S5A General Purpose Rectifier Diode 50V 5A DO-214AB Equivalent & Substitute Parts

Part Overview

The S5A is a general purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 50V DC reverse voltage and 5A average rectified current in a surface mount DO-214AB (SMC) package. This component is currently active in production with 876 pieces in stock. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility to support procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15 @ 5	V @ A
Reverse Recovery Time (trr)	1.5	µs
Current - Reverse Leakage @ Vr	10	µA @ 50V
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C

Substitute Part Grouping Explanation

Substitute parts for the S5A rectifier diode are qualified based on the following electrical and mechanical parameters:

Voltage Rating: DC reverse voltage of 50V (maximum)
Current Rating: Average rectified current of 5A
Forward Voltage Drop: 1.15V maximum at 5A forward current
Reverse Leakage Current: 10µA maximum at 50V reverse voltage
Package Type: DO-214AB surface mount package (SMC)
Mounting Configuration: Surface mount technology
Operating Temperature Range: -55°C to 150°C junction temperature
Compliance Standards: RoHS3 compliant, REACH unaffected

Parts meeting all these parameters are electrically and mechanically interchangeable. Minor variations in reverse recovery time and junction capacitance do not affect substitution eligibility when all primary ratings are matched.

Parameter Comparison

Parameter	S5A (Main)	S5A V7G	S5A-E3/57T
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V
Current - Average Rectified (Io)	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
Reverse Recovery Time (trr)	1.5 µs	1.5 µs	2.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V
Capacitance @ Vr, F	60 pF @ 4V, 1MHz	60 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Discontinued at DiGi Electronics	Active

Engineering Selection Recommendations

S5A (Taiwan Semiconductor Corporation): Primary selection for new designs and active procurement. Product status is active with 876 pieces in current inventory. Full RoHS3 compliance and REACH unaffected status support regulatory requirements.

S5A V7G (Taiwan Semiconductor Corporation): Parametric equivalent with identical electrical specifications. Product status is discontinued at DiGi Electronics; use only when existing inventory from alternative suppliers is available and supply continuity is confirmed. Electrical performance is equivalent to the main part.

S5A-E3/57T (Vishay General Semiconductor - Diodes Division): Active product with highest inventory availability (30,100 pieces). Meets all primary electrical and mechanical requirements. Reverse recovery time is 2.5µs compared to 1.5µs for the main part; this difference remains within acceptable substitution parameters for standard recovery rectifier applications. Junction capacitance is 40pF versus 60pF. Full RoHS3 compliance and REACH unaffected status. Suitable for direct substitution in applications where the specified reverse recovery time and capacitance variations are acceptable.

Frequently Asked Questions (FAQ)

Q: Can S5A-E3/57T be used as a direct replacement for S5A?

A: Yes. Both parts meet the core electrical specifications: 50V reverse voltage rating, 5A average rectified current, 1.15V forward voltage drop at 5A, and 10µA reverse leakage current. Both use the DO-214AB surface mount package. The S5A-E3/57T has a longer reverse recovery time (2.5µs versus 1.5µs) and lower junction capacitance (40pF versus 60pF), which are acceptable variations for standard recovery rectifier applications.

Q: What is the difference between S5A V7G and S5A?

A: S5A V7G is a parametric equivalent manufactured by Taiwan Semiconductor Corporation with identical electrical specifications to the S5A. The primary difference is product status: S5A V7G is discontinued at DiGi Electronics. Both parts are electrically interchangeable.

Q: Are all three parts in the same package?

A: Yes. All three parts use the DO-214AB surface mount package (SMC). They are mechanically compatible and can be used interchangeably on the same PCB layout.

Q: Which substitute part has the best availability?

A: S5A-E3/57T from Vishay General Semiconductor has the highest inventory with 30,100 pieces in stock, compared to 876 pieces for the main S5A part and 2,533 pieces for S5A V7G.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All three parts are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: What is the operating temperature range for these diodes?

A: All three parts operate across a junction temperature range of -55°C to 150°C, supporting applications in industrial and consumer environments.

Q: Do these parts require special handling?

A: All three parts have Moisture Sensitivity Level (MSL) 1, which indicates unlimited shelf life and no special moisture control requirements during storage or handling.

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