BC817-16QCZ Equivalent & Substitute Parts

Part Overview

The BC817-16QCZ is an NPN small-signal bipolar junction transistor manufactured by Nexperia USA Inc. in a 3-XDFN Exposed Pad surface mount package with wettable flank. This device is rated for 45 V collector-emitter breakdown voltage, 500 mA maximum collector current, and 380 mW maximum power dissipation. The transistor operates at a transition frequency of 100 MHz and is suitable for general-purpose switching and amplification applications in consumer and industrial electronics.

The part is currently in Active product status with 5652 units in stock. Equivalent and substitute parts are identified to provide design flexibility, support supply chain continuity, and accommodate specific application requirements such as automotive qualification or enhanced moisture sensitivity performance.

Substiute Parts

BC817-16QCZ

Nexperia USA Inc.In Stock: 5666BC817-16QCZ Datasheet

Current PartRFQ

BC817-16QC-QZ

Nexperia USA Inc.In Stock: 4431BC817-16QC-QZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BC817-16QCZ is determined by electrical and mechanical parameter equivalence. The primary substitution criterion is functional compatibility across the following parameters:

• Transistor Type: NPN topology must be maintained
• Voltage Rating: Collector-emitter breakdown voltage of 45 V minimum
• Current Rating: Maximum collector current of 500 mA minimum
• Saturation Characteristics: Vce saturation of 700 mV @ 50 mA, 500 mA
• Gain Characteristics: DC current gain (hFE) minimum of 100 @ 100 mA, 1 V
• Power Dissipation: Maximum power rating of 380 mW minimum
• Frequency Response: Transition frequency of 100 MHz minimum
• Package Compatibility: 3-XDFN Exposed Pad surface mount with wettable flank
• Environmental Compliance: ROHS3 and REACH compliance

The BC817-16QC-QZ is identified as a manufacturer-recommended substitute. This part maintains identical electrical specifications and package configuration while offering enhanced moisture sensitivity performance (MSL 1 versus MSL 3) and automotive-grade qualification (AEC-Q101).

Parameter Comparison

Engineering Selection Recommendations

BC817-16QCZ is appropriate for applications where standard moisture sensitivity performance (MSL 3) is acceptable and automotive qualification is not required. This part is suitable for consumer electronics, industrial control circuits, and general-purpose switching applications. The part maintains Active product status with established supply availability.

BC817-16QC-QZ is the manufacturer-recommended substitute and is appropriate for applications requiring enhanced reliability in high-humidity storage environments due to its MSL 1 rating. This part is additionally qualified to AEC-Q101 automotive standards, making it suitable for automotive electronics, industrial applications with stringent reliability requirements, and environments where extended shelf life without baking is necessary. The substitute maintains identical electrical performance and package compatibility while providing superior moisture and temperature performance characteristics.

Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulatory requirements. Selection between these parts should be based on application environment, storage conditions, and automotive qualification requirements rather than electrical performance, as all specified electrical parameters are identical.

Frequently Asked Questions (FAQ)

Q: Are BC817-16QCZ and BC817-16QC-QZ electrically interchangeable?

A: Yes. Both parts are electrically identical across all specified parameters including voltage rating, current rating, saturation characteristics, gain, power dissipation, and frequency response. They are direct functional equivalents.

Q: What is the difference between MSL 3 and MSL 1 ratings?

A: MSL 3 (Moisture Sensitivity Level 3) allows 168 hours of storage at room temperature before requiring baking prior to reflow soldering. MSL 1 (Unlimited) requires no time-based storage restrictions and no baking requirement. MSL 1 provides superior performance in high-humidity environments and extended storage scenarios.

Q: Can I use BC817-16QC-QZ as a direct replacement for BC817-16QCZ in existing designs?

A: Yes. The BC817-16QC-QZ is a direct pin-for-pin and functionally equivalent replacement. No circuit modifications are required. The substitute part maintains identical package geometry, pinout, and electrical specifications.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is an automotive industry standard qualification for discrete semiconductors. It specifies reliability and performance requirements for automotive applications. Parts meeting this qualification have undergone additional testing for temperature cycling, thermal shock, and long-term reliability.

Q: Which part should I select for automotive applications?

A: BC817-16QC-QZ is qualified to AEC-Q101 and is the appropriate selection for automotive applications. The main part BC817-16QCZ does not carry automotive qualification.

Q: Are both parts available in the same packaging?

A: Yes. Both parts use identical 3-XDFN Exposed Pad surface mount packaging with wettable flank. PCB footprints and assembly processes are identical.

Q: Do both parts meet current environmental compliance standards?

A: Yes. Both BC817-16QCZ and BC817-16QC-QZ are ROHS3 compliant and REACH unaffected, meeting current environmental regulatory requirements for electronics manufacturing.