BC857W Search Results

BC857W Price and Stock

Filter by Manufacturer


Nexperia BC857W,135 TRANS PNP 45V 0.1A SOT323
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BC857W,135	Digi-Reel	9,995		1	1 $0.15 10 $0.092 100 $0.15 1000 $0.03603 10000 $0.02706	Buy Now
	BC857W,135	Cut Tape	9,995		1	1 $0.15 10 $0.092 100 $0.15 1000 $0.03603 10000 $0.02706	Buy Now
	BC857W,135	Reel			10,000	1 - 10 - 100 - 1000 - 10000 $0.01575	Buy Now
Mouser Electronics	BC857W,135		42,489			1 $0.12 10 $0.078 100 $0.035 1000 $0.027 10000 $0.021	Buy Now
Verical	BC857W,135		230,000		16,130	1 - 10 - 100 - 1000 - 10000 -	Buy Now
	BC857W,135		30,000		16,130	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Rochester Electronics	BC857W,135		260,000		1	1 $0.0219 10 $0.0219 100 $0.0206 1000 $0.0186 10000 $0.0186	Buy Now
TTI	BC857W,135	Reel			40,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now

Avnet Silica	BC857W,135			8 Weeks	10,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
EBV Elektronik	BC857W,135			8 Weeks	10,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Nexperia BC857W,115 TRANS PNP 45V 0.1A SOT323
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BC857W,115	Digi-Reel	8,818		1	1 $0.1 10 $0.06 100 $0.1 1000 $0.02729 10000 $0.02729	Buy Now
	BC857W,115	Cut Tape	8,818		1	1 $0.1 10 $0.06 100 $0.1 1000 $0.02729 10000 $0.02729	Buy Now
	BC857W,115	Reel	3,000		3,000	1 - 10 - 100 - 1000 - 10000 $0.02284	Buy Now
Mouser Electronics	BC857W,115		18,608			1 $0.1 10 $0.06 100 $0.03 1000 $0.027 10000 $0.019	Buy Now
Verical	BC857W,115		78,000		3,000	1 - 10 - 100 - 1000 - 10000 $0.0103	Buy Now
	BC857W,115		57,000		3,000	1 - 10 - 100 - 1000 - 10000 $0.0092	Buy Now
	BC857W,115		30,020		8,264	1 - 10 - 100 - 1000 - 10000 $0.0121	Buy Now
Arrow Electronics	BC857W,115		78,000	6 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 $0.0102	Buy Now
	BC857W,115		63,000	6 Weeks	63,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
	BC857W,115		57,000	6 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 $0.0092	Buy Now
	BC857W,115	Cut Strips	30,020	6 Weeks	8,264	1 - 10 - 100 - 1000 - 10000 $0.0121	Buy Now
Newark	BC857W,115	Cut Tape	1,340		1	1 $0.166 10 $0.098 100 $0.049 1000 $0.03 10000 $0.03	Buy Now
	BC857W,115	Reel			3,000	1 - 10 - 100 - 1000 - 10000 $0.026	Buy Now

Rochester Electronics	BC857W,115		24,390		1	1 $0.0219 10 $0.0219 100 $0.0206 1000 $0.0186 10000 $0.0186	Buy Now
TTI	BC857W,115	Reel			42,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
TME	BC857W,115		9,505		1	1 $0.1173 10 $0.0745 100 $0.0417 1000 $0.023 10000 $0.0151	Buy Now
Avnet Silica	BC857W,115		60,000	8 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
EBV Elektronik	BC857W,115		201,000	8 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
New Advantage Corporation	BC857W,115		204,000		1	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Nexperia BC857W-QX TRANS PNP 45V 0.1A SOT323
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BC857W-QX	Reel			3,000	1 - 10 - 100 - 1000 - 10000 $0.02308	Buy Now
Avnet Americas	BC857W-QX	Reel		6 Weeks	57,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Mouser Electronics	BC857W-QX					1 $0.13 10 $0.09 100 $0.057 1000 $0.026 10000 $0.017	Get Quote
Verical	BC857W-QX		60,000		60,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Arrow Electronics	BC857W-QX		60,000	6 Weeks	60,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now

