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

    MH4516 Search Results

    SF Impression Pixel

    MH4516 Price and Stock

    TAIYO YUDEN FBMH4516HM851NT

    FERRITE BEAD 850 OHM 1806 1LN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey FBMH4516HM851NT Cut Tape 6,747 1
    • 1 $0.46
    • 10 $0.319
    • 100 $0.2184
    • 1000 $0.14274
    • 10000 $0.14274
    Buy Now
    FBMH4516HM851NT Digi-Reel 6,747 1
    • 1 $0.46
    • 10 $0.319
    • 100 $0.2184
    • 1000 $0.14274
    • 10000 $0.14274
    Buy Now
    FBMH4516HM851NT Reel 4,000 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.125
    Buy Now
    Avnet Americas FBMH4516HM851NT Reel 7 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.125
    Buy Now
    Mouser Electronics FBMH4516HM851NT 3,486
    • 1 $0.45
    • 10 $0.246
    • 100 $0.218
    • 1000 $0.143
    • 10000 $0.125
    Buy Now
    Newark FBMH4516HM851NT Cut Tape 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.216
    • 10000 $0.216
    Buy Now
    FBMH4516HM851NT Reel 2,000
    • 1 $0.176
    • 10 $0.176
    • 100 $0.176
    • 1000 $0.176
    • 10000 $0.159
    Buy Now
    TTI FBMH4516HM851NT Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.125
    Buy Now

    TAIYO YUDEN FBMH4516HM851NTV

    FERRITE BEAD 850 OHM 1806 1LN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey FBMH4516HM851NTV Digi-Reel 1,649 1
    • 1 $0.65
    • 10 $0.455
    • 100 $0.3097
    • 1000 $0.19996
    • 10000 $0.19996
    Buy Now
    FBMH4516HM851NTV Cut Tape 1,649 1
    • 1 $0.65
    • 10 $0.455
    • 100 $0.3097
    • 1000 $0.19996
    • 10000 $0.19996
    Buy Now
    FBMH4516HM851NTV Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.1875
    Buy Now
    Avnet Americas FBMH4516HM851NTV Reel 7 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.19396
    Buy Now
    Mouser Electronics FBMH4516HM851NTV 2,321
    • 1 $0.64
    • 10 $0.345
    • 100 $0.307
    • 1000 $0.2
    • 10000 $0.187
    Buy Now
    Newark FBMH4516HM851NTV Reel 2,000
    • 1 $0.264
    • 10 $0.264
    • 100 $0.264
    • 1000 $0.264
    • 10000 $0.239
    Buy Now
    TTI FBMH4516HM851NTV Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.188
    Buy Now
    ComSIT USA FBMH4516HM851NTV 12,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Master Electronics FBMH4516HM851NTV 2,000
    • 1 -
    • 10 -
    • 100 $0.3342
    • 1000 $0.2772
    • 10000 $0.2295
    Buy Now

    Bourns Inc MH4516-600Y

    FERRITE BEAD 60 OHM 1806 1LN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MH4516-600Y Digi-Reel 1 1
    • 1 $0.1
    • 10 $0.1
    • 100 $0.1
    • 1000 $0.1
    • 10000 $0.1
    Buy Now
    MH4516-600Y Cut Tape 1 1
    • 1 $0.1
    • 10 $0.1
    • 100 $0.1
    • 1000 $0.1
    • 10000 $0.1
    Buy Now
    MH4516-600Y Reel
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Avnet Americas MH4516-600Y Reel 2,000 12 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.07208
    Buy Now
    Mouser Electronics MH4516-600Y 5,450
    • 1 $0.1
    • 10 $0.1
    • 100 $0.1
    • 1000 $0.088
    • 10000 $0.074
    Buy Now
    Newark MH4516-600Y Cut Tape 4,014 5
    • 1 $0.127
    • 10 $0.127
    • 100 $0.127
    • 1000 $0.127
    • 10000 $0.127
    Buy Now
    MH4516-600Y Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.083
    Buy Now
    Onlinecomponents.com MH4516-600Y
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0779
    Buy Now
    Bristol Electronics MH4516-600Y 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components MH4516-600Y 800
    • 1 $0.462
    • 10 $0.462
    • 100 $0.2079
    • 1000 $0.1386
    • 10000 $0.1386
    Buy Now
    TTI MH4516-600Y Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.072
    Buy Now
    Avnet Abacus MH4516-600Y Reel 15 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Master Electronics MH4516-600Y
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0779
    Buy Now

