TLP387(E Equivalent & Substitute Parts

Part Overview

The TLP387(E is an optoisolator with Darlington output manufactured by Toshiba Semiconductor and Storage. This component provides galvanic isolation with a 5000Vrms isolation voltage rating and is designed for applications requiring high-voltage isolation with DC input control. The part is classified as Active status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, ensuring functional interchangeability within specified operating conditions.

Substiute Parts

TLP387(E

Toshiba Semiconductor and StorageIn Stock: 931TLP387(E Datasheet

Current PartRFQ

TLP387(D4,E

Toshiba Semiconductor and StorageIn Stock: 1391TLP387(D4,E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLP387(E are identified based on strict equivalence across the following critical parameters:

Electrical Parameters:

• Voltage - Isolation: 5000Vrms
• Current Transfer Ratio (Min): 1000% @ 1mA
• Output Type: Darlington
• Voltage - Output (Max): 300V
• Current - Output / Channel: 150mA
• Turn On / Turn Off Time (Typ): 50µs, 15µs
• Operating Temperature: -55°C ~ 110°C

Mechanical Parameters:

• Package / Case: 6-SOIC (0.173", 4.40mm Width), 4 Leads
• Mounting Type: Surface Mount

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Product Status: Active

Substitute parts maintain identical electrical performance and physical form factor, enabling direct replacement in circuit designs without modification to PCB layout or electrical schematic connections.

Parameter Comparison

Engineering Selection Recommendations

Both the TLP387(E and TLP387(D4,E are Active status components manufactured by Toshiba Semiconductor and Storage. Both parts are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component procurement.

The TLP387(D4,E demonstrates higher inventory availability (1291 Pcs) compared to the TLP387(E (849 Pcs), which may influence supply chain decisions. However, both parts are functionally equivalent across all specified electrical and mechanical parameters.

Selection between these parts should be based on:

1. Inventory Availability: TLP387(D4,E offers greater stock depth for high-volume applications.
2. Regulatory Compliance: Both parts satisfy RoHS3 and REACH requirements.
3. Packaging Specification: Both use identical 6-SOIC surface mount packaging, requiring no PCB redesign.
4. Electrical Performance: Identical performance across isolation voltage, current transfer ratio, output voltage, and timing specifications.

Frequently Asked Questions (FAQ)

Q: Can TLP387(D4,E be used as a direct replacement for TLP387(E?

A: Yes. The TLP387(D4,E is electrically and mechanically equivalent to the TLP387(E across all specified parameters. Both components feature identical isolation voltage (5000Vrms), current transfer ratio (1000% @ 1mA), output voltage rating (300V), output current (150mA), and timing characteristics. The 6-SOIC surface mount package is identical, enabling direct PCB substitution without layout modification.

Q: Are there differences in isolation voltage between these parts?

A: No. Both the TLP387(E and TLP387(D4,E provide 5000Vrms isolation voltage rating, meeting identical high-voltage isolation requirements.

Q: Do these parts have the same operating temperature range?

A: Yes. Both parts operate across the temperature range of -55°C to 110°C, supporting identical thermal specifications for system design.

Q: What is the significance of the part number suffix difference between TLP387(E and TLP387(D4,E?

A: The suffix designates packaging or manufacturing date code variations within the TLP387 product family. Both variants maintain identical electrical specifications and are functionally interchangeable.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the TLP387(E and TLP387(D4,E are RoHS3 compliant and REACH unaffected, meeting current environmental regulations for component procurement and use.

Q: What is the maximum output current for these optoisolators?

A: Both parts support a maximum output current of 150mA per channel, with a single channel configuration.

Q: Can these parts be used in high-speed switching applications?

A: Both parts feature turn-on and turn-off times of 50µs and 15µs respectively, with rise and fall times of 40µs and 15µs. These timing characteristics define the switching speed capability for each application.