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Equivalent & Substitute Parts Reference for GDZT2R6.2 (Rohm Semiconductor)
Part Overview
The GDZT2R6.2, manufactured by Rohm Semiconductor, is a Zener diode specified for a 6.2 V nominal Zener voltage, 100 mW maximum power rating, and a ±5% voltage tolerance. It features surface-mount construction in the 0201 (0603 Metric) GMD2 package. The product status is listed as "Obsolete," necessitating the identification of equivalent and substitute Zener diode alternatives with comparable electrical and mechanical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | GDZT2R6.2 |
| Manufacturer | Rohm Semiconductor |
| Category | Diodes, Zener |
| Voltage - Zener (Nom) (Vz) | 6.2 V |
| Tolerance | ±5% |
| Power - Max | 100 mW |
| Current - Reverse Leakage @ Vr | 1 µA @ 3 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 0201 (0603 Metric) |
| RoHS Status | ROHS3 Compliant |
| MSL | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitute selections are strictly based on matching electrical characteristics (Zener voltage, tolerance, power rating, reverse leakage current), mechanical compatibility (surface mount, package/case), regulatory compliance (RoHS3, REACH Status), and product status. All substitutes must adhere to the following parameters:
- Zener voltage (Vz)
- Voltage tolerance
- Maximum power rating
- Reverse leakage current
- Operating temperature range
- Mounting type and package compatibility
- Compliance certifications (RoHS, REACH, ECCN)
- Product availability status
Parameter Comparison
| Part Number | Manufacturer | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Current - Reverse Leakage @ Vr | Operating Temperature | Mounting Type | Package / Case | RoHS Status | MSL | REACH Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GDZT2R6.2 | Rohm Semiconductor | 6.2 V | ±5% | 100 mW | 1 µA @ 3 V | -55°C ~ 125°C | Surface Mount | 0201 (0603 Metric) | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | Obsolete |
| SDZT15R6.2 | Rohm Semiconductor | 6.2 V | ±5% | 100 mW | 1 µA @ 3 V | 150°C | Surface Mount | 2-SMD, No Lead | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | Active |
| ADZT15R6.2B | Rohm Semiconductor | 6.2 V | ±2.54% | 100 mW | 1 µA @ 3 V | 150°C (TJ) | Surface Mount | 0201 (0603 Metric) | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | Active |
| NZD5V6MUT5G | onsemi | 5.6 V | ±5% | 300 mW | 1 µA @ 2.5 V | -55°C ~ 150°C | Surface Mount | 0201 (0603 Metric) | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | Active |
Engineering Selection Recommendations
The original part, GDZT2R6.2, is reported as obsolete. Substitute parts SDZT15R6.2 and ADZT15R6.2B from Rohm Semiconductor, as well as NZD5V6MUT5G from onsemi, are active status components. All listed substitutes provide RoHS3 compliant and REACH unaffected certification, matching the compliance criteria of GDZT2R6.2. Product selection should be limited to parts with active status and required compliance documentation.
Frequently Asked Questions (FAQ)
Q1: What are the primary electrical parameters to assess for substitution in Zener diodes?
A1: Key parameters include Zener voltage (Vz), voltage tolerance, maximum power rating, and reverse leakage current.
Q2: Is package size important when selecting a substitute Zener diode?
A2: Yes. The mechanical package, such as 0201 (0603 Metric), determines physical compatibility with the PCB footprint.
Q3: Why is compliance status relevant for substitute selection?
A3: Compliance status (RoHS3, REACH, ECCN) ensures regulatory adherence for environmental and export requirements.
Q4: Can higher maximum power ratings be used as substitutes?
A4: Substitution permitted strictly by provided parameters. The substitute should meet or exceed maximum power requirements.
Q5: Why is the product status 'Obsolete' critical in selection?
A5: Obsolete status prompts sourcing alternatives that are actively manufactured and available in inventory.
Q6: Are all presented substitutes compatible for surface mount applications?
A6: Substitute parts listed provide surface mount capability matching the original mounting type.
Q7: Is tolerance critical for Zener voltage?
A7: Voltage tolerance impacts regulation precision and must be compared to the original specification for compatibility.
Q8: How should reverse leakage specifications be considered?
A8: Match or improve upon the specified reverse leakage current at the indicated voltage for device equivalence.
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