Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    B0530W Search Results

    SF Impression Pixel

    B0530W Price and Stock

    Micro Commercial Components B0530WS-TP

    DIODE SCHOTTKY 30V 500MA SOD323
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey B0530WS-TP Reel 33,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.04765
    Buy Now
    Mouser Electronics B0530WS-TP 14,162
    • 1 $0.19
    • 10 $0.122
    • 100 $0.054
    • 1000 $0.049
    • 10000 $0.035
    Buy Now
    TME B0530WS-TP 25
    • 1 -
    • 10 -
    • 100 $0.0491
    • 1000 $0.0434
    • 10000 $0.039
    Get Quote

    Diodes Incorporated B0530W-7-F

    DIODE SCHOTTKY 30V 500MA SOD123
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey B0530W-7-F Cut Tape 25,364 1
    • 1 $0.18
    • 10 $0.121
    • 100 $0.18
    • 1000 $0.05559
    • 10000 $0.05559
    Buy Now
    B0530W-7-F Digi-Reel 25,364 1
    • 1 $0.18
    • 10 $0.121
    • 100 $0.18
    • 1000 $0.05559
    • 10000 $0.05559
    Buy Now
    B0530W-7-F Reel 24,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.04713
    Buy Now
    Avnet Americas B0530W-7-F Reel 36,000 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.025
    Buy Now
    B0530W-7-F Reel 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0252
    Buy Now
    B0530W-7-F Ammo Pack 32 Weeks, 4 Days 5
    • 1 $0.338
    • 10 $0.237
    • 100 $0.117
    • 1000 $0.117
    • 10000 $0.117
    Buy Now
    Mouser Electronics B0530W-7-F 245,312
    • 1 $0.18
    • 10 $0.116
    • 100 $0.053
    • 1000 $0.049
    • 10000 $0.031
    Buy Now
    Arrow Electronics B0530W-7-F 135,000 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0254
    Buy Now
    B0530W-7-F 132,000 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0239
    Buy Now
    B0530W-7-F 15,000 12 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0254
    Buy Now
    B0530W-7-F 9,000 12 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0254
    Buy Now
    B0530W-7-F Cut Strips 936 8 Weeks 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.0362
    • 10000 $0.0362
    Buy Now
    Newark B0530W-7-F Cut Tape 149,795 5
    • 1 $0.024
    • 10 $0.024
    • 100 $0.024
    • 1000 $0.024
    • 10000 $0.024
    Buy Now
    B0530W-7-F Reel 36,000 3,000
    • 1 $0.037
    • 10 $0.037
    • 100 $0.037
    • 1000 $0.037
    • 10000 $0.037
    Buy Now
    RS B0530W-7-F Bulk 100
    • 1 -
    • 10 -
    • 100 $0.087
    • 1000 $0.087
    • 10000 $0.087
    Get Quote
    Bristol Electronics B0530W-7-F 9,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    B0530W-7-F 8,803
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    B0530W-7-F 987 31
    • 1 -
    • 10 -
    • 100 $0.0825
    • 1000 $0.0495
    • 10000 $0.0495
    Buy Now
    B0530W-7-F 974
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components B0530W-7-F 10,810
    • 1 $0.0608
    • 10 $0.0608
    • 100 $0.0608
    • 1000 $0.0608
    • 10000 $0.0198
    Buy Now
    B0530W-7-F 7,200
    • 1 $0.152
    • 10 $0.152
    • 100 $0.0684
    • 1000 $0.0456
    • 10000 $0.0456
    Buy Now
    B0530W-7-F 6,080
    • 1 $0.4
    • 10 $0.4
    • 100 $0.4
    • 1000 $0.12
    • 10000 $0.08
    Buy Now
    B0530W-7-F 2,940
    • 1 $1
    • 10 $1
    • 100 $1
    • 1000 $0.4
    • 10000 $0.35
    Buy Now
    B0530W-7-F 1,022
    • 1 $0.21
    • 10 $0.21
    • 100 $0.063
    • 1000 $0.042
    • 10000 $0.042
    Buy Now
    B0530W-7-F 789
    • 1 $0.22
    • 10 $0.22
    • 100 $0.066
    • 1000 $0.044
    • 10000 $0.044
    Buy Now
    B0530W-7-F 216
    • 1 $0.7
    • 10 $0.7
    • 100 $0.315
    • 1000 $0.21
    • 10000 $0.21
    Buy Now
    TME B0530W-7-F 2,804 1
    • 1 $0.2925
    • 10 $0.0853
    • 100 $0.0444
    • 1000 $0.0344
    • 10000 $0.0331
    Buy Now
    ComSIT USA B0530W-7-F 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Asia B0530W-7-F 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.02558
    Buy Now
    Avnet Silica B0530W-7-F 5,568,000 10 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    New Advantage Corporation B0530W-7-F 1,365,000 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.028
    Buy Now
    Win Source Electronics B0530W-7-F 445,365
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0224
    Buy Now

