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

    EE25 Search Results

    SF Impression Pixel

    EE25 Price and Stock

    KEMET Corporation EE2-5TNU

    RELAY GENERAL PURPOSE DPDT 2A 5V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey EE2-5TNU Tube 5,698 1
    • 1 $3.12
    • 10 $2.782
    • 100 $2.52329
    • 1000 $2.27983
    • 10000 $2.20529
    Buy Now
    Mouser Electronics EE2-5TNU 6,977
    • 1 $2.69
    • 10 $2.51
    • 100 $2.41
    • 1000 $2.12
    • 10000 $2.05
    Buy Now
    Verical EE2-5TNU 2,950 23
    • 1 $2.77
    • 10 $2.77
    • 100 $2.77
    • 1000 $2.16
    • 10000 $2.16
    Buy Now
    Onlinecomponents.com EE2-5TNU 2,950
    • 1 -
    • 10 -
    • 100 $2.91
    • 1000 $2.26
    • 10000 $2.14
    Buy Now
    Avnet Abacus EE2-5TNU 14 Weeks 3,360
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    KEMET Corporation EE2-5TNUH-L

    RELAY GENERAL PURPOSE DPDT 2A 5V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () EE2-5TNUH-L Cut Tape 2,607 1
    • 1 $2.94
    • 10 $2.617
    • 100 $2.3315
    • 1000 $2.22636
    • 10000 $2.22636
    Buy Now
    EE2-5TNUH-L Digi-Reel 2,607 1
    • 1 $2.94
    • 10 $2.617
    • 100 $2.3315
    • 1000 $2.22636
    • 10000 $2.22636
    Buy Now
    EE2-5TNUH-L Reel 2,500 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.0761
    • 10000 $1.91411
    Buy Now
    Mouser Electronics EE2-5TNUH-L 249
    • 1 $2.94
    • 10 $2.62
    • 100 $2.34
    • 1000 $1.94
    • 10000 $1.94
    Buy Now
    Newark () EE2-5TNUH-L Cut Tape 543 1
    • 1 $3.25
    • 10 $2.86
    • 100 $2.5
    • 1000 $2.2
    • 10000 $2.2
    Buy Now
    EE2-5TNUH-L Reel 500
    • 1 $2.04
    • 10 $2.04
    • 100 $2.04
    • 1000 $2.04
    • 10000 $1.68
    Buy Now
    TTI () EE2-5TNUH-L Reel 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.86
    • 10000 $1.79
    Buy Now
    EE2-5TNUH-L Reel 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.86
    • 10000 $1.79
    Buy Now
    Avnet Abacus EE2-5TNUH-L Reel 14 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    KEMET Corporation EE2-5NUX-L

    RELAY GENERAL PURPOSE DPDT 2A 5V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () EE2-5NUX-L Cut Tape 1,709 1
    • 1 $2.72
    • 10 $2.428
    • 100 $2.1629
    • 1000 $2.0654
    • 10000 $2.0654
    Buy Now
    EE2-5NUX-L Digi-Reel 1,709 1
    • 1 $2.72
    • 10 $2.428
    • 100 $2.1629
    • 1000 $2.0654
    • 10000 $2.0654
    Buy Now
    EE2-5NUX-L Reel 1,500 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.92602
    • 10000 $1.77576
    Buy Now
    Mouser Electronics EE2-5NUX-L 2,797
    • 1 $2.72
    • 10 $2.43
    • 100 $2.17
    • 1000 $1.8
    • 10000 $1.8
    Buy Now

    KEMET Corporation EE2-5TNU-L

    RELAY GENERAL PURPOSE DPDT 2A 5V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () EE2-5TNU-L Digi-Reel 440 1
    • 1 $2.94
    • 10 $2.617
    • 100 $2.3315
    • 1000 $2.22636
    • 10000 $2.22636
    Buy Now
    EE2-5TNU-L Cut Tape 440 1
    • 1 $2.94
    • 10 $2.617
    • 100 $2.3315
    • 1000 $2.22636
    • 10000 $2.22636
    Buy Now
    Avnet Americas EE2-5TNU-L Reel 111 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.9894
    • 10000 $1.8048
    Buy Now
    Mouser Electronics EE2-5TNU-L 457
    • 1 $2.94
    • 10 $2.62
    • 100 $2.34
    • 1000 $1.94
    • 10000 $1.94
    Buy Now
    Newark EE2-5TNU-L Cut Tape 124 1
    • 1 $3.05
    • 10 $2.73
    • 100 $2.45
    • 1000 $2.31
    • 10000 $2.31
    Buy Now
    RS EE2-5TNU-L Bulk 920 1
    • 1 $2.97
    • 10 $2.82
    • 100 $2.38
    • 1000 $2.38
    • 10000 $2.38
    Buy Now
    TTI () EE2-5TNU-L Reel 1,000 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.01
    • 10000 $1.92
    Buy Now
    EE2-5TNU-L Reel 1,000 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $2.01
    • 10000 $1.92
    Buy Now
    Avnet Abacus EE2-5TNU-L Reel 14 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    KEMET Corporation EE2-5SNUH-L

