MJH11022 Equivalent & Substitute Parts

Part Overview

The MJH11022 is an NPN Darlington bipolar junction transistor manufactured by onsemi, rated for 250 V collector-emitter breakdown voltage and 15 A maximum collector current. This device is designed for high-current switching and amplification applications requiring robust thermal performance up to 150 W power dissipation. The MJH11022 is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The substitute part MJH11022G provides functional equivalence while maintaining active product status and improved compliance certifications.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN - Darlington	—
Current - Collector (Ic) (Max)	15	A
Voltage - Collector Emitter Breakdown (Max)	250	V
Vce Saturation (Max) @ Ib, Ic	4V @ 150mA, 15A	—
Current - Collector Cutoff (Max)	1	mA
DC Current Gain (hFE) (Min) @ Ic, Vce	400 @ 10A, 5V	—
Power - Max	150	W
Frequency - Transition	3	MHz
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitution of the MJH11022 with the MJH11022G is based on electrical parameter equivalence across all critical performance specifications. Both devices share identical ratings for collector current (15 A maximum), collector-emitter breakdown voltage (250 V), saturation voltage characteristics (4 V @ 150 mA, 15 A), collector cutoff current (1 mA maximum), DC current gain (400 minimum @ 10 A, 5 V), maximum power dissipation (150 W), and transition frequency (3 MHz). Operating temperature range is identical at -65°C to 150°C junction temperature. Both devices employ through-hole mounting technology. The primary distinction between these parts is packaging format: the MJH11022 uses SOT-93 package configuration, while the MJH11022G uses TO-247-3 package configuration. This packaging difference does not affect electrical performance but impacts thermal management capability and board layout considerations.

Parameter Comparison

Parameter	MJH11022	MJH11022G	Match
Manufacturer	onsemi	onsemi	Yes
Transistor Type	NPN - Darlington	NPN - Darlington	Yes
Current - Collector (Ic) (Max)	15 A	15 A	Yes
Voltage - Collector Emitter Breakdown (Max)	250 V	250 V	Yes
Vce Saturation (Max) @ Ib, Ic	4V @ 150mA, 15A	4V @ 150mA, 15A	Yes
Current - Collector Cutoff (Max)	1 mA	1 mA	Yes
DC Current Gain (hFE) (Min) @ Ic, Vce	400 @ 10A, 5V	400 @ 10A, 5V	Yes
Power - Max	150 W	150 W	Yes
Frequency - Transition	3 MHz	3 MHz	Yes
Operating Temperature Range	-65°C ~ 150°C (TJ)	-65°C ~ 150°C (TJ)	Yes
Mounting Type	Through Hole	Through Hole	Yes
Package / Case	TO-218-3	TO-247-3	Different
Product Status	Obsolete	Active	Substitute is Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Substitute is Compliant

Engineering Selection Recommendations

The MJH11022G is the direct electrical equivalent of the MJH11022 and serves as the active substitute for this obsolete device. Selection of MJH11022G is supported by the following factors:

Product Status: The MJH11022G maintains active product status with onsemi, ensuring continued availability and manufacturing support. The original MJH11022 is classified as obsolete, making MJH11022G the appropriate choice for new designs and production continuity.

Regulatory Compliance: The MJH11022G achieves ROHS3 compliance, whereas the MJH11022 is RoHS non-compliant. This compliance improvement aligns with current regulatory requirements for electronic components in most markets.

Electrical Equivalence: All electrical parameters are identical between the two devices, including current ratings, voltage ratings, gain characteristics, and thermal specifications. This ensures direct functional substitution without circuit redesign.

Packaging Consideration: The MJH11022G uses TO-247-3 packaging instead of the SOT-93 package of the MJH11022. While both are through-hole devices, the TO-247-3 package provides enhanced thermal performance through larger lead geometry and improved heat dissipation characteristics, which may benefit high-power applications.

Frequently Asked Questions (FAQ)

Q: Can MJH11022G be used as a direct replacement for MJH11022 in existing designs?

A: Yes. The MJH11022G provides complete electrical equivalence across all specified parameters. However, the packaging difference (TO-247-3 versus TO-218-3) requires verification of board layout compatibility and mounting hole spacing before implementation.

Q: What is the primary difference between MJH11022 and MJH11022G?

A: The devices are electrically identical. The primary differences are packaging format (TO-247-3 versus TO-218-3) and product status (active versus obsolete). The MJH11022G also provides improved RoHS3 compliance.

Q: Does the TO-247-3 package of MJH11022G offer any performance advantages over the SOT-93 package of MJH11022?

A: The TO-247-3 package provides larger lead geometry and improved thermal dissipation characteristics compared to SOT-93. This may enhance thermal management in high-power applications, though electrical performance remains identical.

Q: Are there any compliance or certification differences between these parts?

A: Yes. The MJH11022G is ROHS3 compliant, while the MJH11022 is RoHS non-compliant. Both devices maintain REACH Unaffected status and EAR99 ECCN classification.

Q: What should be verified before substituting MJH11022 with MJH11022G?

A: Board layout compatibility with TO-247-3 package dimensions, mounting hole spacing, and thermal management requirements should be confirmed. Electrical circuit operation requires no modification due to parameter equivalence.

Q: Is the MJH11022 still available for purchase?

A: The MJH11022 is classified as obsolete. The MJH11022G is the active equivalent with confirmed inventory availability and ongoing manufacturing support.

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