Equivalent & Substitute Parts for CGRC503-G General Purpose Rectifier Diode

Part Overview

The CGRC503-G is a general purpose rectifier diode manufactured by Comchip Technology, rated for 200V DC reverse voltage and 5A average rectified current in a surface mount DO-214AB (SMC) package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical ratings and mechanical compatibility are required for design flexibility, supply chain alternatives, or inventory optimization while maintaining circuit performance specifications.

Key Parameters

Parameter	Value	Specification Basis
Voltage - DC Reverse (Vr) (Max)	200 V	Primary electrical rating
Current - Average Rectified (Io)	5 A	Primary electrical rating
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 5 A	Operating point specification
Package / Case	DO-214AB, SMC	Mechanical compatibility
Mounting Type	Surface Mount	Assembly requirement
Operating Temperature - Junction (Max)	150°C	Thermal rating
RoHS Status	ROHS3 Compliant	Regulatory compliance
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling requirement

Substitute Part Grouping Explanation

Substitute parts for the CGRC503-G are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - DC Reverse (Vr) (Max): Must equal 200 V
Current - Average Rectified (Io): Must equal or exceed 5 A
Package / Case: Must be DO-214AB or SMC equivalent
Mounting Type: Must be Surface Mount
RoHS Status: Must maintain ROHS3 compliance

Substitution Categories:

Direct Equivalents (Identical Ratings): Parts with 200V, 5A ratings in DO-214AB/SMC package.

S5D-E3/57T (Vishay General Semiconductor - Diodes Division)
S5D-E3/9AT (Vishay General Semiconductor - Diodes Division)
S5DC-13-F (Diodes Incorporated)
S5DL-TP (Micro Commercial Co) - Product Status: Not For New Designs

Partial Equivalents (Higher Current Rating): Parts with 200V rating but higher current capacity.

SMLJ60S2-TP (Micro Commercial Co) - 6A rating, Not For New Designs

Partial Equivalents (Lower Current Rating): Parts with 200V rating but lower current capacity.

STTH302S (STMicroelectronics) - 3A rating, Active status
STTH4R02S (STMicroelectronics) - 4A rating, Active status

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Package	Temp Junction (Max)	Product Status	RoHS
CGRC503-G	Comchip Technology	200 V	5 A	1.15 V @ 5 A	DO-214AB, SMC	150°C	Active	ROHS3
S5D-E3/57T	Vishay General Semiconductor	200 V	5 A	1.15 V @ 5 A	DO-214AB, SMC	150°C	Active	ROHS3
S5D-E3/9AT	Vishay General Semiconductor	200 V	5 A	1.15 V @ 5 A	DO-214AB, SMC	150°C	Active	ROHS3
S5DC-13-F	Diodes Incorporated	200 V	5 A	1.15 V @ 5 A	DO-214AB, SMC	150°C	Active	ROHS3
S5DL-TP	Micro Commercial Co	200 V	5 A	1.2 V @ 5 A	DO-214AB, SMC	150°C	Not For New Designs	ROHS3
SMLJ60S2-TP	Micro Commercial Co	200 V	6 A	1.0 V @ 6 A	DO-214AB, SMC	150°C	Not For New Designs	ROHS3
STTH302S	STMicroelectronics	200 V	3 A	950 mV @ 3 A	DO-214AB, SMC	175°C	Active	ROHS3
STTH4R02S	STMicroelectronics	200 V	4 A	1.05 V @ 4 A	DO-214AB, SMC	175°C	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical and Thermal Performance):

Select from S5D-E3/57T, S5D-E3/9AT, or S5DC-13-F when equivalent 200V/5A performance is required. All three parts maintain Active product status and ROHS3 compliance. S5D-E3/57T offers the highest inventory availability (15,300 pcs) among direct equivalents. S5DC-13-F is supplied in Cut Tape & Digi-Reel® packaging, providing alternative packaging options.