    Suzhou Good-Ark Electronics Co Ltd GSB0530W

    DIODE, SCHOTTKY, 500MA, 30V, SOD
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey GSB0530W Digi-Reel 11,830 1
    • 1 $0.15
    • 10 $0.101
    • 100 $0.15
    • 1000 $0.04588
    • 10000 $0.04588
    Buy Now
    GSB0530W Cut Tape 11,830 1
    • 1 $0.15
    • 10 $0.101
    • 100 $0.15
    • 1000 $0.04588
    • 10000 $0.04588
    Buy Now
    GSB0530W Reel 9,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.03873
    Buy Now

    Suzhou Good-Ark Electronics Co Ltd GSB0530WS

    DIODE, SCHOTTKY, 0.5A, 30V, SOD-
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey GSB0530WS Digi-Reel 2,800 1
    • 1 $0.14
    • 10 $0.097
    • 100 $0.14
    • 1000 $0.04397
    • 10000 $0.04397
    Buy Now
    GSB0530WS Cut Tape 2,800 1
    • 1 $0.14
    • 10 $0.097
    • 100 $0.14
    • 1000 $0.04397
    • 10000 $0.04397
    Buy Now

    EVVO Semiconductor B0530WS

    30V, 0.5A, SCHOTTKY DI, SOD-323F
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey B0530WS Digi-Reel 1,220 1
    • 1 $0.21
    • 10 $0.141
    • 100 $0.21
    • 1000 $0.06475
    • 10000 $0.06475
    Buy Now
    B0530WS Cut Tape 1,220 1
    • 1 $0.21
    • 10 $0.141
    • 100 $0.21
    • 1000 $0.06475
    • 10000 $0.06475
    Buy Now

    B0530W Datasheets (31)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    B0530W Diodes 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Original PDF
    B0530W Diodes 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Original PDF
    B0530W Diodes Short Form Selection Guide Original PDF
    B0530W Galaxy Semi-Conductor Holdings Schottky Barrier Diode Original PDF
    B0530W Jiangsu Changjiang Electronics Technology SCHOTTKY RECTIFIER Original PDF
    B0530W Taiwan Semiconductor 0.5A Surface Mount Schottky Barrier Rectifier Original PDF
    B0530W Taiwan Semiconductor 0.5 Amp Surface Mount Schottky Barrier Rectifiers Original PDF
    B0530W Transys Electronics SCHOTTKY BARRIER DIODE Original PDF
    B0530W Weitron Surface Mount Schottky Barrier Diodes Original PDF
    B0530W Vishay 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Scan PDF
    B0530W-7 Diodes Diodes, Rectifiers - Single, Discrete Semiconductor Products, DIODE SCHOTTKY 30V 0.5A SOD123 Original PDF
    B0530W-7 Diodes 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Original PDF
    B0530W-7 Diodes 0.5 A Surface Mount Schottky Barrier Rectifier Original PDF
    B0530W-7-F Diodes RECTIFIER SCHOTTKY SINGLE 0.5A 30V 5.5A-Ifsm 0.43Vf 0.13A-IR SOD-123 3K/REEL Original PDF
    B0530WF RHG Taiwan Semiconductor Discrete Semiconductor Products - Diodes - Rectifiers - Single - DIODE SCHOTTKY 30V 500MA SOD123F Original PDF
    B0530W RHG Taiwan Semiconductor Discrete Semiconductor Products - Diodes - Rectifiers - Single - DIODE SCHOTTKY 30V 500MA SOD123 Original PDF
    B0530WS Diodes SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Original PDF
    B0530WS Diodes SURFACE MOUNT SCHOTTKY BARRIER DIODE Original PDF
    B0530WS Kexin Surface Mount Schottky Barrier Rectifiers Original PDF
    B0530WS Taiwan Semiconductor Rectifier: Schottky Original PDF

