BC56-16PASX Equivalent & Substitute Parts

Part Overview

The BC56-16PASX is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for surface mount applications in automotive-grade circuits. This device operates at maximum collector current of 1 A with a collector-emitter breakdown voltage of 80 V, making it suitable for general-purpose switching and amplification in automotive electronics. The part is actively produced and maintains full AEC-Q100 automotive qualification. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific performance requirements where parametric compatibility is maintained.

Substiute Parts

BC56-16PASX

Nexperia USA Inc.In Stock: 3045BC56-16PASX Datasheet

Current PartRFQ

BC56PASX

Nexperia USA Inc.In Stock: 7020BC56PASX Datasheet

Parametric EquivalentRFQ

BC56-16PA-7

Diodes IncorporatedIn Stock: 4153BC56-16PA-7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BC56-16PASX is determined by strict parametric equivalence across the following critical specifications:

Mandatory Matching Parameters:

• Transistor Type: NPN
• Current - Collector (Ic) Max: 1 A
• Voltage - Collector Emitter Breakdown (Max): 80 V
• Vce Saturation (Max): 500 mV @ 50mA, 500mA
• Current - Collector Cutoff (Max): 100 nA
• Package / Case: 3-UDFN Exposed Pad
• Mounting Type: Surface Mount
• Grade: Automotive
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Allowable Variation Parameters:

• DC Current Gain (hFE) Min: Equal or greater than 63
• Power - Max: Equal or greater than 420 mW
• Frequency - Transition: Equal or greater than 180 MHz
• Operating Temperature (TJ): Equal or greater than 150°C
• Qualification: AEC-Q100 or equivalent automotive standard

Substitute parts identified below meet all mandatory matching parameters and maintain or exceed allowable variation thresholds.

Parameter Comparison

Engineering Selection Recommendations

BC56PASX (Parametric Equivalent): This part is a direct parametric equivalent to the BC56-16PASX. Both devices are manufactured by Nexperia USA Inc., share identical electrical specifications, and carry the same AEC-Q100 automotive qualification. The BC56PASX maintains all critical parameters including collector current, breakdown voltage, saturation voltage, current gain, power dissipation, and transition frequency. Both parts are ROHS3 compliant with MSL 1 rating. Selection between these two parts is determined by packaging format preference (both supplied in Tape & Reel) and inventory availability. The BC56PASX currently maintains higher inventory levels (6918 units versus 2967 units).

BC56-16PA-7 (Similar Alternative): The BC56-16PA-7, manufactured by Diodes Incorporated, meets all mandatory parametric matching requirements for collector current, breakdown voltage, saturation voltage, and cutoff current. This part carries AEC-Q101 automotive qualification, which exceeds the AEC-Q100 requirement of the main part. The BC56-16PA-7 provides enhanced performance characteristics: DC current gain of 100 (versus 63 minimum), maximum power dissipation of 520 mW (versus 420 mW), and extended operating temperature range of -65°C to 150°C (versus 150°C maximum). However, the transition frequency is 125 MHz, which is lower than the 180 MHz specification of the main part. This part is supplied in Cut Tape and Digi-Reel® packaging format. Selection of this alternative is appropriate where higher current gain, increased power handling, or extended temperature range provides design margin, and where the lower transition frequency does not constrain circuit performance.

Frequently Asked Questions (FAQ)

Q: Can BC56PASX be used as a direct replacement for BC56-16PASX?

A: Yes. The BC56PASX is a parametric equivalent with identical electrical specifications, automotive qualification, and package configuration. Both parts are manufactured by Nexperia USA Inc. and meet all mandatory matching parameters.

Q: What are the key differences between BC56-16PASX and BC56-16PA-7?

A: Both parts share identical collector current (1 A), breakdown voltage (80 V), saturation voltage (500 mV), and cutoff current (100 nA) specifications. The BC56-16PA-7 provides higher DC current gain (100 versus 63), greater power dissipation capability (520 mW versus 420 mW), extended operating temperature range (-65°C to 150°C versus 150°C maximum), and AEC-Q101 qualification. The BC56-16PA-7 has a lower transition frequency (125 MHz versus 180 MHz). The BC56-16PA-7 is supplied by Diodes Incorporated in Cut Tape and Digi-Reel® format, while the main part is supplied by Nexperia in Tape & Reel format.

Q: Is the BC56-16PA-7 suitable for high-frequency applications?

A: The BC56-16PA-7 operates at a transition frequency of 125 MHz. Applications requiring transition frequencies at or above 180 MHz should use the BC56-16PASX or BC56PASX. Applications operating below 125 MHz are compatible with the BC56-16PA-7.

Q: Are all three parts automotive-grade?

A: Yes. All three parts carry automotive-grade classification. BC56-16PASX and BC56PASX hold AEC-Q100 qualification. BC56-16PA-7 holds AEC-Q101 qualification, which represents an enhanced automotive standard.

Q: What is the difference between DFN2020D-3 and U-DFN2020-3 packages?

A: Both are 3-UDFN Exposed Pad surface mount packages with identical mechanical and electrical footprints. DFN2020D-3 is the Nexperia supplier device package designation. U-DFN2020-3 is the Diodes Incorporated supplier device package designation. These packages are mechanically and electrically compatible for PCB layout and assembly purposes.

Q: Can I substitute BC56-16PA-7 in an application designed for BC56-16PASX?

A: Substitution is permissible where the application does not require transition frequency above 125 MHz. The BC56-16PA-7 meets all mandatory electrical parameters and provides enhanced performance in current gain, power dissipation, and temperature range. Verify that the lower transition frequency does not constrain circuit performance before implementation.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or reflow processing.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected.