S6006DTP Equivalent & Substitute Parts

Part Overview

The S6006DTP is a 600V, 6A standard recovery SCR (silicon-controlled rectifier) manufactured by Littelfuse Inc. in TO-252 (DPAK) surface mount packaging. This thyristor is designed for general-purpose switching and control applications requiring reliable gate triggering and thermal performance across industrial temperature ranges. The part is active, RoHS3 compliant, and available in tube packaging with 987 pieces in current stock.

Substitute parts are identified when design requirements permit higher current ratings, alternative gate sensitivity characteristics, or different packaging formats while maintaining the 600V blocking voltage and TO-252 form factor.

Key Parameters

Parameter	S6006DTP 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 Range	-40 to 125	°C
Package / Case	TO-252-3 DPAK	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility 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)
RoHS Status: ROHS3 Compliant (all substitutes must match)

Allowable Variation Parameters:

Current - On State (It RMS): May be equal to or greater than 6A
SCR Type: May be Standard Recovery or Sensitive Gate
Gate Trigger characteristics (Vgt, Igt): May vary within manufacturer specifications
Voltage - On State (Vtm): May vary within manufacturer specifications
Operating Temperature Range: May be equal to or narrower than -40°C to 125°C
Packaging Format: Tube, Tape & Reel (TR), or Cut Tape (CT) formats are interchangeable

Identified Substitute Parts:

Higher Current Rating (8A to 15A RMS):

MCR12DCMT4G (Littelfuse, 12A, Standard Recovery)
MCR12DSMT4G (Littelfuse, 12A, Sensitive Gate)
MCR8DCMT4G (Littelfuse, 8A, Standard Recovery)
TN1205T-600B-TR (STMicroelectronics, 12A, Standard Recovery)
TN1215-600B (STMicroelectronics, 12A, Standard Recovery)
TN1215-600B-TR (STMicroelectronics, 12A, Standard Recovery)
TN1515-600B-TR (STMicroelectronics, 15A, Standard Recovery)
TN805-600B-TR (STMicroelectronics, 8A, Standard Recovery)
TS1220-600B (STMicroelectronics, 12A, Sensitive Gate)
TS420-600B-TR (STMicroelectronics, 4A, Sensitive Gate)

Parameter Comparison

Part Number	Manufacturer	Voltage Off State (V)	It RMS (A)	Vgt Max (V)	Igt Max (mA)	Vtm Max (V)	SCR Type	Temp Range (°C)	Packaging
S6006DTP	Littelfuse	600	6	1.5	15	1.6	Standard Recovery	-40 to 125	Tube
MCR12DCMT4G	Littelfuse	600	12	1	20	1.9	Standard Recovery	-40 to 125	Tape & Reel
MCR12DSMT4G	Littelfuse	600	12	1	0.2	1.9	Sensitive Gate	-40 to 110	Tape & Reel
MCR8DCMT4G	Littelfuse	600	8	1	0.015	1.8	Standard Recovery	-40 to 125	Tape & Reel
TN1205T-600B-TR	STMicroelectronics	600	12	1.3	5	1.6	Standard Recovery	-40 to 125	Cut Tape
TN1215-600B	STMicroelectronics	600	12	1.3	15	1.6	Standard Recovery	-40 to 125	Tube
TN1215-600B-TR	STMicroelectronics	600	12	1.3	15	1.6	Standard Recovery	-40 to 125	Tape & Reel
TN1515-600B-TR	STMicroelectronics	600	15	1.3	15	1.6	Standard Recovery	-40 to 125	Tape & Reel
TN805-600B-TR	STMicroelectronics	600	8	1.3	5	1.6	Standard Recovery	-40 to 125	Tape & Reel
TS1220-600B	STMicroelectronics	600	12	0.8	0.2	1.6	Sensitive Gate	-40 to 125	Tube
TS420-600B-TR	STMicroelectronics	600	4	0.8	0.2	1.6	Sensitive Gate	-40 to 125	Cut Tape

Engineering Selection Recommendations

Direct Substitutes (Same Current Rating, 6A): No direct 6A equivalents are available in the provided substitute list. The S6006DTP remains the primary selection for 6A applications.

Uprated Substitutes (Higher Current Capacity): When circuit design permits higher current handling, the following parts provide direct substitution with enhanced current capacity:

MCR8DCMT4G and TN805-600B-TR both provide 8A RMS capability in standard recovery configuration, maintaining the same 600V blocking voltage and TO-252 package. These are suitable for designs with 8A or lower current requirements.

MCR12DCMT4G, TN1205T-600B-TR, TN1215-600B, and TN1215-600B-TR all provide 12A RMS capability in standard recovery configuration. TN1215-600B and TN1215-600B-TR are available in high inventory (103,100 and 22,775 units respectively) and match the S6006DTP gate trigger current specification at 15mA maximum.

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

Sensitive Gate Alternatives: MCR12DSMT4G, TS1220-600B, and TS420-600B-TR employ sensitive gate technology with reduced gate trigger current (0.2mA maximum). These are suitable only when circuit design specifically requires lower gate drive requirements. MCR12DSMT4G operates to 110°C maximum, narrower than the standard 125°C range.

Compliance and Availability: All substitute parts maintain ROHS3 compliance and MSL-1 moisture sensitivity rating. All are active products with current manufacturing status. Inventory levels vary; TN1215-600B offers the highest stock availability at 103,100 units.

Frequently Asked Questions (FAQ)

Q: Can I use a higher current-rated SCR as a substitute for the S6006DTP?

A: Yes, provided the blocking voltage (600V), package type (TO-252 DPAK), and mounting method (surface mount) remain identical. Higher current ratings do not affect circuit compatibility when the gate drive circuit remains unchanged. Verify that the substitute part's gate trigger specifications (Vgt, Igt) are compatible with your gate drive circuit.

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

A: Standard Recovery SCRs require higher gate trigger current (typically 5-20mA) for reliable switching. Sensitive Gate SCRs require significantly lower gate trigger current (typically 0.2mA or less). Selection depends on your gate drive circuit capability. Do not substitute a Sensitive Gate part for Standard Recovery without confirming your gate drive circuit can supply the lower current requirement.

Q: Are Tube, Tape & Reel, and Cut Tape packaging formats interchangeable?

A: Yes, for component-level substitution. All three formats contain identical die and lead configurations in TO-252 DPAK. Packaging format selection depends on your assembly process and volume requirements. Tube packaging suits lower volumes and manual assembly; Tape & Reel and Cut Tape suit automated pick-and-place assembly.

Q: Can I substitute TN1215-600B-TR (Tape & Reel) for S6006DTP (Tube)?

A: Yes. Both parts are 600V, 12A standard recovery SCRs in TO-252 DPAK with identical electrical characteristics at the 6A operating point. The only difference is packaging format. Verify your assembly equipment can process Tape & Reel format.

Q: What does ROHS3 Compliant mean for SCR selection?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitutes maintain ROHS3 compliance, ensuring regulatory compatibility with your application.

Q: Why would I choose MCR8DCMT4G over TN1215-600B-TR if both are available?

A: MCR8DCMT4G provides 8A capacity (intermediate between 6A and 12A), reducing thermal stress compared to 12A parts in lower-current applications. TN1215-600B-TR provides 12A capacity with significantly higher inventory availability (22,775 units). Selection depends on thermal design requirements and supply chain priorities.

Q: Is the operating temperature range important for substitution?

A: Yes. The S6006DTP operates from -40°C to 125°C. Most substitutes match this range. MCR12DSMT4G operates only to 110°C maximum. If your application requires operation above 110°C, MCR12DSMT4G is not suitable.

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