SMAJ16C-E3/61 Equivalent & Substitute Parts

Part Overview

The SMAJ16C-E3/61 is a 16V transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, housed in a DO-214AC (SMA) surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The part operates across a temperature range of -55°C to 150°C and provides 400W peak pulse power dissipation for general-purpose transient protection applications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	16	V
Voltage - Breakdown (Min)	17.8	V
Voltage - Clamping (Max) @ Ipp	28.8	V
Current - Peak Pulse (10/1000µs)	13.9	A
Power - Peak Pulse	400	W
Operating Temperature Range	-55 to 150	°C
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Type	Zener	—
Bidirectional Channels	1	—

Substitute Part Grouping Explanation

Substitution eligibility for the SMAJ16C-E3/61 is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 16V
Voltage - Breakdown (Min): 17.8V
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Type: Zener
Bidirectional Channels: 1

Allowable Variation Parameters:

Voltage - Clamping (Max) @ Ipp: 26V to 28.8V (lower clamping voltage acceptable for improved transient suppression)
Current - Peak Pulse (10/1000µs): 13.9A minimum (higher current capability acceptable)
Power - Peak Pulse: 400W minimum (higher power dissipation acceptable)
Operating Temperature Range: -55°C minimum to 150°C maximum (extended ranges acceptable)

Substitute parts must maintain identical reverse standoff voltage, breakdown voltage, package form factor, and mounting technology. Variations in clamping voltage, peak pulse current, and power dissipation are acceptable when the substitute provides equal or superior performance characteristics.

Parameter Comparison

Parameter	SMAJ16C-E3/61 (Main)	SMAJ16CA-E3/61	SMA6J16CA-TP	SMAJ16CA	SMAJ16CA-13-F	SMAJ16CE3/TR13	SZ1SMA16CAT3G	TV04A160JB-HF
Manufacturer	Vishay	Vishay	Micro Commercial Co	MDD	Diodes Inc.	Microchip	Littelfuse	Comchip
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Voltage - Reverse Standoff (Typ)	16V	16V	16V	16V	16V	16V	16V	16V
Voltage - Breakdown (Min)	17.8V	17.8V	17.8V	17.8V	17.8V	17.8V	17.8V	17.8V
Voltage - Clamping (Max) @ Ipp	28.8V	26V	26V	26V	26V	28.8V	26V	26V
Current - Peak Pulse (10/1000µs)	13.9A	15.4A	23.1A	15.4A	15.3A	17.6A	15.4A	15.38A
Power - Peak Pulse	400W	400W	600W	400W	400W	500W	400W	400W
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-55 to 175°C	-50 to 150°C	-55 to 150°C	-65 to 150°C	-65 to 150°C	-55 to 150°C
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Type	Zener	Zener	Zener	Zener	Zener	Zener	Zener	Zener
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts maintain electrical and mechanical compatibility with the SMAJ16C-E3/61 across the critical parameters of reverse standoff voltage, breakdown voltage, and package form factor.

Primary Recommendation - Direct Replacement: SMAJ16CA-E3/61 (Vishay) is the direct active equivalent, maintaining identical clamping voltage (28.8V) and operating temperature range (-55°C to 150°C). This part carries ROHS3 compliance and MSL 1 rating, matching the original specification profile.

Alternative Selections with Enhanced Performance: SMAJ16CE3/TR13 (Microchip) provides identical clamping voltage (28.8V) with extended lower temperature operation (-65°C) and increased peak pulse current (17.6A) and power dissipation (500W). ROHS3 compliant with MSL 1 rating.

SMA6J16CA-TP (Micro Commercial Co) offers the highest peak pulse current (23.1A) and power dissipation (600W) with extended upper temperature operation (-55°C to 175°C). Suitable for applications requiring superior transient energy absorption.

Standard Substitutes with Reduced Clamping Voltage: SMAJ16CA (MDD), SMAJ16CA-13-F (Diodes Incorporated), SZ1SMA16CAT3G (Littelfuse), and TV04A160JB-HF (Comchip) all provide 26V clamping voltage with peak pulse currents between 15.3A and 15.4A. These parts are suitable for applications where lower clamping voltage improves transient suppression performance. SZ1SMA16CAT3G includes automotive qualification (AEC-Q101) and extended temperature range (-65°C to 150°C).

All substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can SMAJ16CA-E3/61 be used as a direct replacement for SMAJ16C-E3/61? A: Yes. SMAJ16CA-E3/61 is the active equivalent manufactured by Vishay, maintaining identical reverse standoff voltage (16V), breakdown voltage (17.8V), clamping voltage (28.8V), operating temperature range (-55°C to 150°C), and DO-214AC SMA package specifications.

Q: What is the difference between the 28.8V and 26V clamping voltage variants? A: The main part and SMAJ16CE3/TR13 clamp at 28.8V maximum. The remaining substitutes (SMAJ16CA, SMAJ16CA-13-F, SZ1SMA16CAT3G, TV04A160JB-HF) clamp at 26V maximum. Lower clamping voltage provides tighter transient suppression but requires verification that the protected circuit can tolerate the reduced clamping threshold.

Q: Are all substitute parts available in the same packaging format? A: All substitute parts use the DO-214AC (SMA) surface mount package. Packaging options vary by manufacturer: SMAJ16CA-E3/61 and SMAJ16CE3/TR13 are supplied in Tape & Reel format; SMAJ16CA is supplied in bulk; others are available in Tape & Reel. Verify packaging requirements with your procurement specification.

Q: Which substitute offers the best performance for high-energy transient events? A: SMA6J16CA-TP (Micro Commercial Co) provides the highest peak pulse current (23.1A) and power dissipation (600W), making it suitable for applications requiring superior transient energy absorption. It also supports extended upper temperature operation to 175°C.

Q: Is automotive qualification available for this voltage class? A: Yes. SZ1SMA16CAT3G (Littelfuse) carries AEC-Q101 automotive qualification with extended temperature range (-65°C to 150°C), suitable for automotive and harsh environment applications.

Q: Do all substitutes meet RoHS compliance requirements? A: All listed substitutes carry ROHS3 compliance certification. Moisture sensitivity level is MSL 1 (Unlimited) for all parts except SMA6J16CA-TP, where MSL is not specified. Verify MSL requirements with your manufacturing process specifications.

Q: Can I use a substitute with higher peak pulse current rating in place of the original? A: Yes. Substitutes with equal or higher peak pulse current ratings (13.9A minimum) are electrically compatible. Higher current capability provides additional margin for transient energy absorption without affecting circuit operation.

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