    Bourns Inc MH4516-750Y

    FERRITE BEAD 75 OHM 1806 1LN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MH4516-750Y Reel
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    MH4516-750Y Cut Tape
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    MH4516-750Y Digi-Reel 1
    • 1 $0.24
    • 10 $0.24
    • 100 $0.24
    • 1000 $0.24
    • 10000 $0.24
    Buy Now
    Avnet Americas MH4516-750Y Reel 12 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.07208
    Buy Now
    Mouser Electronics MH4516-750Y 3,632
    • 1 $0.28
    • 10 $0.192
    • 100 $0.132
    • 1000 $0.088
    • 10000 $0.066
    Buy Now
    Newark MH4516-750Y Cut Tape 2,000 5
    • 1 $0.262
    • 10 $0.207
    • 100 $0.138
    • 1000 $0.119
    • 10000 $0.119
    Buy Now
    MH4516-750Y Reel 2,000
    • 1 $0.112
    • 10 $0.112
    • 100 $0.112
    • 1000 $0.112
    • 10000 $0.092
    Buy Now
    Onlinecomponents.com MH4516-750Y 5,750
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0795
    Buy Now
    TTI MH4516-750Y Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.88
    Buy Now
    Avnet Abacus MH4516-750Y Reel 15 Weeks 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Master Electronics MH4516-750Y
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0795
    Buy Now

    Bourns Inc MH4516-102Y

    FERRITE BEAD 1 KOHM 1806 1LN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MH4516-102Y Reel
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Avnet Americas MH4516-102Y Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    MH4516 Datasheets (10)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    MH4516-102Y Bourns Ferrite Beads and Chips, Filters, BEAD FERRITE 1000 OHM 1.5A 4516 Original PDF
    MH4516-102Y Bourns MAGNETICS - FERRITE CHIP BEAD Original PDF
    MH4516-102Y Bourns Inductor: High Current: Chip: 1000: 25%: 100M: Ferrite: 1.5 Original PDF
    MH4516-600Y Bourns Ferrite Beads and Chips, Filters, BEAD FERRITE 60 OHM 6.0A 1806 Original PDF
    MH4516-600Y Bourns SMD Ferrite Bead Impedance 60ohms IDC 6.0 Original PDF
    MH4516-600Y Bourns Inductor: Bead: Chip: 60: 25%: 100M: Ferrite: 6 Original PDF
    MH4516-750Y Bourns Ferrite Beads and Chips, Filters, BEAD FERRITE 75 OHM 3A 4516 Original PDF
    MH4516-750Y Bourns SMD Ferrite Bead Impedance 75ohms IDC 3.0 Original PDF
    MH4516-800Y Bourns Ferrite Beads and Chips, Filters, BEAD FERRITE 80 OHM 3A 4516 Original PDF
    MH4516-800Y Bourns SMD Ferrite Bead Impedance 80ohms IDC 3.0 Original PDF

    MH4516 Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    Untitled

    Abstract: No abstract text available
    Text: CO M PL IA NT Features • High resistance to heat and humidity *R oH S ■ Resistance to mechanical shock and pressure ■ Accurate dimensions for automatic surface mounting ■ Wide impedance range ■ RoHS compliant* The model MH4532 and MH4516 series as


    Original
    MH4532 MH4516 MH3261-190Y MH3261-501Y MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y PDF

    Untitled

    Abstract: No abstract text available
    Text: CO LO & MP LI GE AN N T FR EE Features • High resistance to heat and humidity *R oH S ■ Resistance to mechanical shock and * HA pressure The model MH4532 and MH4516 series as well as model MH3261190Y through -501 are currently available but not recommended for new


    Original
    MH4532 MH4516 MH3261190Y MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y MH4532-132Y PDF

    1500 mh

    Abstract: No abstract text available
    Text: • Resistance to mechanical shock and The model MH4532 and MH4516 series as well as model MH3261-190Y through MH3261-501Y are currently available but not recommended for new designs. ■ Accurate dimensions for automatic Applications PL IA N T Features *R


    Original
    MH4532 MH4516 MH3261-190Y MH3261-501Y MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y 1500 mh PDF

