S6006DRP Equivalent & Substitute Parts

Part Overview

The S6006DRP is a 600V, 6A standard recovery SCR manufactured by Littelfuse Inc. in TO-252 (DPAK) surface mount packaging. This thyristor is designed for general-purpose switching and control applications requiring 600V blocking capability with 6A RMS current handling. The part is active, RoHS3 compliant, and maintains unlimited moisture sensitivity level (MSL 1). Substitute parts are identified to address application requirements for higher current ratings, alternative gate sensitivity characteristics, or packaging format preferences while maintaining electrical compatibility within the 600V class.

Key Parameters

Parameter	S6006DRP Value	Unit
Voltage - Off State	600	V
Current - On State (It RMS)	6	A
Voltage - Gate Trigger (Vgt) Max	1.5	V
Current - Gate Trigger (Igt) Max	15	mA
Voltage - On State (Vtm) Max	1.6	V
Current - Hold (Ih) Max	30	mA
SCR Type	Standard Recovery	—
Operating Temperature	-40 to 125	°C
Package / Case	TO-252-3 DPAK	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the S6006DRP is determined by the following criteria:

Mandatory Compatibility Parameters:

Voltage - Off State: 600V (all substitutes must match)
Package / Case: TO-252-3 DPAK (all substitutes must match)
Mounting Type: Surface Mount (all substitutes must match)
Operating Temperature Range: -40°C to 125°C minimum (all substitutes must support)

Current Rating Flexibility:

Current - On State (It RMS) may be equal to or greater than 6A
Higher current ratings provide design margin and are electrically compatible

Gate Sensitivity Options:

Standard Recovery SCR type: Gate trigger parameters (Vgt, Igt) may vary within manufacturer specifications
Sensitive Gate SCR type: Lower gate trigger current (200 µA vs. 15 mA) for reduced gate drive requirements

Packaging Format:

Tape & Reel (TR) and Tube packaging are interchangeable for the same electrical part
Cut Tape (CT) & Digi-Reel® is compatible with same electrical specifications

Substitutes are grouped by current rating (6A, 8A, 12A, 15A) and gate type (Standard Recovery, Sensitive Gate), with cross-manufacturer options from STMicroelectronics and Littelfuse Inc.

Parameter Comparison

Part Number	Manufacturer	It (RMS) A	Vgt Max V	Igt Max	Vtm Max V	SCR Type	Temp Range °C	Packaging
S6006DRP	Littelfuse	6	1.5	15 mA	1.6	Standard Recovery	-40 to 125	TR
MCR8DCMT4G	Littelfuse	8	1	15 µA	1.8	Standard Recovery	-40 to 125	TR
MCR8DSMT4G	Littelfuse	8	1	200 µA	1.8	Sensitive Gate	-40 to 110	TR
MCR12DCMT4G	Littelfuse	12	1	20 mA	1.9	Standard Recovery	-40 to 125	TR
MCR12DSMT4G	Littelfuse	12	1	200 µA	1.9	Sensitive Gate	-40 to 110	TR
TN805-600B-TR	STMicroelectronics	8	1.3	5 mA	1.6	Standard Recovery	-40 to 125	TR
TN1205T-600B-TR	STMicroelectronics	12	1.3	5 mA	1.6	Standard Recovery	-40 to 125	CT & Digi-Reel
TN1215-600B	STMicroelectronics	12	1.3	15 mA	1.6	Standard Recovery	-40 to 125	Tube
TN1215-600B-TR	STMicroelectronics	12	1.3	15 mA	1.6	Standard Recovery	-40 to 125	TR
TN1515-600B-TR	STMicroelectronics	15	1.3	15 mA	1.6	Standard Recovery	-40 to 125	TR
TS1220-600B	STMicroelectronics	12	0.8	200 µA	1.6	Sensitive Gate	-40 to 125	Tube

Engineering Selection Recommendations

Direct Substitution (Same Current Rating - 6A): No direct 6A equivalent substitutes are listed. The S6006DRP remains the primary selection for 6A applications.

Upgrade Path (Higher Current Ratings): MCR8DCMT4G and TN805-600B-TR provide 8A capability with identical 600V blocking voltage and TO-252 DPAK packaging. These are suitable where design margin for current is required.

