VS-25TTS08STRR-M3 Equivalent & Substitute Parts

Part Overview

The VS-25TTS08STRR-M3 is a silicon-controlled rectifier (SCR) rated for 800V off-state voltage and 25A RMS on-state current in a surface mount TO-263AB (D2PAK) package. This thyristor is classified as standard recovery type and is supplied in Tape & Reel packaging. The part is Active status and ROHS3 compliant, making it suitable for industrial switching and power control applications requiring high voltage and moderate current handling.

Alternative part numbers within the same electrical and mechanical specification set are available to accommodate different packaging formats and inventory availability across supply channels.

Key Parameters

Parameter	Value	Unit
Voltage - Off State	800	V
Voltage - Gate Trigger (Vgt) Max	2	V
Current - Gate Trigger (Igt) Max	45	mA
Voltage - On State (Vtm) Max	1.25	V
Current - On State (It RMS) Max	25	A
Current - Hold (Ih) Max	150	mA
Current - Off State Max	10	mA
Current - Non Rep. Surge (50/60Hz)	350	A @ 50Hz
Operating Temperature Range	-40 to 125	°C
Package / Case	TO-263-3, D2PAK	—
Mounting Type	Surface Mount	—
SCR Type	Standard Recovery	—

Substitute Part Grouping Explanation

Substitution eligibility for the VS-25TTS08STRR-M3 is determined by strict electrical and mechanical parameter matching:

Electrical Parameters (Must Match Exactly):

Off-state voltage: 800V
Gate trigger voltage (Vgt) maximum: 2V
Gate trigger current (Igt) maximum: 45mA
On-state voltage (Vtm) maximum: 1.25V
On-state current (It RMS) maximum: 25A
Hold current (Ih) maximum: 150mA
Off-state current maximum: 10mA
Non-repetitive surge current: 350A @ 50Hz
Operating temperature range: -40°C to 125°C
SCR type: Standard Recovery

Mechanical Parameters (Must Match Exactly):

Package: TO-263-3, D2PAK (2 Leads + Tab)
Mounting type: Surface Mount
Supplier device package: TO-263AB (D2PAK)

Allowed Variation:

Packaging format: Tape & Reel (TR) or Tube
Manufacturer: Vishay General Semiconductor - Diodes Division (all substitutes)

The substitute parts VS-25TTS08S-M3 and VS-25TTS08STRL-M3 meet all electrical and mechanical requirements. The primary difference is packaging format: VS-25TTS08S-M3 is supplied in Tube format, while VS-25TTS08STRL-M3 is supplied in Tape & Reel format identical to the main part.

Parameter Comparison

Parameter	VS-25TTS08STRR-M3	VS-25TTS08S-M3	VS-25TTS08STRL-M3
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - Off State	800V	800V	800V
Voltage - Gate Trigger (Vgt) Max	2V	2V	2V
Current - Gate Trigger (Igt) Max	45mA	45mA	45mA
Voltage - On State (Vtm) Max	1.25V	1.25V	1.25V
Current - On State (It RMS) Max	25A	25A	25A
Current - Hold (Ih) Max	150mA	150mA	150mA
Current - Off State Max	10mA	10mA	10mA
Current - Non Rep. Surge 50/60Hz	350A @ 50Hz	350A @ 50Hz	350A @ 50Hz
Operating Temperature	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount
SCR Type	Standard Recovery	Standard Recovery	Standard Recovery
Packaging Format	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three part numbers—VS-25TTS08STRR-M3, VS-25TTS08S-M3, and VS-25TTS08STRL-M3—are electrically and mechanically identical and carry Active product status. All are ROHS3 compliant, REACH unaffected, and rated MSL 1 (unlimited moisture sensitivity level).

Selection between these parts is determined by packaging and supply requirements:

VS-25TTS08STRR-M3: Tape & Reel format. Suitable for automated assembly processes and high-volume production runs.
VS-25TTS08S-M3: Tube format. Suitable for manual assembly, lower-volume applications, or when Tape & Reel format is unavailable.
VS-25TTS08STRL-M3: Tape & Reel format. Functionally equivalent to VS-25TTS08STRR-M3 with identical packaging format.

All parts are manufactured by Vishay General Semiconductor - Diodes Division and meet identical electrical specifications for 800V off-state voltage, 25A RMS on-state current, and standard recovery SCR operation.

Frequently Asked Questions (FAQ)

Q: Can VS-25TTS08S-M3 (Tube) be used in place of VS-25TTS08STRR-M3 (Tape & Reel)?

A: Yes, electrically and mechanically. The difference is packaging format only. Tube packaging is suitable for manual assembly or lower-volume applications. Automated pick-and-place assembly typically requires Tape & Reel format.

Q: Are all three parts identical in electrical performance?

A: Yes. All three parts share identical electrical specifications: 800V off-state voltage, 2V maximum gate trigger voltage, 45mA maximum gate trigger current, 1.25V maximum on-state voltage, 25A RMS on-state current, 150mA maximum hold current, 10mA maximum off-state current, and 350A non-repetitive surge current at 50Hz.

Q: What is the difference between VS-25TTS08STRL-M3 and VS-25TTS08STRR-M3?

A: Both are supplied in Tape & Reel format with identical electrical and mechanical specifications. They are direct equivalents.

Q: Are these parts suitable for my 800V application?

A: All three parts are rated for 800V off-state voltage and are suitable for applications within this voltage specification. Verify that your application current requirements do not exceed 25A RMS on-state current and that operating temperature remains within -40°C to 125°C.

Q: What is the TO-263AB (D2PAK) package?

A: TO-263-3 (D2PAK) is a surface mount package with 2 leads plus a tab for thermal management. All three parts use this identical package configuration.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected.

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