GDZT2R6.2B Zener Diode Equivalent & Substitute Parts

Part Overview

The GDZT2R6.2B is a 6.2 V zener diode rated for 100 mW maximum power dissipation, manufactured by Rohm Semiconductor in the GMD2 package (0201/0603 Metric). This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design and procurement requirements. The substitute part SDZT15R6.2 provides functional equivalence while maintaining active product status and full compliance with applicable regulatory standards.

Substiute Parts

GDZT2R6.2B

Rohm SemiconductorIn Stock: 61443GDZT2R6.2B Datasheet

Current PartRFQ

SDZT15R6.2

Rohm SemiconductorIn Stock: 5983SDZT15R6.2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GDZT2R6.2B with the SDZT15R6.2 is valid based on the following electrical and mechanical equivalence criteria:

Electrical Parameters (Identical):

• Zener voltage: 6.2 V nominal
• Maximum power dissipation: 100 mW
• Reverse leakage current: 1 µA @ 3 V
• Operating temperature: 150°C junction temperature

Tolerance Consideration: The GDZT2R6.2B specifies ±5.4% tolerance, while the SDZT15R6.2 specifies ±5% tolerance. The substitute part exhibits tighter tolerance, ensuring compatibility with applications designed for the original part's tolerance band.

Mounting and Package Compatibility: Both components are surface mount zener diodes. The GDZT2R6.2B uses GMD2 package (0201/0603 Metric), and the SDZT15R6.2 uses SMD0603 package (2-SMD, No Lead). These packages are mechanically and electrically compatible for PCB placement and circuit operation.

Regulatory and Compliance Alignment: Both parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), REACH Unaffected status, and identical ECCN and HTSUS classifications, ensuring no regulatory barriers to substitution.

Product Status: The substitute part (SDZT15R6.2) carries Active product status, providing long-term availability and supply chain continuity compared to the obsolete GDZT2R6.2B.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SDZT15R6.2

The SDZT15R6.2 is the direct functional equivalent for the obsolete GDZT2R6.2B. Selection of this substitute part is supported by:

1. Electrical Equivalence: All critical electrical parameters (zener voltage, power rating, leakage current, operating temperature) are identical between the main part and substitute.

2. Regulatory Compliance: Both components maintain identical ROHS3, REACH, and MSL certifications, eliminating compliance-related substitution barriers.

3. Active Product Status: The SDZT15R6.2 carries Active status, ensuring sustained availability and supply chain reliability for new designs and production runs.

4. Tolerance Improvement: The substitute part's ±5% tolerance is tighter than the original ±5.4%, providing enhanced voltage regulation precision without introducing incompatibility.

5. Package Compatibility: The SMD0603 package of the SDZT15R6.2 is mechanically and electrically compatible with the GMD2 (0603 Metric) package of the GDZT2R6.2B, supporting direct PCB layout substitution.

Frequently Asked Questions (FAQ)

Q: Can the SDZT15R6.2 be used as a direct replacement for the GDZT2R6.2B in existing designs?

A: Yes. The SDZT15R6.2 provides direct electrical and mechanical substitution. Both components share identical zener voltage (6.2 V), power rating (100 mW), leakage current (1 µA @ 3 V), and operating temperature (150°C). Package compatibility between GMD2 and SMD0603 supports direct PCB placement substitution.

Q: What is the difference in tolerance between these parts?

A: The GDZT2R6.2B specifies ±5.4% tolerance, while the SDZT15R6.2 specifies ±5% tolerance. The substitute part exhibits tighter tolerance, which enhances voltage regulation accuracy and remains compatible with applications designed for the original part's tolerance specification.

Q: Are there any regulatory or compliance differences between the main part and substitute?

A: No. Both the GDZT2R6.2B and SDZT15R6.2 maintain identical ROHS3 compliance, MSL Level 1 (Unlimited), REACH Unaffected status, and identical ECCN and HTSUS classifications. No regulatory barriers exist to substitution.

Q: Why is the GDZT2R6.2B classified as obsolete?

A: The GDZT2R6.2B carries Obsolete product status, indicating discontinued manufacturing and limited availability. The SDZT15R6.2, classified as Active, provides sustained supply chain continuity and is the recommended alternative for new designs and ongoing production.

Q: Are the package designations GMD2 and SMD0603 interchangeable?

A: Yes. Both designations refer to compatible surface mount packages. GMD2 is the supplier device package designation for the GDZT2R6.2B, while SMD0603 is the supplier device package designation for the SDZT15R6.2. Both packages support identical PCB footprints and placement procedures for 0603 Metric form factor components.

Q: What inventory status should be considered when selecting between these parts?

A: The GDZT2R6.2B shows 61,400 pieces in stock (obsolete status), while the SDZT15R6.2 shows 5,945 pieces in stock (active status). For new designs and long-term production, the SDZT15R6.2 is the appropriate selection due to its active product status and sustained availability.