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

    MBRD350T4 Search Results

    SF Impression Pixel

    MBRD350T4 Price and Stock

    onsemi MBRD350T4G

    DIODE SCHOTTKY 50V 3A DPAK
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MBRD350T4G Cut Tape 2,486 1
    • 1 $0.93
    • 10 $0.628
    • 100 $0.93
    • 1000 $0.33634
    • 10000 $0.33634
    		Buy Now
    MBRD350T4G Digi-Reel 2,486 1
    • 1 $0.93
    • 10 $0.628
    • 100 $0.93
    • 1000 $0.33634
    • 10000 $0.33634
    		Buy Now
    MBRD350T4G Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.30704
    		Buy Now
    Avnet Americas MBRD350T4G Reel 10 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.24583
    		Buy Now
    Mouser Electronics MBRD350T4G 7,352
    • 1 $0.93
    • 10 $0.606
    • 100 $0.461
    • 1000 $0.331
    • 10000 $0.258
    		Buy Now
    RS MBRD350T4G Bulk 10
    • 1 -
    • 10 $0.54
    • 100 $0.513
    • 1000 $0.459
    • 10000 $0.459
    		Get Quote
    Onlinecomponents.com MBRD350T4G
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.2536
    		Buy Now
    Bristol Electronics MBRD350T4G 820
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MBRD350T4G 656
    • 1 $0.97
    • 10 $0.97
    • 100 $0.97
    • 1000 $0.388
    • 10000 $0.388
    		Buy Now
    TME MBRD350T4G 1
    • 1 $0.537
    • 10 $0.483
    • 100 $0.384
    • 1000 $0.334
    • 10000 $0.322
    		Get Quote
    Richardson RFPD MBRD350T4G 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.26
    		Buy Now
    Avnet Silica MBRD350T4G 11 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    EBV Elektronik MBRD350T4G 11 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    New Advantage Corporation MBRD350T4G 5,000 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3333
    		Buy Now

    Motorola Semiconductor Products MBRD350T4

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics MBRD350T4 9,027
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MBRD350T4 1,360
    • 1 $0.75
    • 10 $0.75
    • 100 $0.75
    • 1000 $0.3
    • 10000 $0.3
    		Buy Now

    onsemi MBRD350T4

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics MBRD350T4 734
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MBRD350T4 10,084
    • 1 $0.45
    • 10 $0.45
    • 100 $0.45
    • 1000 $0.45
    • 10000 $0.1575
    		Buy Now
    MBRD350T4 587
    • 1 $0.75
    • 10 $0.75
    • 100 $0.75
    • 1000 $0.3
    • 10000 $0.3
    		Buy Now
    ComSIT USA MBRD350T4 3,672
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote

    MBRD350T4 Datasheets (3)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    MBRD350T4 On Semiconductor Original PDF
    MBRD350T4 On Semiconductor SWITCHMODE Power Rectifier DPAK Surface Mount Package Original PDF
    MBRD350T4G On Semiconductor 3A 50V Schottky Rectifier Original PDF

    MBRD350T4 Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    dpak code

    Abstract: MBRD320 MBRD350 MBRD360 MBRD320G MBRD320RL MBRD320RLG MBRD330 MBRD340 MBRD330RL
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODE Power Rectifiers http://onsemi.com DPAK Surface Mount Package These state−of−the−art devices are designed for use as output rectifiers, free wheeling, protection and steering diodes in switching


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 MBRD320/D dpak code MBRD320 MBRD350 MBRD320G MBRD320RL MBRD320RLG MBRD330 MBRD330RL PDF

    IGBT Battery 120 watt Charger circuit diagrams

    Abstract: tl494 spice model four relay stabilizer circuit diagram 650 va gsm door lock circuit diagram MRC 433 mosfet MC34066 SOLUTION FOR SMPS USING TL494 MOSFET ESD Rated TL594 phone charger car power inverter TL494
    Text: BRD8016/D Rev. 0, Nov-2000 Wireless Component Solutions for Handsets and Accessories Wireless Component Solutions for Handsets and Accessories BRD8016/D Rev. 0, Nov–2000  SCILLC, 2000 “All Rights Reserved’’ WIRELESS EZFET is a trademark of Semiconductor Components Industries, LLC SCILLC .


