BC847AW Equivalent & Substitute Parts Reference

Part Overview

The BC847AW is an NPN bipolar junction transistor designed for small signal amplification and switching, featuring a SOT-323 surface-mount package. It is currently an active product in the Transistors, Bipolar (BJT) category and compliant with RoHS3 and REACH regulations. Alternate models may be necessary due to supply chain fluctuations, procurement requirements, or inventory limits, while maintaining identical electrical and mechanical characteristics.

Key Parameters

Parameter	Value
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	45 V
Current - Collector (Ic) (Max)	100 mA
Vce Saturation (Max) @ Ib, Ic	600mV @ 5mA, 100mA
Current - Collector Cutoff (Max)	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	110 @ 2mA, 5V
Power - Max	200 mW
Frequency - Transition	100MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	SC-70, SOT-323
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute selection for BC847AW is based strictly on matching the following key parameters: transistor type (NPN), collector-emitter breakdown voltage (45 V), maximum collector current (100 mA), package/case (SC-70, SOT-323), surface mount configuration, and compliance with RoHS3/REACH. Substitutes must meet or exceed specifications in Vce(sat) @ Ib, Ic, ICBO, hFE (Min), power dissipation, frequency transition, and operate within similar temperature ranges. Only parts explicitly listing equal values in these criteria are included.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Transistor Type	Vce Breakdown (Max)	Ic (Max)	Vce Saturation (Max) @ Ib, Ic	ICBO (Max)	hFE (Min) @ Ic, Vce	Power (Max)	Frequency - Transition	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status
BC847AW	Taiwan Semiconductor Corporation	NPN	45 V	100 mA	600mV @ 5mA, 100mA	15nA	110	200 mW	100MHz	-55°C ~ 150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC847AW,115	NXP Semiconductors	NPN	45 V	100 mA	400mV @ 5mA, 100mA	15nA	110	200 mW	100MHz	150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC847AW,135	Nexperia USA Inc.	NPN	45 V	100 mA	400mV @ 5mA, 100mA	15nA	110	200 mW	100MHz	150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC847W,115	Nexperia USA Inc.	NPN	45 V	100 mA	400mV @ 5mA, 100mA	15nA	110	200 mW	100MHz	150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC847W,135	NXP USA Inc.	NPN	45 V	100 mA	400mV @ 5mA, 100mA	15nA	110	200 mW	100MHz	150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC847BW-7-F	Diodes Incorporated	NPN	45 V	100 mA	600mV @ 5mA, 100mA	20nA	200	200 mW	300MHz	-65°C ~ 150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected
BC850BWH6327XTSA1	Infineon Technologies	NPN	45 V	100 mA	600mV @ 5mA, 100mA	15nA	200	250 mW	250MHz	150°C	Surface Mount	SC-70, SOT-323	ROHS3	Unaffected

Engineering Selection Recommendations

Select substitute parts for BC847AW only if the status is active or if an alternate is explicitly required for last-time buy scenarios. Consideration of RoHS3 compliance and REACH unaffected status is mandatory. Where equivalent electrical and mechanical specifications are confirmed in the provided parameters, each listed part meets strict substitution compatibility for this bipolar transistor category.

Frequently Asked Questions (FAQ)

Q: What parameters must match for a BC847AW substitute? A: Substitute transistors must match transistor type (NPN), voltage breakdown (45 V), maximum collector current (100 mA), Vce(sat), cutoff current, minimum DC current gain (hFE), maximum power, frequency transition, operating temperature, mounting type, and package/case.

Q: Are all listed substitutes RoHS3 compliant? A: Yes, all substitute part numbers listed are RoHS3 compliant according to provided input.

Q: Is package compatibility critical? A: Yes. Substitute transistors must have the same mounting type and package/case (SC-70, SOT-323) for mechanical and PCB compatibility.

Q: Are substitutes from different manufacturers acceptable? A: Yes, provided all key electrical, mechanical, and compliance parameters match the original BC847AW specifications. Manufacturers in the list include Taiwan Semiconductor Corporation, NXP Semiconductors, Nexperia USA Inc., Diodes Incorporated, and Infineon Technologies.

Q: What is the significance of "Part Status"? A: Only active parts or those noted for last-time buy are suitable for direct substitution, ensuring product continuity and compliance.

Q: Are automotive qualified equivalents available? A: BC847AW,115 and BC847W,135 are listed with automotive grade and AEC-Q101 qualification within the provided information.

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