    RELAY GENERAL PURPOSE DPDT 2A 5V
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey EE2-5SNUH-L Cut Tape 320 1
    • 1 $2.91
    • 10 $2.594
    • 100 $2.3104
    • 1000 $2.20624
    • 10000 $2.20624
    Buy Now
    Mouser Electronics EE2-5SNUH-L 662
    • 1 $2.91
    • 10 $2.6
    • 100 $2.29
    • 1000 $1.87
    • 10000 $1.87
    Buy Now
    Arrow Electronics EE2-5SNUH-L Cut Strips 87 99 Weeks 64
    • 1 -
    • 10 -
    • 100 $1.633
    • 1000 $1.633
    • 10000 $1.633
    Buy Now
    Newark EE2-5SNUH-L Cut Tape 1,023 1
    • 1 $3.06
    • 10 $2.88
    • 100 $2.32
    • 1000 $1.95
    • 10000 $1.95
    Buy Now
    Avnet Abacus EE2-5SNUH-L Reel 14 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    EE25 Datasheets (81)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF PDF Size Page count
    EE-25
    Analog Devices AD1849K Jitter Requirements and Input Signal Coupling Original PDF 9.75KB 2
    EE2-5
    NEC Compact and lightweight, High breakdown voltage, Surface mounting type Original PDF 125.77KB 12
    EE-250
    Analog Devices Estimating Power Dissipation for Industrial Grade ADSP-21262 SHARC Processors (Rev 1, 05/2005) Original PDF 87.78KB 10
    EE2520H
    Sumida General Power Transformer Original PDF 30.63KB 1
    EE25/38
    KG Technologies Nennleistung / Power Original PDF 120.66KB 1
    EE-254
    Analog Devices Interfacing ADSP-21365 SHARC PDAP to ADSP-BF533 Blackfin EBIU Original PDF 78.41KB 16
    EE-255
    Analog Devices Porting PC-Based MP3 Player Software to ADSP-21262 SHARC Processors Original PDF 51.7KB 7
    EE-256
    Analog Devices Using the ADSP-BF561 Blackfin Processor as a TFT-LCD Controller (Rev 2, 03/2006) Original PDF 64.65KB 10
    EE-257
    Analog Devices A Boot Compression/Decompression Algorithm for Blackfin Processors Original PDF 177.26KB 7
    EE25/7.7
    KG Technologies Nennleistung / Power Original PDF 120.66KB 1
    EE25/7.7
    Marschner Nennleistung / Power Original PDF 36.38KB 1
    EE-258
    Analog Devices Interfacing Micron MT9V022 Image Sensors to Blackfin Processors (Rev 2, 06/2006) Original PDF 910.93KB 18
    EE-259
    Analog Devices Interfacing AD7865 Parallel ADCs to ADSP-21161 SHARC Processors Original PDF 521.51KB 7
    EE2-5-L
    NEC Compact and lightweight, High breakdown voltage, Surface mounting type Original PDF 125.77KB 12
    EE2-5ND
    KEMET Signal Relays, Up to 2 Amps, Relays, RELAY GEN PURPOSE DPDT 2A 5V Original PDF 18
    EE2-5ND
    NEC Solid State Relay, Miniature Signal Relay, High Insulation, High breakdown voltage, compact and lightweight Original PDF 115.56KB 12
    EE2-5ND
    NEC High Insulation, High breakdown voltage, compact and lightweight, Surface mounting type Original PDF 142.83KB 12
    EE2-5NU
    KEMET Signal Relays, Up to 2 Amps, Relays, RELAY GEN PURPOSE DPDT 2A 5V Original PDF 18
    EE2-5NU
    Unknown RELAY DPCO 5VDC Original PDF 44.93KB 2
    EE2-5NU
    NEC Compact and lightweight, High breakdown voltage, Surface mounting type Original PDF 125.77KB 12

