SMA5C16-TP Equivalent & Substitute Parts

Part Overview

The SMA5C16-TP is a Zener diode rated at 16 V nominal voltage with 3 W maximum power dissipation in a surface mount DO-214AC (SMA) package. Manufactured by Micro Commercial Co, this component is classified as obsolete product status. Due to its obsolete designation, locating equivalent substitute parts with compatible electrical and mechanical specifications is necessary for ongoing design support and production continuity. The substitute part identified maintains the same voltage rating, power rating, and package form factor while offering improved availability through active product status.

Substiute Parts

SMA5C16-TP

Micro Commercial CoIn Stock: 873SMA5C16-TP Datasheet

Current PartRFQ

3SMAJ5930B-TP

Micro Commercial CoIn Stock: 62343SMAJ5930B-TP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMA5C16-TP with the 3SMAJ5930B-TP is based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

• Voltage - Zener (Nom): Both rated at 16 V
• Power - Max: Both rated at 3 W
• Package / Case: Both use DO-214AC (SMA) surface mount package
• Mounting Type: Both are surface mount components
• RoHS Status: Both are ROHS3 compliant
• Moisture Sensitivity Level: Both rated MSL 1 (Unlimited)

Tolerance Variation: The substitute part features ±5% tolerance compared to the main part's ±5.63% tolerance, representing a tighter specification that remains within acceptable substitution parameters for Zener diode applications.

Impedance and Leakage Characteristics: The substitute part exhibits lower maximum impedance (10 Ohms vs. 15 Ohms) and higher reverse leakage current (1 µA @ 12.2 V vs. 500 nA @ 12 V), which are acceptable variations for equivalent functionality in standard Zener regulation circuits.

Parameter Comparison

Engineering Selection Recommendations

The 3SMAJ5930B-TP serves as a direct substitute for the obsolete SMA5C16-TP based on electrical and mechanical compatibility. The substitute part is manufactured by the same supplier (Micro Commercial Co) and maintains identical voltage and power ratings with the same surface mount package footprint.

Product Status Advantage: The substitute part carries active product status, ensuring continued availability and supply chain reliability compared to the obsolete main part. This transition eliminates long-term sourcing risk.

Compliance Alignment: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. The substitute part includes REACH Unaffected status, providing additional regulatory documentation.

Operating Temperature Consideration: The substitute part operates across -55°C to 150°C, compared to the main part's -65°C to 150°C range. This represents a 10°C reduction in the lower temperature limit. Applications requiring operation below -55°C require evaluation against specific circuit requirements.

Electrical Parameter Variations: The substitute part's tighter tolerance (±5% vs. ±5.63%), lower impedance (10 Ohms vs. 15 Ohms), and slightly higher forward voltage drop (1.5 V vs. 1.2 V @ 200 mA) are within acceptable ranges for standard Zener regulation applications. These variations do not preclude direct substitution in typical circuit implementations.

Frequently Asked Questions (FAQ)

Q: Can the 3SMAJ5930B-TP directly replace the SMA5C16-TP in existing designs?

A: Yes. Both parts share identical voltage ratings (16 V), power ratings (3 W), and package specifications (DO-214AC, SMA surface mount). The electrical parameter variations fall within acceptable substitution ranges for Zener diode applications.

Q: What is the significance of the product status change from Obsolete to Active?

A: The substitute part's active status ensures ongoing manufacturing and availability. The obsolete designation of the main part indicates discontinued production, making the active substitute necessary for production continuity and future component procurement.

Q: Are there packaging differences between these parts?

A: Both parts use identical DO-214AC (SMA) surface mount packaging. The main part is supplied in standard packaging, while the substitute is supplied in Tape & Reel (TR) format. Both are compatible with automated assembly processes.

Q: How do the tolerance specifications affect circuit performance?

A: The substitute part's ±5% tolerance is tighter than the main part's ±5.63% tolerance. This represents improved voltage regulation accuracy and does not negatively impact circuit performance. Applications with strict voltage tolerance requirements benefit from this specification improvement.

Q: What is the impact of the operating temperature range difference?

A: The substitute part's lower temperature limit is -55°C compared to the main part's -65°C. For applications operating above -55°C, this difference is not relevant. Applications requiring operation below -55°C must evaluate circuit requirements against the substitute part's temperature specification.

Q: Are both parts RoHS compliant?

A: Yes. Both the SMA5C16-TP and 3SMAJ5930B-TP are ROHS3 compliant. The substitute part additionally carries REACH Unaffected status, providing comprehensive regulatory compliance documentation.

Q: What are the impedance differences and their implications?

A: The substitute part has lower maximum impedance (10 Ohms vs. 15 Ohms). Lower impedance generally improves voltage regulation performance and response characteristics in Zener regulation circuits. This represents a performance advantage in standard applications.