KSP06TA Equivalent & Substitute Parts

Part Overview

The KSP06TA is an NPN bipolar junction transistor manufactured by onsemi, rated for 80 V collector-emitter breakdown voltage and 500 mA maximum collector current. This device is packaged in a TO-92-3 through-hole configuration and is rated for 625 mW maximum power dissipation with a transition frequency of 100 MHz. The KSP06TA is classified as obsolete, making identification of equivalent substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	625	mW
Frequency - Transition	100	MHz
Vce Saturation (Max) @ Ib, Ic	250 mV @ 10 mA, 100 mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 100 mA, 1 V	—
Operating Temperature (TJ)	150	°C
Package / Case	TO-92-3 (TO-226AA)	—
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitution of the KSP06TA is determined by strict equivalence across the following electrical and mechanical parameters:

Transistor Type: NPN configuration required
Voltage Rating: Collector-emitter breakdown voltage of 80 V minimum
Current Rating: Maximum collector current of 500 mA minimum
Power Dissipation: Maximum power rating of 625 mW minimum
Frequency Performance: Transition frequency of 100 MHz minimum
Saturation Characteristics: Vce saturation of 250 mV maximum at specified bias conditions
Leakage Current: Collector cutoff current of 100 nA maximum
Package: TO-92-3 through-hole configuration with formed leads
Compliance: RoHS3 compliance and REACH unaffected status

The MPSA06-AP manufactured by Micro Commercial Co meets all specified electrical and mechanical parameters and qualifies as a direct substitute for the KSP06TA.

Parameter Comparison

Parameter	KSP06TA (onsemi)	MPSA06-AP (Micro Commercial Co)	Match
Transistor Type	NPN	NPN	Yes
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	Yes
Current - Collector (Ic) (Max)	500 mA	500 mA	Yes
Power - Max	625 mW	625 mW	Yes
Frequency - Transition	100 MHz	100 MHz	Yes
Vce Saturation (Max) @ Ib, Ic	250 mV @ 10 mA, 100 mA	250 mV @ 10 mA, 100 mA	Yes
Current - Collector Cutoff (Max)	100 nA	100 nA	Yes
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 100 mA, 1 V	100 @ 100 mA, 1 V	Exceeds
Operating Temperature (TJ)	150 °C	150 °C	Yes
Package / Case	TO-92-3 (TO-226AA)	TO-92-3 (TO-226AA)	Yes
Mounting Type	Through Hole	Through Hole	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes

Engineering Selection Recommendations

The MPSA06-AP is a direct electrical and mechanical equivalent to the KSP06TA. Both devices are classified as obsolete, requiring substitution for new procurement. The MPSA06-AP demonstrates superior DC current gain performance (100 minimum versus 50 minimum at specified bias conditions), which provides additional design margin without compromising circuit compatibility. Both parts maintain identical compliance certifications under RoHS3 and REACH regulations, ensuring regulatory continuity in applications requiring these standards. The TO-92-3 through-hole package is identical between both devices, permitting direct board-level substitution without layout modification. Selection between these parts should be based on current availability and supplier lead times, as electrical performance is equivalent or superior for the MPSA06-AP.

Frequently Asked Questions (FAQ)

Q: Can the MPSA06-AP be used as a direct replacement for the KSP06TA in existing designs?

A: Yes. The MPSA06-AP meets or exceeds all electrical specifications of the KSP06TA, including voltage rating, current rating, power dissipation, frequency response, and saturation characteristics. The TO-92-3 package is identical, permitting direct substitution without circuit redesign or board modification.

Q: What is the significance of the higher DC current gain (hFE) in the MPSA06-AP?

A: The MPSA06-AP specifies a minimum DC current gain of 100 at 100 mA and 1 V, compared to 50 for the KSP06TA. This higher gain provides additional design margin in current-driven applications and may reduce base drive requirements. This difference does not prevent substitution and is compatible with existing circuit designs.

Q: Are there package compatibility concerns when substituting the MPSA06-AP for the KSP06TA?

A: No. Both devices use the TO-92-3 (TO-226AA) through-hole package with formed leads. Pin configuration and mechanical dimensions are identical, enabling direct board-level substitution.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both the KSP06TA and MPSA06-AP are RoHS3 compliant and REACH unaffected, maintaining identical regulatory status for applications requiring these certifications.

Q: Why is the KSP06TA classified as obsolete?

A: The KSP06TA is listed as obsolete by the manufacturer. The MPSA06-AP provides equivalent functionality and is available for ongoing procurement, making it the appropriate substitute for new designs and production continuity.

Q: Are there any electrical parameters where the KSP06TA outperforms the MPSA06-AP?

A: No. All electrical parameters are equivalent or superior in the MPSA06-AP. The MPSA06-AP meets or exceeds the KSP06TA across voltage rating, current rating, power dissipation, frequency response, saturation voltage, and leakage current specifications.

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