    B0530W Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    B0530W

    Abstract: B0530WS B0530WS-7 B0530WS-7-F J-STD-020A MIL-STD-202 METHOD 208
    Text: B0530WS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SPICE MODEL: B0530WS Features • · · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance Available in Lead Free Version SOD-323 D H J Mechanical Data · · · · ·


    Original
    PDF B0530WS OD-323 OD-323, J-STD-020A MIL-STD-202, DS30249 B0530W B0530WS B0530WS-7 B0530WS-7-F J-STD-020A MIL-STD-202 METHOD 208

    Diode f14

    Abstract: No abstract text available
    Text: B0520LW,B0530W,B0540W 410mW, Low VF SMD Schottky Barrier Diode Small Signal Product Features SOD-123 ◇ Low power loss, high current capability, low VF ◇ Surface device type mounting ◇ Moisture sensitivity level 1 ◇ Matte Tin Sn lead finish with Nickel(Ni) underplate


    Original
    PDF B0520LW B0530W B0540W 410mW, OD-123 OD-123 MIL-STD-202, C/10s B0520LW B0530W Diode f14

    MCC 25 12

    Abstract: No abstract text available
    Text: MCC   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# TM Micro Commercial Components B0530WS Features 0.5 Amp Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information


    Original
    PDF B0530WS OD323 MCC 25 12

    Untitled

    Abstract: No abstract text available
    Text: WE IT R ON B0530W/B0540W Surface Mount Schottky Barrier Diodes Features: *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-123 Package Description: These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping,


    Original
    PDF B0530W/B0540W OD-123 OD-123 B0540W B0530W

    sd diode sod-323

    Abstract: B0520LWS B0530WS B0540WS
    Text: B0520LWS B0530WS/B0540WS Surface Mount Schottky Barrier Diode P b Lead Pb -Free Features: SCHOTTKY DIODE 500 mAMPERS 20-40 VOLTS * Low Forward Voltage Drop * Guard Ring Construction forTransient Protection * High Conductance 1 2 Mechanical Data: * Case: SOD-323


    Original
    PDF B0520LWS B0530WS/B0540WS OD-323 MIL-STD-202, OD-323 19-May-06 19-May-06 sd diode sod-323 B0520LWS B0530WS B0540WS

    Untitled

    Abstract: No abstract text available
    Text: MCC B0530WS   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# TM Micro Commercial Components Features 0.5 Amp Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information


    Original
    PDF B0530WS OD323

    Untitled

    Abstract: No abstract text available
    Text: MCC   omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# TM Micro Commercial Components B0530WS Features 0.5 Amp Lead Free Finish/RoHS Compliant "P" Suffix designates RoHS Compliant. See ordering information


    Original
    PDF B0530WS OD323

    Untitled

    Abstract: No abstract text available
    Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-323 Plastic-Encapsulate Diodes SOD-323 B0520WS/B0530WS/B0540WS SCHOTTKY BARRIER DIODE FEATURES z Low Forward Voltage Drop z Guard Ring Construction for Transient Protection z High Conductance z Also Available in Lead Free Version


    Original
    PDF OD-323 OD-323 B0520WS/B0530WS/B0540WS B0520WS: B0530WS: B0540WS: B0530WS B0540WS B0520WS

    Untitled

    Abstract: No abstract text available
    Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-123 Plastic-Encapsulate Diodes SOD-123 B0520LW/B0530W/B0540W SCHOTTKY BARRIER DIODE + FEATURES z Low Forward Voltage Drop z Guard Ring Construction for Transient Protection z High Conductance z Also Available in Lead Free Version


