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

    MMBZ5228BS Search Results

    SF Impression Pixel

    MMBZ5228BS Price and Stock

    Diodes Incorporated MMBZ5228BS-7-F

    DIODE ZENER ARRAY 3.9V SOT363
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MMBZ5228BS-7-F Cut Tape 4,940 1
    • 1 $0.27
    • 10 $0.179
    • 100 $0.27
    • 1000 $0.084
    • 10000 $0.084
    Buy Now
    MMBZ5228BS-7-F Digi-Reel 4,940 1
    • 1 $0.27
    • 10 $0.179
    • 100 $0.27
    • 1000 $0.084
    • 10000 $0.084
    Buy Now
    MMBZ5228BS-7-F Reel 3,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.065
    Buy Now
    MMBZ5228BS-7-F Cut Tape 824 1
    • 1 $0.26
    • 10 $0.178
    • 100 $0.26
    • 1000 $0.092
    • 10000 $0.092
    Buy Now
    MMBZ5228BS-7-F Digi-Reel 1
    • 1 $0.26
    • 10 $0.178
    • 100 $0.26
    • 1000 $0.092
    • 10000 $0.092
    Buy Now
    Avnet Americas MMBZ5228BS-7-F Reel 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.04482
    Buy Now
    Mouser Electronics MMBZ5228BS-7-F
    • 1 $0.27
    • 10 $0.179
    • 100 $0.093
    • 1000 $0.084
    • 10000 $0.065
    Get Quote
    Quest Components MMBZ5228BS-7-F 2,360
    • 1 $0.1652
    • 10 $0.1652
    • 100 $0.1033
    • 1000 $0.0743
    • 10000 $0.0743
    Buy Now
    Avnet Silica MMBZ5228BS-7-F 3,000 10 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    Diodes Incorporated MMBZ5228BS-7

    DIODE ZENER ARRAY 3.9V SOT363
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MMBZ5228BS-7 Reel 3,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0625
    Buy Now
    MMBZ5228BS-7 Cut Tape 610 1
    • 1 $0.24
    • 10 $0.159
    • 100 $0.24
    • 1000 $0.09568
    • 10000 $0.09568
    Buy Now
    MMBZ5228BS-7 Reel
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    Zetex / Diodes Inc MMBZ5228BS-7-F

    Zener Diode Dual Anti Parallel 3.9V 5% 23Ohm 200mW 6-Pin SOT-363 T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical MMBZ5228BS-7-F 54,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.0525
    Buy Now

    Vishay Intertechnologies MMBZ5228B-E3-08

    Small Signal Zener Diode - 3.9 V - ±5% Tolerance - 225 mW - 23 Ohms Impedance - 10 µA Reverse Leakage @ 1 V - SOT-23-3 Package - Surface Mount.
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Onlinecomponents.com MMBZ5228B-E3-08 12,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.0351
    • 10000 $0.0294
    Buy Now

    Rectron Semiconductor MMBZ5228B

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Onlinecomponents.com MMBZ5228B
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    MMBZ5228BS Datasheets (9)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    MMBZ5228BS Diodes 200mW SURFACE MOUNT ZENER DIODE Original PDF
    MMBZ5228BS Diodes Short Form Selection Guide Original PDF
    MMBZ5228BS Diodes 200mW SURFACE MOUNT ZENER DIODE Original PDF
    MMBZ5228BS Diodes 200mW SURFACE MOUNT ZENER DIODE Original PDF
    MMBZ5228BS-7 Diodes Diodes - Zener - Arrays, Discrete Semiconductor Products, DIODE ZENER DUAL 3.9V SOT363 Original PDF
    MMBZ5228BS-7 Diodes Diodes - Zener - Arrays, Discrete Semiconductor Products, DIODE ZENER DUAL 3.9V SOT363 Original PDF
    MMBZ5228BS-7 Diodes 200 mW Surface Mount Zener Diode Original PDF
    MMBZ5228BS-7-F Diodes 200 mW Surface Mount Zener Diode Original PDF
    MMBZ5228BS-7-F Diodes DIODE ZENER DUAL ISOLATED 200mW 3.9Vz 20mA-Izt 0.05 10uA-Ir 1 SOT-363 3K/REEL Original PDF

