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S6008DS2TP Equivalent & Substitute Parts
Part Overview
The S6008DS2TP is a 600V 8A Sensitive Gate SCR manufactured by Littelfuse Inc. in TO-252 (DPAK) surface mount packaging. This thyristor is designed for applications requiring controlled gate triggering with low gate current requirements. The part is currently active and in stock with 771 units available.
Substitute parts are necessary when the original part becomes unavailable, when alternative packaging formats are required, or when design specifications allow for compatible alternatives with enhanced performance characteristics such as higher current ratings or improved temperature operating ranges.
Substiute Parts
Key Parameters
| Parameter | S6008DS2TP |
|---|---|
| Voltage - Off State | 600 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 µA |
| Voltage - On State (Vtm) (Max) | 1.6 V |
| Current - On State (It (RMS)) (Max) | 8 A |
| Current - Hold (Ih) (Max) | 6 mA |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40°C ~ 110°C |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the S6008DS2TP is determined by the following critical parameters:
Mandatory Compatibility Parameters:
- Voltage - Off State: 600 V (exact match required)
- Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63 (exact match required)
- Mounting Type: Surface Mount (exact match required)
- SCR Type: Sensitive Gate (exact match required for gate-sensitive applications)
Allowable Variation Parameters:
- Current - On State (It (RMS)): Equal to or greater than 8 A
- Voltage - Gate Trigger (Vgt) (Max): Equal to or less than 800 mV
- Current - Gate Trigger (Igt) (Max): Equal to or less than 200 µA
- Operating Temperature: Equal to or greater than -40°C ~ 110°C range
- Current - Hold (Ih) (Max): Equal to or less than 6 mA
Substitute parts meeting these criteria maintain functional compatibility while potentially offering improved performance margins or enhanced availability.
Parameter Comparison
| Parameter | S6008DS2TP | MCR8DSMT4G | MCR8DCMT4G | TS1220-600B | TN805-600B-TR |
|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | STMicroelectronics | STMicroelectronics |
| Voltage - Off State | 600 V | 600 V | 600 V | 600 V | 600 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV | 1 V | 1 V | 800 mV | 1.3 V |
| Current - Gate Trigger (Igt) (Max) | 200 µA | 200 µA | 15 µA | 200 µA | 5 mA |
| Voltage - On State (Vtm) (Max) | 1.6 V | 1.8 V | 1.8 V | 1.6 V | 1.6 V |
| Current - On State (It (RMS)) (Max) | 8 A | 8 A | 8 A | 12 A | 8 A |
| Current - Hold (Ih) (Max) | 6 mA | 6 mA | 30 mA | 5 mA | 25 mA |
| SCR Type | Sensitive Gate | Sensitive Gate | Standard Recovery | Sensitive Gate | Standard Recovery |
| Operating Temperature | -40°C ~ 110°C | -40°C ~ 110°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Package / Case | TO-252-3, DPAK | TO-252-3, DPAK | TO-252-3, DPAK | TO-252-3, DPAK | TO-252-3, DPAK |
| Packaging Format | Tube | Tape & Reel (TR) | Tape & Reel (TR) | Tube | Tape & Reel (TR) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Inventory (Pcs) | 771 | 9458 | 10400 | 2380 | 3984 |
Engineering Selection Recommendations
Direct Substitutes (Sensitive Gate, 8A Rating):
MCR8DSMT4G and TS1220-600B are the primary direct substitutes for the S6008DS2TP. Both maintain Sensitive Gate SCR type classification and 8A RMS current rating. MCR8DSMT4G is available in higher volume (9458 units) in Tape & Reel packaging. TS1220-600B offers extended operating temperature range (-40°C ~ 125°C) and is available in Tube packaging. Both are ROHS3 compliant.
Alternative Substitutes (Sensitive Gate, Higher Current):
MCR12DSMT4G provides 12A RMS current capacity while maintaining Sensitive Gate characteristics and 600V rating. This part offers performance margin for applications with potential current transients. Operating temperature range is -40°C ~ 110°C, matching the original part. Inventory availability is 16735 units in Tape & Reel format.
Standard Recovery Alternatives:
MCR8DCMT4G and TN805-600B-TR are Standard Recovery SCR types with 8A RMS rating. These parts are not direct substitutes due to SCR type difference but are compatible for applications not requiring Sensitive Gate characteristics. Both offer extended operating temperature range (-40°C ~ 125°C). MCR8DCMT4G has higher inventory (10400 units) compared to TN805-600B-TR (3984 units).
Higher Current Standard Recovery Options:
TN1215-600B and TN1215-600B-TR provide 12A RMS capacity with Standard Recovery characteristics. TN1215-600B (Tube packaging) has exceptional inventory availability (103100 units). TN1215-600B-TR (Tape & Reel) provides 22775 units. Both support extended temperature range (-40°C ~ 125°C).
TN1515-600B-TR offers 15A RMS capacity for applications requiring additional current margin, with 11247 units available in Tape & Reel format.
All recommended substitutes maintain TO-252 DPAK surface mount packaging, ROHS3 compliance, and 600V off-state voltage rating.
Frequently Asked Questions (FAQ)
Q: Can MCR8DCMT4G replace S6008DS2TP directly?
A: MCR8DCMT4G is mechanically and electrically compatible in TO-252 DPAK packaging and 600V rating. However, it is a Standard Recovery SCR type, whereas S6008DS2TP is Sensitive Gate. Substitution is valid only if the application does not require Sensitive Gate triggering characteristics. Gate trigger current (Igt) is significantly lower in MCR8DCMT4G (15 µA vs. 200 µA), which may affect circuit behavior.
Q: What is the difference between Sensitive Gate and Standard Recovery SCR types?
A: Sensitive Gate SCRs require lower gate trigger current (Igt) and voltage (Vgt) for activation, making them suitable for low-power gate drive circuits. Standard Recovery SCRs require higher gate trigger parameters but typically offer faster switching characteristics. Selection depends on gate drive circuit design and application requirements.
Q: Can I use TN1215-600B instead of S6008DS2TP?
A: TN1215-600B is compatible in TO-252 DPAK packaging and 600V rating. However, it is rated for 12A RMS (vs. 8A) and is a Standard Recovery type (vs. Sensitive Gate). The higher current rating provides design margin but does not affect compatibility. Gate trigger requirements differ significantly, requiring circuit evaluation.
Q: What packaging formats are available for substitutes?
A: Substitutes are available in Tube and Tape & Reel (TR) packaging formats. S6008DS2TP is supplied in Tube. Tape & Reel format (MCR8DSMT4G, MCR8DCMT4G, TN805-600B-TR, TN1215-600B-TR, TN1515-600B-TR) is standard for high-volume production. Tube format (TS1220-600B, TN1215-600B) is available for lower-volume requirements.
Q: Are all substitutes ROHS3 compliant?
A: All recommended substitutes are ROHS3 compliant, matching the original S6008DS2TP specification.
Q: What is the operating temperature range difference?
A: S6008DS2TP operates from -40°C to 110°C. Several substitutes (MCR8DCMT4G, TS1220-600B, TN805-600B-TR, TN1215-600B, TN1215-600B-TR, TN1515-600B-TR) extend the upper limit to 125°C, providing wider thermal operating margin for high-temperature applications.
Q: Which substitute has the best inventory availability?
A: TN1215-600B (Tube packaging) has the highest inventory at 103100 units. For Tape & Reel format, TN1215-600B-TR provides 22775 units and MCR12DSMT4G provides 16735 units.
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