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

    BFR35A Search Results

    BFR35A Datasheets (23)

    Select Manufacturer
    Part ECAD Model Manufacturer Description Datasheet Type PDF PDF Size Page count
    BFR35A
    Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF 106.9KB 1
    BFR35A
    Unknown Shortform Transistor Datasheet Guide Short Form PDF 94.94KB 1
    BFR35A
    Unknown Diode, Transistor, Thyristor Datasheets and more Scan PDF 74.3KB 1
    BFR35A
    Siemens Semiconductor Manual, Discrete Industrial Types 1974 Scan PDF 67.08KB 3
    BFR35A
    Siemens NPN SILICON TRANSISTOR FOR LOW-NOISE RF BROADBAND AMPLIFIERS AND HIGH-SPEED SWITCHING APPLICATIONS Scan PDF 94.32KB 4
    BFR35A
    Siemens Semiconductor Data Book (German) 1976/77 Scan PDF 59.78KB 3
    BFR35AP
    Infineon Technologies NPN Silicon RF Transistor Original PDF 24.73KB 3
    BFR35AP
    Infineon Technologies NPN Silicon RF transistor for low distortion broadband amplifiers-oscillators Original PDF 107.64KB 6
    BFR35AP
    Infineon Technologies Si RF Transistors, fT < 24 GHz; Package: PG-SOT23-3; VCEO (max): 15.0 V; IC(max): 45.0 mA; Ptot (max): 280.0 mW; fT (typ): 5.0 GHz; F (typ): 1.4 dB; Original PDF 50.49KB 5
    BFR35AP
    Siemens RF-Transistors, MMICs, RF-Diodes, AF-Diodes, AF-Schottky Diodes and RF-Schottky Diodes Guide Original PDF 465.63KB 37
    BFR35AP
    Siemens Cross Reference Guide 1998 Original PDF 27.35KB 7
    BFR35AP
    Siemens Npn Silicon Rf Transistor (for Low Distortion Broadband Amplifiers and Oscillators Up To 2ghz At Collector Currents From 0.5ma To 20ma) Original PDF 20.55KB 3
    BFR35AP
    Unknown Semiconductor Master Cross Reference Guide Scan PDF 113.77KB 1
    BFR35AP
    Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF 106.9KB 1
    BFR35APE6327
    Infineon Technologies TRANS GP BJT NPN 15V 0.045A Original PDF 48.85KB 5
    BFR35APE6327
    Infineon Technologies RF Transistors (BJT), Discrete Semiconductor Products, TRANSISTOR RF NPN 15V SOT-23 Original PDF 6
    BFR35APE6327HTSA1
    Infineon Technologies Discrete Semiconductor Products - Transistors - Bipolar (BJT) - RF - TRANSISTOR RF NPN 15V SOT-23 Original PDF 605.21KB
    BFR35APGEG
    Infineon Technologies TRANS GP BJT NPN 15V 0.0 Original PDF 48.85KB 5
    BFR35AP-TR
    Infineon Technologies TRANS GP BJT NPN 15V 0.045A Original PDF 48.85KB 5
    BFR35(A)R
    Unknown Silicon NPN Transistor Scan PDF 94.33KB 4
    SF Impression Pixel

