LP339N Price & Stock
- 3 Man
- 4 Star
- AAAChips
- ACDS
- AllChip Elec
- Allchips
- Allelco
- AmpleChip
- AnLin
- Anterwell
- Anywayele
- APS
- Ariat
- Asen Elec
- Atosn
- ATP
- Augswan
- Au Ling
- BARUM
- Besen Tech
- Best Comp
- Best-Tech
- Bettlink
- Bison
- Blue Peninsula
- Bomov
- Brilltron
- Briocean
- CGOC
- Chipdigger
- Chipinventory
- ChipOne
- Chipsfind
- Chips Pulse
- Chuangxinda
- Classic
- Comp Enter
- CompExpert
- Comp Sense
- ComS.I.T.
- Conevo
- Conrad
- CosmosComp
- C Plus
- Cytech
- Dasenic
- Depu
- DGT Tech
- Dicchip
- Direct Components
- Drex Elec
- Dxway
- Dynamic-sl
- EASEV
- EBest
- Element14apac
- Errebi
- Ersa
- Esino
- ESource
- Fanco
- Farnell
- FirstChoice
- Flip
- FlyWing
- FPGAMALL
- Freelance
- Gang Bo
- GDIC
- Geefook
- GlobalTek
- Grand power
- GreenChips
- Green Light
- Greentree
- Handtmann
- Hansinfo
- HaoDe
- Heisener
- HeQing
- HK YSY
- Hongte
- HonourChip
- Hotenda
- HS IC
- HskElec
- HuaQiu Elec
- IC Components
- IC Online
- ICsole
- ICSOSO
- In Clear
- ITD-IC
- J2sourcing
- Jak
- Jameco
- JiaLiXin
- Jiayi
- Jinrongda
- Kepictronics
- KK Wisdom
- Klytech
- Kynix
- Lankamicro
- LCSC
- Leader IC
- Lingto
- LIXINC
- LKR Elec
- Longzi
- Lvangchip
- Lvychips
- Macroship
- March-Tech
- Maritex
- Mars Elec
- Martec
- Maybo
- MetaverseIc
- MicrochipUSA
- Microsemi
- Midan
- Mouser
- MV Comp
- NAC
- Nantian
- Netsight
- NetSource
- Newark
- NewStrength
- Nexxon
- N&S Elec
- Oemstron
- OMO
- OnlineCom
- PESE
- Pneda
- PUI
- Quarktwin
- Quattro
- Quest
- Quotebeam
- Resion
- Rixin
- Rochester
- RS
- RS DE
- RYX IC
- Sense Elec
- Shengyu
- Sierra
- SiliTech
- Sky Foundation
- Southernel
- STJK
- TE
- TME
- Unicom Elec
- Unikey
- Unite Chance Co., Limited
- Utmel
- Utsource
- Ventron
- Viassion
- Voyager Comp
- WanWeiChip
- Weyland
- WinSource
- Wjcdz
- Worldway
- Xianghongli
- Xinvry
- Xunqida
- YIC
- YST Elec
- Yuanxinai
- YueTong Tech
- ZHSChip
- Zouser
- ZTZ Tech
Hide
Manufacturer
Integrated Circuits (ICs) > Linear - Comparators
IC DIFF COMPARATOR QUAD 14-DIP
Specifications
| Part Status | Active |
| Type | General Purpose |
| Number of Elements | 4 |
| Output Type | CMOS, MOS, Open-Collector |
| Voltage - Supply, Single/Dual (±) | 3 V ~ 30 V, ±1.5 V ~ 15 V |
| Voltage - Input Offset (Max) | 5mV @ 30V |
| Current - Input Bias (Max) | 0.025µA @ 5V |
| Current - Output (Typ) | 30mA @ 5V |
| Current - Quiescent (Max) | 100µA |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 14-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Supplier Device Package | 14-PDIP |
Hide
Freelance Electronics
Certificates
Longzi Technology (Shenzhen) Co., Ltd.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC COMPARATOR 4 GEN PUR 14DIP | 4958 |
|
Buy | |
| LP339N-NOPB | Texas Instruments | IC COMPARATOR 4 GEN PUR 14DIP | 883 |
|
Buy |
Kynix Semiconductor Limited
Certificates
AAA Chips Technology (HK) Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | Tube LP339 CMOS MOS Open-Collector 0.025muA comparator circuit 25nA 8mus 19.3mm 9V | 9369 |
|
Inquiry | ||||||||
| LP339N/NOPB | Texas Instruments | Tube LP339 CMOS MOS Open-Collector Matte Tin (Sn) comparator circuit 25nA 8mus 19.177mm 9V | 3266 |
|
Inquiry |
Microchip USA
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | OEM/EMS/CM ONLY | NO BROKER QUOTES | Member of ERAI, GIDEP, & ITAR | ISO9001 AND AS9120 Certified ; Tube | 7951 |
|
Inquiry | |
| LP339N/PB | Texas Instruments | OEM/EMS/CM ONLY | NO BROKER QUOTES | Member of ERAI, GIDEP, & ITAR | ISO9001 AND AS9120 Certified ; Tube | 5847 |
|
Inquiry |
Rochester Electronics
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N | National Semiconductor | LP339 Quad, Low-Power, General Purpose Differential Comparator | 25 |
|
Buy | ||||||||||
| LP339N | Texas Instruments | LP339 Quad, Low-Power, General Purpose Differential Comparator | 4150 |