    MMBZ5228BS Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    Marking Code KEY

    Abstract: DT marking code schottky marking code PD B0530W MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS MMBZ5228BS
    Text: B0530W 0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SPICE MODELS: MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS MMBZ5228BS MMBZ5229BS MMBZ5230BS MMBZ5231BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS MMBZ5237BS MMBZ5238BS MMBZ5239BS MMBZ5240BS MMBZ5241BS MMBZ5242BS


    Original
    PDF B0530W MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS MMBZ5228BS MMBZ5229BS MMBZ5230BS MMBZ5231BS Marking Code KEY DT marking code schottky marking code PD B0530W

    J-STD-020A

    Abstract: MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5234BS-7 MMBZ5234BS-7-F MMBZ5259BS
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features • · · · Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes Also Available in Lead Free Version B C G H Mechanical Data


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363, J-STD-020A MIL-STD-202, DS31039 J-STD-020A MMBZ5223BS MMBZ5225BS MMBZ5234BS-7 MMBZ5234BS-7-F MMBZ5259BS

    SMD Transistors w04 sot-23

    Abstract: transistor SOT-23 w04 SB050 transistor IN4728A mosfet SMD w04 SN30SC4 smd diode code gs1m W01 SMD mosfet W04 sot 23 1s355
    Text: RETURN TO PRODUCT CATALOG TABLE OF CONTENTS RETURN TO PRODUCT CATALOG INDEX RETURN TO DIODES INC. NEW PRODUCTS PAGE Product Catalog Diodes Incorporated 3050 E. Hillcrest Drive Westlake Village, CA 91362-3154 2000/2001 Specifications are subject to change without notice.


    Original
    PDF represent9-14 SMD Transistors w04 sot-23 transistor SOT-23 w04 SB050 transistor IN4728A mosfet SMD w04 SN30SC4 smd diode code gs1m W01 SMD mosfet W04 sot 23 1s355

    KE5 diode

    Abstract: No abstract text available
    Text: NEW PRODUCT MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE POWER SEMICONDUCTOR Features • • • • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package General Purpose Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, MIL-STD-202, DS31039 KE5 diode

    Untitled

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features SOT-363 A C1 Mechanical Data • · · · · · · A2 NC KXX YY · Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, J-STD-020A MIL-STD-202, DS31039

    KE2 diode

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS Features • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes SOT-363 A A1 KXX Mechanical Data · · · · · C1 Case: SOT-363, Molded Plastic Terminals: Solderable per MIL-STD-202,


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, MIL-STD-202, DS31039 KE2 diode

    MARKING KE2

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features SOT-363 A C1 KXX Mechanical Data • · · · · A1 Case: SOT-363, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KXX: Part marking See table page 2


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, MIL-STD-202, DS31039 MARKING KE2

    smd marking 911 zener

    Abstract: d3g smd NPN Transistor smd code LY 83 marking codes transistors a8 sot-23 TRANSISTOR SMD MARKING CODE s2a 1045ct mosfet SOD-123 a18 W06* MARKING smd code KBJ 3580 6045pt
    Text: RETURN TO SHORT FORM TABLE OF CONTENTS ################################### RETURN TO SHORT FORM INDEX RETURN TO DIODES INC. NEW PRODUCTS PAGE Short Form Diodes Incorporated 3050 E. Hillcrest Drive Westlake Village, CA 91362-3154 September 1999 Specifications are subject to change without notice.


    Original
    PDF M5263B, ZMM5264B, ZMM5265B, ZMM5266B, ZMM5267B, ZMM56, ZMM62, ZMM68, ZMM75, smd marking 911 zener d3g smd NPN Transistor smd code LY 83 marking codes transistors a8 sot-23 TRANSISTOR SMD MARKING CODE s2a 1045ct mosfet SOD-123 a18 W06* MARKING smd code KBJ 3580 6045pt

    CAT7105CA

    Abstract: mp1410es G547E2 G547H2 G547F2 P5504EDG equivalent G547I1 SP8K10 SP8K10SFD5TB LD1117Al
    Text: Diodes, Inc. - Cross Reference Industry Part Diodes, Inc. Equivalent Diodes, Inc. Nearest 1.5CE120C 1.5KE120CA N/A 1.5CE120CA 1.5KE120CA N/A 1.5CE12A 1.5KE12A N/A 1.5CE12C 1.5KE12CA N/A 1.5CE12CA 1.5KE12CA N/A 1.5CE13 1.5KE13A N/A 1.5CE130 1.5KE130A N/A 1.5CE130A


