MJD41CTF Equivalent & Substitute Parts

Part Overview

The MJD41CTF is an NPN bipolar junction transistor manufactured by onsemi, rated for 100 V collector-emitter breakdown voltage and 6 A maximum collector current. This device is packaged in the TO-252-3 (DPAK) surface mount configuration and delivers 1.75 W maximum power dissipation. The MJD41CTF is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	6	A
Collector-Emitter Breakdown Voltage (Max)	100	V
Power Dissipation (Max)	1.75	W
Transition Frequency	3	MHz
Vce Saturation (Max)	1.5	V @ 600mA, 6A
DC Current Gain (hFE Min)	15	@ 3A, 4V
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the MJD41CTF are classified into two categories based on electrical parameter compatibility:

Direct Substitutes (Functionally Equivalent): Parts that maintain identical or superior electrical specifications across all critical parameters: collector current (6 A), collector-emitter breakdown voltage (100 V), power dissipation (1.75 W), transition frequency (3 MHz), and saturation voltage characteristics. These parts are interchangeable in circuit applications where the MJD41CTF was originally specified.

Similar Substitutes (Reduced Current Rating): Parts that share the same 100 V breakdown voltage and DPAK package but operate at reduced collector current ratings (3 A or lower). These parts are suitable only for applications where the circuit current requirements do not exceed the substitute part's maximum rating.

The substitution logic is strictly based on the following parameters:

Collector current capability (Ic Max)
Collector-emitter breakdown voltage (Vce Max)
Power dissipation rating (P Max)
Saturation voltage characteristics (Vce Sat)
DC current gain (hFE)
Package and mounting compatibility (TO-252-3 DPAK, surface mount)

Parameter Comparison

Part Number	Manufacturer	Ic (Max) [A]	Vce (Max) [V]	P (Max) [W]	Vce Sat [V]	hFE (Min)	Freq [MHz]	Package	Status
MJD41CTF	onsemi	6	100	1.75	1.5 @ 600mA, 6A	15 @ 3A, 4V	3	TO-252-3 (DPAK)	Obsolete
MJD41CRLG	onsemi	6	100	1.75	1.5 @ 600mA, 6A	15 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
MJD41CT4G	onsemi	6	100	1.75	1.5 @ 600mA, 6A	15 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
MJD31CG	onsemi	3	100	1.56	1.2 @ 375mA, 3A	10 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
MJD31CRLG	onsemi	3	100	1.56	1.2 @ 375mA, 3A	10 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
MJD31CT4G	onsemi	3	100	1.56	1.2 @ 375mA, 3A	10 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
MJD31C-13	Diodes Incorporated	3	100	1.56	1.2 @ 375mA, 3A	10 @ 3A, 4V	3	TO-252-3 (DPAK)	Active
2SC4134T-TL-E	onsemi	1	100	0.8	0.4 @ 40mA, 400mA	200 @ 100mA, 5V	120	TO-252-3 (DPAK)	Active
2SC4135T-TL-E	onsemi	2	100	1	0.4 @ 100mA, 1A	200 @ 100mA, 5V	120	TO-252-3 (DPAK)	Active
PHPT60610NYX	Nexperia USA Inc.	10	60	1.5	0.36 @ 1A, 10A	240 @ 500mA, 2V	140	SC-100 (LFPAK56)	Active

Engineering Selection Recommendations

Direct Substitutes (Recommended for Pin-Compatible Replacement):

MJD41CRLG and MJD41CT4G are direct functional equivalents to the MJD41CTF. Both parts maintain identical electrical specifications: 6 A collector current, 100 V breakdown voltage, 1.75 W power dissipation, and 3 MHz transition frequency. Both are manufactured by onsemi and packaged in TO-252-3 (DPAK). MJD41CRLG is supplied in Cut Tape packaging, while MJD41CT4G is supplied in Tape & Reel format. Both parts carry Active product status and ROHS3 compliance, providing long-term availability and regulatory support.

