Diodes Incorporated

Infineon Technologies

MCC (Micro Commercial Components)

Nexperia

Panasonic Electronic Components

Renesas Electronics

Rohm Semiconductor

Toshiba Electronic Devices & Storage

Onsemi

Panjit International Inc.

Diotec Semiconductor

NXP Semiconductors

2SC164

ACX114

ACX143

ADA114

ADA123

ADC113

ADC114

ADC124

ADC143

ADC144

B114

B123

B143

B144

B1706

BA114

BA143

BC114

BC123

BC124

BC143

BC144

BCR 116

BCR 133

BCR 141

BCR 148

BCR 22

BCR 48

BCR08

BCR10

BCR108

BCR116

BCR119

BCR129

BCR133

BCR135S

BCR141

BCR148

BCR169

BCR183

BCR185

BCR198

BCR22

BCR35

BCR48

BCR523

CPH5514

DCX100

DCX114

DCX115

DCX123

DCX124

DCX143

DCX144

DCX4710

DDA114

DDA122

DDA123

DDA124

DDA143

DDA144

DDC113

DDC114

DDC115

DDC123

DDC124

DDC143

DDC144

DEMD48

DIMD10

DMA2610

DMA26100

DMA26101

DMA26102

DMA26103

DMA26104

DMA26105

DMA26106

DMA26109

DMA264

DMA26401

DMA26402

DMA26403

DMA26404

DMA26603

DMA561

DMA5610

DMA56100

DMA56101

DMA56103

DMA56105

DMA56401

DMA56402

DMA56403

DMA56404

DMA56405

DMA56406

DMA56407

DMA5640M

DMA56601

DMA56603

DMA56605

DMA56606

DMA96101

DMA96103

DMA96104

DMA9610F

DMA9640

DMA96401

DMA96402

DMA96403

DMA96406

DMC26100

DMC26101

DMC26102

DMC26103

DMC26104

DMC26105

DMC26106

DMC2610E

DMC2640

DMC26400

DMC26401

DMC26402

DMC26403

DMC26404

DMC26405

DMC26406

DMC266

DMC26601

DMC26603

DMC26604

DMC26606

DMC561

DMC5610

DMC56100

DMC56101

DMC56102

DMC56104

DMC56105

DMC56106

DMC56107

DMC56205

DMC564

DMC5640

DMC56400

DMC56401

DMC56403

DMC56404

DMC56405

DMC56406

DMC56407

DMC56603

DMC56604

DMC56605

DMC56606

DMC96101

DMC96102

DMC96103

DMC96104

DMC9610M

DMC96401

DMC96402

DMC96403

DMC96404

DMC96405

DMC96406

DMC96407

DMC9640N

DME914C1

DMG21401

DMG26301

DMG26302

DMG26401

DMG26402

DMG26404

DMG26405

DMG26406

DMG26412

DMG264H0

DMG563

DMG56301

DMG56302

DMG564

DMG56401

DMG56403

DMG56404

DMG56405

DMG56406

DMG5640N

DMG963

DMG96301

DMG96302

DMG96303

DMG964

DMG9640

DMG96401

DMG96402

DMG96403

DMG96404

DMG96405

DMG96406

EMA6DX

EMB10

EMB2FHAT2

EMB3FHAT2

EMB3T2

EMB52

EMB53

EMB60

EMC2

EMC2DX

EMC2DXV5