MCR12DCMT4G, TN1215-600B, TN1215-600B-TR, and TN1205T-600B-TR provide 12A capability. TN1215-600B-TR offers the highest inventory (22,775 pcs) among 12A standard recovery options.

TN1515-600B-TR provides 15A capability for applications requiring maximum current headroom within the 600V class.

Sensitive Gate Option: MCR8DSMT4G and MCR12DSMT4G (Littelfuse) and TS1220-600B (STMicroelectronics) feature sensitive gate characteristics (200 µA gate trigger current vs. 15 mA standard). These reduce gate drive circuit complexity and power consumption. Operating temperature maximum is 110°C for Littelfuse sensitive gate variants.

Compliance & Certification: All listed substitutes maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity. STMicroelectronics parts show REACH Unaffected status; Littelfuse parts vary between REACH Affected and Unaffected. Verify REACH compliance requirements for your application.

Packaging Format: Tape & Reel (TR) packaging is standard for automated assembly. Tube packaging (TN1215-600B, TS1220-600B) is suitable for manual or lower-volume assembly. Cut Tape & Digi-Reel (TN1205T-600B-TR) accommodates specific feeder requirements.

Frequently Asked Questions (FAQ)

Q: Can I use an 8A or 12A SCR in place of the 6A S6006DRP?

A: Yes. Higher current-rated SCRs (MCR8DCMT4G, TN805-600B-TR for 8A; MCR12DCMT4G, TN1215-600B-TR for 12A) are electrically compatible substitutes. They maintain the same 600V blocking voltage, TO-252 DPAK package, and surface mount configuration. Higher current ratings provide design margin without affecting circuit operation at 6A load levels.

Q: What is the difference between Standard Recovery and Sensitive Gate SCR types?

A: Standard Recovery SCRs require higher gate trigger current (typically 15 mA or higher) to turn on. Sensitive Gate SCRs require only 200 µA gate trigger current, reducing gate drive circuit power and complexity. Both types are electrically compatible at the same voltage and current ratings. Sensitive Gate variants (MCR8DSMT4G, MCR12DSMT4G, TS1220-600B) are suitable where gate drive simplification is beneficial.

Q: Are Littelfuse and STMicroelectronics parts interchangeable?

A: Yes, within the specified electrical parameters. Both manufacturers produce 600V SCRs in TO-252 DPAK packaging with compatible voltage and current ratings. Verify gate trigger parameters (Vgt, Igt) match your gate drive circuit design. STMicroelectronics parts (TN series) generally feature lower gate trigger voltage (1.3V vs. 1.5V for S6006DRP).

Q: Does packaging format (Tape & Reel vs. Tube) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly process compatibility. Tape & Reel (TR) is standard for automated pick-and-place assembly. Tube packaging is suitable for manual assembly or lower-volume production. Electrical specifications remain identical across packaging formats for the same part number base.

Q: What is the operating temperature difference between standard and sensitive gate variants?

A: Littelfuse sensitive gate SCRs (MCR8DSMT4G, MCR12DSMT4G) operate to 110°C maximum, while standard recovery variants operate to 125°C. STMicroelectronics sensitive gate SCR (TS1220-600B) operates to 125°C. Verify your application's thermal requirements before selecting sensitive gate variants with 110°C maximum rating.

Q: Can I substitute across different current ratings (6A to 12A) without circuit redesign?

A: Yes, for most applications. Higher current-rated SCRs operate identically at lower current levels. However, verify that gate drive circuit parameters (Vgt, Igt) are compatible with your design. MCR12DCMT4G requires 20 mA gate trigger current (vs. 15 mA for S6006DRP), which may require minor gate drive adjustment. STMicroelectronics TN1215-600B-TR requires only 15 mA, matching the original specification.

Q: Which substitute offers the best inventory availability?

A: TN1215-600B (STMicroelectronics, Tube packaging) has the highest inventory at 103,100 pcs. TN1215-600B-TR (Tape & Reel) has 22,775 pcs. MCR12DSMT4G (Littelfuse, Sensitive Gate) has 16,735 pcs. Verify current stock levels with your supplier for production scheduling.

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