PN2222 Equivalent & Substitute Parts

Part Overview

The PN2222 is a through-hole NPN bipolar junction transistor manufactured by onsemi, rated for 30 V collector-emitter breakdown voltage and 600 mA maximum collector current. The device is packaged in TO-92 (TO-226-3) configuration and operates across a temperature range of -55°C to 150°C. The PN2222 is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and procurement continuity.

Substiute Parts

PN2222

onsemiIn Stock: 8513PN2222 Datasheet

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PN2222ABU

onsemiIn Stock: 2929PN2222ABU Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the PN2222 is determined by electrical and mechanical compatibility within the NPN bipolar transistor category. The primary substitution criteria are:

Electrical Parameters:

• Transistor type must be NPN
• Maximum collector current (Ic) must equal or exceed 600 mA
• Maximum collector-emitter breakdown voltage (Vce) must equal or exceed 30 V
• Maximum power dissipation must equal or exceed 625 mW
• DC current gain (hFE) must meet or exceed 100 @ 150mA, 10V
• Operating temperature range must encompass -55°C to 150°C

Mechanical Parameters:

• Mounting type must be through-hole
• Package must be TO-92-3 or equivalent TO-226-3 configuration

The PN2222ABU meets all substitution criteria with enhanced electrical ratings and active product status.

Parameter Comparison

Engineering Selection Recommendations

PN2222ABU is the qualified substitute for PN2222 applications. The PN2222ABU provides enhanced electrical performance with higher maximum collector current (1 A versus 600 mA) and higher collector-emitter breakdown voltage (40 V versus 30 V), while maintaining identical DC current gain and power dissipation ratings. The PN2222ABU is classified as active product status, ensuring ongoing availability and manufacturing support.

The PN2222ABU carries RoHS3 compliance certification, whereas the original PN2222 is RoHS non-compliant. Both devices maintain identical REACH unaffected status and EAR99 export classification. The PN2222ABU is supplied in TO-92-3 packaging, providing direct mechanical compatibility with through-hole PCB designs specified for the PN2222.

Frequently Asked Questions (FAQ)

Q: Can PN2222ABU directly replace PN2222 in existing designs?

A: Yes. The PN2222ABU is mechanically and electrically compatible with PN2222 applications. The TO-92-3 package footprint is identical, and all electrical parameters of PN2222ABU meet or exceed PN2222 specifications. No circuit modifications are required.

Q: What are the key differences between PN2222 and PN2222ABU?

A: PN2222ABU provides higher maximum collector current (1 A versus 600 mA), higher collector-emitter breakdown voltage (40 V versus 30 V), improved saturation voltage (1 V versus 1.6 V @ 50mA, 500mA), and higher transition frequency (300 MHz versus 250 MHz). PN2222ABU is active product status with RoHS3 compliance.

Q: Are there packaging differences between PN2222 and PN2222ABU?

A: Both devices use TO-92-3 (TO-226-3) through-hole packaging. Pin configuration and PCB footprint are identical. PN2222ABU is supplied in bulk packaging, while PN2222 was supplied in standard packaging.

Q: What is the operating temperature range for both devices?

A: Both PN2222 and PN2222ABU operate across -55°C to 150°C junction temperature range, providing identical thermal performance specifications.

Q: Why is PN2222 classified as obsolete?

A: PN2222 is no longer in active production. PN2222ABU is the active equivalent offering superior electrical performance and modern compliance certifications.

Q: Are there RoHS compliance differences?

A: PN2222 is RoHS non-compliant. PN2222ABU is RoHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.