SK008DTP Equivalent & Substitute Parts

Part Overview

The SK008DTP is a 1 kV, 8 A standard recovery SCR manufactured by Littelfuse Inc., housed in a TO-252 (DPAK) surface mount package. This thyristor is designed for applications requiring controlled rectification and switching at moderate voltage and current levels. The part is currently active in production with 718 units in stock. Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining the same package form factor and compliance certifications.

Substiute Parts

SK008DTP

Littelfuse Inc.In Stock: 796SK008DTP Datasheet

Current PartRFQ

SK006DTP

Littelfuse Inc.In Stock: 842SK006DTP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The SK006DTP qualifies as a parametric equivalent to the SK008DTP based on the following criteria:

Matching Parameters:

• Voltage - Off State: 1 kV (identical)
• Voltage - Gate Trigger (Vgt) Max: 1.5 V (identical)
• Current - Gate Trigger (Igt) Max: 15 mA (identical)
• Voltage - On State (Vtm) Max: 1.6 V (identical)
• Current - Hold (Ih) Max: 30 mA (identical)
• Current - Off State Max: 20 µA (identical)
• Operating Temperature Range: -40°C to 125°C (identical)
• Package / Case: TO-252-3, DPAK (identical)
• Mounting Type: Surface Mount (identical)
• SCR Type: Standard Recovery (identical)

Differing Parameter:

• Current - On State (It RMS) Max: 6 A (SK006DTP) versus 8 A (SK008DTP)

The SK006DTP operates at a lower maximum on-state RMS current rating. This substitution is valid only in applications where the required current does not exceed 6 A RMS. All other electrical characteristics, thermal performance, and package specifications remain equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the SK008DTP and SK006DTP are active production parts manufactured by Littelfuse Inc. with identical RoHS3 compliance and REACH unaffected status. Both devices carry MSL Level 1 (Unlimited) moisture sensitivity classification, indicating no special moisture handling requirements during storage or assembly.

Selection between these parts depends solely on application current requirements. The SK008DTP supports continuous on-state RMS currents up to 8 A, while the SK006DTP is rated for 6 A RMS maximum. For applications requiring current handling above 6 A RMS, the SK008DTP is the appropriate selection. For applications with maximum current requirements at or below 6 A RMS, either part may be used; the SK006DTP may offer cost or availability advantages in such cases.

Frequently Asked Questions (FAQ)

Q: Can SK006DTP replace SK008DTP in all applications?

A: No. The SK006DTP has a lower maximum on-state RMS current rating of 6 A compared to the SK008DTP's 8 A rating. Substitution is valid only when application current requirements do not exceed 6 A RMS. Exceeding this limit will cause the SK006DTP to operate outside its rated specifications.

Q: Are the gate trigger characteristics identical between these parts?

A: Yes. Both parts have identical gate trigger voltage (Vgt) of 1.5 V maximum and gate trigger current (Igt) of 15 mA maximum. Gate drive circuits designed for the SK008DTP will function identically with the SK006DTP.

Q: Do these parts use the same package and mounting process?

A: Yes. Both the SK008DTP and SK006DTP use the TO-252-3 (DPAK) surface mount package with identical lead configuration and thermal characteristics. PCB layouts and reflow profiles remain unchanged between parts.

Q: What is the difference in average on-state current between these parts?

A: The SK008DTP supports 5.1 A average on-state current (It AV), while the SK006DTP supports 3.8 A average on-state current. This difference reflects the lower overall current rating of the SK006DTP.

Q: Are compliance certifications identical?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL Level 1 (Unlimited) moisture sensitivity classification. No additional handling or compliance considerations apply when substituting between these parts.