    Original     		BRD8016/D Nov-2000 r14525 IGBT Battery 120 watt Charger circuit diagrams tl494 spice model four relay stabilizer circuit diagram 650 va gsm door lock circuit diagram MRC 433 mosfet MC34066 SOLUTION FOR SMPS USING TL494 MOSFET ESD Rated TL594 phone charger car power inverter TL494 PDF

    MBRM110LT1

    Abstract: MUR120RL MBRD330T4 1N5822 ss24 MUR240 MBRA120LT3 MBRD630CTT4 MBRD360
    Text: CHAPTER 4 Index http://onsemi.com 645 Rectifier Device Index Device Number Page Device Number 1N4001 26, 29 MBR1100 1N4002 26, 29 1N4003 Page Device Number Page 19, 68 MBR735 20, 161 MBR120ESFT1 15, 17, 71 MBR745 20, 161 26, 29 MBR120ESFT3 15, 17 MBRA120ET3


    Original     		1N4001 1N4002 1N4003 1N4004 1N4005 1N4006 1N4007 1N4933 1N4934 1N4935 MBRM110LT1 MUR120RL MBRD330T4 1N5822 ss24 MUR240 MBRA120LT3 MBRD630CTT4 MBRD360 PDF

    418B-04

    Abstract: MUR3020PT 1n5822 trr MR760RL SS16 SMB MBR2 mur460
    Text: Application Specific Rectifiers Table 1. Low VF Schottky Rectifiers Device IO Amps VRRM (Volts) VF @ Rated IO and TC = 25°C Volts (Max) IR @ Rated VRRM mAmps (Max) 0.5 1 1 2 1 4 8 10 20 25 25 25 25 30 40 200 400 400 600 20 20 10 10 30 10 35 35 30 35 35


    Original     		MBR0520LT1, MBR120LSFT1, MBRM110LT1, MBRA210LT3 MBRS130LT3 MBRS410LT3 MBRD835L MBRD1035CTL MBR2030CTL MBRB2535CTL 418B-04 MUR3020PT 1n5822 trr MR760RL SS16 SMB MBR2 mur460 PDF

    MBRD360

    Abstract: 351 D-PAK MARKING CODE 351 D-PAK MBRD320 MBRD330 MBRD340 MBRD350 D-PAK B340 MBRD330T4 B330
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODE Power Rectifiers http://onsemi.com DPAK Surface Mount Package SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES 20 TO 60 VOLTS . . . designed for use as output rectifiers, free wheeling, protection


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 r14525 MBRD320/D 351 D-PAK MARKING CODE 351 D-PAK MBRD320 MBRD330 MBRD350 D-PAK B340 MBRD330T4 B330 PDF

    mps2112

    Abstract: UC3842 smps design with TL431 MPS2111 dc motor speed control tl494 TRANSISTOR MPS2112 ic equivalent book ncp1203 mosfet triggering circuit USING TL494 smps with uc3842 and tl431 SG3526 tip122 tip127 mosfet audio amp
    Text: SG388/D Rev. 4, May-2002 Master Components Selector Guide Master Components Selector Guide ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular


    Original     		SG388/D May-2002 r14525 SG388 mps2112 UC3842 smps design with TL431 MPS2111 dc motor speed control tl494 TRANSISTOR MPS2112 ic equivalent book ncp1203 mosfet triggering circuit USING TL494 smps with uc3842 and tl431 SG3526 tip122 tip127 mosfet audio amp PDF

