Equivalent & Substitute Parts for S5KHE3_A/I

Part Overview

The S5KHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 800 V DC reverse voltage with a 5 A average rectified current rating in a DO-214AB (SMC) package. The part is currently active in production with automotive-grade qualification (AEC-Q101) and full RoHS3 compliance.

Substitute parts are identified when component availability changes, manufacturing discontinuation occurs, or when design requirements permit operation at alternative electrical specifications within the same functional category. The S5KHE3_A/I maintains parametric equivalence with several alternative sources and upgraded specifications that satisfy the same circuit requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15	V @ 5 A
Reverse Recovery Time (trr)	2.5	µs
Current - Reverse Leakage @ Vr	10	µA @ 800 V
Capacitance @ Vr, F	40	pF @ 4V, 1MHz
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Technology	Standard Recovery	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S5KHE3_A/I are classified into three categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications: 800 V reverse voltage, 5 A average rectified current, 1.15 V forward voltage at 5 A, and standard recovery characteristics. These parts are direct functional replacements with no circuit redesign required.

Upgrade Substitutes provide enhanced specifications while maintaining backward compatibility. These parts operate at higher voltage ratings (1000 V) or improved current ratings (6 A) compared to the original specification. Upgrade substitutes are suitable when circuit design permits operation at higher electrical ratings without modification.

Manufacturer-Recommended Alternatives are designated by original equipment manufacturers as approved substitutes. These parts may differ in specific parameters such as reverse recovery time or forward voltage characteristics while maintaining the same package form factor and mounting type.

All substitute relationships are determined by the following key parameters:

Voltage - DC Reverse (Vr) (Max): minimum 800 V
Current - Average Rectified (Io): minimum 5 A
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs]	Ir @ Vr [µA]	Package	Tj (°C)	Product Status
S5KHE3_A/I	Vishay General Semiconductor	800	5	1.15 @ 5 A	2.5	10 @ 800 V	DO-214AB, SMC	-55 to 150	Active
S5K-E3/57T	Vishay General Semiconductor	800	5	1.15 @ 5 A	2.5	10 @ 800 V	DO-214AB, SMC	-55 to 150	Active
S5KC-13-F	Diodes Incorporated	800	5	1.15 @ 5 A	—	10 @ 800 V	DO-214AB, SMC	-65 to 150	Active
S5ML-TP	Micro Commercial Co	1000	5	1.2 @ 5 A	—	10 @ 1000 V	DO-214AB, SMC	-55 to 150	Active
SMLJ60S10-TP	Micro Commercial Co	1000	6	1.0 @ 6 A	—	5 @ 1000 V	DO-214AB, SMC	-55 to 150	Active
STTH310S	STMicroelectronics	1000	3	1.7 @ 3 A	0.075	10 @ 1000 V	DO-214AB, SMC	-40 to 175	Active
S5K V7G	Taiwan Semiconductor Corporation	800	5	1.15 @ 5 A	1.5	10 @ 800 V	DO-214AB, SMC	-55 to 150	Discontinued at DiGi Electronics

Engineering Selection Recommendations

Direct Parametric Equivalents (S5K-E3/57T, S5K V7G)

The S5K-E3/57T from Vishay General Semiconductor is a parametric equivalent offering identical electrical specifications to the S5KHE3_A/I. Both parts maintain 800 V reverse voltage, 5 A average rectified current, and 1.15 V forward voltage at 5 A. The S5K-E3/57T is currently active with 15,100 units in stock. This part is suitable for direct substitution without circuit modification.

The S5K V7G from Taiwan Semiconductor Corporation is also a parametric equivalent with matching voltage and current ratings. However, this part is discontinued at DiGi Electronics and should be considered only when existing inventory is available and long-term supply is not required.

Upgrade Substitute (S5KC-13-F)

The S5KC-13-F from Diodes Incorporated maintains the same 800 V reverse voltage and 5 A current rating as the S5KHE3_A/I while extending the operating temperature range to -65°C to 150°C. This part is suitable for applications requiring enhanced low-temperature performance. The part is currently active with 15,400 units in stock.

