BZT52C39 Equivalent & Substitute Parts

Part Overview

The BZT52C39 is an active-status Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation and protection applications. This surface-mount component operates at a nominal Zener voltage of 39 V with 500 mW power dissipation capability. The part is packaged in SOD-123F form factor and is ROHS3 compliant. Substitute parts are identified to provide design flexibility, inventory alternatives, and supply chain continuity while maintaining identical electrical and mechanical specifications.

Substiute Parts

BZT52C39

Taiwan Semiconductor CorporationIn Stock: 10860BZT52C39 Datasheet

Current PartRFQ

BZT52C39 RHG

Taiwan Semiconductor CorporationIn Stock: 7095BZT52C39 RHG Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BZT52C39 are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution criteria include:

• Identical nominal Zener voltage: 39 V
• Identical maximum power dissipation: 500 mW
• Identical voltage tolerance: ±5%
• Identical impedance specification: 130 Ohms maximum
• Identical reverse leakage current: 45 nA @ 27.3 V
• Identical forward voltage: 1 V @ 10 mA
• Identical operating temperature range: -65°C to 150°C
• Identical package form factor: SOD-123F
• Identical mounting type: Surface Mount
• Identical compliance status: ROHS3 compliant, REACH unaffected

The BZT52C39 RHG variant meets all these criteria and is classified as a parametric equivalent. Both parts share the same base product number (BZT52C) and are manufactured by Taiwan Semiconductor Corporation.

Parameter Comparison

Engineering Selection Recommendations

Both the BZT52C39 and BZT52C39 RHG are active-status components with full ROHS3 compliance and REACH unaffected status, making them suitable for current production designs and applications requiring environmental compliance. Selection between these parts is based on inventory availability and supply chain requirements rather than electrical or mechanical differences.

The BZT52C39 maintains 10,840 pieces in stock, while the BZT52C39 RHG variant maintains 7,049 pieces in stock. Both parts are supplied in Tape & Reel packaging suitable for automated assembly processes. The RHG variant includes specified Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage and handling.

For applications requiring immediate availability or high-volume procurement, either part may be selected based on current inventory levels. No electrical performance trade-offs exist between the two variants.

Frequently Asked Questions (FAQ)

Q: Can BZT52C39 RHG be used as a direct replacement for BZT52C39?

A: Yes. The BZT52C39 RHG is a parametric equivalent with identical electrical specifications, including Zener voltage (39 V), power rating (500 mW), tolerance (±5%), impedance (130 Ohms), and operating temperature range (-65°C to 150°C). Both parts use the SOD-123F package and are surface-mount components.

Q: Are there any differences in compliance or certifications between these parts?

A: Both parts are ROHS3 compliant and REACH unaffected. The BZT52C39 RHG includes an MSL rating of 1 (Unlimited), indicating no moisture sensitivity limitations. Both parts carry the same ECCN (EAR99) and HTSUS (8541.10.0050) classifications.

Q: What is the significance of the "RHG" suffix in BZT52C39 RHG?

A: The RHG suffix indicates a specific manufacturing variant or tape reel configuration from Taiwan Semiconductor Corporation. The suffix does not affect electrical performance or mechanical compatibility. Both parts share the same base product number (BZT52C) and are functionally equivalent.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. Both parts are surface-mount components in SOD-123F packaging with identical footprint requirements. They can be used interchangeably in automated pick-and-place assembly processes without design modifications.

Q: What is the reverse leakage current specification?

A: Both parts specify 45 nanoamperes reverse leakage current measured at 27.3 V reverse bias. This specification defines the maximum leakage current under reverse bias conditions.

Q: Are there any temperature-related differences between these parts?

A: No. Both parts operate across the identical temperature range of -65°C to 150°C junction temperature (TJ), with no performance variations between the two variants across this range.