    Untitled

    Abstract: No abstract text available
    Text: MATERIAL DATA SHEET Material MH4516 Series Product Line Multilayer Chip Bead Date 04-December-2004 NO. Construction element Material group Material weight_g_ Materials CAS If applicable Average mass [%] 1 Core Ferrite 0.0466 Fe203 - Business Confidential


    Original
    MH4516 04-December-2004 Fe203 PDF

    4n7m

    Abstract: CM322522-820JL SDR0604 SRR1260-681K bourns inductors PM1210-R27J PM40-1R2K SRR4018-100Y 2n2m pm1355
    Text: INDUCTIVE COMPONENTS Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team Bourns Internal Bourns Plant Managers June 2007 UPDATE - Bourns Inductors Replacing JW Miller Models The current summary of Bourns® inductor models that will be replacing JW Miller models is attached.


    Original
    aDecember-2007 PMH1206 PMH1806 PMH1812 PMH1206-501 PMH1206-601 4n7m CM322522-820JL SDR0604 SRR1260-681K bourns inductors PM1210-R27J PM40-1R2K SRR4018-100Y 2n2m pm1355 PDF

    mh3216

    Abstract: FBMH1608HL601-T FBMH3225HM202NT MJ2125 FBMJ3216HS800-T FBMH1608HM221-T FBMH1608HM331 603h FBMH1608HM101-T 1608HS220
    Text: Notice for TAIYO YUDEN products Please read this notice before using the TAIYO YUDEN products. REMINDERS • Product information in this catalog is as of October 2009. All of the contents specified herein are subject to change without notice due to technical improvements, etc. Therefore, please check for the latest information carefully before practical application or usage of the Products.


    Original
    specif2125LM751 2125LM152 2125LM182 2125LM252 FBMH3216HM501NT FBMH3225HM601NT FBMH3225HM102NT 1005HS100 1005HS330 1005HS680 mh3216 FBMH1608HL601-T FBMH3225HM202NT MJ2125 FBMJ3216HS800-T FBMH1608HM221-T FBMH1608HM331 603h FBMH1608HM101-T 1608HS220 PDF

    ferrite 1.1 mh

    Abstract: ic 4532 MH3225-300Y MH3225-520Y MH3225-650Y MH3261-190Y MH4516-600Y MH4516-750Y MH4516-800Y MH4532-121Y
    Text: Features • ■ ■ ■ Applications High resistance to heat and humidity Resistance to mechanical shock and pressure Accurate dimensions for automatic surface mounting Wide impedance range ■ ■ ■ Power supply lines IC power lines Signal lines MH Series High Current Chip Ferrite Beads


    Original
    100MHz MH4532-700Y MH4532-950Y MH4532-121Y MH4532-131Y MH4516-600Y MH4516-750Y MH4516-800Y MH3225-300Y MH3225-520Y ferrite 1.1 mh ic 4532 MH3225-300Y MH3225-520Y MH3225-650Y MH3261-190Y MH4516-600Y MH4516-750Y MH4516-800Y MH4532-121Y PDF

    ferrite 1.1 mh

    Abstract: z 8.0 MHz MH1608-121Y MH1608-800Y
    Text: PL IA NT Features Applications High resistance to heat and humidity • Resistance to mechanical shock and pressure ■ Accurate dimensions for automatic surface mounting ■ Wide impedance range ■ *R oH S CO M ■ ■ ■ Power supply lines IC power lines


    Original
    MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y MH4532-132Y MH4516-600Y MH4516-750Y MH4516-800Y ferrite 1.1 mh z 8.0 MHz MH1608-121Y MH1608-800Y PDF

    FBMH4525

    Abstract: FBMJ2125 FBMJ4516HS720N FBMJ3216HS480N 4525 GE BKP2125 BKP2125 HS101 INDUCTOR FB 0805 221T INDUCTOR CHIP FERRITE BEAD 0805 JIS B 7512
    Text: Notice for TAIYO YUDEN products Please read this notice before using the TAIYO YUDEN products. REMINDERS • Product information in this catalog is as of October 2009. All of the contents specified herein are subject to change without notice due to technical improvements, etc. Therefore, please check for the latest information carefully before practical application or usage of the Products.


