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ISP817GRG Equivalent & Substitute Parts
Part Overview
The ISP817GRG is a single-channel optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This component provides galvanic isolation up to 5300Vrms and is designed for DC input applications requiring isolated switching control. The part is currently in active production status with 992 units in stock. Substitute parts are identified based on identical electrical characteristics, mechanical compatibility, and compliance certifications to ensure direct interchangeability in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ISP817GRG |
| Manufacturer | Isocom Components 2004 LTD |
| Category | Optoisolators |
| Series | ISP817 |
| Number of Channels | 1 |
| Voltage - Isolation | 5300Vrms |
| Current Transfer Ratio (Min) | 100% @ 5mA |
| Current Transfer Ratio (Max) | 300% @ 5mA |
| Rise / Fall Time (Typ) | 4µs, 3µs |
| Input Type | DC |
| Output Type | Transistor |
| Voltage - Output (Max) | 80V |
| Current - Output / Channel | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.2V |
| Current - DC Forward (If) (Max) | 50mA |
| Vce Saturation (Max) | 200mV |
| Operating Temperature | -55°C ~ 110°C |
| Package / Case | 4-DIP (0.400", 10.16mm) |
| Mounting Type | Through Hole |
| 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 ISP817GRG are identified within the ISP817 series based on matching all critical electrical and mechanical parameters. The substitution criteria are:
- Identical isolation voltage rating (5300Vrms)
- Matching current transfer ratio specifications (100% to 300% @ 5mA)
- Identical rise and fall time characteristics (4µs, 3µs)
- Same output voltage and current ratings (80V max, 50mA per channel)
- Identical saturation voltage (200mV max)
- Matching operating temperature range (-55°C ~ 110°C)
- Same package type (4-DIP through-hole)
- Equivalent compliance certifications (ROHS3, REACH Unaffected)
All substitute parts maintain the same functional performance and are pin-compatible with identical pinout configurations.
Parameter Comparison
| Parameter | ISP817GRG | ISP817XGR | ISP817XGRG |
|---|---|---|---|
| Voltage - Isolation | 5300Vrms | 5300Vrms | 5300Vrms |
| Number of Channels | 1 | 1 | 1 |
| Current Transfer Ratio (Min) | 100% @ 5mA | 100% @ 5mA | 100% @ 5mA |
| Current Transfer Ratio (Max) | 300% @ 5mA | 300% @ 5mA | 300% @ 5mA |
| Rise / Fall Time (Typ) | 4µs, 3µs | 4µs, 3µs | 4µs, 3µs |
| Input Type | DC | DC | DC |
| Output Type | Transistor | Transistor | Transistor |
| Voltage - Output (Max) | 80V | 80V | 80V |
| Current - Output / Channel | 50mA | 50mA | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.2V | 1.2V | 1.2V |
| Current - DC Forward (If) (Max) | 50mA | 50mA | 50mA |
| Vce Saturation (Max) | 200mV | 200mV | 200mV |
| Operating Temperature | -55°C ~ 110°C | -55°C ~ 110°C | -55°C ~ 110°C |
| Package / Case | 4-DIP (0.400", 10.16mm) | 4-DIP (0.400", 10.16mm) | 4-DIP (0.400", 10.16mm) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active | Active |
| Inventory (Pcs) | 992 | 845 | 1189 |
Engineering Selection Recommendations
All three parts—ISP817GRG, ISP817XGR, and ISP817XGRG—are active production components from Isocom Components 2004 LTD with identical electrical specifications and mechanical compatibility. Selection between these parts is based on availability and supply chain requirements rather than technical performance differences.
ISP817XGRG offers the highest inventory level at 1189 units, followed by ISP817GRG at 992 units and ISP817XGR at 845 units. All parts carry ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for industrial and commercial applications.
Frequently Asked Questions (FAQ)
Q: Are ISP817XGR and ISP817XGRG direct substitutes for ISP817GRG?
A: Yes. All three parts share identical electrical characteristics, isolation ratings, output specifications, and package configurations. They are functionally interchangeable in circuit applications.
Q: Do these parts have the same pinout?
A: Yes. All parts use the 4-DIP package with identical pin assignments and are mechanically compatible for through-hole mounting.
Q: What determines substitutability between these optoisolators?
A: Substitutability is determined by matching isolation voltage (5300Vrms), current transfer ratio range (100-300% @ 5mA), output voltage and current ratings (80V, 50mA), switching time characteristics (4µs rise, 3µs fall), operating temperature range (-55°C to 110°C), and package type (4-DIP through-hole).
Q: Are there compliance differences between the three parts?
A: No. All three parts are ROHS3 compliant and REACH Unaffected, with identical moisture sensitivity levels (MSL 1 - Unlimited).
Q: Can I use these parts interchangeably in existing designs?
A: Yes. The parts are parametrically equivalent and pin-compatible, allowing direct substitution without circuit redesign or board layout modifications.
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