    BFR35A Price and Stock

    Select Manufacturer

    Infineon Technologies AG BFR35APE6327HTSA1

    Transistor: NPN; bipolar; RF; 15V; 45mA; 280mW; SOT23
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    TME BFR35APE6327HTSA1 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.11
    Get Quote
    Verical () BFR35APE6327HTSA1 351,000 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 274,968 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 239,875 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 69,000 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 6,000 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 3,318 16
    • 1 -
    • 10 -
    • 100 $0.11
    • 1000 $0.11
    • 10000 $0.11
    Buy Now
    BFR35APE6327HTSA1 3,000 2,453
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.14
    Buy Now
    BFR35APE6327HTSA1 3,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.13
    Buy Now
    BFR35APE6327HTSA1 177 63
    • 1 -
    • 10 -
    • 100 $0.13
    • 1000 $0.13
    • 10000 $0.13
    Buy Now
    Avnet Americas BFR35APE6327HTSA1 Tape & Reel 30 Weeks 6,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.09
    Buy Now
    Mouser Electronics BFR35APE6327HTSA1
    • 1 $0.33
    • 10 $0.20
    • 100 $0.16
    • 1000 $0.15
    • 10000 $0.13
    Get Quote
    Arrow Electronics () BFR35APE6327HTSA1 Cut Strips 3,318 30 Weeks 1
    • 1 $0.30
    • 10 $0.18
    • 100 $0.14
    • 1000 $0.13
    • 10000 $0.12
    Buy Now
    BFR35APE6327HTSA1 3,000 30 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.12
    Buy Now
    BFR35APE6327HTSA1 Cut Strips 177 30 Weeks 1
    • 1 $0.13
    • 10 $0.13
    • 100 $0.13
    • 1000 $0.13
    • 10000 $0.13
    Buy Now
    Newark () BFR35APE6327HTSA1 Tape & Reel 2,800 100
    • 1 -
    • 10 -
    • 100 $0.22
    • 1000 $0.21
    • 10000 $0.21
    Buy Now
    BFR35APE6327HTSA1 Cut Tape 2,800 5
    • 1 -
    • 10 $0.24
    • 100 $0.22
    • 1000 $0.21
    • 10000 $0.21
    Buy Now
    Rochester Electronics BFR35APE6327HTSA1 943,843 1
    • 1 -
    • 10 -
    • 100 $0.15
    • 1000 $0.12
    • 10000 $0.11
    Buy Now
    EBV Elektronik BFR35APE6327HTSA1 31 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Infineon Technologies AG BFR 35AP E6327

    RF Bipolar Transistors NPN Silicon RF TRANSISTOR
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics BFR 35AP E6327 229
    • 1 $1.14
    • 10 $0.79
    • 100 $0.50
    • 1000 $0.23
    • 10000 $0.14
    Buy Now

    Siemens BFR35APGE

    NPN SILICON RF TRANSISTOR RF Small Signal Bipolar Transistor, 0.045A I(C), 1-Element, L Band, Silicon, NPN, TO-236
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    ComSIT USA BFR35APGE 12,456
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Siemens BFR35AP

    NPN SILICON RF TRANSISTOR RF Small Signal Bipolar Transistor, 0.045A I(C), 1-Element, L Band, Silicon, NPN, TO-236
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    ComSIT USA BFR35AP 7,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Infineon Technologies AG BFR35APE6327

    INSTOCK
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Chip 1 Exchange BFR35APE6327 3,732
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    BFR35A Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    Contextual Info: BFR35AP Low Noise Silicon Bipolar RF Transistor • For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents from 0.5mA to 20 mA • Pb-free RoHS compliant package • Qualification report according to AEC-Q101 available ESD (Electrostatic discharge) sensitive device, observe handling precaution!


    Original
    bfr35apaec-q101 PDF

    K2 SOT23-3

    Abstract: sot23 marking zs BFR35AP BFR35A
    Contextual Info: BFR35AP NPN Silicon RF Transistor 3  For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents from 0.5mA to 20 mA 2 1 VPS05161 ESD: Electrostatic discharge sensitive device, observe handling precaution! Type BFR35AP Marking


    Original
    bfr35apvps05161aug-01-2001k2 sot23-3+2sot23 marking zsbfr35a PDF

    BCW66

    Abstract: BFR35AP MARKING CODE 21E SOT23
    Contextual Info: BFR35AP NPN Silicon RF Transistor • For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents 2 3 from 0.5mA to 20 mA 1 ESD Electrostatic discharge sensitive device, observe handling precaution! Type BFR35AP Marking GEs Pin Configuration


    Original
    bfr35ap15maybcw66marking code 21e sot23 PDF

    BFR35AP

    Contextual Info: , Una. TELEPHONE: 973 376-2922 (212)227-6005 FAX: (973) 376-8960 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. BFR35AP Silicon NPN RF Transistor DESCRIPTION • Low Noise Figure NF = 1.8 dB TYP. @VCE = 6 V, lc = 2 mA, f = 900 MHz • High Gain I S21e I 2 = 12.5 dB TYP. @VCE= 8 V,lc = 15 mA,f = 900 MHz


    Original
    bfr35ap500mhz900mhz PDF

    Contextual Info: BFR35AP NPN Bipolar RF Transistor • For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents 2 3 from 0.5mA to 20 mA 1 • Pb-free RoHS compliant package • Qualification report according to AEC-Q101 available ESD (Electrostatic discharge) sensitive device, observe handling precaution!


    Original
    bfr35apaec-q101 PDF

    Contextual Info: BFR35AP NPN Silicon RF Transistor • For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents 2 3 from 0.5mA to 20 mA 1 • Pb-free RoHS compliant package ESD (Electrostatic discharge) sensitive device, observe handling precaution!