    MUR1560 equivalent

    Abstract: 1N4004 SMA S1A SOD 88 S1A MARKING CODE SOD 88 1N5189 ss33 sma Diode marking us1j diode 6a10 6TQ035 usd745c equivalent
    Text: MBRD835L Preferred Device SWITCHMODE Power Rectifier DPAK Surface Mount Package This SWITCHMODE power rectifier which uses the Schottky Barrier principle with a proprietary barrier metal, is designed for use as output rectifiers, free wheeling, protection and steering diodes in


    Original     		MBRD835L VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 MUR1560 equivalent 1N4004 SMA S1A SOD 88 S1A MARKING CODE SOD 88 1N5189 ss33 sma Diode marking us1j diode 6a10 6TQ035 usd745c equivalent PDF

    1n5822 trr

    Abstract: A14F diode FR105 diode MR850 diode A14A BYV27 200 TAP LT2A02 MBR3100 0630 1N4007 sod-123 SES50
    Text: MBRD1035CTL SWITCHMODE Schottky Power Rectifier DPAK Power Surface Mount Package . . . employing the Schottky Barrier principle in a large area metal–to–silicon power diode. State of the art geometry features epitaxial construction with oxide passivation and metal overlay


    Original     		MBRD1035CTL VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 1n5822 trr A14F diode FR105 diode MR850 diode A14A BYV27 200 TAP LT2A02 MBR3100 0630 1N4007 sod-123 SES50 PDF

    OZ 9983

    Abstract: mbr3045pt transistor 940 629 MOTOROLA 220 Motorola marking code K 652 TO-220 MUR3030 TRANSISTOR BC 456 Diode Marking 1N4007 Motorola 1N2069 A14F diode BYV33-45
    Text: MBRB3030CTL Advance Information SWITCHMODE Power Rectifier . . . using the Schottky Barrier principle with a proprietary barrier metal. These state–of–the–art devices have the following features: http://onsemi.com Features: • Dual Diode Construction —


    Original     		MBRB3030CTL VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 OZ 9983 mbr3045pt transistor 940 629 MOTOROLA 220 Motorola marking code K 652 TO-220 MUR3030 TRANSISTOR BC 456 Diode Marking 1N4007 Motorola 1N2069 A14F diode BYV33-45 PDF

    Diode 1N4007 DO-7 Rectifier Diode

    Abstract: FE8D marking BCV BA157* diode MUR160 SMa diode rgp10g MBRD360 cathode top 1n5619 1N2069 mur120 equivalent diode
    Text: MBRM120ET3 Surface Mount Schottky Power Rectifier POWERMITE Power Surface Mount Package The Schottky Powermite employs the Schottky Barrier principle with a barrier metal and epitaxial construction that produces optimal forward voltage drop–reverse current tradeoff. The advanced


    Original     		MBRM120ET3 VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 Diode 1N4007 DO-7 Rectifier Diode FE8D marking BCV BA157* diode MUR160 SMa diode rgp10g MBRD360 cathode top 1n5619 1N2069 mur120 equivalent diode PDF

    CS5170

    Abstract: mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control
    Text: SGD501/D REV 8, January 5, 2002 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION – Please see General Information Section EFFECTIVE DATE: JANUARY 5, 2002 General Information Elimination Of Ozone Depleting Chemicals . . . .


    Original     		SGD501/D Janua667 CS5170 mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control PDF

    SBRD8320

    Abstract: SBRD8360T4G MBRD360G MBRD360
    Text: MBRD320G, MBRD330G, MBRD340G, MBRD350G, MBRD360G, SBRD8320G, SBRD8330G, SBRD8340G, SBRD8350G, SBRD8360G MBRD320, MBRD340 and MBRD360 are Preferred Devices http://onsemi.com SWITCHMODE Power Rectifiers SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES, 20 − 60 VOLTS


    Original     		MBRD320G, MBRD330G, MBRD340G, MBRD350G, MBRD360G, SBRD8320G, SBRD8330G, SBRD8340G, SBRD8350G, SBRD8360G SBRD8320 SBRD8360T4G MBRD360G MBRD360 PDF