EMC4DX

EMC5DX

EMC5DXV5

EMD22

EMD30

EMD38

EMD3FHAT2

EMD4

EMD4DXV6

EMD52T

EMD5DX

EMD5DXV6

EMD5T2

EMD72

EMF18

EMF21

EMF23

EMF5XV

EMF5XV6

EMG2DX

EMG2DXV5

EMH11

EMH2FHAT2

EMH3FHAT2

EMH4FHAT2

EMH51

EMH52

EMH53

EMH59

FMA3

FMA4

HD1A3

IMB2

IMD10

IMD6

IMH20

IMH21

IMH4

MA4

MBT3906

MC2

MC3

MIMD10

MUN2212

MUN5111

MUN5112

MUN5113

MUN5114

MUN5115

MUN5116

MUN5130

MUN5131

MUN5132

MUN5133

MUN5134

MUN5135

MUN5136

MUN5137

MUN5211

MUN5212

MUN5213

MUN5214

MUN5215

MUN5216

MUN5230

MUN5231

MUN5232

MUN5233

MUN5234

MUN5235

MUN5236

MUN5237

MUN5311

MUN5312

MUN5313

MUN531335

MUN5314

MUN5315

MUN5316

MUN5330

MUN5331

MUN5332

MUN5333

MUN5334

MUN5335

MUN5336

NHUMB1

NHUMB10

NHUMB11

NHUMB13

NHUMB2

NHUMB9

NHUMD10

NHUMD12

NHUMD13

NHUMD2

NHUMD3

NHUMD9

NHUMH1

NHUMH10

NHUMH11

NHUMH13

NHUMH2

NHUMH9

NP043A2

NP043A3

NP062AN

NP0G3D1

NP0G3D2

NP0H3A3

NP0J1A3

NSB132

NSB1706

NSB4904

NSBA113

NSBA114

NSBA115

NSBA123

NSBA124

NSBA143

NSBA144

NSBC113

NSBC114

NSBC115

NSBC123

NSBC124

NSBC14

NSBC143

NSBC144

NSM111

NSM211

NSM213

NSM462

NSTB10

NSTB1002

NSTB1003

NSTB60

NUS2401

PBLS1501

PBLS1502

PBLS1503

PBLS1504

PBLS2001

PBLS2002

PBLS2003

PBLS2004

PBLS2021

PBLS2022

PBLS2023

PBLS2024

PBLS4001

PBLS4002

PBLS4003

PBLS4004

PBLS4005

PBLS6001

PBLS6002

PBLS6003

PBLS6004

PBLS6005

PBLS6021

PBLS6022

PBLS6023

PBLS6024

PEMB1

PEMB10

PEMB11

PEMB13

PEMB14

PEMB15

PEMB16

PEMB17

PEMB18

PEMB2

PEMB20

PEMB24

PEMB3

PEMB30

PEMB4

PEMB9

PEMD10

PEMD12

PEMD13

PEMD14

PEMD15

PEMD16

PEMD17

PEMD18

PEMD19

PEMD2

PEMD20

PEMD24

PEMD3

PEMD30

PEMD4

PEMD48

PEMD6

PEMD9

PEMF21

PEMH1

PEMH10

PEMH11

PEMH13

PEMH14

PEMH15

PEMH16

PEMH17

PEMH18

PEMH19

PEMH2

PEMH20

PEMH24

PEMH30

PEMH4

PEMH7

PEMH9

PIMC31

PIMC32

PIMD2

PIMD3

PIMH9

PIMN31

PIMN32

PIMP31

PIMP32

PQMB11

PQMD10

PQMD12

PQMD13

PQMD16

PQMD2

PQMD21

PQMD3

PQMH10

PQMH11

PQMH13

PQMH2

PQMH9

PRMB11

PRMD10

PRMD12

PRMD13

PRMD16

PRMD2

PRMD3

PRMH10

PRMH11

PRMH13

PRMH2

PRMH9

PUMB1

PUMB10

PUMB11

PUMB13

PUMB14

PUMB15

PUMB16

PUMB17

PUMB18

PUMB19

PUMB2

PUMB20

PUMB24

PUMB3

PUMB30