    Original
    PDF

    Untitled

    Abstract: No abstract text available
    Text: CO LO & MP LI GE AN N T FR EE Features • High resistance to heat and humidity *R oH S ■ Resistance to mechanical shock and The models indicated in grey are currently available but not recommended for new designs. * HA pressure ■ Accurate dimensions for automatic


    Original
    MH4532-700Y MH4516-600Y MH4516-750Y MH4516-800Y MH4516-102Y MH3261-260Y MH3261-601Y MH2029-070Y MH2029-100Y MH2029-300Y PDF

    PM43-390K

    Abstract: SRR4028-220Y CF453215-330K pm1812g-330k 2n2m ta7136 CM322522-820JL ic0808 datasheet PM1210-R27J PM1812-101J
    Text: INDUCTIVE COMPONENTS Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team Bourns Internal Bourns Plant Managers February, 2008 * REMINDER * Bourns Inductors Replacing JW Miller Models


    Original
    maer-2008 01-October-2008 PMH1206 PMH1806 PM43-390K SRR4028-220Y CF453215-330K pm1812g-330k 2n2m ta7136 CM322522-820JL ic0808 datasheet PM1210-R27J PM1812-101J PDF

    PM105

    Abstract: CF453215-330K 27nm PM105SB-101K PM1210-R27J PM40-1R2K 6000-100K-RC 6000-1R0M-RC 6000-4R7M-RC SDR0403-1R4ML
    Text: INDUCTIVE COMPONENTS Bourns Inductors to JW Miller® Inductors Cross Reference Booklet Riverside, California - December 4, 2007 - In order to assist customers in the transition from the JW Miller® inductor models that are being replaced by Bourns® inductor models on OCTOBER 1, 2008,


    Original
    12-page IC0766 1608-151Y MH1608-221Y MH1608-301Y MH1608-601Y MH2029-100Y MH2029-200Y MH2029-300Y MH2029-400Y PM105 CF453215-330K 27nm PM105SB-101K PM1210-R27J PM40-1R2K 6000-100K-RC 6000-1R0M-RC 6000-4R7M-RC SDR0403-1R4ML PDF

    MH3216HM501NTV

    Abstract: MH3216HM221NTV
    Text: Notice for TAIYO YUDEN products Please read this notice before using the TAIYO YUDEN products. REMINDERS • Product information in this catalog is as of October 2013. All of the contents specified herein are subject to change without notice due to technical improvements, etc. Therefore, please check for the latest information carefully before practical application or usage of the Products.


    Original
    e-E02R01 MH3216HM501NTV MH3216HM221NTV PDF

    FBMH3216

    Abstract: MJ3216HS800-T FBMH3225HM601N MH451 fbmh3216hm MJ3216HS800 MJ2125HS250NT FBMJ1608 MH3216 FBM4532HM132-T
    Text: Notice for TAIYO YUDEN products Please read this notice before using the TAIYO YUDEN products. REMINDERS • Product information in this catalog is as of October 2011. All of the contents specified herein are subject to change without notice due to technical improvements, etc. Therefore, please check for the latest information carefully before practical application or usage of the Products.


    Original
    PDF

    FBMH1608HM601

    Abstract: mh3216 MH3225 MJ2125 MJ3216 2125HS601 fbmh4532hm681-t LM 1405 BK2125HM102 JIS B 7512
    Text: 당사제품에 관한 주의사항 당사제품을 사용하실 경우에는 사전에 반드시 읽어 주십시오. 주의사항 • 당 소프트웨어의 기재 내용은 2009년10월 현재의 것입니다. 기재 내용의 개선등을 위해 예고없이 변경할 수 가 있습니다. 따라


    Original
    PDF

    bead

    Abstract: PMH1806-600
    Text: INDUCTIVE COMPONENTS August, 2006 Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team Bourns Internal Bourns Plant Managers Bourns Inductive Components Product Line Discontinues PMC1806 and PMC1812 Series;


    Original
    PMC1806 PMC1812 PMH1806 PMH1812 MH4516 MH4532 PMC1812. bead PMH1806-600 PDF

    ic0808

    Abstract: 100nj ic0808 datasheet PM20 PM40 4n7j
    Text: Bourns Manufacturers Representatives Corporate Distributor Product Managers Americas Sales Team Asia Sales Team Europe Sales Team Bourns Internal Bourns Plant Managers February, 2008 * REMINDER * Bourns Inductors Replacing JW Miller Models on October 1, 2008


