S5B General Purpose Rectifier Diode 100V 5A DO-214AB Equivalent & Substitute Parts

Part Overview

The S5B is a general purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100V 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 with unlimited moisture sensitivity level (MSL 1).

Substitute parts become necessary when the primary S5B component experiences supply constraints, inventory depletion, or when alternative manufacturers' variants offer equivalent electrical and mechanical performance. The substitute parts listed maintain identical or compatible electrical specifications and package configurations, enabling direct functional replacement in circuit designs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	100	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) Maximum @ If	1.15 @ 5	V @ A
Reverse Recovery Time (trr)	1.5	µs
Current - Reverse Leakage @ Vr	10 @ 100	µA @ V
Capacitance @ Vr, F	60 @ 4V, 1MHz	pF
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Technology	Standard	—

Substitute Part Grouping Explanation

Substitution eligibility for the S5B rectifier diode is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) Maximum: 100V (exact match required)
Current - Average Rectified (Io): 5A (exact match required)
Voltage - Forward (Vf) Maximum @ If: 1.15V @ 5A (exact match required)
Package / Case: DO-214AB, SMC (exact match required)
Mounting Type: Surface Mount (exact match required)
Operating Temperature Range: -55°C to 150°C (exact match required)

Secondary Parameters (Allowable Variation):

Reverse Recovery Time (trr): 1.5µs to 2.5µs (acceptable range for standard recovery diodes)
Current - Reverse Leakage @ Vr: 10µA @ 100V (exact match)
Capacitance @ Vr, F: 40pF to 60pF @ 4V, 1MHz (acceptable variation)

All substitute parts maintain compliance with ROHS3, MSL 1, REACH Unaffected, and ECCN EAR99 classifications. Substitute parts are grouped by manufacturer and product status, with distinctions noted for automotive-grade variants.

Parameter Comparison

Parameter	S5B (Main)	S5B V7G	S5B-E3/57T	S5B-M3/57T	S5BHE3_A/H
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Product Status	Active	Discontinued at DiGi Electronics	Active	Active	Active
Voltage - DC Reverse (Vr) Max	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	5 A	5 A	5 A	5 A	5 A
Voltage - Forward (Vf) Max @ If	1.15 V @ 5 A	1.15 V @ 5 A	1.15 V @ 5 A	1.15 V @ 5 A	1.15 V @ 5 A
Reverse Recovery Time (trr)	1.5 µs	1.5 µs	2.5 µs	2.5 µs	2.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 100 V	10 µA @ 100 V	10 µA @ 100 V	10 µA @ 100 V	10 µA @ 100 V
Capacitance @ Vr, F	60 pF @ 4V, 1MHz	60 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Grade	Standard	Standard	Standard	Standard	Automotive
Qualification	—	—	—	—	AEC-Q101

Engineering Selection Recommendations

S5B V7G (Taiwan Semiconductor Corporation)

This variant is electrically identical to the main S5B part with matching reverse recovery time (1.5µs) and capacitance (60pF). However, this part is discontinued at DiGi Electronics, limiting long-term availability. Selection of this substitute is appropriate only when existing inventory is confirmed available through alternative distribution channels.

S5B-E3/57T (Vishay General Semiconductor - Diodes Division)

This Vishay variant maintains all critical electrical parameters with extended reverse recovery time (2.5µs) and reduced capacitance (40pF). The part is Active status with high inventory availability (30,200 pcs). This substitute is suitable for applications where the extended recovery time does not impact circuit performance and where Vishay component qualification is acceptable.

S5B-M3/57T (Vishay General Semiconductor - Diodes Division)

This Vishay variant is electrically equivalent to S5B-E3/57T with identical reverse recovery time (2.5µs) and capacitance (40pF). Active product status with moderate inventory (7,507 pcs). Selection between S5B-E3/57T and S5B-M3/57T depends on specific distribution channel availability and lead time requirements.

S5BHE3_A/H (Vishay General Semiconductor - Diodes Division)

This variant is qualified to AEC-Q101 automotive standard with identical electrical specifications to S5B-M3/57T (2.5µs recovery time, 40pF capacitance). Selection of this part is mandatory for automotive applications requiring AEC-Q101 qualification. Active status with inventory of 2,583 pcs. Non-automotive applications do not require this variant.

Frequently Asked Questions (FAQ)

Q: Can S5B-E3/57T be used as a direct replacement for S5B?

A: Yes. S5B-E3/57T is electrically compatible with S5B for all critical parameters: 100V reverse voltage, 5A current rating, 1.15V forward voltage, and DO-214AB package. The extended reverse recovery time (2.5µs versus 1.5µs) and reduced capacitance (40pF versus 60pF) are within acceptable variation for standard recovery rectifier diodes and do not prevent functional substitution.

Q: What is the difference between S5B-M3/57T and S5B-E3/57T?

A: Both parts are manufactured by Vishay with identical electrical specifications: 100V, 5A, 1.15V forward voltage, 2.5µs recovery time, and 40pF capacitance. The difference is in product designation and distribution channel availability. Both are Active status and suitable for equivalent substitution.

Q: When should S5BHE3_A/H be selected instead of other substitutes?

A: S5BHE3_A/H must be selected for automotive applications requiring AEC-Q101 qualification. This variant is the only substitute with automotive-grade designation. For non-automotive industrial or consumer applications, S5BHE3_A/H is not required and other substitutes are appropriate.

Q: Is S5B V7G still available for new designs?

A: S5B V7G is discontinued at DiGi Electronics. While existing inventory may be available through alternative distributors, this part is not recommended for new designs. S5B-E3/57T or S5B-M3/57T are preferred alternatives with confirmed Active status and established supply chains.

Q: Are all substitute parts packaged in DO-214AB (SMC)?

A: Yes. All substitute parts listed maintain the DO-214AB (SMC) surface mount package configuration. Direct PCB footprint compatibility is confirmed for all substitutes.

Q: What is the impact of different reverse recovery times on circuit performance?

A: The main S5B and S5B V7G have 1.5µs recovery time, while S5B-E3/57T, S5B-M3/57T, and S5BHE3_A/H have 2.5µs recovery time. Extended recovery time increases switching losses in high-frequency applications. For standard rectification at line frequency or low switching rates, this difference is not significant. Circuit simulation or testing is required only if the application operates at frequencies where recovery time becomes a limiting factor.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts maintain ROHS3 compliance, MSL 1 (Unlimited), REACH Unaffected status, and ECCN EAR99 classification, matching the main S5B part.

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