PUMB4

PUMB9

PUMD10

PUMD12

PUMD13

PUMD14

PUMD15

PUMD16

PUMD17

PUMD18

PUMD19

PUMD2

PUMD20

PUMD24

PUMD3

PUMD30

PUMD4

PUMD48

PUMD6

PUMD9

PUMF11

PUMF12

PUMH1

PUMH10

PUMH11

PUMH13

PUMH14

PUMH15

PUMH16

PUMH17

PUMH18

PUMH19

PUMH2

PUMH20

PUMH24

PUMH30

PUMH4

PUMH7

PUMH9

PUML1

RN1502

RN1503

RN1507

RN1508

RN1509

RN1510

RN1511

RN1601

RN1602

RN1604

RN1605

RN1606

RN1607

RN1608

RN1609

RN1610

RN1611

RN1701

RN1702

RN1703

RN1704

RN1705

RN1706

RN1707

RN1708

RN1709

RN1710

RN1711

RN1901

RN1902

RN1903

RN1904

RN1905

RN1906

RN1907

RN1908

RN1909

RN1910

RN1911

RN1961

RN1962

RN1963

RN1964

RN1965

RN1966

RN1967

RN1968

RN1970

RN1971

RN1973

RN2502

RN2503

RN2504

RN2505

RN2506

RN2507

RN2510

RN2511

RN2601

RN2602

RN2603

RN2604

RN2605

RN2606

RN2607

RN2608

RN2610

RN2701

RN2702

RN2703

RN2704

RN2705

RN2706

RN2707

RN2708

RN2709

RN2710

RN2711

RN2712

RN2713

RN2714

RN2901

RN2902

RN2903

RN2904

RN2905

RN2906

RN2907

RN2908

RN2909

RN2910

RN2911

RN2961

RN2962

RN2963

RN2964

RN2965

RN2967

RN2969

RN2971

RN4601

RN4602

RN4603

RN4604

RN4606

RN4607

RN4608

RN4609

RN4610

RN4611

RN4901

RN4902

RN4903

RN4904

RN4905

RN4906

RN4907

RN4908

RN4909

RN4910

RN4911

RN4981

RN4982

RN4983

RN4984

RN4985

RN4986

RN4987

RN4988

RN4989

RN4990

RN4991

RN49A1

RN49A2

TB60

UMA2

UMA4

UMB11

UMB3

UMC2

UMC3

UMC4

UMC5

UMD2

UMD22

UMD25

UMD3

UMD4

UMD6

UMD9

UMG2

UMG3

UMG4

UMG5

UMG8

UMH1

UMH10

UMH11

UMH13

UMH2

UMH25

UMH3

UMH33

UMH37

UMH4

UMH8

UMH9

UP0111

UP0121

UP0331

UP0339

UP0411

UP0421

UP0431

UP0439

XN0111

XN0121

XN0411

XN0413

XN0421

XN0431

XN0432

XN0438

XN04A8

XN0621

XN0A31

XN0F25

XN0F26

XP0111

XP0121

XP0221

XP0331

XP0411

XP0421

XP0428

XP0431

XP0438

XP0611

XP0621

100mA

100mA, 1.5A

100mA, 1.8A

100mA, 1A

100mA, 200mA

100mA, 3A

100mA, 500mA

100mA, 700mA

150mA

1A

200mA

20mA

400mA

500mA

500mA, 100mA

50mA

600mA

70mA

70mA, 100mA

80mA

-

100nA

100nA (ICBO)

100nA (ICBO), 1µA

100µA (ICBO)

1µA

1µA, 100nA

500nA

500nA (ICBO)

500nA, 100nA (ICBO)

500nA, 100µA

500nA, 1µA

500nA, 500pA (ICBO)

50nA, 500nA (ICBO)