    Original
    PDF OD-123 OD-123 B0520LW/B0530W/B0540W B0520LW B0530W: B0540W: B0530W B0540W B0520LW

    Untitled

    Abstract: No abstract text available
    Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-123 Plastic-Encapsulate Diode B0530W SOD-123 SCHOTTKY BARRIER DIODE FEATURES PD: 1. 05 Power dissipation 410 mW Tamb=25℃ 2. 70 3. 70 0. 55 1. 6 Collector current 5.5 A IF: Collector-base voltage 30 V


    Original
    PDF OD-123 B0530W OD-123

    computer motherboard pcb and components

    Abstract: B0530WS PC motherboard smps circuit computer SMPS computer smps circuit intel motherboard RB551V-30 motherboard power on circuit intel pentium d 805
    Text: New Product Announcement October 2001 Introducing Our New Highly Efficient 0.5 amp Schottky Low Forward Voltage Rectifier in SOD-323 Package: B0530WS! E D SOD-323 A B G H Dim Min Max A 2.30 2.70 B 1.60 1.80 C 1.20 1.40 D C J E 0.25 0.35 G 0.20 0.40 H 0.10


    Original
    PDF OD-323 B0530WS! OD-323 450mV 360mV 500mA. RB551V-30 B0530WS computer motherboard pcb and components PC motherboard smps circuit computer SMPS computer smps circuit intel motherboard RB551V-30 motherboard power on circuit intel pentium d 805

    Untitled

    Abstract: No abstract text available
    Text: B0520LW/B0530W/B0540W 0.5Ampere Schottky Dides SOD-123 0.022 0.55 Typ. Min. 0.053(1.35) Max. Features Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance Also Available in Lead Free Version 0.152(3.85) 0.140(3.55) 0.112(2.85)


    Original
    PDF B0520LW/B0530W/B0540W OD-123 B0520LW: B0530W: B0540W: B0540W B0520LW B0530W

    B0530WS

    Abstract: B0530WS-7-F J-STD-020D
    Text: B0530WS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Please click here to visit our online spice models database. Features • • • • • Mechanical Data • • Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance Lead, Halogen and Antimony Free, RoHS Compliant


    Original
    PDF B0530WS AEC-Q101 OD-323 J-STD-020D MIL-STD-202, DS30249 B0530WS B0530WS-7-F J-STD-020D

    Untitled

    Abstract: No abstract text available
    Text: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-323 Plastic-Encapsulate Diodes SOD-323 B0520WS/B0530WS/B0540WS SCHOTTKY BARRIER DIODE FEATURES z Low Forward Voltage Drop z Guard Ring Construction for Transient Protection z High Conductance z Also Available in Lead Free Version


    Original
    PDF OD-323 OD-323 B0520WS/B0530WS/B0540WS B0520WS: B0530WS: B0540WS: B0530WS B0540WS B0520WS

    Untitled

    Abstract: No abstract text available
    Text: B0530W 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER NEW PRODUCT Features • · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance E D SOD-123 Mechanical Data · · · · · Dim Min Max A 3.55 3.85 B 2.55 2.85 C 1.40


    Original
    PDF B0530W OD-123, MIL-STD-202, OD-123 B0530W-7 3000/Tape com/datasheets/ap02007 DS30139

    Untitled

    Abstract: No abstract text available
    Text: B0530WS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER NEW PRODUCT Features • · · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance Available in Lead Free Version SOD-323 D H J Mechanical Data · · · · · · · G


    Original
    PDF B0530WS OD-323 OD-323, J-STD-020A MIL-STD-202, B0530WS-7-F. DS30249

    Untitled

    Abstract: No abstract text available
    Text: B0530W - B0540W 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER NEW PRODUCT Features • · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance E D SOD-123 Mechanical Data · · · · Case: SOD-123, Plastic Polarity: Cathode Band


