts differ only in packaging format (Tape & Reel or Strip) and product status (Active vs. Discontinued). Electrical performance and isolation characteristics are identical.

Category 2: Functional Substitute (Lite-On Inc.) The LTV-357T provides equivalent isolation voltage and single-channel transistor output in the same 4-SOP package. While this part meets the core isolation and package requirements, it exhibits different electrical characteristics within acceptable ranges for many applications: lower minimum current transfer ratio (50% @ 5mA vs. 100% @ 1mA), higher maximum current transfer ratio (600% @ 5mA), lower maximum Vce saturation (200mV vs. 300mV), and extended operating temperature range (-55°C to 110°C). Output voltage is 35V maximum versus 40V, and output current is 50mA versus 40mA.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalents):

The Renesas Electronics parts PS2711-1-V-F3-A, PS2711-1-F3-A, and PS2711-1-V-A are direct parametric equivalents to the discontinued CEL PS2711-1-F3-A. All three Renesas variants maintain identical electrical specifications and isolation characteristics. Selection among these three should be based on packaging format availability and procurement requirements:

• PS2711-1-V-F3-A: Tape & Reel format, 10,800 pcs inventory, Active status
• PS2711-1-F3-A: Tape & Reel format, 3,963 pcs inventory, Active status
• PS2711-1-V-A: Strip format, 5,262 pcs inventory, Active status

All three carry ROHS3 compliance, REACH Unaffected status, and MSL 1 rating, meeting the same regulatory and environmental requirements as the original part.

For Functional Substitution (LTV-357T):

The Lite-On LTV-357T optoisolator provides equivalent isolation voltage and package configuration with active product status and higher inventory availability (10,099 pcs). This part is suitable for applications where the following parameter variations are acceptable:

• Lower minimum current transfer ratio specification (50% @ 5mA vs. 100% @ 1mA) requires circuit design verification for adequate signal transfer
• Higher maximum current transfer ratio (600% @ 5mA) provides improved gain margin
• Lower Vce saturation (200mV vs. 300mV) results in reduced output voltage drop
• Extended operating temperature range (-55°C to 110°C) provides additional thermal margin
• Reduced maximum output voltage (35V vs. 40V) requires confirmation that circuit voltage levels remain within specification
• Increased maximum output current (50mA vs. 40mA) provides additional current capacity

The LTV-357T is ROHS3 compliant and REACH Unaffected, matching regulatory compliance of the original part.

Frequently Asked Questions (FAQ)

Q: Can the LTV-357T directly replace the PS2711-1-F3-A without circuit modification?

A: The LTV-357T shares the same 3.75kV isolation voltage, single-channel transistor output, and 4-SOP package. However, it exhibits different electrical characteristics. The lower minimum current transfer ratio (50% @ 5mA vs. 100% @ 1mA) and different test conditions require circuit analysis to confirm adequate signal transfer. The reduced maximum output voltage (35V vs. 40V) must be verified against circuit requirements. Direct substitution without circuit review is not recommended.

Q: What is the difference between the three Renesas PS2711 variants?

A: PS2711-1-V-F3-A, PS2711-1-F3-A, and PS2711-1-V-A are parametrically identical in all electrical and isolation specifications. The differences are packaging format (Tape & Reel vs. Strip) and inventory availability. Selection should be based on procurement and assembly process requirements. All three are Active status products from Renesas Electronics.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The PS2711-1-V-F3-A, PS2711-1-F3-A, PS2711-1-V-A, and LTV-357T are all ROHS3 compliant and REACH Unaffected, matching the regulatory status of the original CEL PS2711-1-F3-A.

Q: What is the moisture sensitivity level for these optoisolators?

A: All listed parts, including the original PS2711-1-F3-A and all substitutes, carry MSL 1 (Unlimited) rating. This indicates unlimited shelf life without moisture control requirements.

Q: Does the LTV-357T have faster switching speed than the PS2711-1-F3-A?

A: The LTV-357T has a fall time of 3µs compared to 5µs for the PS2711-1-F3-A, while rise time is identical at 4µs. This represents a marginal improvement in switching speed that may be beneficial in high-frequency applications but requires circuit-level verification.

Q: Can I use the LTV-357T in applications requiring 40V output?

A: The LTV-357T maximum output voltage is 35V, compared to 40V for the PS2711-1-F3-A. Applications requiring output voltages above 35V cannot use the LTV-357T. Circuit voltage levels must be verified before substitution.

Q: What inventory status should I prioritize for new designs?

A: All Renesas variants (PS2711-1-V-F3-A, PS2711-1-F3-A, PS2711-1-V-A) and the Lite-On LTV-357T carry Active product status. For new designs, these Active parts are preferred over the discontinued CEL PS2711-1-F3-A to ensure long-term supply continuity and manufacturer support.