S2065JTP Equivalent & Substitute Parts

Part Overview

The S2065JTP is a 200V 65A Standard Recovery SCR (Silicon Controlled Rectifier) in TO-218X isolated package manufactured by Littelfuse Inc. This thyristor is designed for through-hole mounting applications requiring controlled rectification and switching at 200V off-state voltage with 65A RMS current capability. The S2065JTP is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Voltage - Off State	200 V
Current - On State (It (RMS)) (Max)	65 A
Voltage - On State (Vtm) (Max)	1.8 V
Voltage - Gate Trigger (Vgt) (Max)	2 V
Current - Gate Trigger (Igt) (Max)	50 mA
Current - Hold (Ih) (Max)	80 mA
Operating Temperature Range	-40°C to 125°C
Package / Case	TO-218X-3 Isolated Tab
Mounting Type	Through Hole
SCR Type	Standard Recovery

Substitute Part Grouping Explanation

Substitution for the S2065JTP is determined by the following criteria:

Mandatory Compatibility Parameters:

SCR Type: Standard Recovery (must match)
Package / Case: TO-218X-3 Isolated Tab (must match)
Mounting Type: Through Hole (must match)
Gate Trigger Voltage (Vgt) (Max): 2 V (must match)
Current - Gate Trigger (Igt) (Max): 50 mA (must match)
Voltage - On State (Vtm) (Max): 1.8 V (must match)
Current - Hold (Ih) (Max): 80 mA (must match)
Operating Temperature Range: -40°C to 125°C (must match)

Allowable Variation Parameters:

Voltage - Off State: Higher voltage ratings are acceptable for applications requiring 200V operation
Current - On State (It (RMS)) (Max): 65A minimum required; higher ratings acceptable
Current - Non Rep. Surge: Higher surge current ratings acceptable

The substitute parts S4065JTP and S6065JTP maintain identical gate control characteristics, thermal performance, and package specifications while offering higher off-state voltage ratings (400V and 600V respectively). Both substitutes retain the 65A RMS current capability and are suitable for circuits designed for the S2065JTP where voltage headroom is not a constraint.

Parameter Comparison

Parameter	S2065JTP	S4065JTP	S6065JTP
Manufacturer	Littelfuse Inc.	Littelfuse	Littelfuse Inc.
Product Status	Obsolete	Active	Active
Voltage - Off State	200 V	400 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	2 V	2 V	2 V
Current - Gate Trigger (Igt) (Max)	50 mA	50 mA	50 mA
Voltage - On State (Vtm) (Max)	1.8 V	1.8 V	1.8 V
Current - On State (It (RMS)) (Max)	65 A	65 A	65 A
Current - Hold (Ih) (Max)	80 mA	80 mA	80 mA
Current - Off State (Max)	20 µA	20 µA	20 µA
Current - Non Rep. Surge 50, 60Hz (Itsm)	800A, 950A	800A, 950A	800A, 950A
SCR Type	Standard Recovery	Standard Recovery	Standard Recovery
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-218X-3 Isolated Tab	TO-218X-3 Isolated Tab	TO-218X-3 Isolated Tab
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.30.0080	8541.30.0080	8541.30.0080

Engineering Selection Recommendations

S4065JTP (400V Rating): This substitute is recommended for applications where the S2065JTP is obsolete and 200V off-state voltage is the design requirement. The S4065JTP provides higher voltage margin while maintaining identical gate control, on-state voltage, and current ratings. Active product status ensures long-term availability and supply chain continuity. ROHS3 compliance and EAR99 classification match the original part.

S6065JTP (600V Rating): This substitute is suitable for applications requiring maximum voltage headroom or where 600V operation is specified. The S6065JTP maintains all electrical characteristics identical to S4065JTP with the exception of off-state voltage. Active product status and full compliance certifications (ROHS3, REACH Unaffected) support production deployment. Higher voltage rating provides design flexibility for future circuit revisions.

Both substitutes are electrically and mechanically compatible with the S2065JTP in TO-218X isolated package applications. Selection between S4065JTP and S6065JTP depends on circuit voltage requirements and available supply inventory.

Frequently Asked Questions (FAQ)

Q: Can S4065JTP or S6065JTP be used as direct replacements for S2065JTP?

A: Yes. Both substitutes maintain identical gate trigger voltage, gate trigger current, on-state voltage, hold current, operating temperature range, and package specifications. The higher off-state voltage ratings (400V and 600V) are compatible with 200V circuit designs.

Q: What is the primary difference between the three parts?

A: The off-state voltage rating is the primary difference. S2065JTP is rated 200V, S4065JTP is rated 400V, and S6065JTP is rated 600V. All other electrical and mechanical parameters are identical.

Q: Are there any thermal or current handling differences?

A: No. All three parts have identical RMS current ratings (65A), on-state voltage (1.8V max), gate control parameters, and operating temperature range (-40°C to 125°C).

Q: Why is the S2065JTP obsolete?

A: The S2065JTP is classified as obsolete by the manufacturer. S4065JTP and S6065JTP are active products with confirmed ongoing availability.

Q: Do the substitute parts have the same package and mounting type?

A: Yes. All three parts use TO-218X-3 Isolated Tab package with through-hole mounting. No PCB layout or thermal management modifications are required.

Q: Are compliance certifications identical?

A: Yes. All three parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity. S4065JTP and S6065JTP include REACH Unaffected status. ECCN and HTSUS classifications are identical.

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