BC817-40WT1G price and stock

BC817-40WT1G Details
Register or Sign In to sort your Preferred Distributors to the top of the list!

Authorized Distributors

  • Acme Chip Technology
  • Analog Devices Inc
  • Arrow
  • Avnet Americas
  • Bisco
  • Bürklin Elektronik
  • CDM Electronics
  • Chip 1 Exchange
  • Chip1Stop
  • CHIPMALL.COM LIMITED
  • Coilcraft
  • ComSIT USA
  • DB Roberts
  • DigiKey
  • Dynamic Solutions
  • ElectroCraft
  • Electroshield
  • element14
  • ES Components
  • Fairview Microwave
  • Farnell
  • FDH Electronics
  • Flip Electronics
  • Future Electronics
  • GLYN
  • Heilind Electronics
  • Interstate Connecting
  • Jameco
  • Karl Kruse
  • L-com US
  • Maritex
  • Master Electronics
  • Microchip Technology
  • Mouser
  • NAC
  • New Advantage
  • Newark
  • Onlinecomponents.com
  • Ozdisan Elektronik
  • Pasternack Enterprises
  • PEI Genesis
  • Perfect Parts
  • PolyPhaser
  • Powell Electronics
  • Power & Signal
  • PUI
  • Renesas Electronics America
  • Richardson RFPD
  • Rochester
  • RS
  • Rutronik
  • Sager
  • Samtec
  • SiTime Corporation
  • South Electronics
  • Standard Electric
  • STMicroelectronics
  • Symmetry
  • Techni-Tool
  • TestEquity
  • TME
  • Toby Electronics
  • TTI
  • Venkel Ltd.
  • Verical
  • Waytek, Inc.
  • Wuhan P&S

Independent Distributors

  • Ameya
  • Bristol
  • Chip Stock
  • Chip-Germany GmbH
  • Chip1Cloud
  • Chips Pulse
  • Component Electronics, Inc
  • CoreStaff
  • Direct Components
  • EnteerMall
  • Futuretech Components
  • GlobX GmbH
  • LCSC
  • MacroQuest
  • Neutron USA
  • NexGen Digital
  • Quest
  • SEMIX
  • Sense Electronic
  • Sensible Micro Corp
  • Shengyu Electronics
  • Velocity Electronics
  • VRG Components
  • Vyrian
  • Win Source Electronics
Show Filters
Select Manufacturer
Top of Page ↑

Newark Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # 50AC4848
onsemi Trans, Npn, 45V, 0.5A, 150Deg C, 0.46W, Transistor Polarity:Npn, Collector Emitter Voltage Max:45V, Continuous Collector Current:500Ma, Power Dissipation:460Mw, Transistor Mounting:Surface Mount, No. Of Pins:3Pins, Product Range:- Rohs Compliant: Yes |Onsemi BC817-40WT1G Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape BC817-40WT1G Part Details 1335
  • 1000 $0.0450
  • 500 $0.0630
  • 250 $0.0710
  • 100 $0.0790
  • 50 $0.1010
  • 25 $0.1230
  • 10 $0.1450
  • 1 $0.2010
$0.0450 / $0.2010 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 54AH9473
onsemi Trans, Npn, 45V, 0.5A, 150Deg C, 0.46W Rohs Compliant: Yes |Onsemi NSVBC817-40WT1G Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape NSVBC817-40WT1G Part Details 24154
  • 1000 $0.0870
  • 500 $0.0910
  • 250 $0.0970
  • 100 $0.1010
  • 50 $0.1340
  • 25 $0.1670
  • 10 $0.2010
  • 1 $0.3110
$0.0870 / $0.3110 Buy Now NSVBC817-40WT1G Part Details
BC817-40WT1G DISTI # 45Y0902
onsemi Ss Sc70 Gp Xstr Npn 45V/Reel Rohs Compliant: Yes |Onsemi BC817-40WT1G Min Qty: 3000 Package Multiple: 1 Date Code: 0 Container: Reel BC817-40WT1G Part Details 0
  • 30000 $0.0200
  • 18000 $0.0250
  • 6000 $0.0290
  • 3000 $0.0330
$0.0200 / $0.0330 Buy Now BC817-40WT1G Part Details
Top of Page ↑

