BCP56T3G Equivalent & Substitute Parts

Part Overview

The BCP56T3G is an NPN bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. This Surface Mount device is packaged in SOT-223 (TO-261) configuration and is rated for 80 V collector-emitter breakdown voltage with 1 A maximum collector current. The part is Active status and RoHS3 compliant, making it suitable for modern electronic applications requiring environmental compliance. Equivalent and substitute parts are identified to support design flexibility, supply chain alternatives, and application-specific performance requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	1	A
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 150mA, 2V	—
Power - Max	1.5	W
Frequency - Transition	130	MHz
Operating Temperature	-65 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-261-4, TO-261AA	—
Supplier Device Package	SOT-223 (TO-261)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BCP56T3G are classified into three categories based on electrical and mechanical compatibility:

Direct Manufacturer Substitutes maintain identical electrical specifications across all critical parameters: 80 V collector-emitter breakdown voltage, 1 A maximum collector current, 500 mV saturation voltage, 100 nA collector cutoff current, 40 minimum DC current gain, and SOT-223 surface mount packaging. These parts differ only in manufacturing source, packaging format (Tape & Reel versus Cut Tape), or automotive qualification status.

Parametric Equivalents share the same core electrical ratings (80 V, 1 A, 500 mV saturation, 100 nA cutoff, 40 minimum hFE) and SOT-223 packaging but may vary in secondary parameters such as transition frequency (100–180 MHz versus 130 MHz), maximum power dissipation (960 mW to 2 W versus 1.5 W), or operating temperature range (-55°C to 175°C versus -65°C to 150°C). These variations do not affect basic switching functionality in standard applications.

Similar Parts maintain the critical voltage and current ratings (80 V, 1 A, 500 mV saturation, 100 nA cutoff) and SOT-223 packaging but exhibit higher DC current gain (63–100 versus 40 minimum), higher transition frequency (180 MHz versus 130 MHz), or reduced power dissipation (960 mW versus 1.5 W). These characteristics make them suitable for applications where faster switching or higher current gain is beneficial.

All substitute parts are RoHS3 compliant, MSL Level 1, and available in Surface Mount configuration with TO-261-4 or TO-261AA package variants.

Parameter Comparison

Part Number	Manufacturer	Ic (Max)	Vce Breakdown	Vce Sat (Max)	hFE (Min)	Power (Max)	Frequency	Temp Range	Package	Packaging Type	Automotive
BCP56T3G	onsemi	1 A	80 V	500mV	40	1.5 W	130 MHz	-65 to 150°C	SOT-223	Tape & Reel	No
SBCP56T1G	onsemi	1 A	80 V	500mV	40	1.5 W	130 MHz	-65 to 150°C	SOT-223	Tape & Reel	Yes (AEC-Q101)
BCP56T1G	onsemi	1 A	80 V	500mV	40	1.5 W	130 MHz	-65 to 150°C	SOT-223	Cut Tape & Digi-Reel	No
SBCP56T3G	onsemi	1 A	80 V	500mV	40	1.5 W	130 MHz	-65 to 150°C	SOT-223	Tape & Reel	Yes (AEC-Q101)
BCP56TA	Diodes Incorporated	1 A	80 V	500mV	40	2 W	150 MHz	-55 to 150°C	SOT-223	Tape & Reel	No
BCP56,115	Nexperia USA Inc.	1 A	80 V	500mV	63	960 mW	180 MHz	-55 to 150°C	SOT-223	Cut Tape & Digi-Reel	No
BCP56-10,115	Nexperia USA Inc.	1 A	80 V	500mV	63	960 mW	180 MHz	-55 to 150°C	SOT-223	Tape & Reel	No
BCP56-10,135	Nexperia USA Inc.	1 A	80 V	500mV	63	960 mW	180 MHz	-55 to 150°C	SOT-223	Tape & Reel	No
BCP56-10HX	Nexperia USA Inc.	1 A	80 V	500mV	63	Not specified	100 MHz	-55 to 175°C	SOT-223	Tape & Reel	Yes (AEC-Q101)
BCP56-16	ANBON SEMICONDUCTOR	1 A	80 V	500mV	100	1.6 W	Not specified	-55 to 150°C	SOT-223	Cut Tape & Digi-Reel	No
BCP56-16,115	Nexperia USA Inc.	1 A	80 V	500mV	100	960 mW	180 MHz	-55 to 150°C	SOT-223	Cut Tape & Digi-Reel	No

Engineering Selection Recommendations

For Direct Substitution (Identical Electrical Performance): Select SBCP56T1G or BCP56T1G when exact electrical equivalence is required. Both parts maintain all critical parameters of the BCP56T3G: 80 V breakdown voltage, 1 A collector current, 500 mV saturation voltage, 40 minimum DC current gain, 130 MHz transition frequency, and 1.5 W power dissipation. SBCP56T1G includes AEC-Q101 automotive qualification and is suitable for automotive applications. BCP56T1G is available in Cut Tape & Digi-Reel packaging for high-volume production environments. SBCP56T3G provides identical electrical specifications with automotive qualification (AEC-Q101) and is available in Tape & Reel format.