Higher Voltage Upgrade Substitutes (S5ML-TP, SMLJ60S10-TP)

The S5ML-TP from Micro Commercial Co provides a 1000 V reverse voltage rating with maintained 5 A current capacity. This upgrade is suitable for circuits where higher voltage margin is beneficial. The part is currently active with 4,200 units in stock.

The SMLJ60S10-TP from Micro Commercial Co offers both higher voltage (1000 V) and higher current (6 A) ratings compared to the original specification. This part is suitable for applications requiring increased current capacity or higher voltage headroom. The part is currently active with 12,900 units in stock.

Higher Voltage, Lower Current Substitute (STTH310S)

The STTH310S from STMicroelectronics operates at 1000 V reverse voltage but with a reduced 3 A average rectified current rating. This part features fast recovery characteristics (75 ns reverse recovery time) and an extended operating temperature range to 175°C. This part is not suitable as a direct substitute when the circuit requires the full 5 A current capacity. The part is currently active with 17,310 units in stock.

Compliance and Certification

All substitute parts maintain RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited). The S5KHE3_A/I carries automotive-grade qualification (AEC-Q101). When selecting substitutes for automotive applications, verify that the selected alternative meets equivalent qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can the S5K-E3/57T be used as a direct replacement for the S5KHE3_A/I?

A: Yes. The S5K-E3/57T is a parametric equivalent with identical electrical specifications: 800 V reverse voltage, 5 A average rectified current, 1.15 V forward voltage at 5 A, and standard recovery characteristics. Both parts use the DO-214AB (SMC) package and are surface mount compatible. No circuit modification is required.

Q: What is the difference between the S5KHE3_A/I and the S5ML-TP?

A: The S5ML-TP operates at 1000 V reverse voltage compared to the S5KHE3_A/I at 800 V. Both maintain 5 A average rectified current. The S5ML-TP is suitable when higher voltage margin is required. The forward voltage at 5 A is 1.2 V for the S5ML-TP versus 1.15 V for the S5KHE3_A/I. Both parts use the DO-214AB (SMC) package.

Q: Is the STTH310S a suitable substitute for the S5KHE3_A/I?

A: The STTH310S is not a direct substitute. While it operates at 1000 V reverse voltage and uses the same DO-214AB (SMC) package, it is rated for only 3 A average rectified current compared to the 5 A requirement of the S5KHE3_A/I. The STTH310S is suitable only for circuits designed for 3 A operation.

Q: What is the difference between standard recovery and fast recovery diodes?

A: The S5KHE3_A/I uses standard recovery technology with a 2.5 µs reverse recovery time. The STTH310S uses fast recovery technology with a 75 ns reverse recovery time. Fast recovery diodes switch more quickly but may not be necessary for all applications. Selection depends on circuit switching frequency and performance requirements.

Q: Can I use the SMLJ60S10-TP in place of the S5KHE3_A/I?

A: The SMLJ60S10-TP can be used as an upgrade substitute. It provides higher voltage (1000 V) and higher current (6 A) ratings compared to the S5KHE3_A/I (800 V, 5 A). Both parts use the DO-214AB (SMC) package. The SMLJ60S10-TP is suitable when circuit design permits operation at higher electrical ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the compliance status of the S5KHE3_A/I.

Q: What is the operating temperature range difference between S5KC-13-F and S5KHE3_A/I?

A: The S5KHE3_A/I operates from -55°C to 150°C. The S5KC-13-F extends the low-temperature limit to -65°C while maintaining the 150°C upper limit. The S5KC-13-F is suitable for applications requiring enhanced low-temperature performance.

Q: Why is the S5K V7G listed as discontinued?

A: The S5K V7G from Taiwan Semiconductor Corporation is discontinued at DiGi Electronics. While it is a parametric equivalent to the S5KHE3_A/I, long-term supply cannot be guaranteed. This part should be considered only when existing inventory is available and alternative sources are not required.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message