    Original
    Mer-2008 01-October-2008 PMH1206 PMH1806 ic0808 100nj ic0808 datasheet PM20 PM40 4n7j PDF

    MJ2125

    Abstract: MJ4516 1608HS601 BK 1005HW241 1005HS121 1608HS220 bk power supply 603h FBMJ2125HM210NT MJ3216
    Text: 당사제품에 관한 주의사항 당사제품을 사용하실 경우에는 사전에 반드시 읽어 주십시오. 주의사항 • 당 소프트웨어의 기재 내용은 2009년10월 현재의 것입니다. 기재 내용의 개선등을 위해 예고없이 변경할 수 가 있습니다. 따라


    Original
    B1608HL221-T FBMH1608HL331-T FBMH1608HL300-T FBMH1608HL600-T FBMH4516HM851NT FBMH4532HM202-T FBMH2012HM800-T FBMH2012HM121-T FBMH2012HM221-T FBMH2016HM251NT MJ2125 MJ4516 1608HS601 BK 1005HW241 1005HS121 1608HS220 bk power supply 603h FBMJ2125HM210NT MJ3216 PDF

    JIS B 7512

    Abstract: MJ2125 p0603 MH3216 MH3225 MJ3216 HS601 LL800 BK3216 4M601
    Text: 有关本公司产品的注意事项 请务必在使用本公司产品目录之前阅读。 注意事项 • 本软件中记载的内容是2009年10月现在的内容。本产品目录记载的内容由于产品的改良等原因发生变更时,恕不另行


    Original
    535458586106kPa 2607086106kPa JIS B 7512 MJ2125 p0603 MH3216 MH3225 MJ3216 HS601 LL800 BK3216 4M601 PDF

    Untitled

    Abstract: No abstract text available
    Text: PL IA NT Features CO M • *R oH S ■ ■ ■ Applications High resistance to heat and humidity Resistance to mechanical shock and pressure Accurate dimensions for automatic surface mounting Wide impedance range ■ ■ ■ Power supply lines IC power lines


    Original
    MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y MH4532-132Y MH4516-600Y MH4516-750Y MH4516-800Y PDF

    Chip Bead Inductors for Power Lines (FB series M type)

    Abstract: No abstract text available
    Text: Notice for TAIYO YUDEN products Please read this notice before using the TAIYO YUDEN products. REMINDERS • Product information in this catalog is as of October 2012. All of the contents specified herein are subject to change without notice due to technical improvements, etc. Therefore, please check for the latest information carefully before practical application or usage of the Products.


    Original
    PDF

    Untitled

    Abstract: No abstract text available
    Text: CO LO & MP LI GE AN N T FR EE Features • High resistance to heat and humidity *R oH S ■ Resistance to mechanical shock and The models indicated in grey are currently available but not recommended for new designs. * HA pressure ■ Accurate dimensions for automatic


    Original
    MH4532-700Y MH4516-600Y MH4516-750Y MH4516-800Y MH4516-102Y MH3261-260Y MH3261-601Y MH2029-070Y MH2029-100Y MH2029-300Y PDF

    Untitled

    Abstract: No abstract text available
    Text: T PL IA N M CO *R oH S Features Applications • High resistance to heat and humidity ■ Power supply lines ■ Resistance to mechanical shock and ■ IC power lines pressure ■ Accurate dimensions for automatic surface mounting ■ Wide impedance range


    Original
    MH4532-700Y MH4532-800Y MH4532-121Y MH4532-131Y MH4532-151Y MH4532-681Y MH4532-132Y MH4516-600Y MH4516-750Y MH4516-800Y PDF

    w431

    Abstract: MJ2125 3MM X 25MM SS PHS s431 ac MH3216 MH3225 MJ3216 BK 1005HW241
    Text: 当社製品に関するお断り 当社製品をご使用頂く際には事前に必ずお読み下さい。 注 意 • 当カタログの記載内容は2009年10月現在のものです。記載内容は改良などのために予告なく変更することがあります。従いま


    Original
    535458586106kPa 2607086106kPa w431 MJ2125 3MM X 25MM SS PHS s431 ac MH3216 MH3225 MJ3216 BK 1005HW241 PDF