-

15V

20V

40V, 30V

40V, 50V

50V

50V, 12V

50V, 15V

50V, 20V

50V, 30V

50V, 40V

50V, 60V

50V, 65V

60V

80V

-

100 @ 100mA, 5V

100 @ 10mA, 1V / 100 @ 150mA, 5V

100 @ 10mA, 5V

100 @ 1A, 5V

100 @ 1mA, 5V

100 @ 1mA, 5V / 68 @ 100mA, 5V

100 @ 50mA, 5V

100 @ 5mA, 10V

100 @ 5mA, 5V

120 @ 1mA, 5V

120 @ 5mA, 5V

15 @ 5mA, 10V

160 @ 1mA, 5V

160 @ 5mA, 10V

20 @ 10mA, 5V

20 @ 5mA, 10V

20 @ 5mA, 10V / 150 @ 2mA, 10V

20 @ 5mA, 10V / 210 @ 2mA, 10V

20 @ 5mA, 10V / 80 @ 5mA, 10V

200 @ 10mA, 2V / 30 @ 10mA, 5V

200 @ 1A, 2V

200 @ 1A, 5V

200 @ 1mA, 5V

3 @ 5mA, 10V

30 @ 10mA, 5V

30 @ 10mA, 5V / 140 @ 1A, 2V

30 @ 10mA, 5V / 150 @ 100mA, 2V

30 @ 10mA, 5V / 150 @ 2A, 2V

30 @ 10mA, 5V / 200 @ 1A, 2V

30 @ 10mA, 5V / 220 @ 500mA, 2V

30 @ 10mA, 5V / 300 @ 100mA, 5V

30 @ 20mA, 5V

30 @ 20mA, 5V / 140 @ 1A, 2V

30 @ 20mA, 5V / 150 @ 100mA, 2V

30 @ 20mA, 5V / 150 @ 2A, 2V

30 @ 20mA, 5V / 150 @ 500mA, 5V

30 @ 20mA, 5V / 200 @ 1A, 2V

30 @ 20mA, 5V / 200 @ 1mA, 5V

30 @ 20mA, 5V / 220 @ 500mA, 2V

30 @ 20mA, 5V / 300 @ 100mA, 5V

30 @ 5mA, 10V

30 @ 5mA, 5V

30 @ 5mA, 5V / 140 @ 100mA, 2V

30 @ 5mA, 5V / 140 @ 1A, 2V

30 @ 5mA, 5V / 150 @ 100mA. 2V

30 @ 5mA, 5V / 150 @ 2A, 2V

30 @ 5mA, 5V / 150 @ 500mA, 5V

30 @ 5mA, 5V / 200 @ 10mA, 2V

30 @ 5mA, 5V / 200 @ 1A, 2V

30 @ 5mA, 5V / 200 @ 1mA, 5V

30 @ 5mA, 5V / 210 @ 2mA, 10V

30 @ 5mA, 5V / 220 @ 500mA, 2V

30 @ 5mA, 5V / 270 @ 10mA, 2V

30 @ 5mA, 5V / 300 @ 100mA, 5V

35 @ 5mA, 10V

35 @ 5mA, 10V / 120 @ 1mA, 6V

35 @ 5mA, 10V / 15 @ 5mA, 10V

35 @ 5mA, 10V / 200 @ 2mA, 5V

35 @ 5mA, 10V / 220 @ 2mA, 5V

35 @ 5mA, 10V / 80 @ 5mA, 10V

35 @ 5mA, 5V / 80 @ 5mA, 5V

400 @ 1mA, 5V

50 @ 100mA, 10V

50 @ 10mA, 5V

50 @ 10mA, 5V / 40 @ 10mA, 5V

50 @ 5mA, 5V

56 @ 10mA, 5V

56 @ 5mA, 5V

60 @ 5mA, 10V

60 @ 5mA, 5V

60 @ 5mA, 5V / 140 @ 1A, 2V

60 @ 5mA, 5V / 150 @ 100mA, 2V

60 @ 5mA, 5V / 150 @ 500mA, 5V

60 @ 5mA, 5V / 180 @ 100mA, 2V

60 @ 5mA, 5V / 200 @ 10mA, 2V

60 @ 5mA, 5V / 200 @ 1A, 2V

60 @ 5mA, 5V / 220 @ 500mA, 2V

60 @ 5mA, 5V / 300 @ 100mA, 5V

68 @ 10mA, 5V

68 @ 5mA, 5V

68 @ 5mA, 5V / 30 @ 10mA, 5V

70 @ 10mA, 5V

70 @ 50mA, 5V

70 @ 5mA, 5V

8 @ 5mA, 10V

80 @ 10mA, 5V

80 @ 500mA, 2V

80 @ 5mA, 10V

80 @ 5mA, 10V / 100 @ 1mA, 10V

80 @ 5mA, 10V / 120 @ 1mA, 6V

80 @ 5mA, 10V / 120 @ 5mA, 10V

80 @ 5mA, 10V / 20 @ 5mA, 10V

80 @ 5mA, 10V / 220 @ 2mA, 5V

80 @ 5mA, 10V / 270 @ 10mA, 2V

80 @ 5mA, 10V / 30 @ 5mA, 10V

80 @ 5mA, 10V / 50 @ 100mA, 10V

80 @ 5mA, 1V

80 @ 5mA, 5V

80 @ 5mA, 5V / 100 @ 10mA, 5V

80 @ 5mA, 5V / 120 @ 1mA, 6V

80 @ 5mA, 5V / 150 @ 100mA, 2V

80 @ 5mA, 5V / 150 @ 500mA, 5V

80 @ 5mA, 5V / 200 @ 10mA, 2V

80 @ 5mA, 5V / 300 @ 100mA, 5V

82 @ 5mA, 5V

820 @ 10mA, 5V

820 @ 50mA, 5V

-

100MHz

100MHz, 200MHz

100MHz, 80MHz

130MHz

140MHz

150MHz

150MHz, 200MHz

150MHz, 80MHz

170MHz

170MHz, 150MHz

180MHz

185MHz

190MHz

200MHz

200MHz, 250MHz

210MHz

210MHz, 150MHz

225MHz

225MHz, 140MHz

230MHz

230MHz, 180MHz

250MHz

250MHz, 200MHz

250MHz, 280MHz

260MHz

280MHz

300MHz

300MHz, 250MHz

35MHz

80MHz

-

Automotive

Active

End of Life (EOL)

