PDTA144EQCZ Equivalent & Substitute Parts

Part Overview

The PDTA144EQCZ is a pre-biased PNP bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. in a 3-XDFN surface mount package with wettable flank. This component integrates internal base and emitter-base resistors (47 kOhms each) for simplified circuit design in switching and amplification applications. The part is currently listed as obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications.

Substiute Parts

PDTA144EQCZ

Nexperia USA Inc.In Stock: 5898PDTA144EQCZ Datasheet

Current PartRFQ

PDTA144EQC-QZ

Nexperia USA Inc.In Stock: 5969PDTA144EQC-QZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PDTA144EQCZ is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Transistor type: PNP - Pre-Biased configuration
• Maximum collector current: 100 mA
• Maximum collector-emitter breakdown voltage: 50 V
• Internal base resistor (R1): 47 kOhms
• Internal emitter-base resistor (R2): 47 kOhms
• DC current gain (hFE): 80 minimum at specified conditions
• Saturation voltage: 100 mV maximum at specified conditions
• Transition frequency: 180 MHz
• Maximum power dissipation: 360 mW

Mechanical Equivalence Criteria:

• Package type: 3-XDFN Exposed Pad
• Mounting technology: Surface Mount with Wettable Flank
• Supplier device package designation: DFN1412D-3

Compliance Criteria:

• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

Parts meeting all electrical, mechanical, and compliance parameters are classified as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The PDTA144EQC-QZ is a direct electrical and mechanical equivalent to the PDTA144EQCZ. All specified electrical parameters, internal resistor values, package dimensions, and mounting characteristics are identical. Both components are RoHS3 compliant and share the same moisture sensitivity classification.

The primary distinction between the two parts is product status and qualification level. The PDTA144EQCZ is obsolete, while the PDTA144EQC-QZ maintains active production status. The substitute part carries AEC-Q101 automotive qualification, indicating compliance with automotive-grade reliability and testing standards. This qualification does not alter the electrical or mechanical performance characteristics but provides additional assurance for applications requiring automotive-grade components.

For applications currently using PDTA144EQCZ, direct substitution with PDTA144EQC-QZ is supported without circuit modification or re-qualification of electrical performance.

Frequently Asked Questions (FAQ)

Q: Can PDTA144EQC-QZ be used as a direct replacement for PDTA144EQCZ in existing designs?

A: Yes. The PDTA144EQC-QZ is electrically and mechanically identical to the PDTA144EQCZ across all specified parameters. No circuit modifications are required. The substitute part is pin-compatible and functionally equivalent.

Q: What is the significance of the AEC-Q101 qualification on the PDTA144EQC-QZ?

A: AEC-Q101 is an automotive industry qualification standard that certifies the component meets specific reliability, testing, and quality requirements for automotive applications. This qualification does not change the electrical specifications but indicates the part has undergone additional validation testing. The PDTA144EQCZ does not carry this designation.

Q: Are the internal resistor values identical between the two parts?

A: Yes. Both the PDTA144EQCZ and PDTA144EQC-QZ contain internal base (R1) and emitter-base (R2) resistors rated at 47 kOhms each. These values are fundamental to the pre-biased transistor design and are identical across both parts.

Q: Is the 3-XDFN package footprint identical for both parts?

A: Yes. Both parts use the 3-XDFN Exposed Pad package with wettable flank designation (DFN1412D-3). PCB footprints, solder pad layouts, and mounting procedures are identical.

Q: What is the difference between PDTA144EQCZ and PDTA144EQC-QZ part numbering?

A: The part numbers differ in their suffix designations. PDTA144EQCZ is the obsolete version, while PDTA144EQC-QZ is the active production equivalent. The base part number PDTA144 and core electrical specifications remain unchanged.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the PDTA144EQCZ and PDTA144EQC-QZ are RoHS3 compliant and carry unlimited moisture sensitivity level (MSL 1) classification.

Q: Can inventory of PDTA144EQCZ be replaced with PDTA144EQC-QZ without supply chain disruption?

A: Yes. The PDTA144EQC-QZ is in active production with available inventory. Direct substitution is supported for procurement and manufacturing operations.