|
Buy | ||||||||||
| LP339N/PB | National Semiconductor | Comparator, 4 Func, 9000uV Offset-Max, 8000ns Response Time, BIPolar, PDIP14 | 700 |
|
Buy | ||||||||||
| LP339NE4 | Texas Instruments | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | 950 |
|
Buy | ||||||||||
| LP339N/NOPB | National Semiconductor | LP339-N Ultra-Low Power Quad Comparator | 4590 |
|
Buy | ||||||||||
| LP339N/NOPB | Texas Instruments | LP339-N Ultra-Low Power Quad Comparator | 1225 |
|
Buy |
Shenzhen Dasenic Electronic Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP Integrated Circuits (ICs)>Linear-Comparators
|
12450 |
|
Buy | ||||||||||
| LP339N/PB | National Semiconductor | COMPARATOR Integrated Circuits (ICs)>Linear-Comparators
|
4200 |
|
Buy | ||||||||||
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP Integrated Circuits (ICs)>Linear-Comparators
|
13770 |
|
Buy |
He Qing Electronics Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | 100% new and original | in stock |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | 100% new and original | in stock |
|
Inquiry |
Quarktwin Technology Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 4132 |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 2541 |
|
Inquiry |
Hong Kong Luk Electronics Co., Limited
Certificates
Dxway Technology Co., Ltd
Certificates
Heisener Electronics Co., Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP Linear - Comparators
|
122498 |
|
Buy | |
| LP339N/PB | Texas Instruments | IC COMPARATOR QUAD LO PWR 14-DIP Linear - Comparators
|
4153 |
|
Buy | |
| LP339NG4 | Texas Instruments | IC QUAD LP DIFF COMPARATR 14DIP Linear - Comparators
|
5206 |
|
Buy | |
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP Linear - Comparators
|
22727 |
|
Buy |
Mouser
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LP339N/NOPB
sku #: 926-LP339N/NOPB
|
Texas Instruments | Analog Comparators Ultra-Low Power Quad Comparator 14-PDIP 0 to 70 Analog Comparators
|
135 In Stock |
|
Buy | ||||||||||||||||
|
LP339MX/NOPB
sku #: 926-LP339MX/NOPB
|
Texas Instruments | Analog Comparators LOW PWR QUAD COMP Analog Comparators
|
7324 In Stock |
|
Buy | ||||||||||||||||
|
LP339M/NOPB
sku #: 926-LP339M/NOPB
|
Texas Instruments | Analog Comparators LOW PWR QUAD COMP Analog Comparators
|
977 In Stock |
|
Buy |
ComSIT Distribution GmbH
Certificates
Allchips Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | In-Stock |
|
Inquiry | ||
| LP339N | Texas Instruments | Comparator General Purpose CMOS, MOS, Open-Collector 14-PDIP | In-Stock |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | In-Stock |
|
Inquiry | ||
| LP339N/NOPB | Texas Instruments | Comparator General Purpose CMOS, MOS, Open-Collector 14-PDIP | In-Stock |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | Comparator Quad R-R O/P ±18V/36V 14-Pin PDIP Tube | In-Stock |
|
Inquiry |
Hotenda Technology
Certificates
Zouser Electronic
Certificates
HSK Electronics
Certificates
Gang Bo Industrial Co,.Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 92210000 |
|
Buy | ||||||||
| LP339N/PB | Rochester Electronics | COMPARATOR | 10000 |
|
Buy | ||||||||
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 10000 |
|
Buy |
PNEDA Technology Co., Ltd
Certificates
Transfer Multisort Elektronik
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LP339N
sku #: LP339N
|
TEXAS INSTRUMENTS | IC: comparator; universal; Cmp: 4; 8us; 3 30V; THT; DIP14; tube Semiconductors > Integrated circuits > Analog and mixed integrated circuits > Comparators > THT comparators
|
440 |
|
Buy | ||||||||||
|
LP339N/NOPB
sku #: LP339N/NOPB
|
TEXAS INSTRUMENTS | IC: comparator; low-power; Cmp: 4; 8us; 2 36V; THT; DIP14; tube Semiconductors > Integrated circuits > Analog and mixed integrated circuits > Comparators > THT comparators