DigiKey ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
NSVBC817-40WT1G DISTI # NSVBC817-40WT1GOSCT-ND
onsemi TRANS NPN 45V 0.5A SC70-3 Min Qty: 1 Lead time: 14 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) NSVBC817-40WT1G Part Details 32036
In Stock
  • 150000 $0.0460
  • 75000 $0.0467
  • 30000 $0.0565
  • 9000 $0.0575
  • 6000 $0.0665
  • 3000 $0.0696
  • 1000 $0.0827
  • 500 $0.1115
  • 100 $0.1366
  • 10 $0.2710
  • 1 $0.3900
$0.0460 / $0.3900 Buy Now NSVBC817-40WT1G Part Details
BC817-40WT1G DISTI # BC817-40WT1GOSCT-ND
onsemi TRANS NPN 45V 0.5A SC70-3 Min Qty: 1 Lead time: 11 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) BC817-40WT1G Part Details 23697
In Stock
  • 150000 $0.0177
  • 75000 $0.0213
  • 30000 $0.0247
  • 9000 $0.0267
  • 6000 $0.0313
  • 3000 $0.0331
  • 1000 $0.0400
  • 500 $0.0576
  • 100 $0.0733
  • 10 $0.1360
  • 1 $0.1900
$0.0177 / $0.1900 Buy Now BC817-40WT1G Part Details
Top of Page ↑

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R - Tape and Reel (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 39000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days Container: Reel BC817-40WT1G Part Details 0
  • 3900000 $0.0164
  • 1950000 $0.0169
  • 390000 $0.0174
  • 195000 $0.0180
  • 84000 $0.0185
  • 45000 $0.0190
  • 39000 $0.0195
$0.0164 / $0.0195 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # NSVBC817-40WT1G
onsemi Single Bipolar Transistor, NPN, 45 V, 500 mA, 460 mW, SC-70 (SOT-323), 3 Pins, Surface Mount - Tape and Reel (Alt: NSVBC817-40WT1G) RoHS: Compliant Min Qty: 30000 Package Multiple: 30000 Lead time: 14 Weeks, 0 Days Container: Reel NSVBC817-40WT1G Part Details 0
  • 3000000 $0.0441
  • 300000 $0.0456
  • 240000 $0.0470
  • 180000 $0.0484
  • 120000 $0.0498
  • 60000 $0.0513
  • 30000 $0.0527
$0.0441 / $0.0527 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # 863-BC817-40WT1G
onsemi Bipolar Transistors - BJT SS SC70 GP XSTR NPN RoHS: Compliant BC817-40WT1G Part Details 35397
  • 1 $0.1600
  • 10 $0.1040
  • 100 $0.0420
  • 1000 $0.0330
  • 3000 $0.0250
  • 9000 $0.0220
  • 24000 $0.0210
  • 45000 $0.0190
  • 99000 $0.0170
$0.0170 / $0.1600 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 863-NSVBC817-40WT1G
onsemi Digital Transistors SS SC70 GP XSTR NPN 45V RoHS: Compliant NSVBC817-40WT1G Part Details 23159
  • 1 $0.3800
  • 10 $0.2870
  • 100 $0.1620
  • 1000 $0.0820
  • 2500 $0.0710
  • 10000 $0.0570
  • 30000 $0.0530
  • 60000 $0.0510
$0.0510 / $0.3800 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Future Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
onsemi BC817 Series NPN 45 V 500 mA Surface Mount General Purpose Transistor - SC-70-3 RoHS: Compliant pbFree: Yes Min Qty: 3000 Package Multiple: 3000 Container: Reel BC817-40WT1G Part Details 30000
Reel
  • 120000 $0.0167
  • 60000 $0.0175
  • 30000 $0.0179
  • 9000 $0.0186
  • 3000 $0.0193
$0.0167 / $0.0193 Buy Now BC817-40WT1G Part Details
onsemi BC817 Series NPN 45 V 500 mA Surface Mount General Purpose Transistor - SC-70-3 RoHS: Compliant pbFree: Yes Min Qty: 39000 Package Multiple: 3000 Container: Reel BC817-40WT1G Part Details 0
Reel
  • 90000 $0.0167
  • 60000 $0.0172
  • 15000 $0.0181
  • 9000 $0.0184
  • 3000 $0.0191
$0.0167 / $0.0191 Buy Now BC817-40WT1G Part Details
Top of Page ↑

