TLP620 Equivalent & Substitute Parts

Part Overview

The TLP620 is an optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This single-channel device provides 5300Vrms isolation voltage and is designed for AC and DC input applications. The component is actively produced and widely used in industrial control, power management, and signal isolation circuits. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product category, enabling seamless integration in existing designs.

Substiute Parts

TLP620
Isocom Components 2004 LTDIn Stock: 7358TLP620 Datasheet
TLP620
Current Part
ISP620-1X
Isocom Components 2004 LTDIn Stock: 45307ISP620-1X Datasheet
ISP620-1X
Parametric Equivalent
TLP620X
Isocom Components 2004 LTDIn Stock: 45222TLP620X Datasheet
TLP620X
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number TLP620
Manufacturer Isocom Components 2004 LTD
Category Optoisolators
Number of Channels 1
Voltage - Isolation 5300Vrms
Current Transfer Ratio (Min) 50% @ 5mA
Current Transfer Ratio (Max) 600% @ 5mA
Rise / Fall Time (Typ) 4µs, 3µs
Input Type AC, DC
Output Type Transistor
Voltage - Output (Max) 55V
Current - Output / Channel 50mA
Voltage - Forward (Vf) (Typ) 1.15V
Current - DC Forward (If) (Max) 50mA
Vce Saturation (Max) 400mV
Operating Temperature -30°C ~ 100°C
Mounting Type Through Hole
Package / Case 4-DIP (0.300", 7.62mm)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
Product Status Active

Substitute Part Grouping Explanation

Substitute parts for the TLP620 are qualified based on strict equivalence across the following critical parameters:

  • Voltage - Isolation: 5300Vrms
  • Number of Channels: 1
  • Current Transfer Ratio: 50% (Min) @ 5mA, 600% (Max) @ 5mA
  • Rise / Fall Time: 4µs, 3µs
  • Input Type: AC, DC
  • Output Type: Transistor
  • Voltage - Output (Max): 55V
  • Current - Output / Channel: 50mA
  • Voltage - Forward (Vf) (Typ): 1.15V
  • Current - DC Forward (If) (Max): 50mA
  • Vce Saturation (Max): 400mV
  • Operating Temperature: -30°C ~ 100°C
  • Mounting Type: Through Hole
  • Package / Case: 4-DIP (0.300", 7.62mm)
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • REACH Status: REACH Unaffected

All identified substitutes maintain identical electrical performance and mechanical compatibility with the TLP620.

Parameter Comparison

Parameter TLP620 ISP620-1X TLP620X
Manufacturer Isocom Components 2004 LTD Isocom Components 2004 LTD Isocom Components 2004 LTD
Number of Channels 1 1 1
Voltage - Isolation 5300Vrms 5300Vrms 5300Vrms
Current Transfer Ratio (Min) 50% @ 5mA 50% @ 5mA 50% @ 5mA
Current Transfer Ratio (Max) 600% @ 5mA 600% @ 5mA 600% @ 5mA
Rise / Fall Time (Typ) 4µs, 3µs 4µs, 3µs 4µs, 3µs
Input Type AC, DC AC, DC AC, DC
Output Type Transistor Transistor Transistor
Voltage - Output (Max) 55V 55V 55V
Current - Output / Channel 50mA 50mA 50mA
Voltage - Forward (Vf) (Typ) 1.15V 1.15V 1.15V
Current - DC Forward (If) (Max) 50mA 50mA 50mA
Vce Saturation (Max) 400mV 400mV 400mV
Operating Temperature -30°C ~ 100°C -30°C ~ 100°C -30°C ~ 100°C
Mounting Type Through Hole Through Hole Through Hole
Package / Case 4-DIP (0.300", 7.62mm) 4-DIP (0.300", 7.62mm) 4-DIP (0.300", 7.62mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
Product Status Active Active Active

Engineering Selection Recommendations

All three parts—TLP620, ISP620-1X, and TLP620X—are actively produced by Isocom Components 2004 LTD and maintain full compliance with ROHS3 and REACH requirements. Selection among these optoisolators is determined by availability and packaging preference rather than electrical or mechanical differences. The TLP620 and ISP620-1X differ only in packaging format (standard versus tube), while TLP620X is a variant designation of the base TLP620 series. All three are suitable for direct substitution in applications requiring single-channel optoisolation at 5300Vrms with transistor output.

Frequently Asked Questions (FAQ)

Q: Can ISP620-1X replace TLP620 in existing designs? A: Yes. ISP620-1X maintains identical electrical parameters and 4-DIP package dimensions. The only difference is packaging format (tube versus standard). No circuit modifications are required.

Q: What is the relationship between TLP620 and TLP620X? A: TLP620X is a variant designation within the TLP620 series. Both share identical electrical specifications and package configuration. TLP620X may indicate a specific production batch or supplier packaging variant.

Q: Are all three parts pin-compatible? A: Yes. All three parts use the 4-DIP (0.300", 7.62mm) package with identical pinout and electrical characteristics, enabling direct PCB substitution.

Q: Do these parts require different handling procedures? A: No. All three parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control measures are required during storage or handling.

Q: Which part should be selected for new designs? A: Any of the three parts is suitable for new designs. Selection should be based on current availability and preferred packaging format from your supplier.

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