TTI	BC857W-QX	Reel			39,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Avnet Silica	BC857W-QX			8 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
EBV Elektronik	BC857W-QX		60,000	8 Weeks	3,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Nexperia BC857W-QF TRANS PNP 45V 0.1A SOT323
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BC857W-QF	Reel			10,000	1 - 10 - 100 - 1000 - 10000 $0.01923	Buy Now
Avnet Americas	BC857W-QF	Reel		6 Weeks	60,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Mouser Electronics	BC857W-QF					1 $0.13 10 $0.09 100 $0.057 1000 $0.026 10000 $0.017	Get Quote
TTI	BC857W-QF	Reel			40,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Avnet Asia	BC857W-QF			6 Weeks	60,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now

EBV Elektronik	BC857W-QF			8 Weeks	10,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Rochester Electronics LLC BC857W,135 NOW NEXPERIA BC857W - SMALL SIGN
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	BC857W,135	Bulk			13,172	1 - 10 - 100 - 1000 - 10000 -	Buy Now

Find more BC857W price and stock on Findchips.com

BC857W Datasheets (22)

Part	Manufacturer	Description	Datasheet Type	PDF
BC857W	Diotec	Surface mount Si-Epitaxial PlanarTransistors	Original	PDF
BC857W	Galaxy Semi-Conductor Holdings	PNP Silicon Epitaxial Planar Transistor	Original	PDF
BC857W	Infineon Technologies	NPN Silicon AF Transistors	Original	PDF
BC857W	Infineon Technologies	PNP Silicon AF Transistors	Original	PDF
BC857W	Kexin	PNP General Purpose Transistor	Original	PDF
BC857W	Korea Electronics	General Purpose Transistor	Original	PDF
BC857W	NXP Semiconductors	BC857W - PNP general purpose transistors - Complement: BC847W ; fT min: 100 MHz; hFE max: 800 ; hFE min: 125 ; IC max: 100 mA; Polarity: PNP ; Ptot max: 200 mW; VCEO max: 45 V	Original	PDF
BC857W	Philips Semiconductors	PNP general purpose transistors	Original	PDF
BC857W	Philips Semiconductors	PNP General Purpose Transistor	Original	PDF
BC857W	Philips Semiconductors	PNP General Purpose Transistor	Original	PDF
BC857W	Siemens	Cross Reference Guide 1998	Original	PDF
BC857W	Siemens	RF-Transistors, MMICs, RF-Diodes, AF-Diodes, AF-Schottky Diodes and RF-Schottky Diodes Guide	Original	PDF
BC857W	TY Semiconductor	PNP General Purpose Transistor - SOT-323	Original	PDF
BC857W	Korea Electronics	EPITAXIAL PLANAR PNP TRANSISTOR	Scan	PDF

BC857W	Korea Electronics	General Purpose Transistor	Scan	PDF
BC857W	Philips Semiconductors	PNP General Purpose Transistors	Scan	PDF
BC857W,115	NXP Semiconductors	PNP general purpose transistors - Complement: BC847W ; fT min: 100 MHz; hFE max: 800 ; hFE min: 125 ; I_C max: 100 mA; Polarity: PNP ; Ptot max: 200 mW; VCEO max: 45 V; Package: SOT323 (SC-70); Container: Tape reel smd	Original	PDF
BC857W,135	NXP Semiconductors	PNP general purpose transistors - Complement: BC847W ; fT min: 100 MHz; hFE max: 800 ; hFE min: 125 ; I_C max: 100 mA; Polarity: PNP ; Ptot max: 200 mW; VCEO max: 45 V; Package: SOT323 (SC-70); Container: Tape reel smd	Original	PDF
BC857W/DG,115	NXP Semiconductors	BC857W/DG - PNP general purpose transistors, SOT323 Package, Standard Marking, Reel Pack, SMD, 7"	Original	PDF
BC857WT/R	NXP Semiconductors	PNP general purpose transistors - Complement: BC847W ; fT min: 100 MHz; hFE max: 800 ; hFE min: 125 ; I_C max: 100 mA; Polarity: PNP ; Ptot max: 200 mW; VCEO max: 45 V	Original	PDF

