Equivalent & Substitute Parts for DTC144EUBTL

Part Overview

DTC144EUBTL from Rohm Semiconductor is a pre-biased NPN bipolar junction transistor (BJT) designed for surface mount applications, featuring built-in resistors and rated for up to 50V collector-emitter voltage and 30mA collector current. The product status is "Not For New Designs," making it necessary to identify alternative models for ongoing designs or new production requirements. Substitution is required when continued use in future designs is restricted due to lifecycle status.

Substiute Parts

DTC144EUBTL

Rohm SemiconductorIn Stock: 16054DTC144EUBTL Datasheet

Current PartRFQ

PDTC144EU,115

Nexperia USA Inc.In Stock: 88399PDTC144EU,115 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution between DTC144EUBTL and PDTC144EU,115 is based strictly on matching electrical and mechanical parameters. The essential criteria are: transistor type (NPN pre-biased), collector-emitter voltage rating, collector current rating, built-in resistor values, DC current gain, saturation voltage, transition frequency, maximum power, mounting type, and package characteristics. Only parts precisely matching or exceeding these specified values with identical resistor networks and compatible surface mount form factors are considered suitable substitutes.

Parameter Comparison

Engineering Selection Recommendations

DTC144EUBTL is listed as "Not For New Designs" while PDTC144EU,115 is "Active." Both parts are ROHS3 Compliant, REACH Unaffected, and have Moisture Sensitivity Level (MSL) 1 (Unlimited). Selection should be based on product availability, lifecycle status, and compliance certification. Both catalog numbers conform to regulatory and operational requirements provided.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical when substituting DTC144EUBTL in a design? A1: Only transistor type, collector-emitter voltage, collector current, resistor values, DC current gain, saturation voltage, maximum power dissipation, mounting type, and package specifications are substitution-critical.

Q2: Are PDTC144EU,115 and DTC144EUBTL functionally equivalent? A2: Both are NPN pre-biased BJTs with matching voltage rating, resistor values, and surface mount formats. PDTC144EU,115 supports a higher maximum collector current and features equivalent or higher DC current gain.

Q3: Do the package types affect drop-in compatibility? A3: DTC144EUBTL uses the UMT3F package (SC-85) while PDTC144EU,115 uses SOT-323 (SC-70). Compatibility depends on the PCB footprint matching the mechanical outline specified for each supplier device package.

Q4: Are both part numbers compliant with ROHS and REACH standards? A4: Both DTC144EUBTL and PDTC144EU,115 status indicate ROHS3 Compliant and REACH Unaffected.

Q5: Why is substitution necessary for DTC144EUBTL? A5: DTC144EUBTL is designated "Not For New Designs," so ongoing or new production requires active or recommended replacements matching the outlined technical specifications.