SMCJ16A-13 Equivalent & Substitute Parts

Part Overview

The SMCJ16A-13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 16V reverse standoff voltage, 26V maximum clamping voltage, and 57.7A peak pulse current capability in a DO-214AB (SMC) package. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	16	V
Voltage - Breakdown (Min)	17.8	V
Voltage - Clamping (Max) @ Ipp	26	V
Current - Peak Pulse (10/1000µs)	57.7	A
Power - Peak Pulse	1500	W
Type	Zener	—
Unidirectional Channels	1	—
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature	-55 to 150	°C

Substitute Part Grouping Explanation

Substitution of the SMCJ16A-13 is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 16V
Voltage - Breakdown (Min): 17.8V
Voltage - Clamping (Max) @ Ipp: 26V
Unidirectional Channels: 1
Package / Case: DO-214AB or compatible surface-mount package
Mounting Type: Surface Mount

Substitute parts are grouped into three categories based on these criteria:

Category 1: Direct Electrical & Packaging Equivalents (Same Power Rating) Parts maintaining identical electrical specifications and 1500W peak pulse power rating with DO-214AB (SMC) packaging.

Category 2: Enhanced Performance Equivalents (Higher Power Rating) Parts with identical voltage specifications but increased peak pulse current and power dissipation capability, suitable for applications requiring additional margin.

Category 3: Package Variant Equivalents (Alternative Surface-Mount Package) Parts with identical electrical specifications but in alternative surface-mount packages (DO-214AC/SMA), requiring PCB layout verification.

Parameter Comparison

Part Number	Manufacturer	VWM (V)	VBR (V)	VC (V)	Ipp (A)	Power (W)	Package	Temp Range (°C)	Status	RoHS
SMCJ16A-13	Diodes Incorporated	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 150	Discontinued	Non-compliant
SMCJ16A-13-F	Diodes Incorporated	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 150	Active	ROHS3 Compliant
SMCJ16A-TP	Micro Commercial Co	16	17.8	26	57.7	1500	DO-214AB, SMC	-55 to 175	Active	ROHS3 Compliant
5.0SMDJ16A	Taiwan Semiconductor Corporation	16	17.8	26	193	5000	DO-214AB, SMC	-55 to 175	Active	ROHS3 Compliant
SMCJ16A	EVVO Semi	16	17.8	26	57.7	600	DO-214AC, SMA	-65 to 150	Active	ROHS3 Compliant
SMDJ16A	Alpha & Omega Semiconductor Inc.	16	17.8	26	115.4	3000	DO-214AB, SMC	-55 to 150	Active	ROHS3 Compliant
SMLJ16A	Bourns Inc.	16	17.8	26	115.4	3000	DO-214AB, SMC	-55 to 150	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: SMCJ16A-13-F (Diodes Incorporated)

SMCJ16A-13-F is the direct functional equivalent of the discontinued SMCJ16A-13, manufactured by the same supplier with identical electrical specifications and packaging. This part is currently active with ROHS3 compliance and 14,300 units in stock, providing immediate availability and design continuity with minimal qualification effort.

Secondary Recommendation: SMCJ16A-TP (Micro Commercial Co)

SMCJ16A-TP provides identical electrical performance with extended operating temperature range (-55 to 175°C versus -55 to 150°C) and ROHS3 compliance. This option is suitable for applications requiring enhanced thermal margin. Active status with 4,064 units in stock.

Enhanced Performance Option: SMDJ16A (Alpha & Omega Semiconductor Inc.) or SMLJ16A (Bourns Inc.)

Both SMDJ16A and SMLJ16A maintain identical voltage specifications while providing doubled peak pulse current (115.4A versus 57.7A) and doubled power dissipation (3000W versus 1500W). These parts are suitable for applications where additional transient energy absorption capacity is required. Both are ROHS3 compliant and active.

Higher Power Density Option: 5.0SMDJ16A (Taiwan Semiconductor Corporation)

5.0SMDJ16A provides the highest power dissipation capability (5000W) with tripled peak pulse current (193A) while maintaining identical voltage specifications. This part is recommended for high-energy transient environments. ROHS3 compliant and active with 9,400 units in stock.

Package Variant: SMCJ16A (EVVO Semi)

SMCJ16A in DO-214AC (SMA) package provides identical electrical specifications but requires PCB layout modification due to different package footprint. This option is suitable only when package change is acceptable. Note: Power rating is reduced to 600W.

Frequently Asked Questions (FAQ)

Q: Can SMCJ16A-13-F be used as a direct drop-in replacement for SMCJ16A-13?

A: Yes. SMCJ16A-13-F is manufactured by Diodes Incorporated with identical electrical specifications (16V standoff, 26V clamping, 57.7A peak pulse), same package (DO-214AB/SMC), and same operating temperature range (-55 to 150°C). The only difference is product status (active versus discontinued) and RoHS compliance (ROHS3 compliant). No design changes are required.

Q: What is the difference between SMCJ16A-13-F and SMDJ16A?

A: Both maintain identical voltage specifications (16V standoff, 26V clamping) and package type (DO-214AB/SMC). The primary difference is peak pulse current and power dissipation: SMCJ16A-13-F handles 57.7A and 1500W, while SMDJ16A handles 115.4A and 3000W. SMDJ16A is suitable for applications requiring higher transient energy absorption.

Q: Can I use the SMCJ16A in DO-214AC (SMA) package instead of DO-214AB (SMC)?

A: Electrical substitution is possible as voltage specifications are identical. However, DO-214AC and DO-214AB packages have different physical dimensions and PCB footprints. PCB layout modification is required. Additionally, the EVVO Semi SMCJ16A variant has reduced power rating (600W versus 1500W), which may impact performance in high-energy transient applications.

Q: Why does 5.0SMDJ16A have higher peak pulse current (193A) than the original part (57.7A)?

A: 5.0SMDJ16A is designed for higher power dissipation applications (5000W versus 1500W). The increased peak pulse current reflects the device's enhanced capability to absorb transient energy. Voltage specifications remain identical, making it suitable for designs requiring additional margin or higher transient stress conditions.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed (SMCJ16A-13-F, SMCJ16A-TP, 5.0SMDJ16A, SMCJ16A, SMDJ16A, SMLJ16A) are ROHS3 compliant. The original SMCJ16A-13 is RoHS non-compliant, which is one reason substitution is necessary for new designs.

Q: What is the operating temperature difference between SMCJ16A-13-F and SMCJ16A-TP?

A: SMCJ16A-13-F operates from -55 to 150°C, while SMCJ16A-TP extends to -55 to 175°C. The 25°C higher maximum junction temperature in SMCJ16A-TP provides additional thermal margin for applications in elevated ambient conditions or high-power dissipation scenarios.

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