PDTC143EQBZ Equivalent & Substitute Parts Reference

Part Overview

The PDTC143EQBZ from Nexperia USA Inc. is a surface mount, pre-biased NPN bipolar junction transistor (BJT) rated for 50 V and 100 mA, provided in a 3-XDFN Exposed Pad package. This device is classified as obsolete, making it necessary to identify substitutes for ongoing designs, service requirements, and inventory support. Selecting exact equivalent models is essential to maintain electrical and mechanical compatibility and regulatory compliance.

Substiute Parts

PDTC143EQBZ

Nexperia USA Inc.In Stock: 5822PDTC143EQBZ Datasheet

Current PartRFQ

PDTC143EQB-QZ

Nexperia USA Inc.In Stock: 5795PDTC143EQB-QZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is permitted only when critical electrical and mechanical parameters match. The parameters governing compatibility include transistor type, collector current rating, breakdown voltage, integrated base and emitter resistors, DC current gain, mounting type, and package specifications. The substitute part PDTC143EQB-QZ meets these specific criteria in the context of the provided technical data.

Parameter Comparison

Engineering Selection Recommendations

The PDTC143EQBZ is listed as obsolete while PDTC143EQB-QZ is active. Both parts are ROHS3 Compliant, REACH Unaffected, and share the same ECCN and HTSUS classification. PDTC143EQB-QZ is additionally automotive qualified (AEC-Q101). Substitute selection should prioritize active status and certification compliance as referenced.

Frequently Asked Questions (FAQ)

Q1: What parameters are mandatory for selecting substitute transistors in this category?
A1: Substitute selection requires matching transistor type, maximum collector current, collector-emitter breakdown voltage, integrated resistor values, mounting type, and package specifications.

Q2: Is the package compatibility between PDTC143EQBZ and PDTC143EQB-QZ ensured?
A2: Both transistors use the 3-XDFN Exposed Pad (DFN1110D-3) package and surface mount with wettable flank, supporting direct mechanical interchange.

Q3: Are there differences in electrical performance that affect substitution?
A3: Core electrical parameters such as collector current, breakdown voltage, and resistor values are matched. Vce saturation and cutoff current differ between models; refer to table values for design verification.

Q4: Do both parts meet RoHS and REACH environmental requirements?
A4: Both PDTC143EQBZ and PDTC143EQB-QZ are ROHS3 Compliant and REACH Unaffected.

Q5: Why is substitute selection necessary for PDTC143EQBZ?
A5: The part is classified as obsolete; substitution is required to maintain supply and technical continuity.

Q6: Does the substitute PDTC143EQB-QZ offer further qualifications?
A6: PDTC143EQB-QZ is automotive grade and AEC-Q101 qualified, referencing the provided input.