NRND(Not Recommended for New Designs)

Obsolescence Review In Progress

Obsolete

Surface Mount

5-SMD, Flat Leads

5-TSSOP, SC-70-5, SOT-353

6-SMD (5 Leads), Flat Leads

6-SMD, Flat Leads

6-TSSOP, SC-88, SOT-363

6-UDFN Exposed Pad

6-UFDFN Exposed Pad

6-VSSOP, SC-88, SOT-363

6-XFDFN Exposed Pad

8-SOIC (0.154", 3.90mm Width)

SC-61AA

SC-74, SOT-457

SC-74A, SOT-753

SOT-23-6

SOT-553

SOT-563, SOT-666

SOT-665

SOT-963

TO-243AA

5-SSOP

6-HUSON (2x2)

6-TSOP

6-TSSOP

8-SO

DFN1010B-6

DFN1412-6

DFN2020D-6

EMT6

ES6

ESV

MINI6-G1

Mini5-G1

Mini5-G3-B

Mini6-G4-B

PG-SC74-6

PG-SOT363-PO

SC-62

SC-74

SC-74R

SC-88/SC70-6/SOT-363

SC-88A (SC-70-5/SOT-353)

SM6

SMINI6-G1

SMQ

SMT5

SMT6

SMV

SMini5-F3-B

SMini5-G1

SMini6-F3-B

SOT-23-6

SOT-26

SOT-353

SOT-363

SOT-553

SOT-563

SOT-666

SOT-963

SSMINI6-F1

SSMini5-F2

SSMini5-F3

SSMini5-F4-B

SSMini6-F2

SSMini6-F3-B

SSSMini6-F1

UMT5

UMT6

US6

USV

Bulk

Cut Tape (CT)

Tape & Reel (TR)

