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TLP521-2GR Equivalent & Substitute Parts
Part Overview
The TLP521-2GR 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 5437 units available in inventory. Substitute parts are identified when packaging or supplier configurations differ while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | TLP521-2GR |
| Manufacturer | Isocom Components 2004 LTD |
| Category | Optoisolators |
| Series | TLP521-2 |
| 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 (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
The TLP521-2GR has one identified parametric equivalent: TLP521-2XGR. Both parts belong to the TLP521-2 series and share identical electrical specifications across all critical parameters that determine functional compatibility:
- Isolation voltage: 5300Vrms
- Number of channels: 2
- Current transfer ratio range: 100% to 300% @ 1mA
- Output type: Transistor
- Maximum output voltage: 55V
- Maximum output current per channel: 50mA
- Vce saturation: 400mV maximum
- Operating temperature range: -30°C to 100°C
- Package type: 8-DIP (0.300", 7.62mm)
- Mounting type: Through Hole
The substitution is valid based on identical electrical performance and mechanical compatibility. The difference between these parts is limited to packaging configuration (tube vs. standard packaging) and inventory source.
Parameter Comparison
| Parameter | TLP521-2GR | TLP521-2XGR |
|---|---|---|
| Manufacturer Part Number | TLP521-2GR | TLP521-2XGR |
| 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 |
| 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 (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both TLP521-2GR and TLP521-2XGR are active production parts from Isocom Components 2004 LTD with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on:
- Availability and lead time requirements
- Packaging format preference (standard vs. tube)
- Inventory levels at your supplier
- Cost considerations based on current market pricing
Both parts meet identical electrical and mechanical specifications and are suitable for direct substitution in applications requiring dual-channel optoisolation at 5300Vrms with transistor output configuration.
Frequently Asked Questions (FAQ)
Q: Can TLP521-2XGR be used as a direct replacement for TLP521-2GR?
A: Yes. Both parts are electrically and mechanically identical. They share the same isolation voltage (5300Vrms), channel count (2), current transfer ratio range (100-300% @ 1mA), output specifications (55V maximum, 50mA per channel), and 8-DIP through-hole package. The difference is limited to packaging configuration.
Q: What are the key parameters that determine substitution eligibility?
A: Substitution is valid when the following parameters match: isolation voltage, number of channels, current transfer ratio specifications, output type (transistor), maximum output voltage, maximum output current per channel, Vce saturation rating, operating temperature range, and physical package dimensions (8-DIP 0.300" / 7.62mm).
Q: Are there any compliance or certification differences between these parts?
A: No. Both TLP521-2GR and TLP521-2XGR carry identical compliance certifications: ROHS3 compliant, REACH unaffected, and active product status.
Q: What is the significance of the packaging difference?
A: The packaging difference (standard vs. tube) affects handling, storage, and automated assembly compatibility. Tube packaging is typically used for high-volume automated pick-and-place operations, while standard packaging may be used for manual assembly or lower-volume applications. Electrical performance is unaffected.
Q: Are both parts currently available?
A: Both parts are in active production. TLP521-2GR has 5437 units in inventory, and TLP521-2XGR has 1065 units in inventory. Availability may vary by supplier and time of inquiry.
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