FJD3076TM Equivalent & Substitute Parts

Part Overview

The FJD3076TM is an NPN bipolar junction transistor manufactured by onsemi, designed for surface mount applications in the DPAK package. This device is rated for 32 V collector-emitter breakdown voltage with a maximum collector current of 2 A and 1 W power dissipation. The FJD3076TM is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	32 V
Current - Collector (Ic) (Max)	2 A
Power - Max	1 W
Frequency - Transition	100 MHz
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type	Surface Mount
Operating Temperature (Max)	150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

The FJD3076TM is an obsolete part with specific electrical ratings: 32 V breakdown voltage, 2 A maximum collector current, and 1 W power dissipation. The substitute parts identified (MJD340G, MJD340RLG, MJD340T4G) are all active onsemi products in the same DPAK package family.

Substitution logic is based on the following criteria:

Matching Parameters:

Transistor Type: NPN (all candidates)
Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63 (all candidates)
Mounting Type: Surface Mount (all candidates)
RoHS Status: ROHS3 Compliant (all candidates)
Moisture Sensitivity Level: 1 (Unlimited) (all candidates)
Operating Temperature (Max): 150°C (TJ) (all candidates)

Critical Difference: The substitute parts (MJD340 series) have significantly higher voltage ratings (300 V) and lower current ratings (500 mA) compared to the FJD3076TM (32 V, 2 A). These substitutes are suitable only for applications where the lower current requirement and higher voltage capability are compatible with the original circuit design.

Parameter Comparison

Parameter	FJD3076TM	MJD340G	MJD340RLG	MJD340T4G
Transistor Type	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	32 V	300 V	300 V	300 V
Current - Collector (Ic) (Max)	2 A	500 mA	500 mA	500 mA
Power - Max	1 W	15 W	15 W	15 W
Frequency - Transition	100 MHz	10 MHz	10 MHz	10 MHz
Package / Case	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature (Max)	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All three substitute parts (MJD340G, MJD340RLG, MJD340T4G) are active products with ROHS3 compliance and identical moisture sensitivity ratings to the FJD3076TM. The primary distinction among substitutes is packaging format:

MJD340G is supplied in Tube packaging and is suitable for applications requiring standard tube quantities.

MJD340RLG is supplied in Tape & Reel (TR) format, appropriate for automated assembly processes requiring continuous reel feeding.

MJD340T4G is supplied in Cut Tape (CT) & Digi-Reel® format, offering flexibility for both manual and automated assembly workflows.

Selection between these three variants depends on procurement and assembly requirements rather than electrical performance. All three share identical electrical specifications and are manufactured by onsemi under the MJD340 base product number.

Frequently Asked Questions (FAQ)

Q: Can MJD340 series parts directly replace the FJD3076TM in all applications?

A: Direct replacement is not universal. The MJD340 series has lower maximum collector current (500 mA versus 2 A) and higher voltage rating (300 V versus 32 V). Substitution is valid only when circuit design accommodates these parameter differences. Applications requiring the full 2 A current capability cannot use MJD340 substitutes.

Q: What is the difference between MJD340G, MJD340RLG, and MJD340T4G?

A: These three parts are electrically identical. The differences are packaging and delivery format. MJD340G uses Tube packaging, MJD340RLG uses Tape & Reel, and MJD340T4G uses Cut Tape & Digi-Reel. Selection depends on assembly process requirements and procurement volume.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The FJD3076TM and all three MJD340 variants are ROHS3 compliant with MSL rating of 1 (Unlimited).

Q: What is the operating temperature range for substitute parts?

A: The MJD340 series operates from -65°C to 150°C (TJ), providing a wider lower temperature range than the FJD3076TM specification of 150°C maximum.

Q: How do the frequency characteristics compare?

A: The FJD3076TM has a transition frequency of 100 MHz, while MJD340 series parts operate at 10 MHz. Applications requiring higher frequency response should evaluate this parameter against circuit requirements.

Q: Is the DPAK package identical across all parts?

A: Yes. All parts use the TO-252-3, DPAK (2 Leads + Tab), SC-63 package, ensuring mechanical and thermal compatibility in PCB layouts.

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