BC817-16W-TP Equivalent & Substitute Parts

Part Overview

The BC817-16W-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for interface applications in surface mount configurations. This transistor operates at 45 V collector-emitter breakdown voltage with a maximum collector current of 500 mA and 200 mW power dissipation. The device is packaged in SOT-323 (SC-70) format and features a 100 MHz transition frequency, making it suitable for low-power switching and amplification circuits.

The BC817-16W-TP maintains Active product status. Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and packaging specifications that allow direct functional replacement in circuit applications.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	200	mW
Frequency - Transition	100	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 100mA, 1V	—
Vce Saturation (Max) @ Ib, Ic	700mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature Range	-55 to 150	°C
Package / Case	SC-70, SOT-323	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the BC817-16W-TP are classified based on electrical parameter compatibility and mechanical interchangeability. The primary substitution criteria are:

Critical Matching Parameters:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 45 V
Current - Collector (Ic) (Max): 500 mA
Frequency - Transition: 100 MHz
Vce Saturation (Max) @ Ib, Ic: 700mV @ 50mA, 500mA
Current - Collector Cutoff (Max): 100 nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 100mA, 1V
Package / Case: SC-70, SOT-323 (or compatible variants)
Mounting Type: Surface Mount

Secondary Considerations:

Power dissipation rating (200 mW minimum)
Operating temperature range (-55°C to 150°C minimum)
Product Status: Active

Parts are grouped as Upgrade, Similar, or Parametric Equivalent based on manufacturer, packaging format, and additional certifications (such as AEC-Q101 automotive qualification) while maintaining full electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce Breakdown (Max) V	Power (Max) mW	hFE (Min) @ 100mA, 1V	Frequency MHz	Package	Temp Range °C	AEC-Q101
BC817-16W-TP	Micro Commercial Co	500	45	200	100	100	SOT-323	-55 to 150	—
BC817W,115	Nexperia USA Inc.	500	45	200	100	100	SOT-323	-55 to 150	Yes
BC817W,135	Nexperia USA Inc.	500	45	200	100	100	SOT-323	-55 to 150	Yes
BC817-25W,115	Nexperia USA Inc.	500	45	200	160	100	SOT-323	-55 to 150	Yes
BC817-40-7-F	Diodes Incorporated	500	45	310	250	100	SOT-23-3	-65 to 150	Yes
BC817-40WT1G	onsemi	500	45	460	250	100	SOT-323	-55 to 150	—
BC817-16W,115	NXP USA Inc.	500	45	200	100	100	SOT-323	-55 to 150	Yes
BC817-16W,135	NXP USA Inc.	500	45	200	100	100	SOT-323	-55 to 150	Yes

Engineering Selection Recommendations

Direct Electrical Equivalents (Upgrade Options):

BC817W,115 and BC817W,135 (Nexperia USA Inc.) are direct electrical equivalents with identical electrical specifications to the BC817-16W-TP. Both parts carry AEC-Q101 automotive qualification and ROHS3 compliance. These parts are available in Cut Tape & Digi-Reel and Tape & Reel packaging formats respectively, offering improved supply chain availability compared to the original Bulk packaging.

BC817-16W,115 and BC817-16W,135 (NXP USA Inc.) are parametric equivalents manufactured by NXP USA Inc. with identical electrical characteristics and AEC-Q101 qualification. These parts are supplied in Bulk packaging and maintain full compatibility with the BC817-16W-TP.

Enhanced Performance Alternatives (Similar Parts):

BC817-25W,115 (Nexperia USA Inc.) provides identical electrical ratings with an elevated DC current gain (hFE) of 160 @ 100mA, 1V compared to the base specification of 100. This part is suitable for applications requiring higher current amplification while maintaining all other electrical parameters. AEC-Q101 qualified.

BC817-40-7-F (Diodes Incorporated) offers enhanced power dissipation capability (310 mW versus 200 mW) and higher DC current gain (250 @ 100mA, 1V). The package is SOT-23-3 (TO-236-3, SC-59), which is mechanically compatible with SOT-323 in most circuit layouts. Operating temperature range extends to -65°C. AEC-Q101 qualified.

BC817-40WT1G (onsemi) provides the highest power dissipation rating (460 mW) and elevated DC current gain (250 @ 100mA, 1V) in SC-70-3 (SOT323) packaging. This part is suitable for applications with higher power requirements while maintaining SOT-323 mechanical compatibility.

Selection Criteria:

For direct replacement without circuit modification, select BC817W,115, BC817W,135, BC817-16W,115, or BC817-16W,135. For applications requiring enhanced current gain or power handling, BC817-25W,115, BC817-40-7-F, or BC817-40WT1G are suitable alternatives. All recommended parts maintain Active product status and meet the electrical specifications of the BC817-16W-TP.

Frequently Asked Questions (FAQ)

Q: Can BC817W,115 directly replace BC817-16W-TP without circuit modification?

A: Yes. BC817W,115 is a direct electrical equivalent with identical collector current (500 mA), breakdown voltage (45 V), power rating (200 mW), transition frequency (100 MHz), and DC current gain (100 @ 100mA, 1V). Both use SOT-323 packaging. The primary difference is packaging format (Cut Tape & Digi-Reel versus Bulk) and manufacturer (Nexperia USA Inc. versus Micro Commercial Co).

Q: What is the difference between BC817-16W,115 and BC817-16W,135?

A: Both parts are manufactured by NXP USA Inc. and are parametric equivalents to BC817-16W-TP with identical electrical specifications. The suffix designation (,115 versus ,135) indicates different packaging or distribution formats. Both maintain SOT-323 packaging and full electrical compatibility.

Q: Can BC817-40-7-F be used as a substitute despite different packaging?

A: BC817-40-7-F uses SOT-23-3 (TO-236-3, SC-59) packaging instead of SOT-323. While the pin configurations differ, the electrical specifications are compatible. Circuit board layout modification is required for mechanical accommodation. This part offers higher power dissipation (310 mW) and current gain (250 @ 100mA, 1V).

Q: What advantage does BC817-40WT1G offer over BC817-16W-TP?

A: BC817-40WT1G (onsemi) maintains SOT-323 packaging compatibility while providing enhanced power dissipation (460 mW versus 200 mW) and higher DC current gain (250 @ 100mA, 1V versus 100). This part is suitable for applications requiring higher power handling without package change.

Q: Are all substitute parts AEC-Q101 qualified?

A: BC817W,115, BC817W,135, BC817-25W,115, BC817-40-7-F, BC817-16W,115, and BC817-16W,135 carry AEC-Q101 automotive qualification. BC817-40WT1G does not list AEC-Q101 qualification in the provided specifications.

Q: What is the operating temperature range for substitute parts?

A: BC817-16W-TP operates from -55°C to 150°C. Most substitute parts (BC817W,115, BC817W,135, BC817-25W,115, BC817-40WT1G, BC817-16W,115, BC817-16W,135) maintain this range. BC817-40-7-F extends the lower limit to -65°C.

Q: Can BC817-25W,115 be used in place of BC817-16W-TP?

A: Yes. BC817-25W,115 is electrically compatible with identical voltage, current, and frequency specifications. The higher DC current gain (160 versus 100) makes it suitable for applications where increased amplification is beneficial or acceptable. No circuit modification is required.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in multiple packaging formats: Cut Tape & Digi-Reel (BC817W,115, BC817-40-7-F, BC817-40WT1G), Tape & Reel (BC817W,135, BC817-25W,115), and Bulk (BC817-16W,115, BC817-16W,135). Selection depends on procurement volume and supply chain requirements.

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