TLP620-4SM Equivalent & Substitute Parts

Part Overview

The TLP620-4SM is a quad optocoupler manufactured by Isocom Components 2004 LTD, designed for AC and DC input applications with transistor output configuration. This 16-pin surface mount device provides 5300Vrms isolation across four independent channels, making it suitable for industrial control, power management, and signal isolation applications. The part is currently in active production status with 740 units available in stock. Substitute parts are identified based on matching electrical specifications, isolation ratings, channel configuration, and package compatibility to ensure direct functional replacement in existing designs.

Substiute Parts

TLP620-4SM

Isocom Components 2004 LTDIn Stock: 772TLP620-4SM Datasheet

Current PartRFQ

ISP620-4XSM

Isocom Components 2004 LTDIn Stock: 1185ISP620-4XSM Datasheet

Parametric EquivalentRFQ

TLP620-4XSM

Isocom Components 2004 LTDIn Stock: 1037TLP620-4XSM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLP620-4SM are qualified based on strict parametric equivalence across the following critical criteria:

Isolation Voltage: All substitutes maintain 5300Vrms isolation rating, ensuring equivalent safety and performance in high-voltage isolation applications.

Channel Configuration: All substitutes provide 4 independent channels with identical current transfer ratio specifications (50% minimum, 600% maximum @ 5mA), guaranteeing equivalent signal isolation performance.

Output Characteristics: All substitutes feature transistor output with identical maximum output voltage (55V), per-channel current rating (50mA), and saturation voltage (400mV), ensuring compatible drive capability and load handling.

Input Compatibility: All substitutes accept both AC and DC input signals with matching rise and fall time specifications (4µs, 3µs), maintaining signal fidelity in switching applications.

Package and Mounting: All substitutes use 16-SMD gull wing surface mount packaging, enabling direct PCB layout compatibility without redesign.

Compliance and Environmental: All substitutes maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-30°C ~ 100°C), ensuring equivalent reliability and regulatory acceptance.

Parameter Comparison

Engineering Selection Recommendations

All three parts—TLP620-4SM, ISP620-4XSM, and TLP620-4XSM—are manufactured by Isocom Components 2004 LTD and maintain active production status. Each part carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial and commercial applications.

Selection between these parts is based on availability and supply chain considerations rather than electrical or mechanical differences. The ISP620-4XSM offers the highest inventory level at 1163 units, followed by TLP620-4XSM at 1022 units, and TLP620-4SM at 740 units. All parts are suitable for direct substitution in designs requiring quad optocoupler functionality with 5300Vrms isolation, transistor output, and 16-SMD surface mount packaging.

Frequently Asked Questions (FAQ)

Q: Can ISP620-4XSM and TLP620-4XSM be used interchangeably with TLP620-4SM?

A: Yes. All three parts share identical electrical specifications across isolation voltage, channel configuration, current transfer ratio, output characteristics, input compatibility, and operating temperature range. The 16-SMD gull wing package ensures direct PCB compatibility without layout modification.

Q: What determines substitution eligibility for these optocoupler parts?

A: Substitution is based on matching isolation voltage (5300Vrms), number of channels (4), current transfer ratio range (50%-600% @ 5mA), output voltage and current ratings (55V, 50mA per channel), rise/fall time specifications (4µs, 3µs), input type compatibility (AC/DC), package configuration (16-SMD gull wing), and compliance certifications (ROHS3, MSL Level 1).

Q: Are there any differences in performance between TLP620-4SM, ISP620-4XSM, and TLP620-4XSM?

A: No performance differences exist. All parts meet identical electrical and mechanical specifications. Differences are limited to part numbering convention and current inventory levels.

Q: What is the significance of the "X" designation in ISP620-4XSM and TLP620-4XSM?

A: The "X" designation indicates a variant within the same product series. Both ISP620-4XSM and TLP620-4XSM maintain full parametric equivalence with TLP620-4SM and are qualified substitutes based on matching specifications.

Q: Can these parts be used in applications requiring both AC and DC input signals?

A: Yes. All three parts support both AC and DC input types, providing flexibility for applications requiring either signal type or mixed-signal environments.

Q: What is the moisture sensitivity level, and does it affect handling?

A: All parts carry MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling procedures apply without special moisture control requirements during storage or assembly.