PS9151-F3-AX Equivalent & Substitute Parts

Part Overview

The PS9151-F3-AX is a logic output optoisolator designed for high-speed digital isolation applications. This component provides 3750Vrms isolation voltage with push-pull totem pole output configuration, supporting data rates up to 15Mbps and common mode transient immunity of 15kV/µs. The device is housed in a 5-SO surface mount package and operates across the industrial temperature range of -40°C to 100°C.

The original PS9151-F3-AX from CEL is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications requiring this isolation topology and performance specification.

Substiute Parts

PS9151-F3-AX
CELIn Stock: 18866PS9151-F3-AX Datasheet
PS9151-F3-AX
Current Part
PS9151-F3-AX
Renesas Electronics CorporationIn Stock: 18862PS9151-F3-AX Datasheet
PS9151-F3-AX
Direct

Key Parameters

Parameter Value
Isolation Voltage 3750Vrms
Number of Channels 1
Output Type Push-Pull, Totem Pole
Data Rate 15Mbps
Common Mode Transient Immunity (Min) 15kV/µs
Propagation Delay tpLH / tpHL (Max) 60ns / 60ns
Rise / Fall Time (Typ) 4ns / 4ns
Output Current / Channel 2 mA
Supply Voltage 4.5V ~ 5.5V
Operating Temperature -40°C ~ 100°C
Package / Case 6-SOIC (0.173", 4.40mm Width), 5 Leads
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the PS9151-F3-AX are identified based on strict electrical and mechanical parameter matching within the optoisolator product category. The substitution criteria are:

Primary Matching Parameters:

  • Isolation voltage: 3750Vrms
  • Number of channels: 1
  • Output configuration: Push-Pull, Totem Pole
  • Data rate: 15Mbps minimum
  • Common mode transient immunity: 15kV/µs minimum
  • Package type: 5-SO (6-SOIC, 5 Leads)
  • Mounting type: Surface Mount
  • Operating temperature range: -40°C to 100°C minimum

Secondary Compliance Parameters:

  • RoHS3 compliance
  • Moisture sensitivity level: 1 (Unlimited)
  • REACH unaffected status

Parts meeting all primary parameters and secondary compliance requirements are classified as direct substitutes. The PS9151-F3-AX from Renesas Electronics Corporation meets all specified criteria and is available in active product status with Tape & Reel packaging.

Parameter Comparison

Parameter PS9151-F3-AX (CEL) PS9151-F3-AX (Renesas)
Manufacturer CEL Renesas Electronics Corporation
Product Status Discontinued at DiGi Electronics Active
Isolation Voltage 3750Vrms 3750Vrms
Number of Channels 1 1
Output Type Push-Pull, Totem Pole Push-Pull, Totem Pole
Data Rate 15Mbps 15Mbps
Common Mode Transient Immunity (Min) 15kV/µs 15kV/µs
Propagation Delay tpLH / tpHL (Max) 60ns / 60ns 60ns / 60ns
Rise / Fall Time (Typ) 4ns / 4ns 4ns / 4ns
Output Current / Channel 2 mA 2 mA
Supply Voltage 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature -40°C ~ 100°C -40°C ~ 100°C
Package / Case 6-SOIC (0.173", 4.40mm Width), 5 Leads 6-SOIC (0.173", 4.40mm Width), 5 Leads
Mounting Type Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
Packaging Option Not specified Tape & Reel (TR)

Engineering Selection Recommendations

The PS9151-F3-AX from Renesas Electronics Corporation is the direct substitute for the discontinued CEL PS9151-F3-AX. Both parts share identical electrical specifications, mechanical packaging, and compliance certifications. The Renesas variant is currently in active product status, ensuring ongoing availability and supply chain support.

Selection of the Renesas PS9151-F3-AX is appropriate for:

  • Direct replacement in existing designs without circuit modification
  • New designs requiring 3750Vrms single-channel optoisolation with push-pull output
  • Applications requiring 15Mbps data rate and 15kV/µs common mode transient immunity
  • Industrial temperature range operation from -40°C to 100°C
  • RoHS3 and REACH compliance requirements

The Tape & Reel packaging option for the Renesas part supports high-volume production environments and automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the Renesas PS9151-F3-AX directly replace the discontinued CEL PS9151-F3-AX without design changes?

A: Yes. Both parts are electrically and mechanically identical. All electrical parameters, timing specifications, isolation voltage, output configuration, and package dimensions match exactly. No circuit modifications are required for direct substitution.

Q: What are the critical parameters that define substitution compatibility for the PS9151-F3-AX?

A: Substitution compatibility is determined by: isolation voltage (3750Vrms), single-channel configuration, push-pull totem pole output topology, 15Mbps data rate capability, 15kV/µs common mode transient immunity, 5-SO package type, and surface mount mounting. All these parameters must match the original specification.

Q: Does the Tape & Reel packaging of the Renesas part affect compatibility?

A: No. Tape & Reel is a supply format for automated assembly and does not affect electrical performance or mechanical fit. The component itself remains identical to the original packaging format.

Q: Are there compliance or certification differences between the CEL and Renesas versions?

A: No. Both versions are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1 - Unlimited) ratings. Compliance certifications are equivalent.

Q: What is the significance of the PS9151 base product number?

A: The PS9151 base product number identifies the core optoisolator design within the NEPOC series. The -F3-AX suffix specifies the particular variant with 3750Vrms isolation and push-pull output configuration. Both CEL and Renesas manufacture this same design variant.

Q: Is the Renesas PS9151-F3-AX suitable for new design implementations?

A: Yes. The active product status of the Renesas part ensures long-term availability and supply continuity. It is appropriate for both replacement applications and new design implementations requiring the specified isolation voltage, data rate, and output topology.

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