2N692A Equivalent & Substitute Parts

Part Overview

The 2N692A is an SCR (Silicon Controlled Rectifier) rated for 800V off-state voltage and 25A RMS on-state current, designed for standard recovery applications in chassis and stud mount configurations. Manufactured by Central Semiconductor Corp, this component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The obsolete status necessitates identification of active, functionally equivalent alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - Off State	800	V
Voltage - Gate Trigger (Vgt) Max	2	V
Current - Gate Trigger (Igt) Max	40	mA
Voltage - On State (Vtm) Max	2	V
Current - On State (It RMS) Max	25	A
Current - Hold (Ih) Max	50	mA
Current - Off State Max	4	mA
Operating Temperature Range	-65 to 125	°C
SCR Type	Standard Recovery	-
Mounting Type	Chassis, Stud Mount	-
Package / Case	TO-208AA, TO-48-3, Stud	-

Substitute Part Grouping Explanation

Substitution of the 2N692A is determined by strict equivalence across the following critical parameters:

Voltage Rating: Off-state voltage must equal 800V
Current Rating: On-state RMS current must equal or exceed 25A
Gate Trigger Characteristics: Gate trigger voltage (Vgt) and current (Igt) must not exceed specified maximums
On-State Voltage: Forward voltage drop (Vtm) must remain within specified limits
Hold Current: Must not exceed maximum specified value
SCR Type: Standard Recovery classification required
Mounting Configuration: Chassis and stud mount compatibility required
Package Compatibility: TO-208AA (TO-48) package designation required

The VS-2N692 manufactured by Vishay General Semiconductor meets all substitution criteria as an active product with identical voltage ratings, compatible current specifications, and matching package configuration.

Parameter Comparison

Parameter	2N692A (Central Semiconductor)	VS-2N692 (Vishay)	Match Status
Voltage - Off State	800 V	800 V	Equivalent
Voltage - Gate Trigger (Vgt) Max	2 V	2 V	Equivalent
Current - Gate Trigger (Igt) Max	40 mA	40 mA	Equivalent
Voltage - On State (Vtm) Max	2 V	2 V	Equivalent
Current - On State (It RMS) Max	25 A	25 A	Equivalent
Current - Hold (Ih) Max	50 mA	20 mA	Compatible (Substitute Superior)
Current - Off State Max	4 mA	2 mA	Compatible (Substitute Superior)
Operating Temperature Range	-65 to 125 °C	-65 to 125 °C	Equivalent
SCR Type	Standard Recovery	Standard Recovery	Equivalent
Mounting Type	Chassis, Stud Mount	Chassis, Stud Mount	Equivalent
Package / Case	TO-208AA, TO-48-3, Stud	TO-208AA, TO-48-3, Stud	Equivalent
Product Status	Obsolete	Active	Substitute Preferred
RoHS Compliance	Non-compliant	ROHS3 Compliant	Substitute Preferred

Engineering Selection Recommendations

The VS-2N692 is the direct equivalent substitute for the 2N692A. Selection is based on the following engineering criteria:

Product Status: The 2N692A is obsolete; the VS-2N692 is active and in production, ensuring long-term availability and supply chain continuity.
Electrical Equivalence: All critical electrical parameters match or exceed the original specification, with the VS-2N692 demonstrating superior performance in hold current (20 mA vs. 50 mA) and off-state leakage current (2 mA vs. 4 mA).
Regulatory Compliance: The VS-2N692 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The 2N692A is RoHS non-compliant.
Package Compatibility: Both components use identical TO-208AA (TO-48) stud mount packaging, ensuring direct mechanical and electrical compatibility in existing circuit designs.
Thermal Performance: Identical operating temperature range (-65 to 125°C) ensures thermal compatibility in all specified applications.

Frequently Asked Questions (FAQ)

Q: Can the VS-2N692 be used as a direct replacement for the 2N692A in existing designs?

A: Yes. The VS-2N692 is electrically and mechanically equivalent to the 2N692A. All critical parameters—voltage ratings, current ratings, gate trigger characteristics, and package configuration—are identical or superior. Direct substitution is possible without circuit modification.

Q: What are the key differences between the 2N692A and VS-2N692?

A: The primary differences are product status and regulatory compliance. The 2N692A is obsolete; the VS-2N692 is active. The VS-2N692 is ROHS3 compliant and demonstrates superior performance in hold current and off-state leakage current specifications.

Q: Are there any package compatibility concerns?

A: No. Both components use the TO-208AA (TO-48) stud mount package. Mechanical and electrical connections are identical, allowing direct board-level substitution.

Q: Does the VS-2N692 meet current environmental regulations?

A: Yes. The VS-2N692 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for new designs and production.

Q: What is the basis for substitution compatibility?

A: Substitution is based on equivalence across voltage ratings (800V off-state), current ratings (25A RMS on-state), gate trigger characteristics (2V, 40mA maximum), on-state voltage (2V maximum), hold current, off-state leakage current, SCR type (Standard Recovery), mounting configuration (Chassis, Stud Mount), and package designation (TO-208AA, TO-48).

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