BCP56/ZLF Equivalent & Substitute Parts

Part Overview

The BCP56/ZLF is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This device features an 80 V collector-emitter breakdown voltage, 1 A maximum collector current, and 1.35 W power dissipation in a surface mount SOT-223 package. The BCP56/ZLF holds an Obsolete product status, necessitating identification of equivalent and substitute components for ongoing design support and production continuity. Active alternatives with identical or superior electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	1	A
Collector-Emitter Breakdown Voltage (Max)	80	V
Vce Saturation (Max)	500	mV @ 50mA, 500mA
Collector Cutoff Current (Max)	100	nA
DC Current Gain (hFE Min)	63	@ 150mA, 2V
Power Dissipation (Max)	1.35	W
Transition Frequency	180	MHz
Operating Temperature (Max)	150	°C
Package Type	SOT-223 (TO-261-4, TO-261AA)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BCP56/ZLF is determined by strict equivalence across the following critical electrical and mechanical parameters:

Mandatory Matching Parameters:

Transistor Type: NPN
Collector Current (Max): 1 A
Collector-Emitter Breakdown Voltage (Max): 80 V
Vce Saturation (Max): 500 mV @ 50mA, 500mA
Collector Cutoff Current (Max): 100 nA
Package/Case: TO-261-4, TO-261AA (SOT-223)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

DC Current Gain (hFE): Minimum 63 @ 150mA, 2V (higher values acceptable)
Power Dissipation (Max): 960 mW to 1.6 W (equal to or greater than 960 mW acceptable)
Transition Frequency: 100 MHz to 180 MHz (equal to or greater than 100 MHz acceptable)
Operating Temperature Range: -55°C to -65°C minimum; 150°C maximum (wider ranges acceptable)
Product Status: Active preferred; Obsolete acceptable for legacy applications
Grade/Qualification: Automotive grade with AEC-Q101 qualification acceptable for general-purpose applications

All substitute parts listed maintain full electrical and mechanical compatibility with the BCP56/ZLF within the SOT-223 surface mount package footprint.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) [A]	Vce(br) (Max) [V]	hFE (Min) @ 150mA, 2V	Power (Max) [W]	Freq - Transition [MHz]	Temp Range [°C]	Package
BCP56/ZLF	Nexperia USA Inc.	Obsolete	1	80	63	1.35	180	0 to 150	SOT-223
BCP56,115	Nexperia USA Inc.	Active	1	80	63	0.96	180	0 to 150	SOT-223
BCP56-16	ANBON SEMICONDUCTOR (INT'L) LIMITED	Active	1	80	100	1.6	—	0 to 150	SOT-223
BCP56-16-TP	Micro Commercial Co	Active	1	80	63	1.5	100	-55 to 150	SOT-223
BCP56-16T3G	onsemi	Active	1	80	100	1.5	130	-65 to 150	SOT-223
NSVBCP56-10T3G	onsemi	Active	1	80	63	1.5	130	-65 to 150	SOT-223
SBCP56-16T1G	onsemi	Active	1	80	100	1.5	130	-65 to 150	SOT-223

Engineering Selection Recommendations

Direct Replacement (Nexperia Lineage): BCP56,115 is the active production equivalent from the original manufacturer Nexperia USA Inc. This part maintains identical electrical specifications to the BCP56/ZLF, including 180 MHz transition frequency and 63 minimum hFE. The reduced power rating (960 mW versus 1.35 W) remains within acceptable thermal margins for equivalent circuit implementations. This part is recommended as the primary replacement for legacy BCP56/ZLF designs.

Cross-Manufacturer Alternatives (Active Status): BCP56-16-TP (Micro Commercial Co), BCP56-16T3G (onsemi), NSVBCP56-10T3G (onsemi), and SBCP56-16T1G (onsemi) are all active production parts meeting or exceeding the electrical requirements of the BCP56/ZLF. These alternatives provide enhanced power dissipation (1.5 W to 1.6 W) and extended operating temperature ranges (-55°C to -65°C minimum). BCP56-16 from ANBON SEMICONDUCTOR offers the highest power rating (1.6 W) with elevated hFE (100 minimum).

Automotive-Grade Selection: SBCP56-16T1G carries Automotive grade designation with AEC-Q101 qualification, suitable for applications requiring automotive-level reliability and traceability.

Packaging Considerations: All substitute parts are supplied in SOT-223 surface mount packages with identical TO-261-4 and TO-261AA footprints, ensuring direct PCB compatibility without layout modification.

Frequently Asked Questions (FAQ)

Q: Can BCP56,115 be used as a direct replacement for BCP56/ZLF? A: Yes. BCP56,115 is manufactured by Nexperia USA Inc. and maintains identical electrical specifications including 1 A collector current, 80 V breakdown voltage, 63 minimum hFE, and 180 MHz transition frequency. The 960 mW power rating is lower than the original 1.35 W specification but remains adequate for equivalent circuit designs.

Q: What is the primary difference between BCP56,115 and BCP56-16T3G? A: BCP56,115 is manufactured by Nexperia and maintains the original 180 MHz transition frequency with 63 minimum hFE. BCP56-16T3G is manufactured by onsemi with 130 MHz transition frequency but elevated hFE (100 minimum) and extended temperature range (-65°C to 150°C). Both meet the core electrical requirements of the BCP56/ZLF.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the environmental compliance profile of the BCP56/ZLF.

Q: Does the SOT-223 package footprint remain identical across all substitutes? A: Yes. All substitute parts utilize the SOT-223 package with TO-261-4 and TO-261AA designations, providing identical surface mount footprints and pin configurations. No PCB layout modification is required.

Q: Which substitute part offers the widest operating temperature range? A: BCP56-16T3G and SBCP56-16T1G both provide -65°C to 150°C operating temperature ranges, extending the minimum temperature specification by 15°C compared to the BCP56/ZLF (0°C to 150°C).

Q: Can BCP56-16 be used in applications requiring specific hFE matching? A: BCP56-16 specifies a minimum hFE of 100 @ 150mA, 2V, which exceeds the BCP56/ZLF minimum of 63. Applications with strict hFE tolerance requirements should evaluate circuit performance with the elevated gain specification.

Q: What is the significance of the SBCP56-16T1G automotive qualification? A: SBCP56-16T1G carries AEC-Q101 qualification and Automotive grade designation, indicating compliance with automotive reliability standards. This part is suitable for applications requiring automotive-level traceability and quality assurance, though it functions identically to non-automotive alternatives in general-purpose circuits.

Q: Are there inventory considerations when selecting a substitute? A: Inventory availability varies by part number and supplier. BCP56,115 (50,200 pcs), BCP56-16 (214,411 pcs), and NSVBCP56-10T3G (49,200 pcs) maintain substantial stock levels. Selection should balance electrical requirements with supply chain availability.

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