    EE25 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    E3495-AL

    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • VDE, IEC, UL, CSA compliant • 3750 Vrms isolation between windings • Constructed with UL approved Class 130°C insulation system UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current


    Original
    E83628) E3495-AL PDF

    XF0124

    Contextual Info: 2 . S c h e m a tic : 1. M e c h a n i c a l D i m e n i s o n s : A 1.110 Max XFMRS WWW m XFQ1 2 4 — EE25 in U 2 o -o 9 4 O- -O 7 U Q 3. Electrical Specifications:@25°C o 0CL: 12D0uH Min @1KHz LL: P ins 2 - 4 IV , Each Wdq 4D.0uH Max @ 100KHz 0.1V, S h o rt Pins 9 - 7


    OCR Scan
    1200uH 100KHz 2000Vac 10KHz UL94V-0 E151556 XF0124-EE25 XF0124 PDF

    Marschner

    Abstract: EE30/40 EE25/7.7 EE30 F305 F307 0320C
    Contextual Info: MARSCHNER TRAFO-PROGRAMM MARSCHNER Transformers MARSCHNER Nennleistung/Power EE25/7,7 ta70°C/B 0,8 VA 5 20 35 45 Gesamt Gewicht Total-weight 0,8 ca. g ca. Kg Cul. Gewicht Copper-weight 8 0,050 1 10 20 ± 0,5 20 ± 0,3 27,5 ± 0,3 Ansicht auf Stiftseite - Pin view


    Original
    EE25/7 EE30/40 FLG/F30 FLF/F30 EE38/51 FLG38/51 Marschner EE30/40 EE25/7.7 EE30 F305 F307 0320C PDF

    EE 16 type CORE

    Abstract: EE core datasheet ee25 E3497-AL E83628 P402 E3490-AL E3491-AL E3494-AL E3495-AL
    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • VDE, IEC, UL, CSA compliant • 3750 Vrms isolation between windings • Constructed with UL approved Class 130°C insulation system UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current


    Original
    E83628) EE 16 type CORE EE core datasheet ee25 E3497-AL E83628 P402 E3490-AL E3491-AL E3494-AL E3495-AL PDF

    EE2507

    Abstract: 3M tape, 1350 hinoday Zeus Industrial Products 40p25 dolph
    Contextual Info: COMPONENT : TRANSFORMER 16.8W EE2507 UEIL 1) Mechanical Diagram 18.5 Max NOTE: I J 1 1 1 1 1.AII Dim ensions are in MM 2.Scale: N.T.S 1I 1 -1 3 . 0 ± 0 . 5 2) Material Details SI.No. 1) 2) 3) Item Material Supplier of Material Cosm o Ferrites Ltd. DGP Hinoday Ltd.


    OCR Scan
    EE2507 EE2507 MY130 B4406G6 BC--346A/AC--43 922uH 187uH 995mfi 3M tape, 1350 hinoday Zeus Industrial Products 40p25 dolph PDF

    EE2520H

    Abstract: EE-2520 EE 16 Switching Transformer EE 35 transformer 215uH
    Contextual Info: General Power Transformer <Pin Type:EE Series> Type: EE2520H ◆ Product Description ・37.0x27.0mm Max. L×W , 21.5mm Max. Height. ・In addition to the typical versions of parameters shown here, custom designs are available to meet your exact requirements.


    Original
    EE2520H 300kHz. 300kHz) 2J009 50/60Hz) 1500Vrms/2sec. EE2520H EE-2520 EE 16 Switching Transformer EE 35 transformer 215uH PDF

    AEE25-3971

    Abstract: EE25 core EE25 transformer
    Contextual Info: RoHS EE25-3971 Transformer EE25 Design Operating Temperature: 40ºC ~ +85ºC including temp rise Electrical Specifications @ 25°C INDUCTANCE 10KHz/0.1V HP-4284A 10 - 6 3.4mH 10% LEAKAGE L INDUCTANCE DCR (CH-502A) (Max) 100KHz/0.1V HP-4284A 5 - 1 : 0.042Ohm


    Original
    AEE25-3971 10KHz/0 HP-4284A CH-502A) 100KHz/0 042Ohm 574Ohm 114uH 53Ohm AEE25-3971 EE25 core EE25 transformer PDF

