Equivalent & Substitute Parts Reference for UMZ6.8KFHTL Zener Diode

Part Overview

The UMZ6.8KFHTL, manufactured by Rohm Semiconductor, is a surface mount automotive-grade Zener diode array comprising 2 independent diodes. It features a nominal Zener voltage of 6.79 V, 200 mW maximum power dissipation, ±2.06% voltage tolerance, and reverse leakage current of 500 nA at 3.5 V. This device is qualified under AEC-Q101 and supplied in SC-82A (SOT-343) package (Supplier Device Package: UMD4). The part is RoHS3 compliant and REACH unaffected with MSL 1 rating. The product is in active status, ensuring continued supply. Identifying equivalent or substitute Zener diode options is necessary for applications requiring similar electrical performance, mounting compatibility, and automotive-grade reliability when facing constraints such as BOM flexibility or to secure dual-source continuity.

Substiute Parts

UMZ6.8KFHTL

Rohm SemiconductorIn Stock: 1017UMZ6.8KFHTL Datasheet

Current PartRFQ

EDZVFHT2R6.8B

Rohm SemiconductorIn Stock: 20679EDZVFHT2R6.8B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is determined strictly by matching the key electrical and mechanical parameters relevant to Zener diodes. The criteria applied are: manufacturer, product category, automotive qualification (AEC-Q101), RoHS and REACH compliance, mounting type, Zener voltage (Vz) nominal value, voltage tolerance, maximum power rating, reverse leakage current at specified voltage, package compatibility, and expected operating temperature. All substitute or equivalent components listed meet these defined parameters.

Parameter Comparison

Engineering Selection Recommendations

Both UMZ6.8KFHTL and EDZVFHT2R6.8B are sourced from Rohm Semiconductor, categorized as automotive-qualified Zener diodes, and possess ROHS3 compliance and REACH unaffected status. Both components maintain status as active and have the same MSL rating and export classifications. Either is suitable for use in applications requiring these specific product status, environmental, and qualification parameters.

Frequently Asked Questions (FAQ)

Q: What are the main criteria for selecting a substitute for UMZ6.8KFHTL?
A: Selection is based on matching Zener voltage, tolerance, power rating, reverse leakage current, automotive qualification (AEC-Q101), mounting type, package or device case, and compliance (RoHS/REACH).

Q: Are both the UMZ6.8KFHTL and EDZVFHT2R6.8B suitable for automotive applications?
A: Yes. Both are automotive-grade with AEC-Q101 qualification.

Q: Does the difference in package (UMD4 vs. EMD2) affect substitution?
A: Substitute selection considers package compatibility; UMZ6.8KFHTL uses SC-82A (SOT-343, UMD4), while EDZVFHT2R6.8B uses SC-79 (SOD-523, EMD2). Ensure that the PCB layout conforms to the package selected.

Q: Are there differences in power handling between the two parts?
A: Yes, UMZ6.8KFHTL is rated at 200 mW and EDZVFHT2R6.8B at 150 mW. Selection should ensure the power dissipation aligns with application requirements.

Q: Is compliance status (RoHS, REACH) the same for both parts?
A: Yes. Both UMZ6.8KFHTL and EDZVFHT2R6.8B are ROHS3 compliant and REACH unaffected.

Q: What electrical parameters must always match when substituting automotive Zener diodes?
A: The essential matching parameters include voltage - Zener (nominal), tolerance, maximum power, reverse leakage current, operating temperature, and qualification level.