MPSA92_D75Z Equivalent & Substitute Parts

Part Overview

The MPSA92_D75Z is a PNP bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. This device features a maximum collector current of 500 mA, collector-emitter breakdown voltage of 300 V, and maximum power dissipation of 625 mW in a Through Hole TO-92-3 package.

The MPSA92_D75Z is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability for production, and support long-term system maintenance where original stock becomes depleted.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Current - Collector (Ic) (Max)	500	mA
Voltage - Collector Emitter Breakdown (Max)	300	V
Vce Saturation (Max) @ Ib, Ic	500mV @ 2mA, 20mA	—
Current - Collector Cutoff (Max)	250	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	25 @ 30mA, 10V	—
Power - Max	625	mW
Frequency - Transition	50	MHz
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—

Substitute Part Grouping Explanation

Substitution of the MPSA92_D75Z is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Transistor polarity (PNP)
Maximum collector current (500 mA)
Collector-emitter breakdown voltage (300 V)
Saturation voltage characteristics (500mV @ 2mA, 20mA)
Collector cutoff current (250 nA)
DC current gain minimum (25 @ 30mA, 10V)
Maximum power dissipation (625 mW)
Transition frequency (50 MHz)

Mechanical Parameters:

Mounting type (Through Hole)
Package designation (TO-92-3)

The KSP92TA meets all electrical and mechanical equivalence criteria and is therefore classified as a parametric equivalent substitute for the MPSA92_D75Z.

Parameter Comparison

Parameter	MPSA92_D75Z	KSP92TA	Match
Transistor Type	PNP	PNP	✓
Current - Collector (Ic) (Max)	500 mA	500 mA	✓
Voltage - Collector Emitter Breakdown (Max)	300 V	300 V	✓
Vce Saturation (Max) @ Ib, Ic	500mV @ 2mA, 20mA	500mV @ 2mA, 20mA	✓
Current - Collector Cutoff (Max)	250 nA	250 nA	✓
DC Current Gain (hFE) (Min) @ Ic, Vce	25 @ 30mA, 10V	25 @ 30mA, 10V	✓
Power - Max	625 mW	625 mW	✓
Frequency - Transition	50 MHz	50 MHz	✓
Mounting Type	Through Hole	Through Hole	✓
Package / Case	TO-92-3	TO-92-3	✓
Product Status	Obsolete	Active	—

Engineering Selection Recommendations

The KSP92TA is a direct parametric equivalent to the MPSA92_D75Z across all specified electrical and mechanical parameters. The primary distinction between these parts is product status: the MPSA92_D75Z is classified as obsolete, while the KSP92TA maintains active product status.

Both parts are manufactured by onsemi and share identical electrical specifications, saturation characteristics, and thermal operating ranges. Both are REACH Unaffected and classified under ECCN EAR99.

The KSP92TA is supplied in Cut Tape (CT) packaging and carries RoHS3 compliance certification. The MPSA92_D75Z does not specify RoHS status. For applications requiring RoHS compliance, the KSP92TA is the appropriate selection.

The KSP92TA is available in significantly higher inventory quantities (85,100 pieces) compared to the MPSA92_D75Z (791 pieces), supporting sustained production and long-term component availability.

Frequently Asked Questions (FAQ)

Q: Can the KSP92TA be used as a direct replacement for the MPSA92_D75Z in existing designs?

A: Yes. The KSP92TA meets all electrical and mechanical specifications of the MPSA92_D75Z. Both devices are PNP transistors with identical maximum ratings, saturation characteristics, and TO-92-3 package geometry. No circuit modifications are required for substitution.

Q: Are there differences in operating temperature ranges between these parts?

A: The MPSA92_D75Z specifies an operating temperature range of -55°C to 150°C. The KSP92TA specifies a maximum junction temperature of 150°C. Both parts support the same upper temperature limit. For applications requiring the full -55°C lower limit, both parts are equivalent.

Q: What is the significance of the product status difference?

A: The MPSA92_D75Z is classified as obsolete, indicating that onsemi has discontinued active production and support. The KSP92TA maintains active product status, ensuring continued availability, technical support, and compliance with current manufacturing standards. For new designs and long-term production, the KSP92TA is the recommended selection.

Q: Does packaging format affect substitution compatibility?

A: The MPSA92_D75Z and KSP92TA are both supplied in TO-92-3 package format with Through Hole mounting. The primary packaging difference is the supply format: MPSA92_D75Z is supplied in standard packaging, while KSP92TA is supplied in Cut Tape (CT). This affects handling and automated assembly processes but does not affect electrical or mechanical compatibility.

Q: Are there compliance or certification differences?

A: The KSP92TA carries RoHS3 compliance certification. The MPSA92_D75Z does not specify RoHS status. Both parts are REACH Unaffected and classified under ECCN EAR99. For applications requiring RoHS compliance, the KSP92TA is the appropriate selection.

Q: What inventory considerations should guide part selection?

A: The KSP92TA is available in substantially higher quantities (85,100 pieces) compared to the MPSA92_D75Z (791 pieces). For production planning and supply chain continuity, the KSP92TA supports higher volume requirements and reduces lead time risk.

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