DZ2W10000L Equivalent & Substitute Parts

Part Overview

The DZ2W10000L is a Zener diode manufactured by Panasonic Electronic Components, rated at 10 V nominal voltage with 1 W maximum power dissipation. This component is designed for surface mount applications in the SOD-123F package. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines. Substitute parts must maintain compatibility with the original electrical specifications and mechanical form factor to ensure direct replacement capability in existing circuit designs.

Substiute Parts

DZ2W10000L

Panasonic Electronic ComponentsIn Stock: 4452DZ2W10000L Datasheet

Current PartRFQ

KDZVTFTR10B

Rohm SemiconductorIn Stock: 3415KDZVTFTR10B Datasheet

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KDZVTR10B

Rohm SemiconductorIn Stock: 19538KDZVTR10B Datasheet

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KDZVTR9.1B

Rohm SemiconductorIn Stock: 2079KDZVTR9.1B Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the DZ2W10000L is determined by the following critical parameters: nominal Zener voltage, maximum power rating, package form factor, and surface mount compatibility. The substitute parts identified are manufactured by Rohm Semiconductor and operate within the same power class (1 W) and package specification (SOD-123F).

The substitution logic is based on:

• Nominal Voltage Tolerance: The original part specifies 10 V ±5%, establishing an acceptable voltage range of 9.5 V to 10.5 V. Substitute parts with nominal voltages of 9.65 V and 10.6 V fall within or near this operational window.
• Power Rating: All substitute parts maintain the 1 W maximum power dissipation specification.
• Package Compatibility: All candidates use the SOD-123F package, ensuring mechanical and electrical pin compatibility.
• Reverse Leakage Current: Substitute parts maintain reverse leakage specifications at or below 20 µA, consistent with the original 10 µA specification.
• Surface Mount Technology: All parts are surface mount devices suitable for automated assembly processes.
• Regulatory Compliance: All substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the original part's environmental specifications.

Parameter Comparison

Engineering Selection Recommendations

KDZVTFTR10B is the primary substitute candidate. This part maintains the closest nominal voltage specification at 10.6 V with a defined tolerance of ±6%, operates at the same 1 W power rating, and is housed in the identical SOD-123F package. The part carries AEC-Q101 automotive qualification and is currently in active production with 3333 units in stock. ROHS3 compliance and MSL 1 rating ensure environmental and handling compatibility with the original specification.

KDZVTR10B serves as an alternative substitute with identical electrical performance to KDZVTFTR10B. This part is available in significantly higher inventory (19447 units) and maintains all critical specifications including the SOD-123F package, 1 W power rating, and ROHS3 compliance. The absence of specified tolerance does not preclude its use where the 10.6 V nominal voltage is acceptable within circuit design margins.

KDZVTR9.1B is suitable for applications where a lower nominal voltage of 9.65 V is acceptable. This part operates at 1 W power dissipation in the SOD-123F package and maintains ROHS3 compliance. The reverse leakage current specification of 20 µA at 6 V is elevated compared to the original 10 µA at 7 V, requiring circuit-level evaluation for leakage-sensitive applications.

All three substitute parts are manufactured by Rohm Semiconductor, an established supplier with active product lines, ensuring long-term availability and supply chain stability compared to the discontinued Panasonic part.

Frequently Asked Questions (FAQ)

Q: Can KDZVTFTR10B directly replace DZ2W10000L in all applications?

A: KDZVTFTR10B is mechanically and electrically compatible for direct replacement. Both parts use the SOD-123F package, operate at 1 W maximum power, and maintain ROHS3 compliance. The nominal voltage difference of 0.6 V (10 V versus 10.6 V) must be evaluated within the specific circuit design to confirm acceptability.

Q: What is the voltage tolerance difference between the original part and substitutes?

A: The DZ2W10000L specifies ±5% tolerance (9.5 V to 10.5 V range). KDZVTFTR10B specifies ±6% tolerance. KDZVTR10B and KDZVTR9.1B do not provide tolerance specifications in the available data. Circuit designs must account for the nominal voltage values and specified tolerances when selecting a substitute.

Q: Are there differences in reverse leakage current between these parts?

A: The original DZ2W10000L specifies 10 µA reverse leakage at 7 V. KDZVTFTR10B and KDZVTR10B maintain this specification. KDZVTR9.1B specifies 20 µA reverse leakage at 6 V, which is elevated. Applications sensitive to leakage current should prioritize KDZVTFTR10B or KDZVTR10B.

Q: Do all substitute parts meet the same environmental and compliance standards?

A: All three substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original DZ2W10000L specification. KDZVTFTR10B carries additional AEC-Q101 automotive qualification.

Q: What is the difference between KDZVTFTR10B and KDZVTR10B?

A: Both parts are manufactured by Rohm Semiconductor with identical nominal voltage (10.6 V), power rating (1 W), and package (SOD-123F). KDZVTFTR10B includes AEC-Q101 automotive qualification and specified ±6% tolerance. KDZVTR10B is available in higher inventory volume. Selection depends on automotive qualification requirements and supply availability.

Q: Is KDZVTR9.1B suitable for voltage-sensitive applications?

A: KDZVTR9.1B operates at 9.65 V nominal voltage, approximately 0.35 V below the original 10 V specification. This part is suitable only for applications where the lower voltage is acceptable within circuit design margins. The elevated reverse leakage current (20 µA) requires additional evaluation for leakage-sensitive circuits.

Q: Are all substitute parts available in the same packaging formats?

A: All substitute parts are supplied in Cut Tape (CT) and Digi-Reel® packaging formats. The SOD-123F package specification is identical across all parts, ensuring compatibility with existing pick-and-place equipment and assembly processes.