Rochester Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
onsemi Small Signal Bipolar Transistor, 0.5A, 45V, NPN RoHS: Compliant Status: Active Min Qty: 1 BC817-40WT1G Part Details 40000
  • 1000 $0.0224
  • 500 $0.0237
  • 100 $0.0247
  • 25 $0.0258
  • 1 $0.0263
$0.0224 / $0.0263 Buy Now BC817-40WT1G Part Details
Top of Page ↑

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R - Tape and Reel (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 39000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days Container: Reel BC817-40WT1G Part Details 0
  • 3900000 $0.0164
  • 1950000 $0.0169
  • 390000 $0.0174
  • 195000 $0.0180
  • 84000 $0.0185
  • 45000 $0.0190
  • 39000 $0.0195
$0.0164 / $0.0195 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # NSVBC817-40WT1G
onsemi Single Bipolar Transistor, NPN, 45 V, 500 mA, 460 mW, SC-70 (SOT-323), 3 Pins, Surface Mount - Tape and Reel (Alt: NSVBC817-40WT1G) RoHS: Compliant Min Qty: 30000 Package Multiple: 30000 Lead time: 14 Weeks, 0 Days Container: Reel NSVBC817-40WT1G Part Details 0
  • 3000000 $0.0441
  • 300000 $0.0456
  • 240000 $0.0470
  • 180000 $0.0484
  • 120000 $0.0498
  • 60000 $0.0513
  • 30000 $0.0527
$0.0441 / $0.0527 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

TME ECIA Member • Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Transistor: NPN, bipolar, 45V, 0.5A, 0.3W, SC70,SOT323 Min Qty: 20 BC817-40WT1G Part Details 3080
  • 12000 $0.0247
  • 3000 $0.0265
  • 500 $0.0295
  • 100 $0.0333
  • 20 $0.0411
$0.0247 / $0.0411 Buy Now BC817-40WT1G Part Details
Top of Page ↑

Avnet Americas Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R - Tape and Reel (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 39000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days Container: Reel BC817-40WT1G Part Details 0
  • 3900000 $0.0164
  • 1950000 $0.0169
  • 390000 $0.0174
  • 195000 $0.0180
  • 84000 $0.0185
  • 45000 $0.0190
  • 39000 $0.0195
$0.0164 / $0.0195 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # NSVBC817-40WT1G
onsemi Single Bipolar Transistor, NPN, 45 V, 500 mA, 460 mW, SC-70 (SOT-323), 3 Pins, Surface Mount - Tape and Reel (Alt: NSVBC817-40WT1G) RoHS: Compliant Min Qty: 30000 Package Multiple: 30000 Lead time: 14 Weeks, 0 Days Container: Reel NSVBC817-40WT1G Part Details 0
  • 3000000 $0.0441
  • 300000 $0.0456
  • 240000 $0.0470
  • 180000 $0.0484
  • 120000 $0.0498
  • 60000 $0.0513
  • 30000 $0.0527
$0.0441 / $0.0527 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Karl Kruse GmbH & Co KG  

Part # Manufacturer Description Stock Price Price Range Buy
LRC Leshan Radio Co Ltd   LBC817-40WT1G Part Details 10000   RFQ LBC817-40WT1G Part Details
Top of Page ↑

Chip 1 Exchange  

Part # Manufacturer Description Stock Price Price Range Buy
onsemi INSTOCK NSVBC817-40WT1G Part Details 66300   RFQ NSVBC817-40WT1G Part Details
Top of Page ↑