|
6 |
|
Buy |
Huaqiu Electronics Co. , Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | TI | In-Stock |
|
Inquiry | ||
| LP339N/NOPB | TI | In-Stock |
|
Inquiry |
Cytech Systems Limited
Certificates
DGT Technology (HK) Co., Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||
|---|---|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 92210000 |
|
Inquiry | ||||
| LP339N/PB | Rochester Electronics | COMPARATOR | 10000 |
|
Inquiry | ||||
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 10000 |
|
Inquiry |
Leader Electronics Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP ; 14-DIP (0.300, 7.62mm) | 58645 |
|
Buy | |
| LP339N/PB | Rochester Electronics, LLC | COMPARATOR ; 14-DIP (0.300, 7.62mm) | 18745 |
|
Buy | |
| LP339N/PB | Texas Instruments | IC COMPARATOR QUAD LO PWR 14-DIP ; 14-DIP (0.300, 7.62mm) | 77397 |
|
Buy | |
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP ; 14-DIP (0.300, 7.62mm) | 23508 |
|
Buy |
Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Mars Electronics Limited
Certificates
Oemstron Technology Co., Ltd
Certificates
Best Technology Components Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N/NOPB | Texas Instruments | New and Original | 2250 |
|
Inquiry |
Fly-Wing Technology (HK) Co., Ltd
Certificates
Unikey Electronics Pte. Ltd.
Certificates
Win Source
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||
|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 65100 |
|
Buy | ||
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP / Comparator Quad R-R O/P ±18V/36V 14-Pin PDIP Tube | 22000 |
|
Buy |
ICSOSO Electronics Company Limited
Certificates
LIXINC Electronics Co., Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | TI | DC:19+ ; DIP-14 | 13520 |
|
Inquiry | |
| LP339N/NOPB | TI | DC:19+ ; DIP-14 | 13520 |
|
Inquiry |
Lanka Micro Electronic Co.,Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | 110635 |
|
Buy | ||
| LP339N/NOPB | Texas Instruments | 351 |
|
Buy |
Shenzhen Zuan Ying Tech Trade Co., Ltd
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP ; DC:21+ ; 14-PDIP | 100 |
|
Inquiry | |
| LP339N/PB | National Semiconductor | COMPARATOR ; DC:21+ ; 14-PDIP | 100 |
|
Inquiry | |
| LP339N/PB | Texas Instruments | IC COMPARATOR QUAD LO PWR 14-DIP ; DC:21+ ; 14-PDIP | 100 |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP ; DC:21+ ; 14-PDIP | 100 |
|
Inquiry |
Shenzhen Shengyu Electronics Tech Limited.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | IC COMPARATOR 4 GEN PUR 14DIP | 24630 |
|
Inquiry | |
| LP339N/NOPB | Texas Instruments | IC COMPARATOR 4 GEN PUR 14DIP | 19116 |
|
Inquiry |
MountainView Components Inc.
Certificates
IC Online Co.,Ltd
Certificates
Hongte Technology Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | NS | DC:0548+ | 1297 |
|
Inquiry | |
| LP339N/NOPB | TI | DC:19+ | 1297 |
|
Inquiry |
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | NS | In stock,ready for shipping ; DIP | 3500 |
|
Inquiry | |
| LP339N/NOPB | In stock,ready for shipping | 3500 |
|
Inquiry |
KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Ample Chip
Certificates
Resion LLC
Certificates
Zhong Hai Sheng Technology Limited
Certificates
Lingto Electronic Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | Texas Instruments | DC:24+ ; IC DIFF COMPARATOR QUAD 14-DIP | 26013 |
|
Inquiry | |
| LP339N/PB | Rochester Electronics | DC:24+ ; COMPARATOR | 43996 |
|
Inquiry | |
| LP339N/PB | Texas Instruments | DC:24+ ; IC COMPARATOR QUAD LO PWR 14-DIP | 26771 |
|
Inquiry | |
| LP339N/NOPB | Rochester Electronics | DC:24+ ; IC DIFF COMPARATOR QUAD 14-DIP | 41190 |
|
Inquiry |
Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Cosmos Components Limited
Certificates
HK YST Electronic Limited
Certificates
Unicom Electronics co.
