TLP627M(LF1,E Optoisolator Darlington Equivalent & Substitute Parts

Part Overview

The TLP627M(LF1,E is a Darlington output optoisolator manufactured by Toshiba Semiconductor and Storage, designed for DC input applications requiring high isolation voltage. This single-channel device provides 5000Vrms isolation with a 1000% minimum current transfer ratio at 1mA input current. The component is classified as Active status and is available in 4-SMD surface mount packaging with Gull Wing leads.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the TLP627 base product family, ensuring functional interchangeability in circuit applications.

Key Parameters

Parameter	Value
Manufacturer	Toshiba Semiconductor and Storage
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	1000% @ 1mA
Output Type	Darlington
Voltage - Output (Max)	300V
Current - Output / Channel	150mA
Operating Temperature	-55°C ~ 110°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TLP627M(LF1,E are identified based on strict parameter equivalence within the TLP627 base product family. The following electrical and mechanical parameters determine substitution eligibility:

Critical Equivalence Parameters:

Voltage - Isolation: 5000Vrms
Number of Channels: 1
Current Transfer Ratio (Min): 1000% @ 1mA
Output Type: Darlington
Voltage - Output (Max): 300V
Current - Output / Channel: 150mA
Operating Temperature: -55°C ~ 110°C
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitute parts maintain identical electrical performance specifications and mechanical compatibility, differing only in packaging designations and supplier device package configurations that do not affect functional operation.

Parameter Comparison

Parameter	TLP627M(LF1,E	TLP627M(D4-LF5,E	TLP627M(LF5,E	TLP627MF(E	TLP627MF(LF4,E
Manufacturer	Toshiba	Toshiba	Toshiba	Toshiba	Toshiba
Number of Channels	1	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms	5000Vrms
Current Transfer Ratio (Min)	1000% @ 1mA	1000% @ 1mA	1000% @ 1mA	1000% @ 1mA	1000% @ 1mA
Output Type	Darlington	Darlington	Darlington	Darlington	Darlington
Voltage - Output (Max)	300V	300V	300V	300V	300V
Current - Output / Channel	150mA	150mA	150mA	150mA	150mA
Turn On / Turn Off Time (Typ)	110µs, 30µs	110µs, 30µs	110µs, 30µs	110µs, 30µs	110µs, 30µs
Operating Temperature	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C	-55°C ~ 110°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts maintain Active product status with Toshiba Semiconductor and Storage, ensuring continued manufacturing support and supply chain availability. The TLP627MF(E variant includes RoHS3 compliance and REACH Unaffected status, providing additional regulatory alignment for applications subject to environmental standards.

Selection between equivalent parts should be based on:

Packaging designation requirements specific to procurement or assembly processes
Supplier device package specifications as defined by manufacturing partners
Compliance certifications required by end-use application or regional regulations
Inventory availability and lead time considerations

All substitute parts are electrically and mechanically interchangeable with the TLP627M(LF1,E within the specified parameter ranges.

Frequently Asked Questions (FAQ)

Q: Are all listed substitute parts functionally identical to the TLP627M(LF1,E?

A: Yes. All substitute parts maintain identical electrical specifications including 5000Vrms isolation voltage, 1000% minimum current transfer ratio, 300V maximum output voltage, and 150mA output current per channel. Mechanical compatibility is preserved through identical 4-SMD Gull Wing packaging and surface mount mounting type.

Q: What is the difference between TLP627M and TLP627MF variants?

A: The TLP627MF(E variant includes RoHS3 compliance and REACH Unaffected status certifications. Electrical and mechanical parameters remain identical. Selection depends on regulatory requirements for the target application.

Q: Can TLP627M(LF1,E be replaced with TLP627M(LF5,E in existing designs?

A: Yes. Both parts share identical electrical specifications, isolation voltage, current transfer ratio, output characteristics, and operating temperature range. The packaging designation difference does not affect functional performance or circuit compatibility.

Q: What does the MSL rating of 1 (Unlimited) indicate?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life under standard storage conditions without requiring special moisture control measures during handling or storage.

Q: Are there any compliance differences between substitute parts?

A: The TLP627MF(E includes RoHS3 Compliant and REACH Unaffected certifications. Other variants maintain ECCN EAR99 and HTSUS 8541.49.8000 classifications. Compliance requirements should be verified against specific application or regional regulations.

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