Avnet Silica Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 1 Weeks, 5 Days BC817-40WT1G Part Details Silica - 15000   Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # NSVBC817-40WT1G
onsemi Single Bipolar Transistor, NPN, 45 V, 500 mA, 460 mW, SC-70 (SOT-323), 3 Pins, Surface Mount (Alt: NSVBC817-40WT1G) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 2 Weeks, 1 Days NSVBC817-40WT1G Part Details Silica - 15000   Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

New Advantage Corporation Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
onsemi   RoHS: Compliant Min Qty: 1 Package Multiple: 3000 BC817-40WT1G Part Details 24000
  • 9000 $0.0223
  • 24000 $0.0208
$0.0208 / $0.0223 Buy Now BC817-40WT1G Part Details
onsemi SS SC70 GP XSTR NPN 45V RoHS: Compliant Min Qty: 1 Package Multiple: 3000 NSVBC817-40WT1G Part Details 12000
  • 3000 $0.0698
  • 12000 $0.0649
$0.0649 / $0.0698 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

CHIPMALL.COM LIMITED  

Part # Manufacturer Description Stock Price Price Range Buy
onsemi TRANS NPN 45V 0.5A SC70-3 NSVBC817-40WT1G Part Details 1205
  • 10 $0.1100
  • 100 $0.0907
  • 500 $0.0738
  • 3000 $0.0649
  • 6000 $0.0619
$0.0619 / $0.1100 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

LCSC  

Part # Manufacturer Description Stock Price Price Range Buy
onsemi 45V 460mW 250100mA1V 500mA NPN SC-70 Bipolar Transistors - BJT ROHS NSVBC817-40WT1G Part Details 1205
  • 6000 $0.0632
  • 3000 $0.0662
  • 500 $0.0753
  • 150 $0.0827
  • 50 $0.0926
  • 5 $0.1123
$0.0632 / $0.1123 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Chips Pulse Industry Limited  

Part # Manufacturer Description Stock Price Price Range Buy
onsemi Purchase Online, Ship Immediately NSVBC817-40WT1G Part Details 1194
  • 1 $0.0715
$0.0715 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

EBV Elektronik Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 1 Weeks, 6 Days BC817-40WT1G Part Details EBV - 0   Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # NSVBC817-40WT1G
onsemi Single Bipolar Transistor, NPN, 45 V, 500 mA, 460 mW, SC-70 (SOT-323), 3 Pins, Surface Mount (Alt: NSVBC817-40WT1G) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 2 Weeks, 2 Days NSVBC817-40WT1G Part Details EBV - 0   Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Wuhan P&S Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
onsemi 45V,0.5A,General Purpose NPN Transistor Min Qty: 1 NSVBC817-40WT1G Part Details 50900
  • 1 $0.1300
  • 100 $0.0800
  • 500 $0.0700
  • 1000 $0.0700
$0.0700 / $0.1300 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

element14 Asia-Pacific Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # 2845298
onsemi TRANSISTOR, AEC-Q101, NPN, 45V, SC-70 RoHS: Compliant Min Qty: 5 Container: Cut Tape BC817-40WT1G Part Details 1335
  • 500 S$0.0820
  • 100 S$0.0830
  • 10 S$0.1930
  • 5 S$0.2720
S$0.0820 / S$0.2720 Buy Now BC817-40WT1G Part Details
BC817-40WT1G DISTI # 2845298RL
onsemi TRANSISTOR, AEC-Q101, NPN, 45V, SC-70 RoHS: Compliant Min Qty: 500 Container: Reel BC817-40WT1G Part Details 1335
  • 500 S$0.0820
S$0.0820 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 3368652RL
onsemi TRANS, NPN, 45V, 0.5A, 150DEG C, 0.46W RoHS: Compliant Min Qty: 500 Container: Reel NSVBC817-40WT1G Part Details 24154
  • 450000 S$0.0680
  • 240000 S$0.0710
  • 90000 S$0.0730
  • 30000 S$0.0760
  • 500 S$0.0780
S$0.0680 / S$0.0780 Buy Now NSVBC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 3368652
onsemi TRANS, NPN, 45V, 0.5A, 150DEG C, 0.46W RoHS: Compliant Min Qty: 5 Container: Cut Tape NSVBC817-40WT1G Part Details 24154
  • 450000 S$0.0680
  • 240000 S$0.0710
  • 90000 S$0.0730
  • 30000 S$0.0760
  • 500 S$0.0780
  • 100 S$0.1470
  • 10 S$0.3230
  • 5 S$0.4960
S$0.0680 / S$0.4960 Buy Now NSVBC817-40WT1G Part Details
Top of Page ↑

