S1AB-13 Equivalent & Substitute Parts

Part Overview

The S1AB-13 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 50 V DC reverse voltage and 1 A average rectified current in a Surface Mount SMB (DO-214AA) package. This component is classified as discontinued at DiGi Electronics, necessitating identification of active equivalent parts to maintain design continuity and ensure procurement availability for new production runs and field replacements.

Substiute Parts

S1AB-13

Diodes IncorporatedIn Stock: 2377S1AB-13 Datasheet

Current PartRFQ

S1AB-13-F

Diodes IncorporatedIn Stock: 39805S1AB-13-F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the S1AB-13 is determined by electrical and mechanical parameter equivalence across the following criteria:

Electrical Parameters (Critical):

• Voltage - DC Reverse (Vr) (Max): 50 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
• Reverse Recovery Time (trr): 3 µs
• Current - Reverse Leakage @ Vr: 5 µA @ 50 V
• Capacitance @ Vr, F: 10 pF @ 4V, 1MHz
• Operating Temperature - Junction: -65°C to 150°C

Mechanical Parameters (Critical):

• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

Technology Classification:

• Technology: Standard

Substitute parts must match all electrical parameters and mechanical specifications without deviation. Packaging format (Tape & Reel versus bulk) does not affect electrical or mechanical compatibility and is considered a procurement variable only.

Parameter Comparison

Engineering Selection Recommendations

S1AB-13-F is the direct parametric equivalent to S1AB-13. All electrical and mechanical specifications are identical. The primary distinction is product status and regulatory compliance:

• S1AB-13-F carries Active product status, ensuring ongoing availability and manufacturer support.
• S1AB-13-F is ROHS3 Compliant, whereas the original S1AB-13 is RoHS non-compliant.
• Both parts share the same base product number (S1A) and are manufactured by Diodes Incorporated.

For applications requiring RoHS3 compliance or where long-term procurement security is necessary, S1AB-13-F is the appropriate selection. The packaging format difference (Tape & Reel for S1AB-13-F versus unspecified for S1AB-13) does not affect electrical or mechanical performance and is a procurement consideration only.

Frequently Asked Questions (FAQ)

Q: Can S1AB-13-F be used as a direct replacement for S1AB-13?

A: Yes. S1AB-13-F is electrically and mechanically identical to S1AB-13. All voltage ratings, current ratings, forward voltage drop, reverse recovery time, leakage current, capacitance, temperature range, and package specifications are equivalent.

Q: What is the difference between S1AB-13 and S1AB-13-F?

A: The primary differences are product status and regulatory compliance. S1AB-13-F is Active and ROHS3 Compliant, while S1AB-13 is Discontinued and RoHS non-compliant. Electrical and mechanical parameters are identical.

Q: Does the Tape & Reel packaging of S1AB-13-F affect circuit performance?

A: No. Packaging format (Tape & Reel versus bulk) is a procurement and handling specification only. It does not affect electrical performance, thermal characteristics, or mechanical fit in the circuit.

Q: Are there any temperature or voltage derating considerations when substituting S1AB-13-F for S1AB-13?

A: No. Both parts operate across the identical temperature range (-65°C to 150°C junction temperature) and are rated for the same voltage (50 V DC reverse) and current (1 A average rectified) specifications.

Q: Is S1AB-13-F suitable for new product designs?

A: Yes. S1AB-13-F is Active and ROHS3 Compliant, making it appropriate for new designs. The original S1AB-13 is Discontinued and should not be specified for new production.

Q: Can S1AB-13-F be used in legacy applications originally designed for S1AB-13?

A: Yes. S1AB-13-F is a parametric equivalent and can be used in any application where S1AB-13 was originally specified, provided the circuit design does not depend on the RoHS non-compliant status of the original part.