MPSA13_D75Z Equivalent & Substitute Parts

Part Overview

The MPSA13_D75Z is an NPN Darlington bipolar junction transistor manufactured by onsemi, designed for through-hole applications in the TO-92-3 package. This device operates at a maximum collector current of 1.2 A with a collector-emitter breakdown voltage of 30 V and a maximum power dissipation of 625 mW. The MPSA13_D75Z is classified as obsolete, making identification of equivalent substitute parts necessary for ongoing design support and component procurement.

Key Parameters

Parameter	Value
Transistor Type	NPN - Darlington
Current - Collector (Ic) (Max)	1.2 A
Voltage - Collector Emitter Breakdown (Max)	30 V
Vce Saturation (Max) @ Ib, Ic	1.5V @ 100µA, 100mA
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	10000 @ 100mA, 5V
Power - Max	625 mW
Frequency - Transition	125MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	TO-92-3 (TO-226AA) Formed Leads
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the MPSA13_D75Z is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Transistor Type: NPN - Darlington configuration
Package / Case: TO-92-3 (TO-226AA) Formed Leads
Mounting Type: Through Hole
Voltage - Collector Emitter Breakdown (Max): 30 V
Vce Saturation (Max) @ Ib, Ic: 1.5V @ 100µA, 100mA
Current - Collector Cutoff (Max): 100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce: 10000 @ 100mA, 5V
Power - Max: 625 mW
Frequency - Transition: 125MHz

Allowable Variation Parameters:

Current - Collector (Ic) (Max): Substitute must meet or exceed the application requirement but shall not fall below the main part specification
Operating Temperature: Substitute operating range must encompass the application temperature requirements

The KSP13TA meets all mandatory matching parameters and is classified as an equivalent substitute for the MPSA13_D75Z.

Parameter Comparison

Parameter	MPSA13_D75Z	KSP13TA	Match Status
Transistor Type	NPN - Darlington	NPN - Darlington	Equivalent
Current - Collector (Ic) (Max)	1.2 A	500 mA	KSP13TA Lower
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V	Equivalent
Vce Saturation (Max) @ Ib, Ic	1.5V @ 100µA, 100mA	1.5V @ 100µA, 100mA	Equivalent
Current - Collector Cutoff (Max)	100nA (ICBO)	100nA (ICBO)	Equivalent
DC Current Gain (hFE) (Min) @ Ic, Vce	10000 @ 100mA, 5V	10000 @ 100mA, 5V	Equivalent
Power - Max	625 mW	625 mW	Equivalent
Frequency - Transition	125MHz	125MHz	Equivalent
Operating Temperature	-55°C ~ 150°C (TJ)	150°C (TJ)	KSP13TA Limited Range
Package / Case	TO-92-3 (TO-226AA) Formed Leads	TO-92-3 (TO-226AA) Formed Leads	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent

Engineering Selection Recommendations

MPSA13_D75Z Status: Obsolete. This part is no longer in active production.

KSP13TA Status: Active. This part is in current production and available for new designs.

Substitution Suitability: The KSP13TA is an equivalent substitute for the MPSA13_D75Z in applications where the collector current requirement does not exceed 500 mA. Both devices share identical electrical characteristics for voltage, gain, saturation voltage, cutoff current, power dissipation, and transition frequency. Both are packaged in TO-92-3 through-hole configuration and are manufactured by onsemi.

Compliance Considerations: The KSP13TA is ROHS3 Compliant and carries REACH Unaffected status, providing regulatory compliance for modern manufacturing environments. The MPSA13_D75Z, being obsolete, may present supply chain constraints.

Temperature Range Consideration: The KSP13TA specifies a maximum junction temperature of 150°C, whereas the MPSA13_D75Z specifies an operating range of -55°C to 150°C. Applications requiring operation below ambient conditions or extended low-temperature performance must evaluate the KSP13TA's lower temperature limit against specific design requirements.

Frequently Asked Questions (FAQ)

Q: Can the KSP13TA directly replace the MPSA13_D75Z in all applications?

A: The KSP13TA is a direct substitute for applications where collector current does not exceed 500 mA. The MPSA13_D75Z is rated for 1.2 A maximum collector current. If your application requires collector currents between 500 mA and 1.2 A, the KSP13TA is not suitable. All other electrical parameters are equivalent.

Q: What is the difference in current rating between these two parts?

A: The MPSA13_D75Z supports a maximum collector current of 1.2 A, while the KSP13TA supports 500 mA. This is the primary electrical difference between the two devices. All other specifications, including voltage, gain, and power dissipation, are identical.

Q: Are the packages identical?

A: Yes. Both the MPSA13_D75Z and KSP13TA use the TO-92-3 (TO-226AA) package with formed leads for through-hole mounting. They are physically and mechanically interchangeable from a board layout perspective.

Q: Does the KSP13TA meet modern compliance standards?

A: Yes. The KSP13TA is ROHS3 Compliant and carries REACH Unaffected status. The MPSA13_D75Z, being obsolete, may not meet current regulatory requirements for new product designs.

Q: What is the operating temperature range for each part?

A: The MPSA13_D75Z operates from -55°C to 150°C junction temperature. The KSP13TA specifies a maximum junction temperature of 150°C without a stated minimum. Applications requiring sub-zero operation must confirm KSP13TA low-temperature performance against design specifications.

Q: Are these parts from the same manufacturer?

A: Yes. Both the MPSA13_D75Z and KSP13TA are manufactured by onsemi. The KSP13TA is the active production equivalent of the obsolete MPSA13_D75Z.

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