SL3200A-TP Equivalent & Substitute Parts

Part Overview

The SL3200A-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 200V DC reverse voltage and 3A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this diode specification.

Substiute Parts

SL3200A-TP

Micro Commercial CoIn Stock: 5112SL3200A-TP Datasheet

Current PartRFQ

SK3200A-LTP

Micro Commercial CoIn Stock: 50165SK3200A-LTP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SL3200A-TP is based on electrical and mechanical parameter equivalence within the Schottky rectifier diode category. The substitute part SK3200A-LTP maintains the following critical parameters:

• Voltage - DC Reverse (Vr) (Max): 200 V
• Current - Average Rectified (Io): 3 A
• Technology: Schottky
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The SK3200A-LTP differs in packaging format (Tape & Reel versus Cut Tape), forward voltage specification, reverse leakage current, and maximum operating junction temperature. These differences are within acceptable tolerance ranges for Schottky diode applications and do not preclude functional substitution.

Parameter Comparison

Engineering Selection Recommendations

The SK3200A-LTP is the manufacturer-recommended substitute for the obsolete SL3200A-TP. Selection of the SK3200A-LTP is supported by the following factors:

Product Status: The SK3200A-LTP maintains active product status, ensuring continued availability and supply chain support. The SL3200A-TP is classified as obsolete, making the substitute necessary for ongoing production.

Compliance: Both parts maintain ROHS3 compliance and identical Moisture Sensitivity Level (MSL) ratings, satisfying regulatory and environmental requirements.

Electrical Equivalence: Core electrical parameters—reverse voltage rating, average rectified current, technology type, and switching speed—are identical between the main part and substitute. Forward voltage and reverse leakage current variations are within acceptable operational margins for Schottky rectifier applications.

Thermal Performance: The SK3200A-LTP provides an extended maximum operating junction temperature range (-55°C ~ 175°C versus -55°C ~ 150°C), offering improved thermal margin in high-temperature applications.

Packaging Compatibility: Both parts utilize identical DO-214AC (SMA) surface mount packages, ensuring mechanical and electrical compatibility with existing PCB designs. The packaging format difference (Tape & Reel versus Cut Tape) affects supply and handling but does not impact circuit performance.

Frequently Asked Questions (FAQ)

Q: Can the SK3200A-LTP be used as a direct replacement for the SL3200A-TP in existing designs?

A: Yes. The SK3200A-LTP is electrically and mechanically compatible with the SL3200A-TP. Both parts share identical voltage ratings, current ratings, package type, and mounting configuration. The substitute maintains all critical Schottky diode specifications required for functional equivalence.

Q: What is the significance of the forward voltage difference between the two parts?

A: The SL3200A-TP specifies a maximum forward voltage of 800 mV at 3A, while the SK3200A-LTP specifies 860 mV at 3A. This 60 mV difference is within normal manufacturing tolerance for Schottky diodes and does not preclude substitution. Circuit designs must account for forward voltage variation as a standard design practice.

Q: Why does the SK3200A-LTP have a higher reverse leakage current specification?

A: The SK3200A-LTP specifies reverse leakage current of 10 µA at 200V, compared to 5 µA at 150V for the SL3200A-TP. The measurement conditions differ (200V versus 150V), and the higher specification reflects normal manufacturing variation. This difference does not impact circuit functionality in standard rectifier applications.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging supplies components in individual strips, suitable for manual assembly or small-volume production. Tape & Reel packaging supplies components on continuous reels, optimized for automated assembly equipment. Both formats contain identical components; the difference affects supply chain logistics and assembly processes, not electrical performance.

Q: Does the extended operating temperature range of the SK3200A-LTP affect substitution suitability?

A: No. The SK3200A-LTP's extended maximum junction temperature (-55°C ~ 175°C versus -55°C ~ 150°C) provides additional thermal margin and does not create incompatibility. Designs operating within the original temperature range of the SL3200A-TP remain fully compatible with the substitute.

Q: Are both parts RoHS compliant?

A: Yes. Both the SL3200A-TP and SK3200A-LTP maintain ROHS3 compliance, satisfying environmental and regulatory requirements for electronic component manufacturing and use.