TLP669LF(S,C,F) Equivalent & Substitute Parts

Part Overview

The TLP669LF(S,C,F) is an optoisolator with triac output manufactured by Toshiba Semiconductor and Storage. This component provides galvanic isolation up to 5000Vrms with a single-channel triac output configuration and integrated zero-crossing detection circuit. The device is packaged in a 6-DIP through-hole format with 5 leads.

The TLP669LF(S,C,F) is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing system maintenance, repair operations, and new design implementations where this component specification remains required.

Substiute Parts

TLP669LF(S,C,F)

Toshiba Semiconductor and StorageIn Stock: 1042TLP669LF(S,C,F) Datasheet

Current PartRFQ

TLP3083F(F

Toshiba Semiconductor and StorageIn Stock: 1176TLP3083F(F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLP669LF(S,C,F) is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Isolation voltage rating: 5000Vrms (must match)
• Output type: Triac (must match)
• Zero-crossing circuit: Present (must match)
• Number of channels: 1 (must match)
• Off-state voltage: 800 V (must match)
• On-state current capacity: 100 mA (must match or exceed)

Mechanical Compatibility Requirements:

• Package type: 6-DIP through-hole (must match)
• Lead count: 5 leads (must match)
• Physical dimensions: 0.400" / 10.16mm (must match)

Regulatory and Compliance Requirements:

• Approval agencies: CSA, cUL, UL, VDE (substitute must maintain equivalent certifications)

The TLP3083F(F) meets all electrical, mechanical, and regulatory criteria for direct substitution with the TLP669LF(S,C,F).

Parameter Comparison

Engineering Selection Recommendations

The TLP3083F(F) is the direct equivalent substitute for the TLP669LF(S,C,F).

Substitution Basis:

The TLP3083F(F) maintains identical electrical specifications across all critical parameters: 5000Vrms isolation voltage, triac output configuration, single-channel architecture, 800 V off-state voltage, and 100 mA on-state current capacity. The mechanical interface is identical, with both devices utilizing the 6-DIP through-hole package format with 5 leads and 0.400" / 10.16mm dimensions.

Product Status Advantage:

The TLP3083F(F) carries active product status, ensuring ongoing availability and manufacturing support. The TLP669LF(S,C,F) is obsolete, making the TLP3083F(F) the appropriate long-term solution for system maintenance and new implementations.

Regulatory Compliance:

The TLP3083F(F) maintains all required certifications (CSA, cUL, UL, VDE) and adds CQC certification. Both devices comply with ECCN EAR99 and HTSUS 8541.49.8000 classifications. The TLP3083F(F) is ROHS3 compliant and REACH unaffected.

Performance Enhancement:

The TLP3083F(F) demonstrates improved LED trigger current specification (5mA maximum versus 10mA maximum), reducing input drive requirements while maintaining full output current capacity.

Frequently Asked Questions (FAQ)

Q: Can the TLP3083F(F) be used as a direct replacement for the TLP669LF(S,C,F) in existing circuit designs?

A: Yes. The TLP3083F(F) is electrically and mechanically compatible with the TLP669LF(S,C,F). Both devices share identical isolation voltage (5000Vrms), output type (triac), channel configuration (1 channel), off-state voltage (800 V), on-state current capacity (100 mA), and package format (6-DIP, 5 leads). No circuit modifications are required.

Q: What is the primary advantage of substituting the TLP3083F(F) for the obsolete TLP669LF(S,C,F)?

A: The TLP3083F(F) carries active product status with ongoing manufacturing support and availability. The TLP669LF(S,C,F) is obsolete, creating supply chain risk. The TLP3083F(F) also features improved LED trigger current specification (5mA maximum), reducing input drive requirements.

Q: Are the package dimensions identical between these two devices?

A: Yes. Both the TLP669LF(S,C,F) and TLP3083F(F) utilize the 6-DIP through-hole package with 0.400" / 10.16mm dimensions and 5 leads. PCB footprints are identical.

Q: Do both devices meet the same regulatory certifications?

A: The TLP3083F(F) maintains all certifications required by the TLP669LF(S,C,F) (CSA, cUL, UL, VDE) and adds CQC certification. Both devices comply with ECCN EAR99 and HTSUS 8541.49.8000 classifications.

Q: What is the moisture sensitivity level of the TLP3083F(F)?

A: The TLP3083F(F) has a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.

Q: Are there any electrical parameter differences that would affect circuit operation?

A: The TLP3083F(F) features a lower LED trigger current maximum (5mA versus 10mA), which reduces input drive requirements. All other critical electrical parameters—isolation voltage, output current capacity, and off-state voltage—are identical. This difference represents an improvement in input efficiency.