    E3496-AL

    Abstract: E3495-AL EE 16 type CORE
    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • VDE, IEC, UL, CSA compliant • 3750 Vrms isolation between windings • Constructed with UL approved Class 130°C insulation system UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3496-AL E3495-AL EE 16 type CORE PDF

    ferrite ee25

    Abstract: ee25 ferrite core EE35 core ee35 ee25 ee25 core EE35 core EE-35 2565 AC toroidal choke
    Contextual Info: COMMON MODE CHOKE MODEL NO. : MPC 2565/MPC 3590 FEATURES: ' STANDARD E CORE PACKAGE * COST EFFECTIVE DESIGN * DESIGNS MEETING UL, CSA, VDE, IEC REQUIREMENTS * 3750VRMS DIELECTRIC STRENGTH * TOROIDAL STRUCTURES ALSO AVAILABLE ON REQUEST TAIPEI MULTIPOWER OFFERS STANDARD EE25.4, AND EE35 FERRITE CORE PACKAGES


    OCR Scan
    2565/MPC 3750VRMS 20KHZ ferrite ee25 ee25 ferrite core EE35 core ee35 ee25 ee25 core EE35 core EE-35 2565 AC toroidal choke PDF

    ap amp

    Abstract: E83628 E3490-A E3491-A E3492-A E3493-A E3494-A E3495-A E3497-A EE25
    Contextual Info: Document 141-1 CommonModeLineChokes–EEStyles • Low cost • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3501-A E3502-A E3503-A E3504-A E3505-A E3506-A E3507-A ap amp E83628 E3490-A E3491-A E3492-A E3493-A E3494-A E3495-A E3497-A EE25 PDF

    EE42 core

    Abstract: EE and EF Core Specifications pc40EE25 Ee60 ferrite EE60 core PC40EF16-Z ee55 core EE40 core ee55/55/21 PC40EE13-Z
    Contextual Info: Ferrite Cores EE, EF Series For Power Supply EE, EF Cores B Type EE8 EE10/11 EF12.6 EE13 EE16 SEE16 EF16 EE19 EE19/16 EE20/20/5 EF20 EE22 EE25/19 EF25 EE25.4 EE30 EE30/30/7 EF32 EE35 EE35/28B EE40 EE41/33C EE42/42/15 EE42/42/20 EE47/39 EE50 EE50.3/51/6 EE55/55/21


    Original
    EE10/11 SEE16 EE19/16 EE20/20/5 EE25/19 EE30/30/7 EE35/28B EE41/33C EE42/42/15 EE42/42/20 EE42 core EE and EF Core Specifications pc40EE25 Ee60 ferrite EE60 core PC40EF16-Z ee55 core EE40 core ee55/55/21 PC40EE13-Z PDF

    E3493-A

    Contextual Info: Document 141-1 CommonModeLineChokes – EEStyles • Low cost • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3499-A E3500-A E3501-A E3502-A E3503-A E3504-A E3505-A E3506-A E3507-A E3493-A PDF

    EE type CORE 25

    Abstract: max2 EE 16 type CORE
    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • 3 mm creepage and clearance from all terminations to the core • 3750 Vrms isolation between windings • Constructed with UL approved Class 130°C insulation system UL File E83628 • Industry-standard EE25 size


    Original
    E83628) EE type CORE 25 max2 EE 16 type CORE PDF

    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • 3 mm creepage and clearance from all terminations to the core • 3750 Vrms, one minute isolation between windings • UL1446 Class B 130°C Insulation System (UL File E83628) • Industry-standard EE25 size


    Original
    UL1446 E83628) PDF

    ee30

    Abstract: ee25 EE30/40 Marschner EE-25 EE25 datasheet EE25/7.7
    Contextual Info: TRAFO-PROGRAMM MARSCHNER Transformers Nennleistung/Power EE25/7,7 EE25/38 0,8 VA 5 10 20 ± 0,5 1 10 32,5 ± 0,5 20 ± 0,3 27,5 ± 0,3 EE25/38/5 1 14,8 77 17 0,040 Nennleistung/Power VM 530 VM 111 Typ / series VA VA C Wirkungsgrad Efficiency Spannungs Abfall


    Original
    EE25/7 EE25/38 EE25/38/5 EE38/51/21 EE38/51/10 EE38/51/13 EE38/51/8 EE30/40/26 ee30 ee25 EE30/40 Marschner EE-25 EE25 datasheet EE25/7.7 PDF

