Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander
TCA6424ARGJR
Texas Instruments
1:
₱170.55
57,779 May Stock
# ng Piyesa ng Mouser
595-TCA6424ARGJR
Texas Instruments
Interface - I/O Expanders Lo-Vltg 24B I2C and SMBus I/O Expander
57,779 May Stock
1
₱170.55
10
₱127.61
25
₱116.57
100
₱104.91
250
Tingnan
3,000
₱93.87
250
₱98.77
500
₱96.93
1,000
₱93.87
3,000
₱93.87
Bumili
Min.: 1
Mult.: 1
Max.: 1,001
Reel :
3,000
Mga detalye
TCA6424A
SMD/SMT
UQFN-32
I2C, Serial, SMBus
24 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander
TCA9534PWR
Texas Instruments
1:
₱93.87
31,122 May Stock
# ng Piyesa ng Mouser
595-TCA9534PWR
Texas Instruments
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander
31,122 May Stock
1
₱93.87
10
₱68.71
25
₱62.58
100
₱55.03
2,000
₱46.01
4,000
Tingnan
250
₱51.72
500
₱49.75
1,000
₱49.20
4,000
₱45.03
Bumili
Min.: 1
Mult.: 1
Reel :
2,000
Mga detalye
TCA9534
SMD/SMT
TSSOP-16
I2C, Serial, SMBus
8 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
TCA9539PWR
Texas Instruments
1:
₱105.52
14,566 May Stock
# ng Piyesa ng Mouser
595-TCA9539PWR
Texas Instruments
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
14,566 May Stock
1
₱105.52
10
₱77.91
25
₱70.55
100
₱62.58
2,000
₱52.82
4,000
Tingnan
250
₱58.90
500
₱56.63
1,000
₱56.32
4,000
₱51.66
Bumili
Min.: 1
Mult.: 1
Reel :
2,000
Mga detalye
TCA9539
SMD/SMT
TSSOP-24
I2C, Serial, SMBus
16 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
TCA9539RTWR
Texas Instruments
1:
₱145.40
27,337 May Stock
# ng Piyesa ng Mouser
595-TCA9539RTWR
Texas Instruments
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander
27,337 May Stock
1
₱145.40
10
₱107.98
25
₱98.77
100
₱88.34
250
Tingnan
3,000
₱79.14
250
₱83.44
500
₱80.98
1,000
₱79.14
3,000
₱79.14
Bumili
Min.: 1
Mult.: 1
Max.: 1,001
Reel :
3,000
Mga detalye
TCA9539
SMD/SMT
WQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K
360°
+5 image
PI4IOE5V6534Q2ZLWEX
Diodes Incorporated
1:
₱219.63
10,087 May Stock
# ng Piyesa ng Mouser
621-PI4IO565342ZLWEX
Diodes Incorporated
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K
10,087 May Stock
1
₱219.63
10
₱163.80
25
₱149.69
100
₱134.36
250
₱126.99
3,500
₱126.99
Bumili
Min.: 1
Mult.: 1
Max.: 400
Reel :
3,500
Mga detalye
PI4IOE5V6534Q
SMD/SMT
TQFN-46
I2C, Serial
28 I/O
With Interrupt
1.65 V
5.5 V
100 kHz
- 40 C
+ 105 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch
+4 image
DS2408S+T&R
Analog Devices / Maxim Integrated
1:
₱707.98
4,146 May Stock
# ng Piyesa ng Mouser
700-DS2408S+T&R
Analog Devices / Maxim Integrated
Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch
4,146 May Stock
Alternatibong Packaging
1
₱707.98
10
₱554.60
25
₱516.57
100
₱474.24
250
Tingnan
2,500
₱448.47
250
₱469.33
500
₱453.99
1,000
₱448.47
2,500
₱448.47
Bumili
Min.: 1
Mult.: 1
Max.: 1,000
Reel :
2,500
Mga detalye
DS2408S
SMD/SMT
SOIC-16
1-Wire
8 I/O
Without Interrupt
2.8 V
5.25 V
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port
MAX7300ATL+T
Analog Devices / Maxim Integrated
1:
₱1,084.05
1,632 May Stock
# ng Piyesa ng Mouser
700-MAX7300ATL+T
Analog Devices / Maxim Integrated
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port
1,632 May Stock
Alternatibong Packaging
1
₱1,084.05
10
₱861.35
25
₱805.53
100
₱747.24
250
Tingnan