    MBRD360

    Abstract: MBRD320 MBRD330RL MBRD330T4 dc marking code dpak MBRD350
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODEt Power Rectifiers http://onsemi.com DPAK Surface Mount Package These state−of−the−art devices are designed for use as output rectifiers, free wheeling, protection and steering diodes in switching


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 MBRD320/D MBRD320 MBRD330RL MBRD330T4 dc marking code dpak MBRD350 PDF

    1500w audio amplifier circuit

    Abstract: Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G
    Text: SGD501/D REV 19, October 9, 2004 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION − Please see General Information Section EFFECTIVE DATE: OCTOBER 9, 2004  General Information ON Semiconductor Standard Policies


    Original     		SGD501/D 74VCX16373DT 74VCX16373DTR 74VCX16374DT 16BIT 74VCX16374DTR 80SQ045N 80SQ045NRL 1500w audio amplifier circuit Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G PDF

    D-PAK B340

    Abstract: b320 dpak MBRD360 marking 300 DPAK MBRD320 MBRD330 MBRD330RL MBRD330T4 dc marking code dpak DPAK marking code 300
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODE Power Rectifiers http://onsemi.com DPAK Surface Mount Package SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES 20 TO 60 VOLTS . . . designed for use as output rectifiers, free wheeling, protection


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 D-PAK B340 b320 dpak marking 300 DPAK MBRD320 MBRD330 MBRD330RL MBRD330T4 dc marking code dpak DPAK marking code 300 PDF

    stpr16

    Abstract: MUR480E 340L-02 PK MUR 460 BV 202 0158 1N541 AK SOT23 STPS2045 SS33 SMB A14F diode
    Text: MURB1620CT Preferred Device SWITCHMODE Power Rectifier D2PAK Power Surface Mount Package Designed for use in switching power supplies, inverters and as free wheeling diodes, these state–of–the–art devices have the following features: • • • •


    Original     		MURB1620CT VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 stpr16 MUR480E 340L-02 PK MUR 460 BV 202 0158 1N541 AK SOT23 STPS2045 SS33 SMB A14F diode PDF

    b2545 transistor

    Abstract: TO220 MUR460 BYV43-45 MUR 460 0801 MR756RL MUR420 diode b2535 equivalent transistor B2535 6A10 BL diode diode A14A surface
    Text: MBR2535CT, MBR2545CT MBR2545CT is a Preferred Device SWITCHMODE Power Rectifiers . . . using the Schottky Barrier principle with a platinum barrier metal. These state–of–the–art devices have the following features: • Guardring for Stress Protection


    Original     		MBR2535CT, MBR2545CT MBR2545CT B2535, B2545 VHE205 VHE210 VHE215 VHE220 VHE2401 b2545 transistor TO220 MUR460 BYV43-45 MUR 460 0801 MR756RL MUR420 diode b2535 equivalent transistor B2535 6A10 BL diode diode A14A surface PDF

    MR2835S equivalent

    Abstract: A14F diode 1n5404 diode FE16A MUR860 equivalent MUR1620CT MUR420 diode usd745c equivalent MBRD360 PR1502
    Text: MBR6045PT SWITCHMODE Power Rectifier The SWITCHMODE power rectifier employs the use of the Schottky Barrier principle with a Platinum barrier metal. This state-of-the-art device has the following features: http://onsemi.com • Dual Diode Construction — Terminals 1 and 3 May Be Connected


    Original     		MBR6045PT VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 MR2835S equivalent A14F diode 1n5404 diode FE16A MUR860 equivalent MUR1620CT MUR420 diode usd745c equivalent MBRD360 PR1502 PDF

    MBRD360

    Abstract: No abstract text available
    Text: MBRD320G, MBRD330G, MBRD340G, MBRD350G, MBRD360G, SBRD8320G, SBRD8330G, SBRD8340G, SBRD8350G, SBRD8360G MBRD320, MBRD340 and MBRD360 are Preferred Devices http://onsemi.com SWITCHMODE Power Rectifiers SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES, 20 − 60 VOLTS