Farnell Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # 4275426
onsemi BIPOLAR JUNCTION TRANSISTOR ARRAYS - BJT RoHS: Compliant Min Qty: 15000 Lead time: 3 Weeks, 1 Days Container: Each BC817-40WT1G Part Details 40000
  • 15000 £0.0190
£0.0190 Buy Now BC817-40WT1G Part Details
BC817-40WT1G DISTI # 2845298
onsemi TRANSISTOR, AEC-Q101, NPN, 45V, SC-70 RoHS: Compliant Min Qty: 5 Lead time: 14 Weeks, 1 Days Container: Cut Tape BC817-40WT1G Part Details 1335
  • 500 £0.0498
  • 100 £0.0508
  • 10 £0.1210
  • 5 £0.1740
£0.0498 / £0.1740 Buy Now BC817-40WT1G Part Details
BC817-40WT1G DISTI # 2845298RL
onsemi TRANSISTOR, AEC-Q101, NPN, 45V, SC-70 RoHS: Compliant Min Qty: 500 Lead time: 14 Weeks, 1 Days Container: Reel BC817-40WT1G Part Details 1335
  • 500 £0.0498
£0.0498 Buy Now BC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 3368652RL
onsemi TRANS, NPN, 45V, 0.5A, 150DEG C, 0.46W RoHS: Compliant Min Qty: 100 Lead time: 17 Weeks, 1 Days Container: Reel NSVBC817-40WT1G Part Details 24154
  • 100 £0.0610
£0.0610 Buy Now NSVBC817-40WT1G Part Details
NSVBC817-40WT1G DISTI # 3368652
onsemi TRANS, NPN, 45V, 0.5A, 150DEG C, 0.46W RoHS: Compliant Min Qty: 5 Lead time: 17 Weeks, 1 Days Container: Cut Tape NSVBC817-40WT1G Part Details 24154
  • 100 £0.0610
  • 10 £0.1340
  • 5 £0.2130
£0.0610 / £0.2130 Buy Now NSVBC817-40WT1G Part Details
BC817-40WT1G DISTI # 4319816
onsemi TRANSISTOR, NPN, 45V, 0.5A, SC-70 RoHS: Compliant Min Qty: 3000 Lead time: 14 Weeks, 1 Days Container: Reel BC817-40WT1G Part Details 0
  • 45000 £0.0160
  • 24000 £0.0165
  • 9000 £0.0170
  • 3000 £0.0230
£0.0160 / £0.0230 Buy Now BC817-40WT1G Part Details

View all 'BC817-40WT1G' results from Farnell

Top of Page ↑

Avnet Asia Authorized Distributor

Part # Manufacturer Description Stock Price Price Range Buy
BC817-40WT1G DISTI # BC817-40WT1G
onsemi Trans GP BJT NPN 45V 0.5A 3-Pin SC-70 T/R (Alt: BC817-40WT1G) RoHS: Compliant Min Qty: 39000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days BC817-40WT1G Part Details 0
  • 1950000 $0.0155
  • 975000 $0.0159
  • 390000 $0.0163
  • 195000 $0.0167
  • 117000 $0.0169
  • 78000 $0.0171
  • 39000 $0.0174
$0.0155 / $0.0174 Buy Now BC817-40WT1G Part Details
LBC817-40WT1G DISTI # LBC817-40WT1G
LRC Leshan Radio Co Ltd Transistor GP BJT NPN 45V 500mA 3-Pin SC-70 T/R (Alt: LBC817-40WT1G) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 12 Weeks, 0 Days LBC817-40WT1G Part Details 0   RFQ LBC817-40WT1G Part Details

Associated Part Details

Most Popular Small Signal Bipolar Transistors

Most Popular Part Numbers