BC327-16,112 Equivalent & Substitute Parts Reference

Part Overview

The BC327-16,112 is a PNP bipolar junction transistor manufactured by NXP USA Inc., housed in a TO-92-3 through-hole package. This component is rated for 45 V collector-emitter breakdown voltage, 500 mA maximum collector current, and 625 mW power dissipation. The device operates at a transition frequency of 80 MHz with a maximum junction temperature of 150°C.

The BC327-16,112 carries an obsolete product status. Equivalent substitute parts are available from onsemi with active product status, offering improved electrical performance while maintaining mechanical and thermal compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	625	mW
Frequency - Transition	80	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—

Substitute Part Grouping Explanation

Substitution eligibility for the BC327-16,112 is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Transistor Type: PNP
Voltage - Collector Emitter Breakdown (Max): 45 V or greater
Power - Max: 625 mW or greater
Mounting Type: Through Hole
Package / Case: TO-92-3

Performance Enhancement Parameters (Allowable Improvements):

Current - Collector (Ic) (Max): 500 mA or greater
Frequency - Transition: 80 MHz or greater
DC Current Gain (hFE): 100 or greater @ 100mA, 1V

The substitute parts BC32725BU and BC32725TA from onsemi meet all mandatory compatibility criteria. Both devices exceed the original specifications in collector current (800 mA vs. 500 mA) and transition frequency (100 MHz vs. 80 MHz), while maintaining identical voltage ratings, power dissipation, and thermal operating range. Both substitute parts carry active product status and full RoHS3 compliance.

Parameter Comparison

Parameter	BC327-16,112 (NXP)	BC32725BU (onsemi)	BC32725TA (onsemi)	Unit
Product Status	Obsolete	Active	Active	—
Transistor Type	PNP	PNP	PNP	—
Voltage - Collector Emitter Breakdown (Max)	45	45	45	V
Current - Collector (Ic) (Max)	500	800	800	mA
Vce Saturation (Max) @ Ib, Ic	700mV @ 50mA, 500mA	700mV @ 50mA, 500mA	700mV @ 50mA, 500mA	V
Current - Collector Cutoff (Max)	100	100	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 100mA, 1V	160 @ 100mA, 1V	160 @ 100mA, 1V	—
Power - Max	625	625	625	mW
Frequency - Transition	80	100	100	MHz
Operating Temperature (TJ)	150	150	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	ROHS3 Compliant	—
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

BC32725BU (onsemi, Bulk Packaging): This substitute is suitable for applications requiring bulk component procurement. The device maintains full electrical and mechanical compatibility with the BC327-16,112 while offering enhanced performance specifications. Active product status ensures long-term availability and supply chain continuity. RoHS3 compliance and REACH unaffected status satisfy regulatory requirements for industrial and consumer applications.

BC32725TA (onsemi, Cut Tape Packaging): This substitute is suitable for applications requiring tape-and-reel component delivery. Identical electrical and thermal specifications to BC32725BU. Cut tape packaging accommodates automated assembly processes. Active product status and full regulatory compliance match BC32725BU. Higher inventory availability (45,300 pcs) supports extended production runs.

Selection Basis: Both substitute parts are qualified replacements based on:

Identical voltage and thermal ratings
Maintained mechanical compatibility (TO-92-3 package, through-hole mounting)
Active product status (vs. obsolete original)
Full RoHS3 and REACH compliance
Enhanced electrical performance (higher collector current and transition frequency)

The choice between BC32725BU and BC32725TA depends solely on packaging requirements: bulk for manual assembly or component stocking; cut tape for automated pick-and-place operations.

Frequently Asked Questions (FAQ)

Q: Can BC32725BU or BC32725TA be used as direct replacements for BC327-16,112 in existing circuit designs?

A: Yes. Both substitute parts maintain identical voltage ratings (45 V), power dissipation (625 mW), thermal operating range (150°C), and TO-92-3 package configuration. The enhanced collector current (800 mA vs. 500 mA) and transition frequency (100 MHz vs. 80 MHz) provide performance headroom without requiring circuit redesign.

Q: What is the difference between BC32725BU and BC32725TA?

A: Both parts are electrically and thermally identical. The difference is packaging format: BC32725BU is supplied in bulk; BC32725TA is supplied in cut tape (CT). Select based on assembly process requirements. BC32725TA offers higher inventory availability.

Q: Are the substitute parts compatible with the original TO-92-3 footprint?

A: Yes. Both BC32725BU and BC32725TA use the TO-92-3 package with formed leads, maintaining identical pin configuration and PCB footprint compatibility with BC327-16,112.

Q: Do the substitute parts meet the same regulatory requirements as the original?

A: Yes. Both BC32725BU and BC32725TA carry RoHS3 compliance and REACH unaffected status, matching the regulatory profile of BC327-16,112.

Q: Why is the original BC327-16,112 marked as obsolete?

A: The BC327-16,112 carries obsolete product status from NXP USA Inc. The onsemi BC327 series variants (BC32725BU and BC32725TA) are active products with equivalent or superior specifications, ensuring continued availability and supply chain reliability.

Q: Can I mix BC32725BU and BC32725TA in the same production run?

A: Yes. Both parts are electrically and thermally identical. Mixing is acceptable if supply or logistics constraints require it. Ensure component labeling and traceability documentation reflect the specific part numbers used.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message