CPS041-CS92D-CT20 Equivalent & Substitute Parts

Part Overview

The CPS041-CS92D-CT20 is a Standard Recovery SCR (Silicon Controlled Rectifier) rated for 400V off-state voltage and 800mA on-state current, supplied as a surface mount die package. This component is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for continued system integration and production support.

Key Parameters

Parameter	Value
Voltage - Off State	400 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV
Current - Gate Trigger (Igt) (Max)	200 µA
Voltage - On State (Vtm) (Max)	1.7 V
Current - On State (It (RMS)) (Max)	800 mA
Current - Hold (Ih) (Max)	5 mA
Current - Off State (Max)	1 µA
Current - Non Rep. Surge 50, 60Hz (Itsm)	10A @ 50Hz
SCR Type	Standard Recovery
Operating Temperature	-65°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	Die
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the CPS041-CS92D-CT20 are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Voltage - Off State: 400 V (exact match required)
Voltage - Gate Trigger (Vgt) (Max): 800 mV (exact match required)
Current - Gate Trigger (Igt) (Max): 200 µA (exact match required)
Voltage - On State (Vtm) (Max): 1.7 V (exact match required)
Current - On State (It (RMS)) (Max): 800 mA (exact match required)
Current - Hold (Ih) (Max): 5 mA (exact match required)
Current - Off State (Max): 1 µA (exact match required)
Current - Non Rep. Surge 50, 60Hz (Itsm): 10A @ 50Hz (exact match required)
SCR Type: Standard Recovery (exact match required)
Operating Temperature: -65°C ~ 125°C (TJ) (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: Die (exact match required)

All identified substitutes meet these criteria and are manufactured by Central Semiconductor Corp.

Parameter Comparison

Parameter	CPS041-CS92D-CT20 (Main)	CPS053-CS92D-CT20 (Direct Equivalent)	CPS053-CS92D-CT (Parametric Equivalent)
Voltage - Off State	400 V	400 V	400 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV	800 mV	800 mV
Current - Gate Trigger (Igt) (Max)	200 µA	200 µA	200 µA
Voltage - On State (Vtm) (Max)	1.7 V	1.7 V	1.7 V
Current - On State (It (RMS)) (Max)	800 mA	800 mA	800 mA
Current - Hold (Ih) (Max)	5 mA	5 mA	5 mA
Current - Off State (Max)	1 µA	1 µA	1 µA
Current - Non Rep. Surge 50, 60Hz (Itsm)	10A @ 50Hz	10A @ 50Hz	10A @ 50Hz
SCR Type	Standard Recovery	Standard Recovery	Standard Recovery
Operating Temperature	-65°C ~ 125°C (TJ)	-65°C ~ 125°C (TJ)	-65°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	Die	Die	Die
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued at DiGi Electronics	Active	Active
Inventory Availability	667 Pcs New Original In Stock	868 Pcs New Original In Stock	829 Pcs New Original In Stock

Engineering Selection Recommendations

Both CPS053-CS92D-CT20 and CPS053-CS92D-CT are suitable substitutes for the discontinued CPS041-CS92D-CT20. Selection between these alternatives should be based on the following factors:

CPS053-CS92D-CT20 is classified as a direct manufacturer equivalent with active product status and higher inventory availability (868 pcs). This part maintains identical part number structure and specifications.

CPS053-CS92D-CT is classified as a parametric equivalent with active product status and comparable inventory availability (829 pcs). This part shares the same base product number (CPS053) and electrical characteristics.

Both substitutes are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance equivalent to the original part. Selection may be determined by procurement lead times, supplier availability, and internal design documentation requirements.

Frequently Asked Questions (FAQ)

Q: Can CPS053-CS92D-CT20 be used as a direct replacement for CPS041-CS92D-CT20?

A: Yes. CPS053-CS92D-CT20 is a direct manufacturer equivalent with identical electrical parameters, SCR type, operating temperature range, and die package specifications. Both parts are manufactured by Central Semiconductor Corp and meet the same regulatory standards.

Q: What is the difference between CPS053-CS92D-CT20 and CPS053-CS92D-CT?

A: Both parts are parametric equivalents with identical electrical specifications. The difference lies in the part number suffix. CPS053-CS92D-CT20 maintains the full part number structure of the original, while CPS053-CS92D-CT uses a shortened suffix. Electrical performance and package type are identical.

Q: Are there any mechanical compatibility concerns when substituting these parts?

A: No. All three parts are surface mount die packages with identical mounting type and case specifications. No mechanical redesign or board layout modifications are required.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. Both CPS053-CS92D-CT20 and CPS053-CS92D-CT are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original CPS041-CS92D-CT20.

Q: Why is the original CPS041-CS92D-CT20 discontinued?

A: Product discontinuation is determined by the manufacturer. The availability of parametrically identical alternatives from Central Semiconductor Corp ensures continued design support without functional impact.

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