-

1.5W

100mW

125mW

150mW

150mW, 120mW

187mW

1W

200mW

200mW, 250mW

200mW, 370mW

230mW

235mW

240mW

250mW

270mW

285mW

290mW

2W

300mW

330mW

338mW

339mW

350mW

357mW

360mW

385mW

408mW

420mW

480mW

500mW

600mW

760mW

-

AEC-Q100

AEC-Q101

-

100Ohms, 10kOhms

100kOhms

10kOhms

10kOhms, 100Ohms

10kOhms, 1kOhms

10kOhms, 22kOhms

10kOhms, 47kOhms

13kOhms, 130Ohms

175Ohms, 10kOhms

1kOhms

2.2kOhms

220Ohms

22kOhms

270Ohms

2kOhms

3.3kOhms

4.7kOhm

4.7kOhms

4.7kOhms, 10kOhms

4.7kOhms, 1kOhms

4.7kOhms, 22kOhms

4.7kOhms, 47kOhms

47kOhm

47kOhms

47kOhms, 10kOhms

47kOhms, 1kOhms

47kOhms, 2.2kOhms

47kOhms, 4.7kOhms

4kOhms

-

100kOhms

10kOhms

10kOhms, 47kOhms

175Ohms, 10kOhms

1kOhms

2.2kOhms

22kOhms

4.7kOhms

4.7kOhms, 10kOhms

4.7kOhms, 47kOhms

47kOhm

47kOhms

47kOhms, 10kOhms

47kOhms, 4.7kOhms

47kOhms, 47kOhms

*

-

DCX (XXXX) U

DDA (XXXX) U

DDC (XXXX) U

EMD

EMF

HD1

1 NPN - Pre-Biased, 1 PNP

1 NPN Pre-Biased, 1 NPN

1 NPN Pre-Biased, 1 PNP

1 NPN, 1 PNP - Pre - Biased (Base-Collector Junction)

1 NPN, 1 PNP - Pre-Biased

1 NPN, 1 PNP - Pre-Biased (Dual)

1 PNP Pre-Biased, 1 NPN

1 PNP Pre-Biased, 1 PNP

2 NPN - Pre-Biased

2 NPN - Pre-Biased (Dual)

2 NPN - Pre-Biased (Dual) (Emitter Coupled)

2 NPN, 1 PNP - Pre-Biased

2 PNP - Pre-Biased

2 PNP - Pre-Biased (Dual)

2 PNP - Pre-Biased (Dual) (Emitter Coupled)

2 PNP Pre-Biased (Dual)

NPN + PNP

NPN, PNP

-

100mV @ 2.5mA, 50mA

100mV @ 250µA, 5mA

100mV @ 3mA, 30mA

100mV @ 500µA, 10mA

150mV @ 2.5mA, 50mA

150mV @ 250µA, 5mA

150mV @ 500µA , 10mA

150mV @ 500µA, 10V / 260mV @ 100mA, 1.5A

150mV @ 500µA, 10V / 350mV @ 50mA, 500mA

150mV @ 500µA, 10mA

150mV @ 500µA, 10mA / 100mV @ 250µA, 5mA

150mV @ 500µA, 10mA / 200mV @ 5mA, 50mA

150mV @ 500µA, 10mA / 210mV @ 100mA, 1.8A

150mV @ 500µA, 10mA / 250mV @ 10mA, 100mA

150mV @ 500µA, 10mA / 250mV @ 50mA, 500mA

150mV @ 500µA, 10mA / 260mV @ 100mA, 1.5A

150mV @ 500µA, 10mA / 280mV @ 100mA, 1A

150mV @ 500µA, 10mA / 310mV @ 100mA, 1A

150mV @ 500µA, 10mA / 340mV @ 100mA, 1A

150mV @ 500µA, 10mA / 350mV @ 50mA, 500mA

150mV @ 500µA, 10mA / 355mV @ 300mA, 3A

150mV @ 500µA, 5mA

250mV @ 1mA, 10mA

250mV @ 1mA, 10mA / 250mV @ 300µA, 10mA

250mV @ 300nA, 10mA

250mV @ 300µA, 10mA

250mV @ 300µA, 10mA / 300mV @ 10mA, 100mA

250mV @ 300µA, 10mA / 1.2V @ 330µA, 50mA

250mV @ 300µA, 10mA / 250mV @ 10mA, 200mA

250mV @ 300µA, 10mA / 250mV @ 1mA, 10mA

250mV @ 300µA, 10mA / 250mV @ 5mA, 100mA

250mV @ 300µA, 10mA / 300mV @ 500µA, 10mA

250mV @ 300µA, 10mA / 400mV @ 5mA, 50mA

250mV @ 300µA, 10mA / 500mV @ 5mA, 50mA

250mV @ 300µA, 10mA / 600mV @ 5mA, 100mA

250mV @ 300µA, 10mA / 650mV @ 5mA, 100mA

250mV @ 500µA, 10mA

250mV @ 500µA, 10mA / 1.2V @ 330µA, 50mA

250mV @ 500µA, 10mA / 250mV @ 10mA, 200mA

250mV @ 500µA, 10mA / 250mV @ 5mA, 100mA

250mV @ 500µA, 10mA / 300mV @ 10mA, 100mA

250mV @ 5mA, 100mA

250mV @ 5mA, 10mA

250mV @ 5mA, 10mA / 500mV @ 5mA, 50mA

300mV @ 100µA, 1mA

300mV @ 1mA, 10mA

300mV @ 1mA, 10mA / 300mV @ 5mA, 100mA

300mV @ 2.5mA, 50mA

300mV @ 2.5mA, 5mA

300mV @ 250µA, 2.5mA

300mV @ 250µA, 5mA

300mV @ 250µA, 5mA / 300mV @ 500µA, 10mA

300mV @ 500µA, 10mA

300mV @ 500µA, 10mA / 250mV @ 10mA, 200mA

300mV @ 500µA, 10mA / 300mV @ 250µA, 5mA

300mV @ 5mA, 50mA / 300mV @ 1mA, 10mA

300mV @ 6mA, 300mA

350mV @ 50mA, 500mA / 150mV @ 500µA, 10mA

50mV @ 2.5mA, 50mA

80mV @ 2.5mA, 50mA