Equivalent & Substitute Parts Reference for CD1005-Z39

Part Overview

CD1005-Z39 is a surface mount Zener diode from Bourns Inc., designed for voltage regulation applications, featuring a nominal Zener voltage of 39 V and a power rating of 200 mW in a 1005 (2512 Metric) package. The product status is marked as Obsolete, which necessitates identification of alternative models to ensure continued production, maintenance, and availability in new designs.

Substiute Parts

CD1005-Z39

Bourns Inc.In Stock: 921CD1005-Z39 Datasheet

Current PartRFQ

CZRF52C39

Comchip TechnologyIn Stock: 727CZRF52C39 Datasheet

DirectRFQ

CZRF52C39-HF

Comchip TechnologyIn Stock: 957CZRF52C39-HF Datasheet

DirectRFQ

CZRFR52C39

Comchip TechnologyIn Stock: 976CZRFR52C39 Datasheet

Parametric EquivalentRFQ

CZRFR52C39-HF

Comchip TechnologyIn Stock: 985CZRFR52C39-HF Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Alternative parts are grouped as direct substitutes and parametric equivalents. Substitution decisions are strictly based on the following key parameters: Zener voltage, tolerance, power rating, maximum impedance, reverse leakage current, operating temperature range, mounting type, package/case, and compliance certifications. Only those parts matching all listed parameters were considered as engineering substitutes.

Parameter Comparison

Engineering Selection Recommendations

The CD1005-Z39 is obsolete; substitute selection should be based on electrical equivalence, package compatibility, and compliance to RoHS3 and REACH standards. CZRF52C39, CZRF52C39-HF, CZRFR52C39, and CZRFR52C39-HF each match the key electrical and mechanical parameters and are listed as active, ROHS3 Compliant, REACH Unaffected, and MSL 1 (Unlimited). These substitute Zener diodes in the 1005 (2512 Metric) package meet the required certifications and product status for direct replacement.

Frequently Asked Questions (FAQ)

Q1: What criteria are used to select a substitute Zener diode for CD1005-Z39?
A1: Substitution is strictly based on matching the Zener voltage, tolerance, power rating, impedance, reverse leakage current, operating temperature, mounting type, package/case, and compliance certifications as listed in the parameters.

Q2: Is 1005 (2512 Metric) package compatibility mandatory for substitution?
A2: Yes. Only parts listing 1005 (2512 Metric) in both package/case and device package fields are selected to ensure footprint and mechanical compatibility.

Q3: Why does the reverse leakage current reference voltage differ between the parts?
A3: The reference voltage for reverse leakage is 39 V in the main part and 29 V in substitute parts, but the allowable maximum reverse leakage at the test voltage remains 100 nA. This parameter alignment is considered for full electrical compatibility per category standards.

Q4: Are all listed substitute part numbers RoHS and REACH compliant?
A4: All substitute part numbers CZRF52C39, CZRF52C39-HF, CZRFR52C39, CZRFR52C39-HF are ROHS3 Compliant, REACH Unaffected, and MSL 1 (Unlimited).

Q5: Can the substitute Zener diode be used in the same operating temperature range as CD1005-Z39?
A5: Yes, all substitutes specify an operational temperature range of -55°C to 125°C, matching the original part.

Q6: What part statuses are considered in the selection?
A6: Only parts with an "Active" product status are selected as substitutes for the obsolete CD1005-Z39.