SFF504GHC0G Equivalent & Substitute Parts

Part Overview

The SFF504GHC0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 5 A average rectified current. This through-hole component features fast recovery characteristics with a 35 ns reverse recovery time and is housed in a TO-220-3 package with isolated tab configuration. The device is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the critical parameters that define this diode category. Alternative sources and packaging configurations are available to support supply chain flexibility and inventory optimization.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	980 mV @ 2.5 A	mV @ A
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Mounting Type	Through Hole	—
Package / Case	TO-220-3 Full Pack, Isolated Tab	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Technology	Standard	—
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitute parts for the SFF504GHC0G are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent (Direct Substitution): Parts that maintain identical electrical specifications and mechanical form factor. The SFF504G meets all critical parameters including 200 V reverse voltage rating, 5 A average rectified current, 35 ns reverse recovery time, and TO-220-3 package configuration. The only difference is packaging format (Tube versus Full Pack), which does not affect electrical performance or board-level compatibility.

Similar Manufacturer Part (Functional Substitution with Parameter Variance): The SBR20A200CTFP from Diodes Incorporated operates at the same 200 V reverse voltage and TO-220-3 package but differs in current rating (10 A per diode versus 5 A), forward voltage (860 mV @ 10 A versus 980 mV @ 2.5 A), reverse recovery time (30 ns versus 35 ns), and reverse leakage current (100 µA @ 200 V versus 10 µA @ 200 V). This part is a diode array with 1 pair common cathode configuration and employs Super Barrier technology rather than Standard technology.

Substitution eligibility is determined by: (1) matching or exceeding reverse voltage rating, (2) matching or exceeding average rectified current capacity, (3) compatible through-hole mounting and TO-220-3 package form factor, and (4) compliance with automotive and RoHS requirements.

Parameter Comparison

Parameter	SFF504GHC0G	SFF504G	SBR20A200CTFP
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Diodes Incorporated
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V
Current - Average Rectified (Io)	5 A	5 A	10 A (per Diode)
Voltage - Forward (Vf) (Max) @ If	980 mV @ 2.5 A	980 mV @ 2.5 A	860 mV @ 10 A
Reverse Recovery Time (trr)	35 ns	35 ns	30 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V	10 µA @ 200 V	100 µA @ 200 V
Mounting Type	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
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 175°C
Technology	Standard	Standard	Super Barrier
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active

Engineering Selection Recommendations

SFF504G (Parametric Equivalent): This part is the direct electrical and mechanical equivalent to the SFF504GHC0G. Both devices are manufactured by Taiwan Semiconductor Corporation, share identical electrical ratings, and are housed in the same TO-220-3 package configuration. The SFF504G maintains Active product status and ROHS3 compliance. Selection of SFF504G is appropriate when the original part is unavailable and packaging format (Tube) is acceptable for the application workflow. No electrical performance degradation occurs with this substitution.

SBR20A200CTFP (Similar Manufacturer Part): This Diodes Incorporated component operates at the same 200 V reverse voltage and uses the same TO-220-3 package form factor. However, this part is a diode array with common cathode configuration rather than a single diode, and features higher current capacity (10 A per diode), lower forward voltage drop (860 mV @ 10 A), faster reverse recovery (30 ns), and wider operating temperature range (-65°C ~ 175°C). The SBR20A200CTFP is suitable for applications where the higher current rating and improved thermal performance provide system-level benefits, provided the circuit topology accommodates the diode array configuration and common cathode connection scheme. The increased reverse leakage current (100 µA @ 200 V) should be evaluated against application requirements.

All substitute parts maintain Active product status, ROHS3 compliance, and through-hole mounting compatibility with the original SFF504GHC0G design.

Frequently Asked Questions (FAQ)

Q: Can SFF504G be used as a direct replacement for SFF504GHC0G?

A: Yes. The SFF504G is a parametric equivalent with identical electrical specifications (200 V, 5 A, 35 ns reverse recovery time) and the same TO-220-3 package configuration. The only difference is packaging format (Tube versus Full Pack), which does not affect electrical performance or board-level compatibility.

Q: What is the primary difference between SFF504GHC0G and SBR20A200CTFP?

A: The SBR20A200CTFP is a diode array with 1 pair common cathode configuration, rated for 10 A per diode (versus 5 A for the SFF504GHC0G), with lower forward voltage (860 mV @ 10 A), faster recovery (30 ns), and wider temperature range (-65°C ~ 175°C). The SFF504GHC0G is a single standard diode. Circuit topology must accommodate the array configuration and common cathode connection.

Q: Are all substitute parts automotive qualified?

A: The SFF504GHC0G carries AEC-Q101 automotive qualification. The SFF504G shares this qualification as a parametric equivalent from the same manufacturer. The SBR20A200CTFP does not list AEC-Q101 qualification in the provided specifications. Automotive application requirements should be verified against the SBR20A200CTFP datasheet if this certification is mandatory.

Q: Can SBR20A200CTFP be used in circuits designed for 5 A operation?

A: Yes. The SBR20A200CTFP is rated for 10 A per diode, which exceeds the 5 A requirement. However, the circuit topology must accommodate the diode array configuration (1 pair common cathode) rather than a single diode. Forward voltage characteristics differ (860 mV @ 10 A versus 980 mV @ 2.5 A), which may affect circuit performance in voltage-sensitive applications.

Q: Do all parts use the same package footprint?

A: Yes. All three parts use the TO-220-3 Full Pack with isolated tab configuration, ensuring mechanical compatibility at the board level. Through-hole mounting requirements are identical.

Q: What is the reverse leakage current difference between SFF504GHC0G and SBR20A200CTFP?

A: The SFF504GHC0G has 10 µA reverse leakage at 200 V, while the SBR20A200CTFP has 100 µA at 200 V. Applications sensitive to leakage current (such as precision analog circuits or high-impedance circuits) should account for this tenfold difference in specification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The SFF504GHC0G, SFF504G, and SBR20A200CTFP are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), meeting environmental and regulatory requirements for commercial and industrial applications.

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