BCX56-16 Equivalent & Substitute Parts

Part Overview

The BCX56-16 is an NPN bipolar junction transistor (BJT) manufactured by Diotec Semiconductor in the SOT-89 surface mount package. This component is rated for 80 V collector-emitter breakdown voltage, 1 A maximum collector current, and 500 mW power dissipation across an operating temperature range of -55°C to 150°C. The BCX56-16 is classified as an active product and is RoHS3 compliant.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the specifications of the original component. Substitution becomes necessary due to inventory availability, supply chain considerations, or packaging format requirements while maintaining functional compatibility in the target application.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	1	A
Power - Max	500	mW
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 150mA, 2V	—
Current - Collector Cutoff (Max)	100	nA
Frequency - Transition	130	MHz
Operating Temperature Range	-55 to 150	°C
Package / Case	TO-243AA (SOT-89)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the BCX56-16 are qualified based on the following critical parameters that determine functional equivalence:

Electrical Parameters (Must Match):

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 80 V
Current - Collector (Ic) (Max): 1 A
Power - Max: 500 mW
Vce Saturation (Max) @ Ib, Ic: 500mV @ 50mA, 500mA
DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 150mA, 2V
Current - Collector Cutoff (Max): 100 nA

Mechanical Parameters (Must Match):

Package / Case: TO-243AA (SOT-89)
Mounting Type: Surface Mount

Allowable Variations:

Frequency - Transition: Equal to or greater than 130 MHz
Operating Temperature Range: Equal to or greater than -55°C to 150°C
Manufacturer: Different manufacturers permitted
Packaging Format: Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) formats both acceptable
Compliance Certifications: RoHS3 compliance required; additional certifications (AEC-Q101) permitted

All substitute parts listed maintain identical electrical performance and mechanical compatibility with the BCX56-16.

Parameter Comparison

Parameter	BCX56-16 (Diotec)	BCX56-16HE3-TP (Micro Commercial Co)	BCX56-16TF (Nexperia)	BCX56-16TX (Nexperia)
Transistor Type	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	80 V	80 V
Current - Collector (Ic) (Max)	1 A	1 A	1 A	1 A
Power - Max	500 mW	500 mW	500 mW	500 mW
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 150mA, 2V	100 @ 150mA, 2V	100 @ 150mA, 2V	100 @ 150mA, 2V
Current - Collector Cutoff (Max)	100 nA	100 nA	100 nA	100 nA
Frequency - Transition	130 MHz	130 MHz	155 MHz	155 MHz
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	150°C (TJ)	150°C (TJ)
Package / Case	TO-243AA (SOT-89)	TO-243AA (SOT-89)	TO-243AA (SOT-89)	TO-243AA (SOT-89)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Packaging Format	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	—	—	Yes (AEC-Q101)	Yes (AEC-Q101)

Engineering Selection Recommendations

BCX56-16HE3-TP (Micro Commercial Co)

This substitute maintains all electrical parameters identical to the BCX56-16. The transition frequency remains at 130 MHz, matching the original specification. The operating temperature range extends to -55°C to 150°C. This part is supplied in Tape & Reel (TR) format, which differs from the original Cut Tape packaging. Selection of this part is appropriate when Tape & Reel packaging is compatible with assembly processes and when inventory availability of the original Diotec part is constrained.

BCX56-16TF (Nexperia USA Inc.)

This substitute provides enhanced electrical performance with a transition frequency of 155 MHz, exceeding the original 130 MHz specification. The part is qualified to AEC-Q101 automotive standards and is supplied in Cut Tape (CT) & Digi-Reel® format, matching the original packaging. The operating temperature specification is rated to 150°C (TJ). Selection of this part is appropriate for applications requiring automotive-grade qualification or when higher frequency performance is beneficial.

BCX56-16TX (Nexperia USA Inc.)

This substitute is functionally equivalent to BCX56-16TF, with identical electrical specifications including 155 MHz transition frequency and AEC-Q101 automotive qualification. The part is supplied in Cut Tape (CT) & Digi-Reel® format. Selection of this part follows the same criteria as BCX56-16TF, with the distinction being packaging reel configuration or inventory availability.

All substitute parts are active products with RoHS3 compliance and REACH unaffected status, maintaining regulatory compliance with the original BCX56-16.

Frequently Asked Questions (FAQ)

Q: Can BCX56-16HE3-TP be used as a direct replacement for BCX56-16?

A: Yes. The BCX56-16HE3-TP maintains all critical electrical parameters: 80 V breakdown voltage, 1 A maximum collector current, 500 mW power rating, and identical saturation voltage and current gain specifications. The primary difference is the packaging format (Tape & Reel versus Cut Tape & Digi-Reel). Both formats are surface mount SOT-89 packages with identical pinout and mechanical dimensions.

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

A: Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications. The BCX56-16TF and BCX56-16TX differ in packaging reel configuration or supplier designation. Both are supplied in Cut Tape (CT) & Digi-Reel® format and both carry AEC-Q101 automotive qualification.

Q: Why do BCX56-16TF and BCX56-16TX have higher transition frequency (155 MHz) than the original BCX56-16 (130 MHz)?

A: The higher transition frequency is a characteristic of the Nexperia manufacturing process for this device family. This represents enhanced performance and does not create incompatibility. Applications designed for 130 MHz operation function correctly with components rated for 155 MHz.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (BCX56-16HE3-TP, BCX56-16TF, and BCX56-16TX) are RoHS3 compliant, maintaining regulatory equivalence with the original BCX56-16.

Q: Can I use BCX56-16TF or BCX56-16TX in non-automotive applications?

A: Yes. AEC-Q101 automotive qualification is a superset of standard commercial specifications. Parts qualified to AEC-Q101 meet or exceed commercial-grade requirements and are suitable for all applications where the original BCX56-16 is specified.

Q: What is the significance of the operating temperature specification difference between BCX56-16 (-55°C to 150°C) and BCX56-16TF/BCX56-16TX (150°C TJ)?

A: The BCX56-16 specifies a temperature range of -55°C to 150°C. The BCX56-16TF and BCX56-16TX specify 150°C as the maximum junction temperature (TJ). Both specifications define the same upper temperature limit. The BCX56-16TF and BCX56-16TX are suitable for applications requiring the full -55°C to 150°C operating range.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) affects only the physical delivery and handling method. The electrical performance and mechanical package dimensions (TO-243AA SOT-89) are identical across all substitute parts.

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