    Original
    bfr35ap PDF

    Contextual Info: BFR35AP NPN Silicon RF Transistor 3  For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents from 0.5mA to 20 mA 2 1 VPS05161 ESD: Electrostatic discharge sensitive device, observe handling precaution! Type BFR35AP Marking


    Original
    bfr35apvps05161 PDF

    Contextual Info: BFR35AP NPN Silicon RF Transistor 3  For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents from 0.5mA to 20 mA 2 1 VPS05161 ESD: Electrostatic discharge sensitive device, observe handling precaution! Type BFR35AP Marking


    Original
    bfr35apvps05161 PDF

    BCW66

    Abstract: BFR35AP
    Contextual Info: BFR35AP NPN Silicon RF Transistor • For low distortion broadband amplifiers and oscillators up to 2GHz at collector currents 2 3 from 0.5mA to 20 mA 1 • Pb-free RoHS compliant package 1) • Qualified according AEC Q101 ESD (Electrostatic discharge) sensitive device, observe handling precaution!


    Original
    bfr35apbcw66 PDF

    Contextual Info: 32E D m Ô23b320 OGlb^flS S WÊ SIP NPN Silicon RF Transistor SIEMENS/ SP C Li SEMICONDS BFR35AP _ • For broadband amplifiers up to 2 GHz and fast non­ saturated switches at collector currents from 0.5 to 20 mA. ESD: Electrostatic discharge sensitive device, observe handling precautions!


    OCR Scan
    23b320bfr35ap62702-fot-23+1t-31-17 PDF

    BFT97

    Abstract: Siemens 1985 BFT65 bfr91a siemens BFQ64P BFT98T BFS55A bf254 BFR96S
    Contextual Info: S IE M E N S / SPCLt SEMICONDS ' ' ?QC D • fiS 3b 3E Q 0013325 1 ■ RF Transistors Type PNP= P NPN= N Typical Application epitaxial=E planar = PL E, PL Maximum Ratings Vcbo V VcEO (V) ^80 (V) (mA) fe ft (°C) 40 25 4 25 150 Plot (mW) (°C/W) 500 N Uncontrolled TV IF amplifier stages


    OCR Scan
    bf199bf240bf241bf254+14bf255bf414bf420bf420lbf421bf421lbft97siemens 1985bft65bfr91a siemensbfq64pbft98tbfs55abfr96s PDF

    BDP 284

    Abstract: BAV 217 Q62702-C2259 BAT 545 Q62702F1240 Q62702-A773 bdp 497 Q62702-C944 Q62702-D339 Q62702-C1529
    Contextual Info: SIEMENS List of Types in Alphanumerical Order Type Ordering Code Page BA 582 BA 585 BA 592 BA 595 BA 597 BA 885 BAL 74 BAL 99 BAR 14-01 BAR 15-01 BAR 16-01 BAR 17 BAR 60 BAR 61 BAR 63 BAR 63-03W BAR 63-04 BAR 63-05 BAR 63-06 BAR 64 BAR 64-03W BAR 64-04 BAR 64-05


    OCR Scan
    3-03w4-03w5-03wq62702-a829+16q62702-a859q62702-a950q62702-a952q62702-a608q62702-a718q62702-a687bdp 284bav 217q62702-c2259bat 545q62702f1240q62702-a773bdp 497q62702-c944q62702-d339q62702-c1529 PDF

    Transistor BFR 97

    Abstract: Transistor BFR 39 transistor npn d 2058 Transistor BFR 35 Transistor BFR 98 Transistor BFR 38 Transistor BFR 80 Transistor BFR 91 K 2056 transistor Transistor BFR 79
    Contextual Info: 2SC D • fl23SbOS Q0QMb74 T H S I E G NPN Silicon Transistor for Low-Noise RF Broadband Amplifiers and High-Speed Switching Applications BFR 35 A BFR 35 AR 0 '7 Z3 I - / S 2 N 6619 SIEMENS AKTIENGESELLSCHAF ’4 BFR 35 A is an epitaxial NPN silicon planar RF transistor in TO 2 3 6 plastic package


    OCR Scan
    fl23sbosq0qmb742n6619023sbos+1200g4b77bfr35atransistor bfr 97transistor bfr 39transistor npn d 2058transistor bfr 35transistor bfr 98transistor bfr 38transistor bfr 80transistor bfr 91k 2056 transistortransistor bfr 79 PDF