2,500
₱666.87
250
₱728.22
500
₱720.86
2,500
₱666.87
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7300
SMD/SMT
TQFN-40
I2C, Serial
20 I/O
With Interrupt
2.5 V
5.5 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port
MAX7301AAX+T
Analog Devices / Maxim Integrated
1:
₱938.04
2,834 May Stock
# ng Piyesa ng Mouser
700-MAX7301AAXT
Analog Devices / Maxim Integrated
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port
2,834 May Stock
Alternatibong Packaging
1
₱938.04
10
₱741.72
25
₱692.64
100
₱639.27
500
Tingnan
1,000
₱584.05
500
₱601.84
1,000
₱584.05
2,000
Quote
Bumili
Min.: 1
Mult.: 1
Reel :
1,000
Mga detalye
MAX7301
SMD/SMT
SSOP-36
Serial, SPI
28 I/O
With Interrupt
2.5 V
5.5 V
26 MHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
MAX7311AUG+T
Analog Devices / Maxim Integrated
1:
₱717.18
2,660 May Stock
# ng Piyesa ng Mouser
700-MAX7311AUGT
Analog Devices / Maxim Integrated
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
2,660 May Stock
Alternatibong Packaging
1
₱717.18
10
₱561.97
25
₱523.32
100
₱480.37
250
Tingnan
2,500
₱436.20
250
₱476.08
500
₱460.74
1,000
₱455.22
2,500
₱436.20
5,000
Quote
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7311
SMD/SMT
TSSOP-24
I2C, Serial, SMBus
16 I/O
With Interrupt
2.5 V
5.5 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
MAX7312ATG+T
Analog Devices / Maxim Integrated
1:
₱532.52
4,947 May Stock
# ng Piyesa ng Mouser
700-MAX7312ATGT
Analog Devices / Maxim Integrated
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand
4,947 May Stock
Alternatibong Packaging
1
₱532.52
10
₱413.50
25
₱383.44
100
₱350.31
250
Tingnan
2,500
₱315.95
250
₱338.65
500
₱333.13
1,000
₱328.84
2,500
₱315.95
5,000
Quote
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7312
SMD/SMT
TQFN-24
16 I/O
2 V
5.5 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity
MAX7313ATG+T
Analog Devices / Maxim Integrated
1:
₱538.65
26,148 May Stock
# ng Piyesa ng Mouser
700-MAX7313ATGT
Analog Devices / Maxim Integrated
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity
26,148 May Stock
Alternatibong Packaging
1
₱538.65
10
₱418.41
25
₱388.35
100
₱355.22
250
Tingnan
2,500
₱307.98
250
₱343.56
500
₱338.04
1,000
₱333.13
2,500
₱307.98
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7313
SMD/SMT
TQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
2 V
3.6 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Without ESD Protection
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C
MAX7315AUE+T
Analog Devices / Maxim Integrated
1:
₱383.44
7,223 May Stock
# ng Piyesa ng Mouser
700-MAX7315AUET
Analog Devices / Maxim Integrated
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C
7,223 May Stock
Alternatibong Packaging
1
₱383.44
10
₱294.48
25
₱271.78
100
₱247.24
250
Tingnan
2,500
₱219.63
250
₱236.81
500
₱233.13
1,000
₱231.90
2,500
₱219.63
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7315
SMD/SMT
TSSOP-16
2 V
3.6 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os
MAX7321ATE+T
Analog Devices / Maxim Integrated
1:
₱254.60
6,852 May Stock
# ng Piyesa ng Mouser
700-MAX7321ATET
Analog Devices / Maxim Integrated
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os
6,852 May Stock
Alternatibong Packaging
1
₱254.60
10
₱192.64
25
₱177.30
100
