PN2222-H-AP Equivalent & Substitute Parts

Part Overview

The PN2222-H-AP is a Bipolar (BJT) NPN transistor manufactured by Micro Commercial Co, rated for 30 V collector-emitter breakdown voltage and 600 mA maximum collector current. This component is classified as Obsolete, necessitating identification of equivalent and substitute parts for ongoing design support and procurement continuity. The part is housed in a Through Hole TO-92 package and operates across a temperature range of -55°C to 150°C.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	600	mA
Voltage - Collector Emitter Breakdown (Max)	30	V
Power - Max	625	mW
Frequency - Transition	300	MHz
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—
Operating Temperature Range	-55 to 150	°C

Substitute Part Grouping Explanation

Substitution of the PN2222-H-AP is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: NPN configuration
Current - Collector (Ic) Max: 600 mA minimum
Power - Max: 625 mW minimum
Frequency - Transition: 300 MHz minimum
Mounting Type: Through Hole
Package / Case: TO-92-3 compatible

Substitution Categories:

Direct Equivalent (PN2222TA): Meets all primary criteria with identical electrical ratings. Manufactured by onsemi. Vce Saturation and DC Current Gain specifications differ slightly but remain within functional equivalence for standard switching applications.

Similar Substitute (KSP2222ATA): Exceeds primary criteria with higher Voltage - Collector Emitter Breakdown rating (40 V versus 30 V). Manufactured by Fairchild Semiconductor. All other electrical parameters meet or exceed the PN2222-H-AP specification. This part is suitable for applications requiring higher voltage margin.

Parameter Comparison

Parameter	PN2222-H-AP (Main)	PN2222TA (Direct)	KSP2222ATA (Similar)
Manufacturer	Micro Commercial Co	onsemi	Fairchild Semiconductor
Product Status	Obsolete	Last Time Buy	Active
Transistor Type	NPN	NPN	NPN
Current - Collector (Ic) Max	600 mA	600 mA	600 mA
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V	40 V
Vce Saturation (Max) @ Ib, Ic	1V @ 50mA, 500mA	1V @ 50mA, 500mA	1V @ 50mA, 500mA
Current - Collector Cutoff (Max)	100 nA	10 nA	10 nA
Power - Max	625 mW	625 mW	625 mW
Frequency - Transition	300 MHz	300 MHz	300 MHz
Operating Temperature (TJ)	-55 to 150 °C	150 °C	150 °C
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-92-3	TO-92-3	TO-92-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not Specified

Engineering Selection Recommendations

For Direct Replacement (PN2222TA): PN2222TA is the direct functional equivalent of PN2222-H-AP. Both parts share identical electrical specifications for collector current, voltage breakdown, power dissipation, and transition frequency. PN2222TA is manufactured by onsemi and carries Last Time Buy status, indicating limited future availability. This part is suitable for applications where the original 30 V rating is the design requirement and no voltage margin is needed. ROHS3 compliance is confirmed.

For Enhanced Voltage Margin (KSP2222ATA): KSP2222ATA is manufactured by Fairchild Semiconductor and is currently Active in production. This part exceeds the PN2222-H-AP specification by providing 40 V collector-emitter breakdown voltage while maintaining all other electrical parameters at or above the original part rating. KSP2222ATA is suitable for applications where higher voltage headroom improves circuit reliability or where design flexibility is required. This part is the preferred long-term solution due to Active product status and higher voltage rating.

Both substitute parts are housed in TO-92-3 packages compatible with the original Through Hole mounting footprint and require no PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can PN2222TA be used as a direct replacement for PN2222-H-AP?

A: Yes. PN2222TA meets all electrical specifications of PN2222-H-AP, including 600 mA collector current, 30 V breakdown voltage, 625 mW power rating, and 300 MHz transition frequency. Both parts use the TO-92-3 package. The primary consideration is that PN2222TA carries Last Time Buy status, indicating limited future procurement availability.

Q: What is the difference between PN2222TA and KSP2222ATA?

A: Both parts are functionally equivalent to PN2222-H-AP in terms of collector current, power rating, and transition frequency. The key difference is voltage rating: PN2222TA maintains the original 30 V specification, while KSP2222ATA provides 40 V breakdown voltage. KSP2222ATA is Active in production, whereas PN2222TA is Last Time Buy. For new designs, KSP2222ATA is recommended due to higher voltage margin and ongoing availability.

Q: Are the substitute parts pin-compatible with PN2222-H-AP?

A: Yes. Both PN2222TA and KSP2222ATA use the TO-92-3 package with identical pin configuration to PN2222-H-AP. No PCB modifications are required for substitution.

Q: Which substitute part should be selected for long-term production?

A: KSP2222ATA is recommended for long-term production use. This part is Active in production status, ensuring ongoing availability. The 40 V rating provides additional design margin compared to the original 30 V specification. PN2222TA, while a direct equivalent, carries Last Time Buy status and should be considered only for short-term or legacy support applications.

Q: Do the substitute parts meet RoHS compliance?

A: PN2222TA is confirmed ROHS3 compliant. KSP2222ATA RoHS status is not specified in the provided data. Compliance verification with the component supplier is recommended if RoHS certification is a design requirement.

Q: Can KSP2222ATA be used in applications designed for 30 V operation?

A: Yes. KSP2222ATA is rated for 40 V maximum breakdown voltage, which exceeds the 30 V requirement. The higher voltage rating does not degrade performance in 30 V applications; it provides additional safety margin and improved reliability.

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