BC857W Datasheets Context Search

Catalog Datasheet	MFG & Type	PDF	Document Tags
BC856BW Abstract: BC857CW BC857W BC846W BC847W BC856AW BC856W BC857AW BC857BW 301 marking code PNP transistor Text: DISCRETE SEMICONDUCTORS DATA SHEET handbook, halfpage M3D187 BC856W; BC857W PNP general purpose transistors Product specification Supersedes data of 1997 Apr 07 1999 Apr 12 Philips Semiconductors Product specification PNP general purpose transistors BC856W; BC857W	Original	PDF	M3D187 BC856W; BC857W OT323 BC846W BC847W. BC856 SCA63 BC856BW BC857CW BC857W BC847W BC856AW BC856W BC857AW BC857BW 301 marking code PNP transistor
Untitled Abstract: No abstract text available Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-363 Plastic-Encapsulate Transistors BC847PN SOT-363 COMPLEMENTARY TRANSISTOR NPN and PNP FEATURES z Epitaxial Die Construction z Two isolated NPN/PNP(BC847W+BC857W) Transistors in one package MAKING: 7P	Original	PDF	OT-363 BC847PN OT-363 BC847W BC857W)
1bs sot323 Abstract: BC8488 BC857W BC849CW BC858W BC859W BC860W VSO05561 BC846AW BC846BW Text: BC846W.BC850W NPN Silicon AF Transistors For AF input stages and driver applications 3 High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846AW OT323 1bs sot323 BC8488 BC857W BC849CW BC858W BC859W BC860W VSO05561 BC846AW BC846BW
MARKING CODE 21E SOT323 Abstract: sot323 marking code A.C marking 1Bs h11e BC8488 BC846 Infineon bc846bw Text: BC846W.BC850W NPN Silicon AF Transistors • For AF input stages and driver applications 3 • High current gain • Low collector-emitter saturation voltage • Low noise between 30 Hz and 15 kHz • Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846BW BC847BW MARKING CODE 21E SOT323 sot323 marking code A.C marking 1Bs h11e BC8488 BC846 Infineon
BC8488 Abstract: H12E BC848 equivalent 1bs sot323 Text: BC846W.BC850W NPN Silicon AF Transistors For AF input stages and driver applications 3 High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846AW BC846BW BC8488 H12E BC848 equivalent 1bs sot323
Untitled Abstract: No abstract text available Text: BC857W PNP General Purpose Transistor FEATURES • Ideally suited for automatic insertion • For Switching and AF Amplifier Applications MECHANICAL DATA • Case: SOT-323 Plastic • Case material: “Green” molding compound, UL flammability classification 94V-0, No Br. Sb. CI	Original	PDF	BC857W OT-323 2002/95/EC
BC857W-B Abstract: BC856W BC856W-A BC856W-B BC857W BC857W-A BC857W-C BC858W BC858W-A Text: SEMICONDUCTOR BC856W/7W/8W TECHNICAL DATA EPITAXIAL PLANAR PNP TRANSISTOR GENERAL PURPOSE APPLICATION. SWITCHING APPLICATION . E B M M FEATURES ・For Complementary With NPN Type BC846W/847W/848W. D J 3 1 G A 2 BC857W UNIT -80 VCBO N -50 BC858W -30 BC856W	Original	PDF	BC856W/7W/8W BC857W BC858W BC856W BC846W/847W/848W. VC-10 BC857W-B BC856W BC856W-A BC856W-B BC857W BC857W-A BC857W-C BC858W BC858W-A