    Original
    PDF 5CE120C 5KE120CA 5CE120CA 5CE12A 5KE12A 5CE12C 5KE12CA 5CE12CA CAT7105CA mp1410es G547E2 G547H2 G547F2 P5504EDG equivalent G547I1 SP8K10 SP8K10SFD5TB LD1117Al

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original
    PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    melf diode marking

    Abstract: A180-WLA RS503s SBR130S3 Schottky melf hall sensor 35l 5KE91A-B PR1005G-A GBPC3504L STPR2020CT
    Text: PCN PART NUMBER LISTING Part Number PCN Title Rel date Comments 1.5KE100A-B 1049 Lead-Free Lead Finish NOT RELEASED 1.5KE100A-T 1049 Lead-Free Lead Finish NOT RELEASED 1.5KE100CA-B 1049 Lead-Free Lead Finish NOT RELEASED 1.5KE100CA-T 1049 Lead-Free Lead Finish


    Original
    PDF 5KE100A-B 5KE100A-T 5KE100CA-B 5KE100CA-T 5KE10A-A 5KE10A-B 5KE10A-T 5KE10CA-B 5KE10CA-T 5KE110A-B melf diode marking A180-WLA RS503s SBR130S3 Schottky melf hall sensor 35l 5KE91A-B PR1005G-A GBPC3504L STPR2020CT

    MMBZ5221BS

    Abstract: MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS MMBZ5228BS MMBZ5229BS MMBZ5259BS KE2 diode ZENER A2.2
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features SOT-363 A A1 KXX Mechanical Data • · · · · C1 Case: SOT-363, Molded Plastic Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KXX: Part marking See table page 2


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, MIL-STD-202, MMBZ5257BS MMBZ5258BS DS31039 MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS MMBZ5228BS MMBZ5229BS MMBZ5259BS KE2 diode ZENER A2.2

    Untitled

    Abstract: No abstract text available
    Text: NEW PRODUCT MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE POWER SEMICONDUCTOR Features • • • • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package General Purpose Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, MIL-STD-202, DS31039

    Untitled

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE SPICE MODELS: MMBZ5230BS MMBZ5231BS MMBZ5232BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS MMBZ5237BS MMBZ5238BS MMBZ5239BS MMBZ5240BS MMBZ5241BS MMBZ5242BS MMBZ5243BS MMBZ5245BS MMBZ5246BS MMBZ5250BS MMBZ5251BS MMBZ5252BS MMBZ5254BS


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW MMBZ5230BS MMBZ5231BS MMBZ5232BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS

    Untitled

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Please click here to visit our online spice models database. Features • • • • • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 DS31039

    MMBZ5230BS

    Abstract: MMBZ5231BS MMBZ5232BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS MMBZ5237BS MMBZ5238BS MMBZ5239BS
    Text: SPICE MODELS: MMBZ5230BS MMBZ5231BS MMBZ5232BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS MMBZ5237BS MMBZ5238BS MMBZ5239BS MMBZ5240BS MMBZ5241BS MMBZ5242BS MMBZ5243BS MMBZ5245BS MMBZ5246BS MMBZ5250BS MMBZ5251BS MMBZ5252BS MMBZ5254BS MMBZ5255BS MMBZ5256BS MMBZ5257BS MMBZ5258BS MMBZ5259BS


    Original
    PDF MMBZ5230BS MMBZ5231BS MMBZ5232BS MMBZ5233BS MMBZ5234BS MMBZ5235BS MMBZ5236BS MMBZ5237BS MMBZ5238BS MMBZ5239BS MMBZ5238BS

    diode zener marking 58

    Abstract: SOT-363 marking 05 J-STD-020A MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5234BS-7 MMBZ5259BS marking K
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features SOT-363 A C1 Mechanical Data • · · · · · · A2 NC KXX YY · Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, J-STD-020A MIL-STD-202, DS31039 diode zener marking 58 SOT-363 marking 05 J-STD-020A MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5234BS-7 MMBZ5259BS marking K