Reduced Current Substitutes (Application-Dependent):

MJD31CG, MJD31CRLG, MJD31CT4G, and MJD31C-13 are suitable substitutes only for applications where collector current does not exceed 3 A. These parts share the 100 V breakdown voltage and TO-252-3 (DPAK) package with the MJD41CTF. All four parts are Active status with ROHS3 compliance. MJD31C-13 is manufactured by Diodes Incorporated, providing an alternative source. Selection among these parts depends on packaging requirements: MJD31CG is supplied in Tube, MJD31CRLG in Cut Tape & Digi-Reel, and MJD31CT4G in Cut Tape & Digi-Reel format.

Not Recommended for Direct Substitution:

2SC4134T-TL-E and 2SC4135T-TL-E are not suitable direct substitutes due to significantly reduced collector current ratings (1 A and 2 A respectively) compared to the 6 A requirement of the MJD41CTF. PHPT60610NYX is not suitable due to reduced breakdown voltage (60 V versus 100 V) and different package type (LFPAK56 versus TO-252-3 DPAK).

Frequently Asked Questions (FAQ)

Q: Can MJD41CRLG or MJD41CT4G be used as direct replacements for MJD41CTF?

A: Yes. Both MJD41CRLG and MJD41CT4G are direct functional equivalents with identical electrical specifications. The primary difference is packaging format: MJD41CRLG is supplied in Cut Tape, while MJD41CT4G is supplied in Tape & Reel. Both are Active status parts manufactured by onsemi.

Q: What is the difference between MJD41CT4G and MJD41CRLG?

A: The electrical specifications are identical. The difference is in supplier packaging: MJD41CT4G uses Tape & Reel packaging (42,948 pcs in stock), while MJD41CRLG uses Cut Tape packaging (1,310 pcs in stock). Selection depends on assembly line requirements and inventory availability.

Q: Can I use MJD31 series parts as substitutes for MJD41CTF?

A: MJD31 series parts (MJD31CG, MJD31CRLG, MJD31CT4G, MJD31C-13) are suitable only if your circuit operates at 3 A or lower collector current. These parts have identical 100 V breakdown voltage and TO-252-3 package compatibility but reduced current capability. If your application requires the full 6 A rating, MJD31 series parts are not suitable.

Q: Why is PHPT60610NYX not recommended as a substitute?

A: PHPT60610NYX has two critical limitations: reduced breakdown voltage (60 V versus 100 V) and different package type (LFPAK56 Power-SO8 versus TO-252-3 DPAK). While it offers higher collector current (10 A), the lower voltage rating makes it unsuitable for 100 V applications.

Q: What is the difference between MJD31C-13 and other MJD31 variants?

A: MJD31C-13 is manufactured by Diodes Incorporated, while MJD31CG, MJD31CRLG, and MJD31CT4G are manufactured by onsemi. All four parts have identical electrical specifications (3 A, 100 V, 1.56 W). MJD31C-13 provides an alternative source for supply chain flexibility. Packaging differs: MJD31C-13 is supplied in Tape & Reel format.

Q: Are there any compliance or regulatory differences between substitute parts?

A: All recommended substitute parts carry ROHS3 compliance and REACH Unaffected status, matching the regulatory profile of the MJD41CTF. PHPT60610NYX additionally carries AEC-Q100 automotive qualification, which is not required for the MJD41CTF application.

Q: What should I consider when selecting between packaging options?

A: Packaging selection depends on assembly process requirements. Tape & Reel format (MJD41CT4G, MJD31CT4G, MJD31C-13) is suitable for automated pick-and-place assembly. Cut Tape format (MJD41CRLG, MJD31CRLG) is suitable for manual assembly or lower-volume production. Tube packaging (MJD31CG) is suitable for manual assembly and storage. All formats are compatible with the same circuit application.

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