₱160.12
250
Tingnan
2,500
₱138.04
250
₱152.15
500
₱151.53
1,000
₱146.63
2,500
₱138.04
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
MAX7321
SMD/SMT
TQFN-16
I2C, Serial
8 I/O
With Interrupt
1.71 V
5.5 V
400 kHz
- 40 C
+ 125 C
Reel, Cut Tape, MouseReel
Without ESD Protection
Interface - I/O Expanders Interface IO Expander
PI4IOE5V6416ZDEX
Diodes Incorporated
1:
₱84.66
25,915 May Stock
21,000 Inaasahan 8/9/2027
# ng Piyesa ng Mouser
729-PI4IOE5V6416ZDEX
Diodes Incorporated
Interface - I/O Expanders Interface IO Expander
25,915 May Stock
21,000 Inaasahan 8/9/2027
1
₱84.66
10
₱69.33
25
₱55.52
100
₱49.02
250
Tingnan
3,500
₱41.47
250
₱45.95
500
₱44.11
1,000
₱42.33
3,500
₱41.47
Bumili
Min.: 1
Mult.: 1
Max.: 3,500
Reel :
3,500
Mga detalye
PIO4IO
SMD/SMT
TQFN-24
I2C, Serial
16 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package
PCA6416AHF,128
NXP Semiconductors
1:
₱106.75
19,413 May Stock
# ng Piyesa ng Mouser
771-PCA6416AHF,128
NXP Semiconductors
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package
19,413 May Stock
1
₱106.75
10
₱79.76
25
₱72.39
100
₱65.03
250
Tingnan
6,000
₱54.36
250
₱61.35
500
₱59.33
1,000
₱59.08
2,500
₱56.32
6,000
₱54.36
Bumili
Min.: 1
Mult.: 1
Reel :
6,000
Mga detalye
PCA6416
SMD/SMT
HWQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
1.65 V
5.5 V
100 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package
PCA9505DGGY
NXP Semiconductors
1:
₱398.78
4,890 May Stock
# ng Piyesa ng Mouser
771-PCA9505DGGY
NXP Semiconductors
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package
4,890 May Stock
1
₱398.78
10
₱306.14
25
₱282.82
100
₱257.67
250
Tingnan
2,000
₱228.84
250
₱246.63
500
₱242.95
1,000
₱241.11
2,000
₱228.84
Bumili
Min.: 1
Mult.: 1
Reel :
2,000
Mga detalye
PCA9505
SMD/SMT
TSSOP-56
I2C, Serial
40 I/O
With Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in HVQFN24 package
PCA9535BS,118
NXP Semiconductors
1:
₱153.38
17,281 May Stock
18,000 Inaasahan 10/5/2026
# ng Piyesa ng Mouser
771-PCA9535BS-T
NXP Semiconductors
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in HVQFN24 package
17,281 May Stock
18,000 Inaasahan 10/5/2026
1
₱153.38
10
₱123.31
25
₱112.27
100
₱100.61
250
Tingnan
6,000
₱82.21
250
₱95.09
500
₱92.03
1,000
₱87.73
2,500
₱87.12
6,000
₱82.21
Bumili
Min.: 1
Mult.: 1
Reel :
6,000
Mga detalye
PCA9535
SMD/SMT
HVQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package
PCA9536DP,118
NXP Semiconductors
1:
₱106.75
32,244 May Stock
# ng Piyesa ng Mouser
771-PCA9536DP-T
NXP Semiconductors
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package
32,244 May Stock
1
₱106.75
10
₱80.98
25
₱74.23
100
₱67.49
2,500
₱56.93
5,000
Tingnan
250
₱63.80
500
₱61.96
1,000
₱61.29
5,000
₱56.56
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
PCA9536
SMD/SMT
TSSOP-8
I2C, Serial, SMBus
4 I/O
Without Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package
PCA9554PW,118
NXP Semiconductors
1:
₱129.45
20,546 May Stock
# ng Piyesa ng Mouser
771-PCA9554PW-T
NXP Semiconductors
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package
20,546 May Stock
Alternatibong Packaging
1
₱129.45
10
₱95.71
25
₱87.73
100
₱77.91
2,500
₱65.64
5,000
Tingnan
250
₱73.62
500
₱71.17
1,000
₱68.10
5,000
₱64.42
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
