MJD42CRL Equivalent & Substitute Parts

Part Overview

The MJD42CRL is a PNP bipolar junction transistor manufactured by onsemi, rated for 100V collector-emitter breakdown voltage and 6A maximum collector current in a surface mount DPAK package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design requirements and production continuity. Active alternatives with identical or superior electrical characteristics are available from the same manufacturer and qualified third-party sources.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Current - Collector (Ic) Max	6	A
Voltage - Collector Emitter Breakdown (Max)	100	V
Power - Max	1.75	W
Frequency - Transition	3	MHz
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	TO-252-3, DPAK	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution of the MJD42CRL is determined by equivalence in the following critical parameters: transistor type (PNP), maximum collector current (6A), collector-emitter breakdown voltage (100V), power dissipation capability (1.75W), and surface mount packaging compatibility (DPAK or equivalent footprint).

Direct Equivalents maintain identical electrical specifications and package form factor, differing only in packaging configuration (tape & reel versus cut tape) or RoHS compliance status. These parts are interchangeable at the circuit level with no design modifications required.

Parametric Equivalents provide identical electrical performance and package compatibility but may originate from alternative manufacturers or feature enhanced specifications (higher transition frequency, improved current gain, lower saturation voltage). These parts satisfy all functional requirements of the original design.

Similar Parts share the same voltage and current ratings but employ different package types or feature enhanced performance characteristics. Selection of similar parts requires verification of printed circuit board layout compatibility and thermal management considerations.

Parameter Comparison

Parameter	MJD42CRL	MJD42CRLG	MJD42CT4G	NJVMJD42CRLG	PHPT61006PYX
Manufacturer	onsemi	onsemi	onsemi	onsemi	Nexperia USA Inc.
Product Status	Obsolete	Active	Active	Active	Active
Transistor Type	PNP	PNP	PNP	PNP	PNP
Current - Collector (Ic) Max	6 A	6 A	6 A	6 A	6 A
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V	100 V	100 V	100 V
Vce Saturation (Max) @ Ib, Ic	1.5V @ 600mA, 6A	1.5V @ 600mA, 6A	1.5V @ 600mA, 6A	1.5V @ 600mA, 6A	130mV @ 50mA, 1A
DC Current Gain (hFE) Min @ Ic, Vce	15 @ 3A, 4V	15 @ 3A, 4V	15 @ 3A, 4V	15 @ 3A, 4V	170 @ 500mA, 2V
Power - Max	1.75 W	1.75 W	1.75 W	1.75 W	1.3 W
Frequency - Transition	3 MHz	3 MHz	3 MHz	3 MHz	116 MHz
Operating Temperature (TJ)	-65 to 150°C	-65 to 150°C	-65 to 150°C	-65 to 150°C	175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	SC-100, SOT-669
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Configuration	Tube	Tape & Reel	Cut Tape & Digi-Reel	Tape & Reel	Tape & Reel

Engineering Selection Recommendations

MJD42CRLG is the primary direct equivalent for MJD42CRL. This part maintains identical electrical specifications and DPAK package form factor while offering active product status and ROHS3 compliance. The transition from tube packaging to tape & reel configuration aligns with modern manufacturing and supply chain requirements.

MJD42CT4G provides equivalent electrical performance with the same DPAK package and ROHS3 compliance. The cut tape and Digi-Reel packaging option supports flexible procurement quantities and automated assembly processes. Highest inventory availability among onsemi alternatives.

NJVMJD42CRLG delivers identical electrical characteristics and DPAK compatibility with ROHS3 compliance. The NJV prefix designation indicates qualification under onsemi's automotive-grade product line, suitable for applications requiring enhanced reliability documentation.

PHPT61006PYX from Nexperia USA Inc. represents a parametric equivalent with enhanced performance characteristics. The LFPAK56 package (Power-SO8) differs from the DPAK footprint and requires circuit board layout modification. Superior transition frequency (116MHz versus 3MHz), improved current gain (170 versus 15), and lower saturation voltage (130mV versus 1.5V) support high-frequency switching applications. AEC-Q100 automotive qualification and extended maximum junction temperature (175°C) provide additional design margin. Maximum power dissipation is reduced to 1.3W, requiring thermal analysis for applications approaching the 1.75W limit of the original design.

Frequently Asked Questions (FAQ)

Q: Can MJD42CRLG be used as a direct replacement for MJD42CRL without circuit modifications?

A: Yes. MJD42CRLG maintains identical electrical specifications (6A collector current, 100V breakdown voltage, 1.75W power dissipation, 3MHz transition frequency) and DPAK package form factor. The only difference is packaging configuration (tape & reel versus tube) and RoHS3 compliance status. No circuit design changes are required.

Q: What is the difference between MJD42CT4G and MJD42CRLG?

A: Both parts are electrically identical with matching specifications and DPAK packaging. The distinction lies in packaging configuration: MJD42CT4G is supplied in cut tape and Digi-Reel format, while MJD42CRLG is supplied in tape & reel. Selection depends on assembly process requirements and procurement volume.

Q: Is PHPT61006PYX compatible with existing circuit board layouts designed for MJD42CRL?

A: No. PHPT61006PYX uses the LFPAK56 (Power-SO8) package, which differs from the DPAK footprint of MJD42CRL. Circuit board layout modification is required. However, the electrical performance is superior, with higher transition frequency (116MHz), improved current gain (170), and lower saturation voltage (130mV). This part is suitable for new designs or redesigns requiring enhanced switching performance.

Q: Why is NJVMJD42CRLG designated with the NJV prefix?

A: The NJV prefix indicates onsemi's automotive-grade qualification. This part meets AEC-Q100 or equivalent automotive reliability standards and is suitable for applications requiring enhanced qualification documentation and traceability. Electrical specifications remain identical to standard MJD42CRLG.

Q: What are the thermal considerations when selecting between DPAK and LFPAK56 packages?

A: DPAK (TO-252-3) and LFPAK56 (Power-SO8) packages have different thermal characteristics. DPAK provides 1.75W maximum power dissipation, while LFPAK56 is rated for 1.3W. For applications operating near maximum power limits, thermal analysis is required to confirm adequate heat dissipation with the LFPAK56 package.

Q: Are all substitute parts RoHS3 compliant?

A: MJD42CRLG, MJD42CT4G, NJVMJD42CRLG, and PHPT61006PYX are all ROHS3 compliant. The original MJD42CRL is RoHS non-compliant. Transition to any of the active alternatives ensures compliance with current environmental regulations.

Q: What inventory considerations apply to these substitute parts?

A: MJD42CT4G offers the highest inventory availability (16,794 pcs), followed by PHPT61006PYX (15,547 pcs), MJD42CRLG (2,100 pcs), and NJVMJD42CRLG (2,550 pcs). The original MJD42CRL has 681 pcs available but is obsolete. For long-term supply security, MJD42CT4G or PHPT61006PYX are preferred.

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