    P202

    Abstract: E3493 E3493-A E83628 E3490-A E3491-A E3492-A E3494-A E3495-A E3497-A
    Contextual Info: Document 141-1 CommonModeLineChokes – EEStyles • Low cost • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3499-A E3500-A E3501-A E3502-A E3503-A E3504-A E3505-A E3506-A E3507-A P202 E3493 E3493-A E83628 E3490-A E3491-A E3492-A E3494-A E3495-A E3497-A PDF

    E3493-A

    Abstract: E3493 E3490-A E3491-A E3492-A E3494-A E3495-A E3497-A E83628 EE25
    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • VDE, IEC, UL, CSA compliant • 3750 Vrms isolation between windings • Constructed with UL approved Class 130°C insulation system UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3493-A E3493 E3490-A E3491-A E3492-A E3494-A E3495-A E3497-A E83628 EE25 PDF

    Contextual Info: 109 CommonModeline Chokes- EEStyles • Low cost • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and cur­


    OCR Scan
    E83628) E3493-A 494-A E3495-A 496-A 497-A 498-A PDF

    E83628

    Abstract: E3506-A E-3506A RDC 731 E3504A E3503-A
    Contextual Info: Document 141-1 CommonModeLineChokes – EEStyles • Low cost • VDE, IEC, UL, CSA compatible • 3750 VRMS isolation between windings • UL approved Class 130°C insulation system available UL File E83628 • Industry-standard EE25 size • Wide range of available inductances and current ratings


    Original
    E83628) E3499-A E3500-A E3501-A E3502-A E3503-A E3504-A E3505-A E3506-A E3507-A E83628 E-3506A RDC 731 E3504A PDF

    Contextual Info: Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • 3 mm creepage and clearance from all terminations to the core • 3750 Vrms, one minute isolation between windings • UL1446 Class B 130°C Insulation System (UL File E83628) • Industry-standard EE25 size


    Original
    UL1446 E83628) Com37 PDF

    ER0046EJ

    Contextual Info: DATA S H E E T MINIATURE SIGNAL RELAY EE2 SERIES Compact and lightweight, High breakdown voltage, Surface mounting type DESCRIPTION The EE2 series surface-mounting type sustaining high-performance of NEC EC2 series. FEATURES Compact and light weight ™ 2 form c contact arrangement


    Original
    E73266) LR46266) ER0046EJ PDF

    Contextual Info: User's Guide SLAU327 – October 2010 TLV320DAC3202EVM This user's guide describes the characteristics, operation, and use of the TLV320DAC3202EVM. The TLV320DAC3202EVM provides a simplified platform to evaluate the performance and functionality of the TLV320DAC3202 low-power headset IC. A complete circuit description, schematic diagram, and bill of


    Original
    SLAU327 TLV320DAC3202EVM TLV320DAC3202EVM. TLV320DAC3202EVM TLV320DAC3202 TPS62044 SLES025 TLV320DAC3202 SLVS463 TAS1020B PDF

    R472

    Abstract: 12v 5v TL494 TL494 Power supply SMPS WITH TL494 EE25A TL494 smps UTC TL494 circuit diagram of smps tl494 TL494 power NVP 18
    Contextual Info: UTC 3531 CMOS IC POWER SUPPLY SUPERVISER+REGULATOR+PWM DESCRIPTION UTC 3531 is a power supply switching mode controller IC for desktop PCs and it functions to monitor and control the output of the power supply. UTC3531 is designed to sense directly the output rails


    Original
    UTC3531 TL431 QW-R502-023 R472 12v 5v TL494 TL494 Power supply SMPS WITH TL494 EE25A TL494 smps UTC TL494 circuit diagram of smps tl494 TL494 power NVP 18 PDF

    yw-360-02b

    Abstract: EE25 transformer transformer construction sb360 equivalent TOP243P 1n4007gp diode Yih-Hwa ee25 10 pin transformer TOP243P equivalent yw-360
    Contextual Info: Design Idea DI-23 TOPSwitch-GX 10 W, Multi-output, High Speed Modem Power Supply Application Device Power Output Input Voltage Output Voltage Topology High Speed Modem TOP243P 10 W 85-264 VAC 3.3 V / 5 V / 30 V Flyback Typical applications are wall mount adapters, set-top box, highspeed modem, standby power supplies, and other applications


    Original
    DI-23 OP243P yw-360-02b EE25 transformer transformer construction sb360 equivalent TOP243P 1n4007gp diode Yih-Hwa ee25 10 pin transformer TOP243P equivalent yw-360 PDF