For Enhanced Performance (Higher Frequency or Power): Select BCP56TA (Diodes Incorporated) when increased transition frequency (150 MHz) or higher power dissipation (2 W) is beneficial. This part maintains the 80 V, 1 A, 500 mV saturation, and 40 minimum hFE specifications while offering improved thermal performance. Operating temperature range is -55°C to 150°C.

For Higher Current Gain Applications: Select BCP56-16,115 (Nexperia USA Inc.) when higher DC current gain (100 minimum versus 40) is required. This part maintains 80 V, 1 A, 500 mV saturation specifications with 180 MHz transition frequency and 960 mW power dissipation. Available in Cut Tape & Digi-Reel packaging.

For Automotive Applications: Select SBCP56T1G or SBCP56T3G (onsemi) or BCP56-10HX (Nexperia USA Inc.) when AEC-Q101 automotive qualification is mandatory. All three parts meet automotive standards while maintaining core electrical specifications.

For Supply Chain Flexibility: All listed substitute parts are RoHS3 compliant, MSL Level 1, and available in SOT-223 surface mount packaging. Selection among equivalent parts should prioritize availability, packaging format (Tape & Reel versus Cut Tape), and lead time requirements.

Frequently Asked Questions (FAQ)

Q: Can SBCP56T1G replace BCP56T3G in all applications? A: Yes. SBCP56T1G is electrically identical to BCP56T3G across all critical parameters: 80 V breakdown voltage, 1 A collector current, 500 mV saturation voltage, 40 minimum DC current gain, 130 MHz transition frequency, and 1.5 W power dissipation. The primary difference is AEC-Q101 automotive qualification in SBCP56T1G. Both are packaged in SOT-223 surface mount configuration.

Q: What is the difference between BCP56T1G and BCP56T3G? A: Both parts are manufactured by onsemi with identical electrical specifications. The primary difference is packaging format: BCP56T3G is supplied in Tape & Reel format, while BCP56T1G is available in Cut Tape & Digi-Reel format. Electrical performance is equivalent.

Q: Can I use BCP56TA as a direct replacement? A: BCP56TA (Diodes Incorporated) is a parametric equivalent with identical voltage, current, and saturation specifications. However, it offers higher transition frequency (150 MHz versus 130 MHz) and higher power dissipation (2 W versus 1.5 W). Operating temperature minimum is -55°C versus -65°C for BCP56T3G. It is suitable for applications where these enhanced specifications are acceptable or beneficial.

Q: What does the "S" prefix in SBCP56T1G indicate? A: The "S" prefix indicates automotive-grade qualification (AEC-Q101). SBCP56T1G meets automotive industry standards and is suitable for automotive applications. Electrical specifications remain identical to the standard BCP56T1G.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts are RoHS3 compliant and MSL Level 1 (Unlimited moisture sensitivity), meeting modern environmental and reliability standards.

Q: Can I use BCP56-16,115 if my application requires higher current gain? A: Yes. BCP56-16,115 (Nexperia USA Inc.) provides 100 minimum DC current gain compared to 40 for BCP56T3G, while maintaining identical voltage (80 V), current (1 A), and saturation (500 mV) specifications. Higher current gain enables reduced base drive requirements in switching applications. Transition frequency is 180 MHz and power dissipation is 960 mW.

Q: What packaging options are available for BCP56T3G substitutes? A: Substitute parts are available in two packaging formats: Tape & Reel (TR) for automated assembly and high-volume production, and Cut Tape (CT) & Digi-Reel for flexible quantity requirements. All parts use SOT-223 (TO-261) surface mount package with TO-261-4 or TO-261AA case variants.

Q: Is BCP56-10HX suitable for high-temperature applications? A: BCP56-10HX (Nexperia USA Inc.) supports operating temperatures up to 175°C, compared to 150°C for BCP56T3G. It includes AEC-Q101 automotive qualification and maintains 80 V, 1 A, 500 mV saturation, and 63 minimum DC current gain specifications. Transition frequency is 100 MHz.

Q: What is the inventory status of substitute parts? A: Inventory levels vary by part number and supplier. BCP56-16,115 (Nexperia) has the highest inventory at 81,491 pieces. SBCP56T3G has the lowest at 12,079 pieces. Availability should be confirmed with suppliers for production requirements.

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