For Supply Chain Alternatives with Active Status:

STTH4R02S (STMicroelectronics, 4A) provides Active product status with 200V rating and improved thermal performance (175°C junction temperature maximum). This part is suitable when circuit current requirements do not exceed 4A and higher thermal margin is beneficial. STTH302S (STMicroelectronics, 3A) is applicable only when circuit current requirements do not exceed 3A.

Parts Not Recommended for New Designs:

S5DL-TP and SMLJ60S2-TP carry "Not For New Designs" product status. These parts are available for legacy system support or repair applications only. S5DL-TP exhibits forward voltage of 1.2V @ 5A, which exceeds the CGRC503-G specification of 1.15V @ 5A. SMLJ60S2-TP is rated for 6A, exceeding the 5A requirement of the original design.

Compliance and Regulatory Considerations:

All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original CGRC503-G specifications. All parts are classified under ECCN EAR99 and HTSUS 8541.10.0080, consistent with the main part.

Frequently Asked Questions (FAQ)

Q: Can STTH4R02S (4A) be used as a direct replacement for CGRC503-G (5A)?

A: STTH4R02S is electrically compatible at 200V reverse voltage and DO-214AB package. However, it is rated for 4A average rectified current, which is below the 5A specification of CGRC503-G. Use STTH4R02S only when circuit design current requirements do not exceed 4A. If the circuit requires 5A capacity, select S5D-E3/57T, S5D-E3/9AT, or S5DC-13-F.

Q: What is the difference between S5D-E3/57T and S5D-E3/9AT?

A: Both parts are manufactured by Vishay General Semiconductor with identical electrical specifications (200V, 5A, 1.15V @ 5A) and DO-214AB package. The difference is in packaging tape configuration (57T versus 9AT reel specifications). Selection between these parts depends on assembly equipment compatibility and tape reel specifications required by manufacturing processes.

Q: Why is S5DL-TP listed as "Not For New Designs"?

A: S5DL-TP carries "Not For New Designs" product status, indicating the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. This part is available for legacy system maintenance and repair only. For new designs, select from Active status parts: S5D-E3/57T, S5D-E3/9AT, S5DC-13-F, or STTH4R02S.

Q: Can SMLJ60S2-TP (6A) replace CGRC503-G (5A)?

A: SMLJ60S2-TP meets the 200V reverse voltage and DO-214AB package requirements. The 6A rating exceeds the 5A specification, providing additional current capacity margin. However, SMLJ60S2-TP carries "Not For New Designs" status. For new designs requiring higher current margin, use S5D-E3/57T, S5D-E3/9AT, or S5DC-13-F with Active status.

Q: What are the thermal performance differences between CGRC503-G and STTH4R02S?

A: CGRC503-G is rated for 150°C maximum junction temperature. STTH4R02S is rated for 175°C maximum junction temperature, providing 25°C additional thermal margin. This higher thermal rating may be beneficial in applications with elevated ambient temperatures or high power dissipation. However, STTH4R02S is limited to 4A current capacity compared to CGRC503-G at 5A.

Q: Are all substitute parts available in the same packaging format?

A: Most substitute parts are supplied in DO-214AB (SMC) package. Packaging format differs: S5D-E3/57T and S5D-E3/9AT are supplied in Tape & Reel (TR); S5DC-13-F is supplied in Cut Tape (CT) & Digi-Reel®; STTH302S and STTH4R02S are supplied in Cut Tape (CT) & Digi-Reel®. Verify packaging compatibility with assembly equipment before selection.

Q: What is the significance of "Speed" specification in the parameter list?

A: Speed classification indicates recovery time characteristics. CGRC503-G specifies "Standard Recovery >500ns, > 200mA (Io)". STTH302S and STTH4R02S specify "Fast Recovery =< 500ns, > 200mA (Io)" with reverse recovery times of 35ns and 30ns respectively. Fast recovery diodes exhibit lower switching losses and are suitable for higher frequency applications. Standard recovery diodes are appropriate for line frequency and low frequency rectification circuits.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message