PCA9554
SMD/SMT
TSSOP-16
I2C, Serial, SMBus
8 I/O
With Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package
PCA9555AHF,128
NXP Semiconductors
1:
₱122.70
28,415 May Stock
24,000 Inaasahan 10/6/2026
# ng Piyesa ng Mouser
771-PCA9555AHF,128
NXP Semiconductors
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package
28,415 May Stock
24,000 Inaasahan 10/6/2026
1
₱122.70
10
₱94.48
25
₱82.21
100
₱73.62
250
Tingnan
6,000
₱63.80
250
₱69.33
500
₱68.71
1,000
₱66.87
2,500
₱66.26
6,000
₱63.80
Bumili
Min.: 1
Mult.: 1
Reel :
6,000
Mga detalye
PCA9555A
SMD/SMT
HWQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
1.65 V
5.5 V
100 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package
PCA9555BS,118
NXP Semiconductors
1:
₱147.24
15,693 May Stock
# ng Piyesa ng Mouser
771-PCA9555BS-T
NXP Semiconductors
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package
15,693 May Stock
Alternatibong Packaging
1
₱147.24
10
₱114.72
25
₱106.75
100
₱97.55
250
Tingnan
6,000
₱85.89
250
₱93.25
500
₱92.03
1,000
₱89.57
2,500
₱85.89
6,000
₱85.89
Bumili
Min.: 1
Mult.: 1
Reel :
6,000
Mga detalye
PCA9555
SMD/SMT
HVQFN-24
I2C, Serial, SMBus
16 I/O
With Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package
PCA9557PW,118
NXP Semiconductors
1:
₱134.36
17,323 May Stock
# ng Piyesa ng Mouser
771-PCA9557PW-T
NXP Semiconductors
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package
17,323 May Stock
1
₱134.36
10
₱100.00
25
₱90.80
100
₱81.60
2,500
₱69.33
5,000
Tingnan
250
₱76.69
500
₱74.23
1,000
₱72.39
5,000
₱67.49
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
PCA9557
SMD/SMT
TSSOP-16
I2C, Serial, SMBus
8 I/O
Without Interrupt
2.3 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package
PCA9698DGG,518
NXP Semiconductors
1:
₱538.04
3,141 May Stock
6,000 Inaasahan 9/14/2026
# ng Piyesa ng Mouser
771-PCA9698DGG-T
NXP Semiconductors
Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package
3,141 May Stock
6,000 Inaasahan 9/14/2026
Alternatibong Packaging
1
₱538.04
10
₱417.79
25
₱387.73
100
₱354.60
250
Tingnan
2,000
₱311.04
250
₱342.95
500
₱337.43
1,000
₱332.52
2,000
₱311.04
Bumili
Min.: 1
Mult.: 1
Reel :
2,000
Mga detalye
PCA9698
SMD/SMT
TSSOP-56
I2C, Serial
40 I/O
With Interrupt
2.3 V
5.5 V
1 MHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
PCAL6408ABSHP
NXP Semiconductors
1:
₱93.25
63,387 May Stock
# ng Piyesa ng Mouser
771-PCAL6408ABSHP
NXP Semiconductors
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
63,387 May Stock
1
₱93.25
10
₱68.10
25
₱61.96
100
₱54.85
250
Tingnan
6,000
₱44.91
250
₱51.53
500
₱49.51
1,000
₱49.02
2,500
₱47.30
6,000
₱44.91
Bumili
Min.: 1
Mult.: 1
Reel :
6,000
Mga detalye
PCAL6408A
SMD/SMT
HVQFN-16
I2C, Serial, SMBus
8 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
PCAL6408APWJ
NXP Semiconductors
1:
₱93.25
53,050 May Stock
# ng Piyesa ng Mouser
771-PCAL6408APWJ
NXP Semiconductors
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
53,050 May Stock
1
₱93.25
10
₱68.10
25
₱61.96
100
₱54.85
2,500
₱45.83
5,000
Tingnan
250
₱51.53
500
₱49.51
1,000
₱49.02
5,000
₱44.85
Bumili
Min.: 1
Mult.: 1
Reel :
2,500
Mga detalye
PCAL6408A
SMD/SMT
TSSOP-16
I2C, Serial, SMBus
8 I/O
With Interrupt
1.65 V
5.5 V
400 kHz
- 40 C
+ 85 C
Reel, Cut Tape, MouseReel
2 kV