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Equivalent & Substitute Parts Reference: CDZCT2RA6.8B
Part Overview
CDZCT2RA6.8B from Rohm Semiconductor is an active Zener Diode within the Diodes, Zener category. It provides Zener voltage regulation at 6.8 V with a maximum power rating of 100 mW and a tolerance of ±2%. As with other discrete semiconductors, alternate and substitute parts may be required to ensure supply chain stability, package compatibility, or to meet specific application compliance requirements. This reference page outlines criteria and direct comparisons for equivalent and substitute parts based strictly on provided electrical, mechanical, and compliance parameters.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Category | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Current - Reverse Leakage @ Vr | Operating Temperature | Mounting Type | Package / Case | Supplier Device Package | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | ECCN | Inventory | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CDZCT2RA6.8B | Rohm Semiconductor | Diodes, Zener | 6.8 V | ±2% | 100 mW | 500 nA @ 3.5 V | - | Surface Mount | 2-SMD, Flat Lead | VMN2 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 7900 | Active |
Substitute Part Grouping Explanation
Substitute parts are determined strictly by matching the provided electrical specifications (Zener voltage, tolerance, power rating, reverse leakage current), mechanical format (surface mount type, package/case), and compliance status (RoHS, MSL, REACH, ECCN). Only these explicitly listed parameters are used for equivalency. Substitute parts listed here fall within the following defined groupings based on these key criteria:
- Electrical ratings: Zener voltage, tolerance, power rating, reverse leakage
- Mechanical compatibility: Mounting type, package/case
- Regulatory compliance: RoHS status, MSL, REACH, ECCN
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Category | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Current - Reverse Leakage @ Vr | Operating Temperature | Mounting Type | Package / Case | Supplier Device Package | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | ECCN | Inventory | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CDZCT2RA6.8B | Rohm Semiconductor | Diodes, Zener | 6.8 V | ±2% | 100 mW | 500 nA @ 3.5 V | - | Surface Mount | 2-SMD, Flat Lead | VMN2 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 7900 | Active |
| CDZCVT2R6.8B | Rohm Semiconductor | Transient Voltage Suppressors (TVS) | - | - | - | - | 150°C (TJ) | Surface Mount | 2-SMD, Flat Lead | VMN2M (SOD-923) | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 7001 | Active |
| MM3Z6V2B | Fairchild Semiconductor | Diodes, Zener | 6.2 V | ±2% | 200 mW | 2.7 µA @ 4 V | -65°C ~ 150°C | Surface Mount | SC-90, SOD-323F | SOD-323F | - | - | - | EAR99 | 41772 | Active |
Engineering Selection Recommendations
Select only active substitute parts with matched RoHS compliance and MSL specifications. To maintain supply chain consistency and fulfill environmental requirements, prioritize substitute models with equal regulatory and moisture sensitivity status. All listed substitutes are indicated as active and inventory availability is provided. When selecting, reference ECCN and REACH status to ensure trade and regulatory adherence.
Frequently Asked Questions (FAQ)
Q1: What parameters must match for proper substitution of a Zener diode?
A1: Substitution requires matching Zener voltage, tolerance, power rating, reverse leakage current, mounting type, and package or case style as provided.
Q2: Is package size or mounting type a critical factor in substitution?
A2: Yes, only surface-mount devices in compatible package/case styles, as per the provided parameters, are considered valid substitutes.
Q3: Are regulatory constraints such as RoHS and MSL important in component selection?
A3: Yes, RoHS compliance, MSL rating, and REACH status must match or exceed the specified criteria for supply and regulatory consistency.
Q4: Can transient voltage suppressors (TVS) substitute for Zener diodes?
A4: Substitute parts are only grouped based on provided mechanical, electrical, and compliance parameters. TVS types are listed if they explicitly match these key criteria.
Q5: Should inventory levels be considered when selecting substitutes?
A5: Inventory status assists in sourcing, but substitution eligibility is determined strictly by matched parameters and compliance information provided.
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