SMCJ58A-13 Equivalent & Substitute Parts

Part Overview

The SMCJ58A-13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in DO-214AB (SMC) surface mount package. This component is designed for general-purpose overvoltage protection with a 58V reverse standoff voltage and 93.6V maximum clamping voltage at 16A peak pulse current. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.

Substiute Parts

SMCJ58A-13

Diodes IncorporatedIn Stock: 1046SMCJ58A-13 Datasheet

Current PartRFQ

SMCJ58A-13-F

Diodes IncorporatedIn Stock: 15350SMCJ58A-13-F Datasheet

DirectRFQ

SMCJ58A-TP

Micro Commercial CoIn Stock: 7118SMCJ58A-TP Datasheet

DirectRFQ

5.0SMDJ58A

Taiwan Semiconductor CorporationIn Stock: 293475.0SMDJ58A Datasheet

MFR RecommendedRFQ

5.0SMDJ58A-T7

Littelfuse Inc.In Stock: 19365.0SMDJ58A-T7 Datasheet

MFR RecommendedRFQ

SMCJ58A

MDDIn Stock: 105205SMCJ58A Datasheet

MFR RecommendedRFQ

SMCJ58A

MDDIn Stock: 105205SMCJ58A Datasheet

MFR RecommendedRFQ

SMCJ58A

MDDIn Stock: 105205SMCJ58A Datasheet

MFR RecommendedRFQ

SMDJ58A

Alpha & Omega Semiconductor Inc.In Stock: 15716SMDJ58A Datasheet

MFR RecommendedRFQ

SMDJ58A-T7

Littelfuse Inc.In Stock: 2014SMDJ58A-T7 Datasheet

MFR RecommendedRFQ

SMLJ58A

Bourns Inc.In Stock: 109955SMLJ58A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMCJ58A-13 are classified into two functional groups based on electrical performance and power dissipation capacity:

Group 1: Direct Electrical Equivalents (1500W Class) These parts maintain identical voltage specifications (58V standoff, 93.6V clamp) and equivalent peak pulse current ratings (16–16.1A), with 1500W peak pulse power matching the original design. Substitution within this group requires only verification of package compatibility and RoHS/compliance status.

Group 2: Enhanced Performance Alternatives (3000W–5000W Class) These parts maintain identical voltage specifications but provide higher peak pulse current ratings (32–54.6A) and proportionally increased power dissipation (3000W–5000W). These are suitable only when circuit design permits higher current handling without compromising protection response or when enhanced transient energy absorption is required.

Key Parameters Determining Substitution:

• Voltage - Reverse Standoff: 58V (fixed)
• Voltage - Clamping (Max) @ Ipp: 93.6V (fixed)
• Package / Case: DO-214AB, SMC (fixed)
• Unidirectional Channels: 1 (fixed)
• Type: Zener (fixed)

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (1500W Class): SMCJ58A-13-F (Diodes Incorporated) is the primary direct substitute, offering identical electrical specifications with active product status and ROHS3 compliance. SMCJ58A-TP (Micro Commercial Co) and SMCJ58A (MDD) provide equivalent performance with extended temperature ranges (-55 to 175°C and -50 to 150°C respectively) and active status.

For Enhanced Protection (3000W Class): SMLJ58A (Bourns Inc.), SMDJ58A (Alpha & Omega Semiconductor Inc.), and SMDJ58A-T7 (Littelfuse Inc.) maintain voltage specifications while doubling peak pulse current and power dissipation. These are suitable for applications requiring higher transient energy absorption within the same voltage protection window.

For Maximum Protection (5000W Class): 5.0SMDJ58A (Taiwan Semiconductor Corporation) and 5.0SMDJ58A-T7 (Littelfuse Inc.) provide the highest peak pulse current (54.6A) and power dissipation (5000W) while maintaining identical voltage characteristics. These are appropriate for high-energy transient environments.

All recommended substitutes are ROHS3 compliant and carry active product status, ensuring long-term supply availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can SMCJ58A-13-F be used as a direct drop-in replacement for SMCJ58A-13? A: Yes. SMCJ58A-13-F maintains identical voltage specifications (58V standoff, 93.6V clamp), peak pulse current (16A), power dissipation (1500W), and DO-214AB package. The primary difference is active product status and ROHS3 compliance versus the discontinued non-compliant original.

Q: What is the difference between 1500W, 3000W, and 5000W rated parts? A: These ratings reflect peak pulse power dissipation capacity. The 1500W class (SMCJ58A-13, SMCJ58A-13-F, SMCJ58A-TP, SMCJ58A) handles 16–16.1A peak pulse current. The 3000W class (SMLJ58A, SMDJ58A, SMDJ58A-T7) handles 32–32.1A. The 5000W class (5.0SMDJ58A, 5.0SMDJ58A-T7) handles 54.6A. All maintain identical voltage protection levels.

Q: Are higher power-rated parts backward compatible with designs using the 1500W SMCJ58A-13? A: Yes, from an electrical protection standpoint. Higher power-rated parts provide identical voltage clamping and standoff characteristics. However, circuit board thermal design and PCB copper area must accommodate the increased power dissipation if the device experiences repeated high-current transients.

Q: Does package compatibility differ among these substitutes? A: All listed substitutes use DO-214AB (SMC) surface mount package, ensuring mechanical and footprint compatibility. Verify PCB layout accommodates the specific manufacturer's dimensional tolerances if switching between suppliers.

Q: What compliance differences exist between the original SMCJ58A-13 and active substitutes? A: The original SMCJ58A-13 is RoHS non-compliant. All active substitutes listed are ROHS3 compliant. For applications requiring REACH compliance, verify individual part datasheets, as some manufacturers report REACH Affected status.

Q: Which substitute offers the widest operating temperature range? A: SMCJ58A-TP (Micro Commercial Co) and 5.0SMDJ58A (Taiwan Semiconductor Corporation) both support -55 to 175°C, providing the widest range among 1500W and 5000W classes respectively.