BCX56-16-TP Equivalent & Substitute Parts

Part Overview

The BCX56-16-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for general-purpose switching and amplification applications. This surface mount device operates at 80 V collector-emitter breakdown voltage with a maximum collector current of 1 A and 500 mW power dissipation. The part is currently active in production with RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter range. Alternative sources and packaging formats may be required due to inventory availability, supply chain considerations, or application-specific requirements such as automotive qualification.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	1	A
Collector-Emitter Breakdown Voltage (Max)	80	V
Power Dissipation (Max)	500	mW
Transition Frequency	130	MHz
DC Current Gain (hFE Min)	100	@ 150mA, 2V
Vce Saturation (Max)	500	mV @ 50mA, 500mA
Package Type	SOT-89 (TO-243AA)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the BCX56-16-TP are classified into two categories based on electrical and mechanical parameter alignment:

Parametric Equivalents maintain identical or superior electrical specifications across all critical parameters: collector current (1 A), collector-emitter breakdown voltage (80 V), saturation voltage (500 mV @ 50mA, 500mA), current gain (hFE ≥ 100 @ 150mA, 2V), and package format (SOT-89). These parts are direct functional replacements with no circuit redesign required.

Similar Parts meet the core voltage and current requirements but may differ in transition frequency, power dissipation, current gain specifications, or packaging format. These parts require engineering evaluation for specific application constraints.

The following parameters determine substitution eligibility:

Collector current rating ≥ 1 A
Collector-emitter breakdown voltage ≥ 80 V
Package compatibility (SOT-89 or TO-243AA)
Surface mount mounting type
RoHS3 compliance
Saturation voltage performance within specified test conditions

Parameter Comparison

Part Number	Manufacturer	Ic (Max)	Vce(BR)	Power (Max)	fT	hFE (Min)	Vce Sat	Package	Status
BCX56-16-TP	Micro Commercial Co	1 A	80 V	500 mW	130 MHz	100 @ 150mA, 2V	500mV @ 50mA, 500mA	SOT-89	Active
BCX56-16HE3-TP	Micro Commercial Co	1 A	80 V	500 mW	130 MHz	100 @ 150mA, 2V	500mV @ 50mA, 500mA	SOT-89	Active
BCX56-16TF	Nexperia USA Inc.	1 A	80 V	500 mW	155 MHz	100 @ 150mA, 2V	500mV @ 50mA, 500mA	SOT-89	Active
BCX56-16TX	Nexperia USA Inc.	1 A	80 V	500 mW	155 MHz	100 @ 150mA, 2V	500mV @ 50mA, 500mA	SOT-89	Active
BCX56TA	Diodes Incorporated	1 A	80 V	1 W	150 MHz	40 @ 150mA, 2V	500mV @ 50mA, 500mA	SOT-89-3	Active
2SD1898T100P	Rohm Semiconductor	1 A	80 V	2 W	100 MHz	82 @ 500mA, 3V	400mV @ 20mA, 500mA	MPT3	Not For New Designs

Engineering Selection Recommendations

BCX56-16HE3-TP (Micro Commercial Co) is a parametric equivalent offering identical electrical specifications to the BCX56-16-TP with extended operating temperature range (-55°C to 150°C versus 150°C maximum). This part is active in production with RoHS3 compliance and is suitable for direct substitution in all applications.

BCX56-16TF and BCX56-16TX (Nexperia USA Inc.) are parametric equivalents with enhanced transition frequency (155 MHz versus 130 MHz) and automotive-grade qualification (AEC-Q101). Both parts maintain identical saturation voltage and current gain specifications. These parts are active in production and suitable for applications requiring automotive qualification or higher frequency performance.

BCX56TA (Diodes Incorporated) is an active production part with superior power dissipation (1 W versus 500 mW) and higher transition frequency (150 MHz). However, the DC current gain specification is lower (hFE minimum 40 versus 100), requiring circuit evaluation for applications dependent on gain characteristics. This part is suitable for applications prioritizing power handling capability.

2SD1898T100P (Rohm Semiconductor) is classified as "Not For New Designs" and should not be selected for new circuit implementations. This part exhibits lower DC current gain (82 @ 500mA, 3V) and different saturation voltage test conditions (400mV @ 20mA, 500mA). The MPT3 package differs from the standard SOT-89 format. This part is listed for reference only in legacy system maintenance scenarios.

Frequently Asked Questions (FAQ)

Q: Can BCX56-16HE3-TP replace BCX56-16-TP in existing designs?

A: Yes. BCX56-16HE3-TP is a parametric equivalent with identical electrical specifications and package format. The extended operating temperature range provides additional design margin. No circuit modifications are required.

Q: What is the difference between BCX56-16TF and BCX56-16TX?

A: Both parts are parametric equivalents from Nexperia USA Inc. with identical electrical specifications and automotive qualification (AEC-Q101). The primary difference is packaging format: BCX56-16TF is supplied in Cut Tape & Digi-Reel format, while BCX56-16TX is also supplied in Cut Tape & Digi-Reel format. Both are suitable for direct substitution.

Q: Is BCX56TA a suitable replacement for BCX56-16-TP?

A: BCX56TA meets the core voltage and current requirements and maintains saturation voltage performance. However, the DC current gain is significantly lower (hFE minimum 40 versus 100). Applications dependent on transistor gain for biasing or signal amplification require circuit re-evaluation. The higher power dissipation rating (1 W) is beneficial for high-current switching applications.

Q: Why is 2SD1898T100P listed as "Not For New Designs"?

A: 2SD1898T100P is a legacy part from Rohm Semiconductor no longer recommended for new circuit development. While it meets basic voltage and current specifications, the lower DC current gain and different saturation voltage test conditions create compatibility risks. This part is referenced only for maintenance of existing systems.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1), consistent with the BCX56-16-TP specification.

Q: What packaging formats are available for BCX56-16-TP substitutes?

A: The BCX56-16-TP is supplied in Tape & Reel (TR) format. Parametric equivalents BCX56-16HE3-TP maintains TR packaging. BCX56-16TF and BCX56-16TX are supplied in Cut Tape (CT) & Digi-Reel format. BCX56TA uses SOT-89-3 packaging. All maintain the SOT-89 (TO-243AA) physical form factor for PCB compatibility.

Q: Can BCX56-16TF or BCX56-16TX be used in automotive applications?

A: Yes. Both BCX56-16TF and BCX56-16TX carry automotive-grade qualification (AEC-Q101) and are suitable for automotive circuit implementations. The BCX56-16-TP does not carry automotive qualification.

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