SMCJ16CA-13 Transient Voltage Suppressor (TVS) Diode Equivalent & Substitute Parts

Part Overview

The SMCJ16CA-13 is a 16V Zener transient voltage suppressor diode manufactured by Diodes Incorporated in DO-214AB (SMC) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 26V maximum clamping voltage and 57.7A peak pulse current rating. The original part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers that maintain the same electrical performance characteristics and package compatibility.

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
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature Range	-55°C to 150°C	TJ
Type	Zener	—
Bidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution eligibility for the SMCJ16CA-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
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Substitute parts are grouped into two categories based on peak pulse current and power dissipation capacity:

Category A - Direct Electrical Equivalents (57.7A / 1500W): Parts maintaining identical peak pulse current and power ratings as the original SMCJ16CA-13.

Category B - Higher Performance Equivalents (115.4A+ / 3000W+): Parts with superior current handling and power dissipation that maintain all voltage parameters and package specifications. These provide enhanced transient protection capability while remaining pin-compatible and functionally interchangeable.

Parameter Comparison

Part Number	Manufacturer	VWM (V)	VBR (V)	VC (V)	Ipp (A)	PPP (W)	Package	Status	RoHS
SMCJ16CA-13	Diodes Incorporated	16	17.8	26	57.7	1500	DO-214AB, SMC	Discontinued	Non-compliant
SMCJ16CA-13-F	Diodes Incorporated	16	17.8	26	57.7	1500	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ16CA-TP	Micro Commercial Co	16	17.8	26	57.7	1500	DO-214AB, SMC	Active	ROHS3 Compliant
SMCJ16CA	MDD	16	17.8	26	57.7	1500	DO-214AB, SMC	Active	ROHS3 Compliant
5.0SMDJ16CA-T7	Littelfuse Inc.	16	17.8	26	193	5000	DO-214AB, SMC	Active	ROHS3 Compliant
5.0SMDJ16CA	MDE Semiconductor Inc	16	17.8	26	193	5000	DO-214AB, SMC	Active	ROHS3 Compliant
SMDJ16CA	Alpha & Omega Semiconductor Inc.	16	17.8	26	115.4	3000	DO-214AB, SMC	Active	ROHS3 Compliant
SMDJ16CA-T7	Littelfuse	16	17.8	26	115.4	3000	DO-214AB, SMC	Active	ROHS3 Compliant
SMLJ16CA	Bourns Inc.	16	17.8	26	115.4	3000	DO-214AB, SMC	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation - Direct Replacement:

SMCJ16CA-13-F (Diodes Incorporated) is the direct successor to SMCJ16CA-13. It maintains identical electrical specifications and package configuration while offering active product status and ROHS3 compliance. This part is the preferred choice for applications requiring exact electrical equivalence with modern regulatory compliance.

Alternative Direct Replacements:

SMCJ16CA-TP (Micro Commercial Co) and SMCJ16CA (MDD) provide equivalent electrical performance with active status and ROHS3 compliance. Both are suitable for direct substitution where manufacturer preference is not specified.

Enhanced Performance Alternatives:

SMDJ16CA (Alpha & Omega Semiconductor Inc.), SMDJ16CA-T7 (Littelfuse), and SMLJ16CA (Bourns Inc.) offer 115.4A peak pulse current and 3000W power dissipation, providing superior transient suppression capability. These parts maintain all voltage specifications and package compatibility while delivering enhanced protection margins.

5.0SMDJ16CA-T7 (Littelfuse Inc.) and 5.0SMDJ16CA (MDE Semiconductor Inc.) provide the highest performance tier with 193A peak pulse current and 5000W power dissipation. These are suitable for applications requiring maximum transient protection within the same package footprint.

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

Frequently Asked Questions (FAQ)

Q: Can SMCJ16CA-13-F be used as a direct replacement for SMCJ16CA-13?

A: Yes. SMCJ16CA-13-F maintains identical voltage ratings (16V standoff, 17.8V breakdown, 26V clamping), peak pulse current (57.7A), power dissipation (1500W), and DO-214AB SMC package configuration. The primary difference is product status (active vs. discontinued) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What is the difference between SMCJ16CA and SMDJ16CA?

A: Both maintain identical voltage specifications and package type. SMDJ16CA provides higher peak pulse current (115.4A vs. 57.7A) and power dissipation (3000W vs. 1500W). SMDJ16CA is suitable for applications requiring enhanced transient protection while remaining pin-compatible.

Q: Are the 5.0SMDJ series parts compatible with the original SMCJ16CA-13?

A: Yes, from a package and voltage perspective. The 5.0SMDJ16CA-T7 and 5.0SMDJ16CA maintain the same 16V standoff voltage, 17.8V breakdown voltage, 26V clamping voltage, and DO-214AB SMC package. However, they provide significantly higher peak pulse current (193A) and power dissipation (5000W), making them suitable only for applications where enhanced protection capability is acceptable.

Q: What does "RoHS3 Compliant" mean for this component?

A: RoHS3 compliance indicates the part meets the Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials. The original SMCJ16CA-13 is RoHS non-compliant, while all active substitutes are ROHS3 compliant, making them suitable for modern manufacturing and regulatory requirements.

Q: Can I use SMLJ16CA (Bourns) instead of SMCJ16CA-13?

A: Yes. SMLJ16CA maintains all critical voltage parameters (16V standoff, 17.8V breakdown, 26V clamping) and DO-214AB SMC package compatibility. It provides 115.4A peak pulse current and 3000W power dissipation, offering enhanced protection capability while remaining functionally interchangeable.

Q: What is the operating temperature range difference between substitutes?

A: The original SMCJ16CA-13 operates from -55°C to 150°C. SMCJ16CA-TP extends to -55°C to 175°C, and 5.0SMDJ16CA-T7 operates from -65°C to 150°C. These variations should be evaluated against specific application temperature requirements.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All listed substitute parts are available in Tape & Reel (TR) packaging, suitable for automated assembly processes. The original SMCJ16CA-13 packaging specification was not provided, but all substitutes maintain standard surface mount packaging formats compatible with standard pick-and-place equipment.

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