    MRF581

    Abstract: 2SK163 BFG480W NB b6 smd transistor 2SK508 SMD transistor n36 bf998 TEF6860HL 3SK290 baw 92
    Contextual Info: RF᠟‫ݠ‬㄀8⠜ RF RFׂ೗‫ڦ‬ᆌᆩࢅยऺ๮֩ 2006౎6ሆ ݀քන೺ǖ2006౎6ሆ ࿔ॲຩႾࡽǖ9397 750 15589 Henk RoelofsLjޭጺ֋&ጺঢ়૙RFׂ೗ ०঻ ௅ᅃӲԨ࿢்‫ࣷۼ‬ၠጲम༵‫؜‬཈቟ᅜ߀฀࿢்‫ڦ‬RF๮֩ă‫ڼ‬8Ӳᄺփ૩ྔă࿢்ᅙཁेକ߸‫ܠ‬एᇀ


    Original
    mrf5812sk163bfg480wnb b6 smd transistor+62sk508smd transistor n36bf998tef6860hl3sk290baw 92 PDF

    BFQ58

    Abstract: BFQ57 BFT99 RF Bipolar Transistors BFT97 BFP194 BF840 BFT65 BFR34A BF450
    Contextual Info: Microwave, RF & Tuner Transistors For complete package outlines, refer to pages PO-1 through PO-6 RF Bipolar Transistors N=NPN P=PNP BF199 BF240 BF241 BF254 BF255 BF414 BF450 BF451 BF506 BF606A BF763 BF959 BF970 BFQ57 BFQ58 BFQ69 BFQ70 BFQ71 BFQ72 BFQ73 BFQ73S


    OCR Scan
    6535b0500m5mgflbf199o-92d+13bf599bf240bf840bf241bfq58bfq57bft99rf bipolar transistorsbft97bfp194bft65bfr34abf450 PDF

    2SC3355 SPICE MODEL

    Abstract: transistor C2003 C319B MGF1412 RF TRANSISTOR 10GHZ MRF134 rf model .lib file 2SK571 MGF1402 MRF9331 pb_hp_at41411_19921101
    Contextual Info: Vendor Component Libraries RF Transistor Library May 2003 Notice The information contained in this document is subject to change without notice. Agilent Technologies makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness


    Original
    f2002f2003f20042sc3355 spice model+9transistor c2003c319bmgf1412rf transistor 10ghzmrf134 rf model .lib file2sk571mgf1402mrf9331pb_hp_at41411_19921101 PDF

    BF963

    Abstract: 1N4004 SOD-123 BC547 smd BB409 2n2907 smd BAT16-046 1N4148 2N2907 SOT-23 1N4148 SOD-123 2n2222 smd
    Contextual Info: Cross Reference Leaded Devices SMD-Packages SOD-123 1N4001 1N4002 1N4003 1N4004 1N4001 2x 1N4002 (2x) 1N4003 (2x) 1N4004 (2x) 1N4148 1N4148 (2x) SOD-323 SCD-80 SOT-23 SOT-323 SOT-343 SOT-363 SCT-595 BAW 78 M BAS 16-02W BAS 16-03W BAS16 BAL/BAR74 BAL/BAR99


    Original
    od-1231n40011n40021n4003+111n40041n4148bf9631n4004 sod-123bc547 smdbb4092n2907 smdbat16-0462n2907 sot-231n4148 sod-1232n2222 smd PDF

    BC548 TRANSISTOR REPLACEMENT

    Abstract: TYN612 pin diagram 1n4007 smd, toshiba S0817MH TYN604 scr pin diagram kmz51 compass TRANSISTOR S1A 64 smd toshiba l 300 laptop motherboard circuit diagram JFET TRANSISTOR REPLACEMENT GUIDE j201 replacements for transistor NEC D 587
    Contextual Info: 5.2 5.4 5.46 5.124 5.130 5.130 5.140 5.180 Introduction Diodes & Rectifiers Transistors Triacs,Thyristors and Diacs Sensors Cross Reference General Application discretes Cross Reference Power discretes Cross Reference RF discretes Discrete Components 5.1 Introduction


    Original
    bap1321-02bap65-05bap65-03bap65-05w+16bap65-02bap63-03bap63-02bap64-03bap64-02bb143bc548 transistor replacementtyn612 pin diagram1n4007 smd, toshibas0817mhtyn604 scr pin diagramkmz51 compasstransistor s1a 64 smdtoshiba l 300 laptop motherboard circuit diagramjfet transistor replacement guide j201replacements for transistor nec d 587 PDF

    k2645

    Abstract: k4005 U664B mosfet k4005 MB8719 transistor mosfet k4004 SN16880N stk5392 STR451 BC417
    Contextual Info: 1 BHIAB Electronics Du som söker besvärliga IC & transistorer, börja Ditt sökande hos oss – vi har fler typer på lager än man rimlingen kan begära av ett företag Denna utgåva visar lagerartiklar men tyvärr saknas priser och viss information Men uppdatering sker kontinuerligt