    Untitled

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features SOT-363 A C1 Mechanical Data • · · · · · · A2 NC KXX YY · Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 OT-363, J-STD-020A MIL-STD-202, DS31039

    SOT523

    Abstract: 1N4148W SOD123 2N7002 SOT23 BC856B-7-F RS3G-13-F B140 SMA bas16 sod123 DLP05LC MMSZ5226B-7-F B530C-13-F
    Text: PRODUCT CHANGE NOTICE Contact Date: Implementation Date: December 1, 2005 December 1, 2005 Alert Category: PCN-1044 Alert Type: Discrete Semiconductor Product Update PCN #: PCN #: 1044 TITLE Introduction of Product in certain D2PAK, GBJ, MELF, PM3, SMA, SMB,SMC,SOD/SOT Packages that are RoHS compliant.


    Original
    PDF PCN-1044 TB3500H-13-F TB3500L-13-F TB3500M-13-F TBZ363C20V8-7-F TBZ363C5V5-7-F TBZ363C6V4-7-F TBZ363C7V0-7-F US1A-13-F US1B-13-F SOT523 1N4148W SOD123 2N7002 SOT23 BC856B-7-F RS3G-13-F B140 SMA bas16 sod123 DLP05LC MMSZ5226B-7-F B530C-13-F

    Untitled

    Abstract: No abstract text available
    Text: MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Mechanical Data Features • • • • • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package Ideally Suited for Automated Assembly Processes Lead Free/RoHS Compliant Note 2


    Original
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363 J-STD-020D MIL-STD-202, DS31039

    AZ23C10W-13

    Abstract: DZ23C12-13 TBZ363C20V8 MMBZ5222B
    Text: DCS/PCN-1096 Rev 01 PRODUCT CHANGE NOTICE Contact Date: Mar 21, 2008 Implementation Date: Jun 19, 2008 Alert Category: Discrete Semiconductor Alert Type: PCN #: Alternate Dice from FA PCN #1096, REV 01 TITLE Alternate Discrete Dice from FA IMPACT None Identified.


    Original
    PDF DCS/PCN-1096 MMSZ5230B-7-99-F MMSZ5230B-7-F MMSZ5230BS-13 MMSZ5230BS-7 MMSZ5230BS-7-F MMSZ5231B-13 MMSZ5231B-7 MMSZ5231B-7-99-F MMSZ5231B-7-F AZ23C10W-13 DZ23C12-13 TBZ363C20V8 MMBZ5222B

    AP3039AM

    Abstract: 12SN7 AZ1117EH-3 AP3031K zabg6001 SMBJ11CA ztx689 DMN33D8L ap1901 AP3502
    Text: Diodes Incorporated RoHS & REACH Compliance Re: End of Vehicle Life Directive EVL 2000/53/EC and Annex II (EVL II) 2000/53/EC Restrictions of Hazardous Substances Directive (RoHS) 2002/95/EC (repealed as from 3 January 2013 but listed here for completeness) & 2011/65/EU (RoHS II)


    Original
    PDF 2000/53/EC 2000/53/EC 2002/95/EC 2011/65/EU SOR/2014-254 SJ/T11363-2006 GL-106 AP3039AM 12SN7 AZ1117EH-3 AP3031K zabg6001 SMBJ11CA ztx689 DMN33D8L ap1901 AP3502

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original
    PDF AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx

    zener diode B 3

    Abstract: cu marking code zener marking KE2 SOT363 MARKING CODE BS marking code diode 4P MMBZ5221BS MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS
    Text: UCT MMBZ5221BS - MMBZ5259BS 200mW SURFACE MOUNT ZENER DIODE Features • • • • Planar Die Construction Dual Isolated Zeners in Ultra-Small Surface Mount Package General Purpose Ideally Suited for Automated Assembly Processes SOT-363 [c i| | nc | a ^I


    OCR Scan
    PDF MMBZ5221BS MMBZ5259BS 200mW OT-363, MIL-STD-202, OT-363 DS31039 MMBZ5221 MMBZ5259BS zener diode B 3 cu marking code zener marking KE2 SOT363 MARKING CODE BS marking code diode 4P MMBZ5223BS MMBZ5225BS MMBZ5226BS MMBZ5227BS