BC856BW Abstract: BC856AW BC856W BC857W BC858W BC859W BC860AW BC860BW BC860W Text: BC856W~860W PNP Silicon Epitaxial Planar Transistor for general purpose and switching applications SOT-323 Plastic Package Absolute Maximum Ratings Ta = 25 OC Parameter Symbol Value Unit Collector Base Voltage BC856W BC857W BC858W BC859W BC860W -VCBO 80	Original	PDF	BC856W OT-323 BC856W BC857W BC858W BC859W BC860W BC856BW BC856AW BC857W BC858W BC859W BC860AW BC860BW BC860W
3BS transistor Abstract: marking 3bs transistor 3bs 3bs marking code 3BS MARKING sot323 transistor marking BL SOT323 BC856W BC857W BC858W Text: BL Galaxy Electrical Production specification PNP Silicon Epitaxial Planar Transistor BC856W/BC857W/BC858W FEATURES z Ideally suited for automatic insertion. z Power dissipation. PC=200mW Pb Lead-free APPLICATIONS z General purpose switching and amplification application.	Original	PDF	BC856W/BC857W/BC858W 200mW) OT-323 BC856W BC857W BC858W 3BS transistor marking 3bs transistor 3bs 3bs marking code 3BS MARKING sot323 transistor marking BL SOT323 BC856W BC857W BC858W
BC846W Abstract: BC847W BC848W BC856AW BC856BW BC856W BC857AW BC857BW BC857W BC858W Text: DISCRETE SEMICONDUCTORS DATA SHEET dbook, halfpage M3D102 BC856W; BC857W; BC858W PNP general purpose transistors Product data sheet Supersedes data of 1999 Apr 12 2002 Feb 04 NXP Semiconductors Product data sheet BC856W; BC857W; BC858W PNP general purpose transistors	Original	PDF	M3D102 BC856W; BC857W; BC858W OT323 BC846W, BC847W BC846W BC848W BC856AW BC856BW BC856W BC857AW BC857BW BC857W BC858W
BC857AW Abstract: BC857BW BC857CW BC857W Text: BC857W PNP General Purpose Transistor FEATURES • Ideally suited for automatic insertion • For Switching and AF Amplifier Applications MECHANICAL DATA • Case: SOT-323 Plastic • Case material: “Green” molding compound, UL flammability classification 94V-0, No Br. Sb. CI	Original	PDF	BC857W OT-323 2002/95/EC BC857AW BC857BW BC857CW BC857W
Untitled Abstract: No abstract text available Text: BC846W.BC850W NPN Silicon AF Transistors • For AF input stages and driver applications 3 • High current gain • Low collector-emitter saturation voltage • Low noise between 30 Hz and 15 kHz • Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846BW BC847BW
BC846W Abstract: BC847W BC848W BC856AW BC856BW BC856W BC857AW BC857BW BC857W BC858W Text: DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D102 BC856W; BC857W; BC858W PNP general purpose transistors Product specification Supersedes data of 1999 Apr 12 2002 Feb 04 Philips Semiconductors Product specification PNP general purpose transistors BC856W; BC857W; BC858W	Original	PDF	M3D102 BC856W; BC857W; BC858W OT323 BC846W, BC847W BC846W BC848W BC856AW BC856BW BC856W BC857AW BC857BW BC857W BC858W
1bs sot323 Abstract: BC846AW BC846BW BC846W BC847AW BC850W BC856W BC857W BC858W BC859W Text: BC846W.BC850W NPN Silicon AF Transistors For AF input stages and driver applications 3 High current gain Low collector-emitter saturation voltage Low noise between 30 Hz and 15 kHz Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846AW OT323 1bs sot323 BC846AW BC846BW BC846W BC847AW BC850W BC856W BC857W BC858W BC859W