    Original
    PDF B0530W B0540W OD-123 OD-123, MIL-STD-202, B0540W 300ms, DS30051

    Transistor S8550 2TY

    Abstract: Schottky barrier sot-23 Marking s4 sk 8050s KL4 SOT-23 d882 to-92 BR S8050 bq d882 transistor D882 datasheet S8050 equivalent PCR100-6
    Text: DIODES IN SOD-123 1N4148W 1N4448W 1N5711W* 1N6263W* B0520LW B0530W B0540W B5817W B5818W B5819W BAT42W BAT43W BAT46W* BAV16W BAV19W BAV20W BAV21W SD101AW* SD101BW* SD101CW* SD103AW SD103BW SD103CW PD VR V IFM(mA) IR( A) (mW) 350 75 350 75 250


    Original
    PDF OD-123 1N4148W 1N4448W 1N5711W* 1N6263W* B0520LW B0530W B0540W B5817W B5818W Transistor S8550 2TY Schottky barrier sot-23 Marking s4 sk 8050s KL4 SOT-23 d882 to-92 BR S8050 bq d882 transistor D882 datasheet S8050 equivalent PCR100-6

    BL 05A

    Abstract: SOD123 CODE S SOD123 MARKING CODE ON SOD-123 B0520LW B0530W B0540W Schottky Diode 20V 20A sod-123 marking code DV
    Text: BL Galaxy Electrical Production specification Schottky Barrier Diode B0520LW/B0530W/B0540W FEATURES z z Low forward voltage drop. Guard ring construction for transient Protection. z High conductance. Pb Lead-free APPLICATIONS z 0.5A surface mount schottky barrier rectifier.


    Original
    PDF B0520LW/B0530W/B0540W OD-123 B0520LW B0530W B0540W BL 05A SOD123 CODE S SOD123 MARKING CODE ON SOD-123 B0520LW B0530W B0540W Schottky Diode 20V 20A sod-123 marking code DV

    marking se

    Abstract: B0530W
    Text: B0530W SOD-123 SCHOTTKY BARRIER DIODE FEATURES PD: 1. 05 Power dissipation 410 mW Tamb=25℃ 2. 70 3. 70 0. 55 1. 6 Collector current 5.5 A IF: Collector-base voltage 30 V VR: Operating and storage junction temperature range Unit: mm TJ, Tstg: -55℃ to +150℃


    Original
    PDF B0530W OD-123 marking se B0530W

    SE 40 RECTIFIER

    Abstract: SOD-323F J-STD-020A B0520WS B0530WS
    Text: Preliminary B0520WS THRU B0530WS 0.5A Surface Mount Schottky Barrier Rectifier Voltage Range 20 to 30 Volts 235m Watts Power Dissipation SOD-323F Features — — — — Low forward voltage drop Guard ring construction for transient protection High conductance


    Original
    PDF B0520WS B0530WS OD-323F OD-323F, J-STD-020A MIIL-STD-202, 25ambient B0530WS) SE 40 RECTIFIER SOD-323F J-STD-020A B0530WS

    Untitled

    Abstract: No abstract text available
    Text: B0530W Lead-free 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SPICE MODEL: B0530W Features • · · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection SOD-123 High Conductance Lead Free/RoHS Compliant Note 3 Mechanical Data ·


    Original
    PDF B0530W OD-123 J-STD-020C MIL-STD-202, DS30139

    Untitled

    Abstract: No abstract text available
    Text: SPICE MODEL: B0530WS B0530WS SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Features • · · · · Low Forward Voltage Drop Guard Ring Construction for Transient Protection SOD-323 High Conductance Lead Free/RoHS Compliant Note 3 Qualified to AEC-Q101 Standards for High Reliability


    Original
    PDF B0530WS AEC-Q101 OD-323 J-STD-020C MIL-STD-202, DS30249

    B0520LV

    Abstract: B0520LW B0530W marking se marking SD
    Text: B0520LW / B0530W 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER Features Low Forward Voltage Drop Guard Ring Construction for Transient Protection High Conductance I ^ dH HEh- Mechanical Data A B Case: SO D -123, Plastic Polarity: Cathode Band Leads: Solderable per M IL-STD-202,


    OCR Scan
    PDF B0520LW B0530W OD-123, MIL-STD-202, B0530W OD-123 B0520LV 300ns DS30117 B0520LV marking se marking SD