SJ6012VTP Equivalent & Substitute Parts

Part Overview

The SJ6012VTP is a 600V, 12A standard recovery SCR (Silicon Controlled Rectifier) in TO-251AA package manufactured by Littelfuse Inc. This thyristor is designed for applications requiring controlled rectification and switching in power electronics circuits. The part is currently active in production with full RoHS3 compliance and REACH unaffected status. Identifying equivalent substitute parts is necessary to ensure supply chain continuity, optimize inventory management, and maintain design flexibility across manufacturing batches and procurement cycles.

Key Parameters

Parameter	Value
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	20 mA
Voltage - On State (Vtm) (Max)	1.6 V
SCR Type	Standard Recovery
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
Operating Temperature Range	-40°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SJ6012VTP are identified based on strict electrical and mechanical parameter matching within the thyristor category. The substitution criteria are:

Voltage rating: 600 V off-state voltage
Current rating: 12 A RMS on-state current
Gate trigger characteristics: 1.5 V maximum gate trigger voltage, 20 mA maximum gate trigger current
On-state voltage: 1.6 V maximum
SCR recovery type: Standard Recovery
Package compatibility: TO-251AA (TO-251-3 Short Leads, IPak)
Operating temperature range: -40°C to 150°C
Compliance: RoHS3 compliant, REACH unaffected

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	SJ6012VTP	SJ6012V1TP
Manufacturer	Littelfuse Inc.	Littelfuse Inc.
Category	Thyristors	Thyristors
Voltage - Off State	600 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1.5 V
Current - Gate Trigger (Igt) (Max)	20 mA	20 mA
Voltage - On State (Vtm) (Max)	1.6 V	1.6 V
Current - On State (It (RMS)) (Max)	12 A	12 A
Current - Hold (Ih) (Max)	40 mA	40 mA
Current - Off State (Max)	10 µA	10 µA
SCR Type	Standard Recovery	Standard Recovery
Operating Temperature	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

Both SJ6012VTP and SJ6012V1TP are active production parts from Littelfuse Inc. with identical electrical specifications and package configurations. Selection between these parts may be based on inventory availability and procurement lead times. Both parts maintain full RoHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The TO-251AA package ensures mechanical compatibility in existing PCB designs without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SJ6012V1TP be used as a direct replacement for SJ6012VTP?

A: Yes. Both parts share identical electrical parameters including 600V off-state voltage, 12A RMS on-state current, gate trigger characteristics, and on-state voltage specifications. Both use the TO-251AA package and operate across the same temperature range.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both parts are RoHS3 compliant and REACH unaffected, meeting the same regulatory standards.

Q: Does the package type affect substitution?

A: No. Both parts use the identical TO-251-3 Short Leads, IPak, TO-251AA package, ensuring mechanical and thermal compatibility without PCB redesign.

Q: What is the primary difference between SJ6012VTP and SJ6012V1TP?

A: The parts are parametric equivalents with no electrical or mechanical differences. Differences may exist only in manufacturing batch, date code, or supplier inventory source.

Q: Can these parts be used interchangeably in production?

A: Yes, provided that design specifications require 600V, 12A standard recovery SCR functionality in TO-251AA package with the specified gate trigger and on-state voltage characteristics.

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