TLP521-2GRG Equivalent & Substitute Parts

Part Overview

The TLP521-2GRG is a dual-channel optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This 8-DIP through-hole component provides galvanic isolation up to 5300Vrms and is designed for applications requiring electrical isolation between input and output circuits. The part is currently in active production status with 696 units in stock. Substitute parts are identified when they maintain identical electrical characteristics, mechanical compatibility, and compliance certifications, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

TLP521-2GRG
Isocom Components 2004 LTDIn Stock: 719TLP521-2GRG Datasheet
TLP521-2GRG
Current Part
TLP521-2XGRG
Isocom Components 2004 LTDIn Stock: 877TLP521-2XGRG Datasheet
TLP521-2XGRG
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number TLP521-2GRG
Manufacturer Isocom Components 2004 LTD
Category Optoisolators
Number of Channels 2
Voltage - Isolation 5300Vrms
Current Transfer Ratio (Min) 100% @ 1mA
Current Transfer Ratio (Max) 300% @ 1mA
Output Type Transistor
Voltage - Output (Max) 55V
Current - Output / Channel 50mA
Vce Saturation (Max) 400mV
Operating Temperature -30°C ~ 100°C
Package / Case 8-DIP (0.400", 10.16mm)
Mounting Type Through Hole
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TLP521-2GRG is determined by strict equivalence across the following critical parameters:

  • Isolation Voltage: 5300Vrms
  • Channel Configuration: 2 channels
  • Output Stage: Transistor output
  • Current Transfer Ratio Range: 100% to 300% @ 1mA
  • Maximum Output Voltage: 55V
  • Maximum Output Current per Channel: 50mA
  • Package Type: 8-DIP through-hole
  • Operating Temperature Range: -30°C ~ 100°C
  • Compliance: ROHS3 Compliant, REACH Unaffected

Parts meeting all these parameters are classified as parametric equivalents and may be used as direct substitutes without circuit redesign.

Parameter Comparison

Parameter TLP521-2GRG TLP521-2XGRG
Manufacturer Isocom Components 2004 LTD Isocom Components 2004 LTD
Series TLP521-2 TLP521-2
Number of Channels 2 2
Voltage - Isolation 5300Vrms 5300Vrms
Current Transfer Ratio (Min) 100% @ 1mA 100% @ 1mA
Current Transfer Ratio (Max) 300% @ 1mA 300% @ 1mA
Turn On / Turn Off Time (Typ) 3µs, 3µs 3µs, 3µs
Rise / Fall Time (Typ) 4µs, 3µs 4µs, 3µs
Input Type DC DC
Output Type Transistor Transistor
Voltage - Output (Max) 55V 55V
Current - Output / Channel 50mA 50mA
Voltage - Forward (Vf) (Typ) 1.15V 1.15V
Current - DC Forward (If) (Max) 50 mA 50 mA
Vce Saturation (Max) 400mV 400mV
Operating Temperature -30°C ~ 100°C -30°C ~ 100°C
Package / Case 8-DIP (0.400", 10.16mm) 8-DIP (0.400", 10.16mm)
Mounting Type Through Hole Through Hole
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The TLP521-2XGRG is a parametric equivalent to the TLP521-2GRG. Both parts are manufactured by Isocom Components 2004 LTD within the TLP521-2 series and maintain identical electrical specifications, timing characteristics, and mechanical compatibility. Both parts carry active product status, ROHS3 compliance, and REACH unaffected certification. Selection between these parts may be based on inventory availability: TLP521-2GRG has 696 units in stock, while TLP521-2XGRG has 855 units in stock. No functional or compliance differences exist between the two parts.

Frequently Asked Questions (FAQ)

Q: Can TLP521-2XGRG replace TLP521-2GRG in existing designs?

A: Yes. The TLP521-2XGRG is a parametric equivalent with identical isolation voltage, channel count, output characteristics, timing specifications, and package configuration. Direct substitution is possible without circuit modification.

Q: Are there any differences in isolation performance between these parts?

A: No. Both parts provide 5300Vrms isolation voltage and are rated for identical operating temperature ranges (-30°C ~ 100°C).

Q: Do both parts meet the same compliance standards?

A: Yes. Both TLP521-2GRG and TLP521-2XGRG are ROHS3 compliant and REACH unaffected, with identical moisture sensitivity levels (MSL 1 - Unlimited).

Q: Is the 8-DIP package identical for both parts?

A: Yes. Both parts use the same 8-DIP (0.400", 10.16mm) through-hole package and are compatible with identical PCB layouts and socket configurations.

Q: What determines substitution eligibility for optoisolator TLP521-2 variants?

A: Substitution requires matching isolation voltage, channel configuration, output type, current transfer ratio range, maximum output voltage and current ratings, package type, operating temperature range, and compliance certifications. All these parameters are identical between TLP521-2GRG and TLP521-2XGRG.

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