BC856CW Abstract: BC856BW BC856AW BC856W BC857W BC858W BC859W BC860AW BC860BW BC860W Text: BC856W…BC860W PNP Silicon Epitaxial Planar Transistor for general purpose and switching applications Absolute Maximum Ratings Ta = 25 OC Parameter Symbol Value Unit Collector Base Voltage BC856W BC857W BC858W BC859W BC860W -VCBO 80 50 30 30 50 V Collector Emitter Voltage	Original	PDF	BC856W. BC860W BC856W BC857W BC858W BC859W BC856CW BC856BW BC856AW BC856W BC857W BC858W BC859W BC860AW BC860BW BC860W
BC transistor series Abstract: BC849W BC856W BC857W BC858W BC859W transistor BC SERIES Text: BC856W,BC857W,BC858W,BC859W SERIES PNP GENERAL PURPOSE TRANSISTORS VOLTAGE 200 mWatts CURRENT 30/45/65 Volts SOT-323 Unit: inch mm FEATURES .087(2.2) .070(1.8) • Collector current IC = 100mA • Complimentary (NPN) Devices:BC846W/BC847W/BC848W/ BC849W Series	Original	PDF	BC856W BC857W BC858W BC859W OT-323 100mA BC846W/BC847W/BC848W/ BC849W 2002/95/EC OT-323, BC transistor series transistor BC SERIES
MARKING CODE 21E SOT323 Abstract: sot323 marking code A.C BC8488 Text: BC846W.BC850W NPN Silicon AF Transistors • For AF input stages and driver applications 3 • High current gain • Low collector-emitter saturation voltage • Low noise between 30 Hz and 15 kHz • Complementary types: 2 BC856W, BC857W, BC858W 1 BC859W, BC860W PNP	Original	PDF	BC846W. BC850W BC856W, BC857W, BC858W BC859W, BC860W VSO05561 BC846BW BC847BW MARKING CODE 21E SOT323 sot323 marking code A.C BC8488
Untitled Abstract: No abstract text available Text: DISCRETE SEMICONDUCTORS DAT dbook, halfpage M3D102 BC856W; BC857W; BC858W PNP general purpose transistors Product data sheet Supersedes data of 1999 Apr 12 2002 Feb 04 NXP Semiconductors Product data sheet BC856W; BC857W; BC858W PNP general purpose transistors	Original	PDF	M3D102 BC856W; BC857W; BC858W OT323 BC846W, BC847W
transistor 3bt Abstract: marking 3ft sot323 transistor 3et transistor 3Ft 3Ft sot marking code 200a 3Ft transistor BC857BW BC856BW Text: BC856W SERIES BC857W SERIES SURFACE MOUNT PNP SILICON TRANSISTOR w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR BC856W and BC857W Series types are PNP Silicon Transistors manufactured by the epitaxial planar process, epoxy molded in a SUPERminiTM surface mount package,	Original	PDF	BC856W BC857W OT-323 100MHz 200Hz BC856BW BC857BW BC856AW transistor 3bt marking 3ft sot323 transistor 3et transistor 3Ft 3Ft sot marking code 200a 3Ft transistor
BC856BW Abstract: General Purpose Transistors BC846W BC847W BC856AW BC856W BC857AW BC857BW BC857CW BC857W Text: P hilips S em ico n d uctors Product sp ecification BC856W; BC857W PNP general purpose transistors FEA TUR ES P IN NING • Low cu rrent m ax. 100 mA PIN D ES C R IPTIO N • Low voltage (max. 80) 1 base • S -m ini package. 2 em itter 3 collector A P P LIC A TIO N S	OCR Scan	PDF	BC856W; BC857W OT323 BC846W BC847W. BC856W BC857AW BC856AW BC857BW BC856BW General Purpose Transistors BC847W BC857CW BC857W
BC856CW Abstract: BC856BW Text: Product specification Philips Semiconductors BC856W; BC857W; BC858W PNP general purpose transistor PIN CONFIGURATION FEATURES • S- mini package. DESCRIPTION NPN transistor in a plastic SOT323 package. PINNING - SOT323 PIN DESCRIPTION 1 base 2 emitter 3 collector	OCR Scan	PDF	BC856W; BC857W; BC858W OT323 BC856W: BC856AW BC856BW BC857W: BC857AW BC856CW
BC856BW Abstract: No abstract text available Text: ^ 5 3 ^ 3 1 002447b T4b « A P X Philips Semiconductors PNP general purpose transistor BC856W; BC857W; BC858W N AMER PHILIPS/DISCRETE FEATURES Product specification b?E T> PIN CONFIGURATION • S- mini package. DESCRIPTION E l EL - 1 c P N P transistor in a plastic SOT323	OCR Scan	PDF	002447b BC856W; BC857W; BC858W OT323 BB018 BC856BW: BC857W: BC856W BC856BW
MARKING 3F TRANSISTOR Abstract: No abstract text available Text: DISCRETE SEMICONDUCTORS Product specification Supersedes data of 1997 Apr 07 Philips Sem iconductors 1999 Apr 12 PHILIPS Philips Semiconductors Product specification BC856W; BC857W PNP general purpose transistors FEATURES PINNING • Low current max. 100 mA	OCR Scan	PDF	BC856W; BC857W OT323 BC846W BC847W. BC856W BC856AW BC856BW BC857W OT323) MARKING 3F TRANSISTOR
BC856BW Abstract: No abstract text available Text: Philips Semiconductors Product specification PNP general purpose transistors BC856W; BC857W FEATURES PINNING • Low current max. 100 mA PIN DESCRIPTION • Low voltage (max. 80) 1 base • S-mini package. 2 emitter 3 collector APPLICATIONS • General purpose switching and amplification.	OCR Scan	PDF	BC856W; BC857W OT323 BC846W BC847W. BC856W BC857AW BC856AW BC857BW BC856BW BC856BW

Privacy Settings

BC857W Search Results

BC857W Price and Stock

Nexperia BC857W,135

Nexperia BC857W,115

Nexperia BC857W-QX

Nexperia BC857W-QF

Rochester Electronics LLC BC857W,135

BC857W Datasheets (22)

BC857W Datasheets Context Search

BC856BW

Untitled

1bs sot323

MARKING CODE 21E SOT323

BC8488

Untitled

BC857W-B

BC856BW

3BS transistor

BC846W

BC857AW

Untitled

BC846W

1bs sot323

BC856CW

BC transistor series

MARKING CODE 21E SOT323

Untitled

transistor 3bt

BC856BW

BC856CW

BC856BW

MARKING 3F TRANSISTOR

BC856BW