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Equivalent & Substitute Parts for GDZT2R8.2 (Rohm Semiconductor)
Part Overview
The GDZT2R8.2 is an obsolete Zener diode manufactured by Rohm Semiconductor. It features an 8.2 V nominal Zener voltage, 100 mW power handling, ±5% tolerance, and is supplied in a GMD2 surface-mount package. Due to its obsolete status, sourcing alternatives with matching electrical and mechanical parameters is necessary for continuity in designs requiring 8.2 V, low-power Zener diodes.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Category | Diodes, Zener |
| Voltage - Zener (Nom) (Vz) | 8.2 V |
| Tolerance | ±5% |
| Power - Max | 100 mW |
| Current - Reverse Leakage @ Vr | 500 nA @ 5 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 0201 (0603 Metric) |
| Supplier Device Package | GMD2 |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution is strictly based on matching electrical parameters and mechanical package compatibility. Only parts that meet the following criteria are considered as substitutes:
- Zener voltage of 8.2 V
- Power rating of 100 mW
- Tolerance within ±5% or better
- Reverse leakage current at 500 nA @ 5 V
- Surface mount (SMD) configuration
- Package size and pin footprint compatibility with 0201 (0603 Metric) or equivalent SMD0603 packages
- RoHS and REACH compliance
- MSL 1 (Unlimited)
Parameter Comparison
| Parameter | GDZT2R8.2 | SDZT15R8.2 | ADZT15R8.2B |
|---|---|---|---|
| Manufacturer | Rohm Semiconductor | Rohm Semiconductor | Rohm Semiconductor |
| Voltage - Zener (Nom) (Vz) | 8.2 V | 8.2 V | 8.2 V |
| Tolerance | ±5% | ±5% | ±2.44% |
| Power - Max | 100 mW | 100 mW | 100 mW |
| Current - Reverse Leakage @ Vr | 500 nA @ 5 V | 500 nA @ 5 V | 500 nA @ 5 V |
| Operating Temperature | -55°C ~ 125°C | 150°C | 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 0201 (0603 Metric) | 2-SMD, No Lead | 0201 (0603 Metric) |
| Supplier Device Package | GMD2 | SMD0603 | DSN0603-2, SOD-962, SMD0603 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Select substitute Zener diodes SDZT15R8.2 and ADZT15R8.2B based on the active product status, RoHS 3 compliance, REACH unaffected status, and MSL 1 (Unlimited) classification. All substitutes match or exceed the key parameters required for direct replacement as provided in the input.
Frequently Asked Questions (FAQ)
Q: What makes a part a valid substitute for GDZT2R8.2?
A: Only parts with identical Zener voltage, power rating, tolerance (±5% or better), reverse leakage current, mounting type, and package compatibility, plus the same compliance features, are considered valid substitutes.
Q: Are SDZT15R8.2 and ADZT15R8.2B functionally equivalent to GDZT2R8.2?
A: Both alternatives match the electrical parameters of GDZT2R8.2. SDZT15R8.2 features the same tolerance as GDZT2R8.2, and ADZT15R8.2B offers a tighter tolerance with identical power handling and reverse leakage.
Q: Is package compatibility ensured between these substitutes and GDZT2R8.2?
A: All listed substitutes use a compatible surface-mount footprint and are described with SMD0603 or equivalent 0201 (0603 Metric) sizing.
Q: Are all substitute parts RoHS and REACH compliant?
A: Yes, each part is listed as ROHS3 compliant and REACH unaffected as provided in the input.
Q: What are considerations regarding moisture sensitivity for these Zener diodes?
A: All compared products have Moisture Sensitivity Level (MSL) 1, indicating unlimited floor life at ≤30°C/85% RH per J-STD-020.
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