Certificates
SILITECH Components Inc
Certificates
Classic Components
Certificates
Chip One Exchange
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | TI | INSTOCK | 25 |
|
Inquiry | |
| LP339N | INSTOCK | 402 |
|
Inquiry | ||
| LP339N/ NOPB | INSTOCK | 11 |
|
Inquiry | ||
| LP339N/NOPB | TI | AVAILABLE | 1625 |
|
Inquiry |
GlobalTek Components
Certificates
Briocean Technology Co. Ltd
Certificates
Blue Peninsula Technology Co., Limited
Certificates
Asian Tera Part Limited
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | TI | IC COMPARATOR QUAD 15V/30V 14-PIN PDIP ; DC:1210 | 1000 |
|
Inquiry | |
| LP339N/NOPB | NATIONAL SEMICONDUCTOR CORPORATION | Electronic Distribution since 1988. ERAI Certified supplier. ; DC:2008 | 50 |
|
Inquiry |
RX Electronics Limited
Certificates
Nexxon, Inc. (USA)
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
| LP339N | National | In Stock |
|
Inquiry | ||
| LP339N | NATIONAL | In Stock |
|
Inquiry | ||
| LP339N | NS | In Stock |
|
Inquiry | ||
| LP339N | NSC | In Stock |
|
Inquiry | ||
| LP339N | Texas Instruments (TI) | In Stock |
|
Inquiry | ||
| LP339N | TEXAS INSTRUMENTS | In Stock |
|
Inquiry | ||
| LP339N | TI | In Stock |
|
Inquiry | ||
| LP339N | TI1 | In Stock |
|
Inquiry | ||
| LP339-N | TI1 | In Stock |
|
Inquiry |
Utsource
Certificates
Authorized Procurement Solutions
Certificates
HK Maybo Technology Ltd.
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LP339N
sku #: 2502-LP339N
|
Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 7 |
|
Inquiry | ||||||||||
|
LP339N/PB
sku #: 2502-LP339N/PB
|
Texas Instruments | IC COMPARATOR QUAD LO PWR 14-DIP | 39 |
|
Inquiry | ||||||||||
|
LP339N/NOPB
sku #: 2502-LP339N/NOPB
|
Texas Instruments | IC DIFF COMPARATOR QUAD 14-DIP | 59 |
|
Inquiry |
IC Components Limited
Certificates
Quest Components
Certificates
| Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LP339N | Texas Instruments Inc | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 80 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 21 |
|
Buy | ||||||
| LP339N | Texas Instruments Inc | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 19 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 20 |
|
Buy | ||||||
| LP339N | Texas Instruments Inc | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 2578 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 600 |
|
Buy | ||||||
| LP339N | Texas Instruments Inc | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 104 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 134 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 251 |
|
Buy | ||||||
| LP339N | National Semiconductor Corp | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 5 |
|
Buy | ||||||
| LP339N | N | Voltage Comparator, Quad, 14 Pin, Plastic, DIP | 60 |
|
Buy | ||||||
| LP339N/PB | National Semiconductor Corp | LP339N/PB | 3 |
|
Buy | ||||||
| LP339NE4 | Texas Instruments Inc | COMPARATOR, 4 FUNC, 9000UV OFFSET-MAX, 1300NS RESPONSE TIME, BIPOLAR, PDIP14 | 45 |
|
Buy | ||||||
| LP339NE4 | Texas Instruments Inc | COMPARATOR, 4 FUNC, 9000UV OFFSET-MAX, 1300NS RESPONSE TIME, BIPOLAR, PDIP14 (Also Known As: LP339N) | 45 |
|
Buy |
Depu Electronics
Certificates
Farnell element14
Certificates
See Also:
LP339D
LP339M
LP339
LP339DR
LP339MX
LP339NE4
LP339NG4
LP339PWR
LP339DG4
LP339N/PB
LP339DE4
LP339N E4
LP339DRG4
LP339MNOPB
LP339DRE4
LP339N/NOPB
LP339M/NOPB