MPS6725 Equivalent & Substitute Parts

Part Overview

The MPS6725 is a Bipolar (BJT) NPN Darlington transistor manufactured by onsemi, rated for 50 V collector-emitter breakdown voltage and 1 A maximum collector current. This device is packaged in a Through Hole TO-92 (TO-226-3) configuration and is designed for general-purpose switching and amplification applications requiring high current gain.

The MPS6725 is classified as an obsolete product. Identification of equivalent substitute parts is necessary to support ongoing maintenance, repair, and redesign activities for legacy systems and equipment utilizing this component.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN - Darlington	—
Current - Collector (Ic) (Max)	1	A
Voltage - Collector Emitter Breakdown (Max)	50	V
Vce Saturation (Max) @ Ib, Ic	1.5V @ 2mA, 1A	V
Current - Collector Cutoff (Max)	100nA	ICBO
DC Current Gain (hFE) (Min) @ Ic, Vce	4000 @ 1A, 5V	—
Power - Max	1	W
Frequency - Transition	1	GHz
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	TO-226-3, TO-92-3 Long Body	—

Substitute Part Grouping Explanation

Substitute parts for the MPS6725 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Electrical Parameters (Must Match):

Transistor Type: NPN - Darlington configuration
Current - Collector (Ic) (Max): 1 A minimum
Voltage - Collector Emitter Breakdown (Max): 50 V minimum
Vce Saturation (Max) @ Ib, Ic: 1.5V @ 2mA, 1A
Current - Collector Cutoff (Max): 100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce: 4000 @ 1A, 5V minimum
Power - Max: 1 W minimum
Frequency - Transition: 1 GHz minimum
Operating Temperature Range: -55°C to 150°C (TJ)

Mechanical Parameters (Must Match):

Mounting Type: Through Hole
Package / Case: TO-226-3 or TO-92-3 Long Body compatible

Substitute parts meeting all specified electrical and mechanical parameters are classified as direct equivalents and may be used interchangeably in circuit applications designed for the MPS6725.

Parameter Comparison

Parameter	MPS6725 (onsemi)	NTE48 (NTE Electronics, Inc)	Match Status
Transistor Type	NPN - Darlington	NPN - Darlington	Match
Current - Collector (Ic) (Max)	1 A	1 A	Match
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V	Match
Vce Saturation (Max) @ Ib, Ic	1.5V @ 2mA, 1A	1.5V @ 2mA, 1A	Match
Current - Collector Cutoff (Max)	100nA (ICBO)	100nA (ICBO)	Match
DC Current Gain (hFE) (Min) @ Ic, Vce	4000 @ 1A, 5V	4000 @ 1A, 5V	Match
Power - Max	1 W	1 W	Match
Frequency - Transition	1 GHz	1 GHz	Match
Operating Temperature Range	-55°C to 150°C (TJ)	-55°C to 150°C (TJ)	Match
Mounting Type	Through Hole	Through Hole	Match
Package / Case	TO-226-3, TO-92-3 Long Body	TO-226-3, TO-92-3 Long Body	Match
Product Status	Obsolete	Active	Substitute Available

Engineering Selection Recommendations

The NTE48 manufactured by NTE Electronics, Inc is a direct electrical and mechanical equivalent to the MPS6725. All specified electrical parameters, including collector current, breakdown voltage, saturation voltage, current gain, power rating, and frequency response, are identical. The package configuration and mounting type are compatible.

The NTE48 holds an Active product status, ensuring continued availability and supply chain support. This contrasts with the MPS6725, which is classified as Obsolete. Selection of the NTE48 provides access to a functionally equivalent component with confirmed ongoing production and distribution.

Both components are RoHS non-compliant and carry identical ECCN classification (EAR99), indicating equivalent regulatory treatment for export and compliance purposes.

Frequently Asked Questions (FAQ)

Q: Can the NTE48 be used as a direct replacement for the MPS6725 in existing circuit designs?

A: Yes. The NTE48 meets all electrical and mechanical specifications of the MPS6725, including collector current rating, breakdown voltage, saturation characteristics, current gain, power dissipation, and operating temperature range. The Through Hole TO-92-3 Long Body package is mechanically compatible with existing PCB layouts designed for the MPS6725.

Q: What is the primary advantage of selecting the NTE48 over the MPS6725?

A: The NTE48 is classified as an Active product with confirmed ongoing production, whereas the MPS6725 is Obsolete. This ensures reliable supply chain availability and reduces the risk of component obsolescence in future procurement cycles.

Q: Are there any compliance or regulatory differences between the MPS6725 and NTE48?

A: Both components share identical RoHS non-compliance status and ECCN classification (EAR99). No regulatory or compliance advantages exist between the two parts. Both are subject to the same export control and environmental compliance requirements.

Q: Does the NTE48 packaging differ from the MPS6725?

A: Both components utilize Through Hole mounting in the TO-92-3 Long Body package configuration. The NTE48 is supplied in Bag packaging, whereas the MPS6725 packaging type is not specified. This difference does not affect electrical or mechanical compatibility.

Q: Are the electrical characteristics of the NTE48 identical to the MPS6725?

A: Yes. The NTE48 and MPS6725 share identical specifications for all key electrical parameters: 1 A maximum collector current, 50 V breakdown voltage, 1.5V saturation voltage at specified conditions, 100nA collector cutoff current, 4000 minimum DC current gain, 1 W power rating, 1 GHz transition frequency, and -55°C to 150°C operating temperature range.

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