    Original     		MBRD320G, MBRD330G, MBRD340G, MBRD350G, MBRD360G, SBRD8320G, SBRD8330G, SBRD8340G, SBRD8350G, SBRD8360G MBRD360 PDF

    MBRD360

    Abstract: MBRD320 MBRD350 MBRD320G MBRD320RL MBRD320RLG MBRD330 MBRD340 DPak Package size MBRD330RL
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODEt Power Rectifiers http://onsemi.com DPAK Surface Mount Package SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES, 20 − 60 VOLTS Designed for use as output rectifiers, free wheeling, protection and


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 MBRD320/D MBRD320 MBRD350 MBRD320G MBRD320RL MBRD320RLG MBRD330 DPak Package size MBRD330RL PDF

    ANA 618

    Abstract: voltage regulator ana 618 NZSMB15CAT3 GP 809 DIODE 1500w audio amplifier circuit SPEED CONTROL of DC MOTOR tda1085c CS5170 ANA 618* voltage regulator 12 VOLT 2 AMP smps diode 1n4007 MIC MAKE
    Text: SGD501/D REV 13, April 12, 2003 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION - Please see General Information Section EFFECTIVE DATE: APRIL 12, 2003  General Information Elimination Of Ozone Depleting Chemicals . . . .


    Original     		SGD501/D ANA 618 voltage regulator ana 618 NZSMB15CAT3 GP 809 DIODE 1500w audio amplifier circuit SPEED CONTROL of DC MOTOR tda1085c CS5170 ANA 618* voltage regulator 12 VOLT 2 AMP smps diode 1n4007 MIC MAKE PDF

    MBRD360

    Abstract: dpak MBRD360T4G MBRD320 MBRD330 MBRD330RL MBRD330T4 MBRD340 MBRD350
    Text: MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD320, MBRD340 and MBRD360 are Preferred Devices SWITCHMODEt Power Rectifiers http://onsemi.com DPAK Surface Mount Package SCHOTTKY BARRIER RECTIFIERS 3.0 AMPERES, 20 − 60 VOLTS Designed for use as output rectifiers, free wheeling, protection and


    Original     		MBRD320, MBRD330, MBRD340, MBRD350, MBRD360 MBRD340 MBRD360 dpak MBRD360T4G MBRD320 MBRD330 MBRD330RL MBRD330T4 MBRD350 PDF

    MUR1560 equivalent

    Abstract: 1N4936 equivalent MUR1100E equivalent 1N5404 equivalent MUR620CT equivalent mur420 equivalent MUR1620CT equivalent BYV19-45 MUR1660CT equivalent MUR1520 equivalent
    Text: Index and Cross Reference The following table represents an index and cross reference guide for all rectifier devices which are either manufactured directly by ON Semiconductor or for which ON Semiconductor manufactures a suitable equivalent. Where the ON


    Original     		MR852 VHE1401 VHE1402 VHE1403 VHE1404 VHE205 VHE210 MUR1560 equivalent 1N4936 equivalent MUR1100E equivalent 1N5404 equivalent MUR620CT equivalent mur420 equivalent MUR1620CT equivalent BYV19-45 MUR1660CT equivalent MUR1520 equivalent PDF

    mur1650

    Abstract: T4 SOD-123 1N4004 MR2510 1N2069 SES5001 mur420 equivalent CT PR1504 equivalent for fr302 diode mur 460 switch diode A14A surface mount
    Text: MBRB1045 Preferred Device SWITCHMODE Power Rectifier D2PAK Surface Mount Power Package The D2PAK Power Rectifier employs the Schottky Barrier principle in a large metal–to–silicon power diode. State–of–the–art geometry features epitaxial construction with oxide passivation and


    Original     		MBRB1045 VHE205 VHE210 VHE215 VHE220 VHE2401 VHE2402 VHE2403 VHE2404 VHE605 mur1650 T4 SOD-123 1N4004 MR2510 1N2069 SES5001 mur420 equivalent CT PR1504 equivalent for fr302 diode mur 460 switch diode A14A surface mount PDF