    Original
    mk135mk136mk137mk138+16mk139mk140mk142mk145mk155157krk2645k4005u664bmosfet k4005mb8719transistor mosfet k4004sn16880nstk5392str451bc417 PDF

    uaf4000

    Abstract: toshiba smd marking code transistor smd code marking wl sot23 RF LNB C band chipset M74 marking BFG480W SMD transistor n36 vHF amplifier module 2450Mhz TOSHIBA DIODE CATALOG DIODE RF DETECTOR
    Contextual Info: RFマニュアル第9版 RF製品用のアプリケーションおよび設計マニュアル 2006年11月 date of release: November 2006 document order number: 9397 750 15817 Henk RoelofsRF製品担当副社長兼ゼネラル・マネージャー はじめに


    Original
    20ghzuaf4000toshiba smd marking code transistorsmd code marking wl sot23+7rf lnb c band chipsetm74 markingbfg480wsmd transistor n36vhf amplifier module 2450mhztoshiba diode catalogdiode rf detector PDF

    smd code book

    Abstract: transistor SMD P1f marking code W16 SMD Transistor TRANSISTOR SMD MARKING CODE jg smd transistor WW1 Transistor SMD a7s DIODE SMD L4W smd diode zener code pj 78 smd transistor wv4 Motorola transistor smd marking codes
    Contextual Info: The SMD Code Book 1st character of code 0123456789 ABCDEFGHI JKLMNOPQ R STUVWXYZ Bases The SMD Codebook R P Blackwell, GM4PMK To look up a coded device, click on the first character of the device code in the table on the left. A-F G-K L-P Q-V W-Z AQ-FQ GQ-LQ


    Original
    od-80od123/323ot-23ot346+16ot-323ot-416ot-223ot-89ot-143ot-363smd code booktransistor smd p1fmarking code w16 smd transistortransistor smd marking code jgsmd transistor ww1transistor smd a7sdiode smd l4wsmd diode zener code pj 78smd transistor wv4motorola transistor smd marking codes PDF

    IAO5 Sharp

    Abstract: free transistor equivalent book 2sc siemens transistor asy 27 Diode BAY 61 TRANSISTOR BJ 131-6 tesla typ 202 thyristor Tesla z1072 HALL EFFECT 21E z1071
    Contextual Info: SIEM EN S Semiconductor Manual Discrete Industrial Types 1974 ACY 23, ACY 32 PNP Transistors for AF pre-stages The ACY 23 and ACY 32 are alloyed germanium PNP transistors in the case 1 A 3 DIN 41871 sim. TO -1 . The leads are electrically insulated from the case. The


    OCR Scan
    q60103-ths10to3530to4600+10iao5 sharpfree transistor equivalent book 2scsiemens transistor asy 27diode bay 61transistor bj 131-6tesla typ 202 thyristorteslaz1072hall effect 21ez1071 PDF

    tcxo philips 4322

    Abstract: philips tcxo 4322 190 ISO9001-Certified philips bfq32 philips bare die datasheet 2SK170BL ON4749 philips BFG196 S8740230 toshiba fet databook 2sk162 hitachi
    Contextual Info: RF Manual 5th edition Product and design manual for RF Products October 2004 Semiconductors RF Manual Philips Semiconductors 5th edition Product and design manual for RF Products  Koninklijke Philips Electronics N.V. 2004 All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The


    Original
    tcxo philips 4322philips tcxo 4322 190iso9001-certified philipsbfq32 philips bare die datasheet+62sk170blon4749philips bfg196s8740230toshiba fet databook2sk162 hitachi PDF

    BFT65

    Abstract: D1279 Siemens 1414 D1275 germanium Germanium drift transistor diode a811 Siemens Halbleiter germanium transistor legiert
    Contextual Info: Table of Contents Selection Guide Ordering Codes Inhaltsverzeichnis Typeniibersicht Bestellnummern Scope of Applications Technical Information Quality Specifications Einsatzhinweise Technische Angaben Qualitatsangaben Package Outlines Mounting Instructions


    OCR Scan
    bft65d1279siemens 1414d1275+6germaniumgermanium drift transistordiode a811siemens halbleitergermanium transistorlegiert PDF