SJ6025L2TP Equivalent & Substitute Parts

Part Overview

The SJ6025L2TP is a 600V 25A standard recovery silicon-controlled rectifier (SCR) manufactured by Littelfuse Inc. in the ITO-220AB package. This thyristor is designed for through-hole mounting applications requiring high voltage switching and current control in industrial and power conversion circuits. The part is active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified based on matching electrical characteristics and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	25 A
Voltage - On State (Vtm) (Max)	1.6 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	10 mA
Current - Hold (Ih) (Max)	35 mA
Operating Temperature Range	-40°C to 150°C (TJ)
Package / Case	TO-220-3 Full Pack, Isolated Tab
Mounting Type	Through Hole
SCR Type	Standard Recovery

Substitute Part Grouping Explanation

Substitution eligibility for the SJ6025L2TP is determined by the following criteria:

Primary Matching Parameters:

Off-state voltage: 600 V (exact match required)
Gate trigger voltage (Vgt): 1.5 V maximum (exact match required)
Gate trigger current (Igt): 10 mA maximum (exact match required)
On-state voltage (Vtm): 1.6 V maximum (exact match required)
Hold current (Ih): 35 mA maximum (exact match required)
Off-state current: 10 µA maximum (exact match required)
Operating temperature range: -40°C to 150°C (exact match required)
Package type: ITO-220AB (exact match required)
Mounting type: Through Hole (exact match required)
SCR type: Standard Recovery (exact match required)

Secondary Consideration:

RMS current rating: Parts with equal or higher current capacity are acceptable substitutes
Average current rating: Parts with equal or higher average current capacity are acceptable substitutes
Non-repetitive surge current: Parts with equal or higher surge ratings are acceptable substitutes

All substitute parts listed maintain identical electrical and thermal characteristics within the specified parameters, ensuring functional equivalence in circuit applications.

Parameter Comparison

Parameter	SJ6025L2TP	SJ6020L2TP	SV6016L2TP	SV6016L2QTP	SV6025L2TP	SV6025L2QTP
Manufacturer	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.
Voltage - Off State	600 V	600 V	600 V	600 V	600 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V
Current - Gate Trigger (Igt) (Max)	10 mA	10 mA	10 mA	10 mA	10 mA	10 mA
Voltage - On State (Vtm) (Max)	1.6 V	1.6 V	1.6 V	1.6 V	1.6 V	1.6 V
Current - On State (It (AV)) (Max)	16 A	12.8 A	10.2 A	10.2 A	16 A	16 A
Current - On State (It (RMS)) (Max)	25 A	20 A	16 A	16 A	25 A	25 A
Current - Hold (Ih) (Max)	35 mA	35 mA	35 mA	35 mA	35 mA	35 mA
Current - Off State (Max)	10 µA	10 µA	10 µA	10 µA	10 µA	10 µA
Current - Non Rep. Surge 50Hz (Itsm)	300 A	225 A	188 A	188 A	300 A	300 A
Current - Non Rep. Surge 60Hz (Itsm)	350 A	300 A	225 A	225 A	350 A	350 A
SCR Type	Standard Recovery	Standard Recovery	Standard Recovery	Standard Recovery	Standard Recovery	Standard Recovery
Operating Temperature	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB	ITO-220AB	ITO-220AB	ITO-220AB	ITO-220AB	ITO-220AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active production status with full RoHS3 compliance and REACH unaffected certification. Selection between SJ6025L2TP and its substitutes depends on application current requirements:

Full-Capacity Substitutes (25A RMS): SV6025L2TP and SV6025L2QTP provide identical electrical performance and current ratings. These parts are direct replacements with no derating required.

Reduced-Capacity Substitutes: SJ6020L2TP (20A RMS) and SV6016L2TP/SV6016L2QTP (16A RMS) maintain all gate control and voltage parameters but with lower current capacity. These are suitable only for applications where the circuit current requirement does not exceed the substitute part's RMS rating.

All parts share identical gate trigger characteristics, on-state voltage, hold current, and thermal operating range, ensuring consistent circuit behavior across the substitution group.

Frequently Asked Questions (FAQ)

Q: Can SV6025L2TP replace SJ6025L2TP directly? A: Yes. SV6025L2TP is a full parametric equivalent with identical voltage, current, and thermal ratings. Both parts are in the SV and SJ series respectively but share all critical electrical specifications.

Q: What is the difference between SJ6025L2TP and SJ6020L2TP? A: The primary difference is RMS current capacity: SJ6025L2TP is rated for 25A RMS while SJ6020L2TP is rated for 20A RMS. All other parameters including gate trigger voltage, on-state voltage, and operating temperature are identical. SJ6020L2TP is suitable only for applications requiring 20A or less.

Q: Are the SV series parts (SV6016L2TP, SV6025L2TP) compatible with SJ series designs? A: Yes, provided the application current requirement does not exceed the substitute part's rating. SV6016L2TP and SV6016L2QTP are limited to 16A RMS. SV6025L2TP and SV6025L2QTP match the 25A RMS rating of SJ6025L2TP. All parts share identical gate control and voltage characteristics.

Q: What does the "L2" designation indicate in these part numbers? A: The "L2" suffix is part of the Littelfuse SJ and SV series nomenclature. All listed parts include this designation and are functionally equivalent within their respective current ratings.

Q: Can I use a lower-current substitute in a 25A application? A: No. Using SJ6020L2TP (20A) or SV6016L2TP/SV6016L2QTP (16A) in an application requiring 25A RMS would exceed the part's current rating and cause thermal stress or failure. Substitutes must meet or exceed the application's current requirement.

Q: Are all these parts available in the same package? A: Yes. All substitute parts use the ITO-220AB package with TO-220-3 Full Pack, Isolated Tab configuration. They are mechanically and thermally interchangeable in through-hole PCB designs.

Q: What compliance certifications apply to all substitute parts? A: All parts are RoHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. All are active production parts from Littelfuse Inc.

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