TLP127(MAT-L-TPL,F) Equivalent & Substitute Parts

Part Overview

The TLP127(MAT-L-TPL,F) is a single-channel optoisolator with Darlington output manufactured by Toshiba Semiconductor and Storage. This component provides 2500Vrms isolation voltage and is designed for DC input applications requiring galvanic isolation. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

TLP127(MAT-L-TPL,F

Toshiba Semiconductor and StorageIn Stock: 798TLP127(MAT-L-TPL,F Datasheet

Current PartRFQ

TLP187(TPL,E

Toshiba Semiconductor and StorageIn Stock: 2269TLP187(TPL,E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLP127(MAT-L-TPL,F) is determined by the following critical parameters:

• Single-channel Darlington output optoisolator configuration
• Minimum isolation voltage of 2500Vrms
• Current transfer ratio minimum of 1000% @ 1mA
• Maximum output voltage of 300V
• Output current capability of 150mA per channel
• Surface mount packaging with 4-lead configuration
• Operating temperature range compatibility

The TLP187(TPL,E) qualifies as a substitute based on these criteria. While it provides enhanced isolation voltage (3750Vrms) and extended operating temperature range (-55°C ~ 110°C), all critical electrical parameters remain within or exceed the original specification requirements.

Parameter Comparison

Engineering Selection Recommendations

The TLP187(TPL,E) is an active product with current manufacturing support and ROHS3 compliance certification. This substitute provides equivalent or superior electrical performance across all critical parameters while offering extended operating temperature capability. The primary consideration for implementation is package footprint compatibility, as the TLP187 uses a 6-SOIC package format versus the original 6-SMD gull wing configuration. PCB layout modification will be required to accommodate the different package geometry. The substitute's higher isolation voltage rating (3750Vrms versus 2500Vrms) provides additional design margin without introducing compatibility issues.

Frequently Asked Questions (FAQ)

Q: Can the TLP187(TPL,E) directly replace the TLP127(MAT-L-TPL,F) without circuit modification?

A: Electrical substitution is valid based on matching current transfer ratio, output voltage, output current, and timing characteristics. However, the package footprint differs (6-SOIC versus 6-SMD gull wing), requiring PCB layout changes and potential revalidation of assembly processes.

Q: What is the significance of the higher isolation voltage in the TLP187?

A: The TLP187 provides 3750Vrms isolation versus the original 2500Vrms specification. This represents a 50% increase in isolation capability and provides additional safety margin in high-voltage isolation applications without introducing any compatibility concerns.

Q: Are there any temperature-related limitations when substituting?

A: The TLP187 extends the maximum operating temperature from 100°C to 110°C. This provides improved thermal headroom and is fully backward compatible with applications designed for the original -55°C ~ 100°C range.

Q: What compliance certifications apply to the substitute part?

A: The TLP187(TPL,E) carries ROHS3 compliance certification and REACH unaffected status. The original TLP127 compliance information is not specified in the available data.

Q: Are the input and output characteristics identical between these parts?

A: Yes. Both parts feature DC input type, Darlington output configuration, identical current transfer ratio specifications (1000% @ 1mA), matching timing parameters (50µs/15µs turn-on/turn-off, 40µs/15µs rise/fall times), and identical saturation voltage (1.2V maximum).