SMBJ5370B/TR13

Single Zener Diodes Overview

The SMBJ5370B/TR13 is a surface mount 5.0 watt Zener diode manufactured by Microchip Technology, equivalent to the JEDEC registered 1N5370B series. It features a breakdown voltage of 56 V with a ±5% tolerance and operates within a junction temperature range of -65°C to +150°C. The device utilizes a DO-214AA (SMB) package with gull-wing leads for visible solder connections. Electrical characteristics include a maximum dynamic impedance of 35 Ohms at a test current of 20 mA, a maximum reverse current of 0.5 µA at 40.3 V, and a maximum regulator current of 86 mA.

Single Zener Diodes Feature Summary

• Surface mount design compatible with high-density and low-profile mounting requirements.
• Provides stable voltage regulation across broad operating current and temperature ranges.
• Moisture classification Level 1 per IPC/JEDEC J-STD-020B, eliminating dry pack requirements.

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• High surge stress environments
• Low-profile surface mount assemblies

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and specific suffix variations against official datasheets. Ensure storage conditions align with moisture sensitivity level 1 guidelines. Validate ordering information matches exact part number specifications before purchase.

Single Zener Diodes Selection Notes

Select this component for applications requiring precise 56 V regulation with tight tolerance constraints. Consider thermal resistance values when designing heat dissipation strategies. Verify compatibility with existing footprint layouts due to the specific DO-214AA package dimensions.

Single Zener Diodes Part Context

This component belongs to the SMBG5333B through SMBG5388B series of surface mount silicon Zener diodes. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by suffix letters. These devices are designed as direct equivalents to traditional axial-leaded counterparts while providing modern surface mount advantages.

Single Zener Diodes Replacement Considerations

Direct replacements include other SMBJ5370 variants or equivalent JEDEC registered 1N5370B parts. Verify package type and lead configuration match the target application board layout. Check electrical parameters such as power rating and voltage tolerance to ensure functional equivalence.