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

    2SD28 Search Results

    SF Impression Pixel

    2SD28 Price and Stock

    Samtec Inc MTSW-110-22-S-D-280

    CONN HDR .100" 20POS
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MTSW-110-22-S-D-280 Bulk 1
    • 1 $4.11
    • 10 $4.11
    • 100 $4.11
    • 1000 $4.11
    • 10000 $4.11
    Buy Now
    Avnet Americas MTSW-110-22-S-D-280 Bulk 1
    • 1 $4.11
    • 10 $4.11
    • 100 $2.85
    • 1000 $1.95
    • 10000 $1.95
    Buy Now
    Mouser Electronics MTSW-110-22-S-D-280
    • 1 $4.11
    • 10 $4.11
    • 100 $2.85
    • 1000 $1.95
    • 10000 $1.37
    Get Quote
    Newark MTSW-110-22-S-D-280 Bulk 1
    • 1 $3.81
    • 10 $3.64
    • 100 $3.06
    • 1000 $2.19
    • 10000 $1.98
    Buy Now
    Powell Electronics MTSW-110-22-S-D-280 586 1
    • 1 $4.11
    • 10 $4.11
    • 100 $2.85
    • 1000 $1.95
    • 10000 $1.95
    Buy Now
    Master Electronics MTSW-110-22-S-D-280
    • 1 -
    • 10 $3.63
    • 100 $3.05
    • 1000 $2
    • 10000 $1.38
    Buy Now
    Sager MTSW-110-22-S-D-280 888 1
    • 1 $4.11
    • 10 $4.11
    • 100 $2.85
    • 1000 $1.95
    • 10000 $1.76
    Buy Now

    JRH Electronics MTSW-110-22-S-D-280

    PIN HEADER, BOARD-TO-BOARD, 2.54
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MTSW-110-22-S-D-280 Bulk 1
    • 1 $7.47
    • 10 $7.47
    • 100 $7.47
    • 1000 $3.54545
    • 10000 $3.54545
    Buy Now

    JRH Electronics MTSW-113-12-S-D-280

    CONN HEADER VERT 26POS 2.54MM
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MTSW-113-12-S-D-280 Bulk 1
    • 1 $9.16
    • 10 $9.16
    • 100 $7.3273
    • 1000 $5.65456
    • 10000 $5.65456
    Buy Now

    Samtec Inc MTSW-113-12-S-D-280

    CONN HEADER VERT 26POS 2.54MM
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MTSW-113-12-S-D-280 Bulk 1
    • 1 $5.04
    • 10 $5.04
    • 100 $5.04
    • 1000 $5.04
    • 10000 $5.04
    Buy Now
    Mouser Electronics MTSW-113-12-S-D-280
    • 1 $5.04
    • 10 $5.04
    • 100 $4.03
    • 1000 $2.8
    • 10000 $1.57
    Get Quote
    Newark MTSW-113-12-S-D-280 Bulk 1
    • 1 $5.71
    • 10 $5.48
    • 100 $4.52
    • 1000 $3.34
    • 10000 $3.17
    Buy Now
    Powell Electronics MTSW-113-12-S-D-280 187 1
    • 1 $5.04
    • 10 $5.04
    • 100 $4.03
    • 1000 $3.11
    • 10000 $3.11
    Buy Now

    Samtec Inc MTSW-109-22-S-D-285

    CONN HEADER VERT 18POS 2.54MM
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MTSW-109-22-S-D-285 Bulk 1
    • 1 $3.7
    • 10 $3.7
    • 100 $3.7
    • 1000 $3.7
    • 10000 $3.7
    Buy Now
    Mouser Electronics MTSW-109-22-S-D-285
    • 1 $3.7
    • 10 $3.7
    • 100 $2.56
    • 1000 $1.76
    • 10000 $1.23
    Get Quote
    Newark MTSW-109-22-S-D-285 Bulk 1
    • 1 $4.54
    • 10 $4.54
    • 100 $3.33
    • 1000 $1.8
    • 10000 $1.8
    Buy Now

    2SD28 Datasheets (135)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    2SD28 Fuji-SVEA Japanese 2S Transistor Cross Reference Datasheet Scan PDF
    2SD28 Motorola Motorola Semiconductor Data & Cross Reference Book Scan PDF
    2SD28 Unknown Transistor Shortform Datasheet & Cross References Scan PDF
    2SD28 Unknown Japanese Transistor Cross References (2S) Scan PDF
    2SD28 Unknown Cross Reference Datasheet Scan PDF
    2SD28 Unknown Transistor Replacements Scan PDF
    2SD28 Unknown Semiconductor Master Cross Reference Guide Scan PDF
    2SD28 Unknown Transistor Substitution Data Book 1993 Scan PDF
    2SD28 Unknown Shortform Transistor Datasheet Guide Short Form PDF
    2SD28 Unknown Shortform Data and Cross References (Misc Datasheets) Short Form PDF
    2SD28 Unknown Shortform IC and Component Datasheets (Plus Cross Reference Data) Short Form PDF
    2SD28 Unknown The Japanese Transistor Manual 1981 Scan PDF
    2SD280 Fuji-SVEA Japanese 2S Transistor Cross Reference Datasheet Scan PDF
    2SD280 Unknown Transistor Shortform Datasheet & Cross References Scan PDF
    2SD280 Unknown The Japanese Transistor Manual 1981 Scan PDF
    2SD280 Unknown Shortform Data and Cross References (Misc Datasheets) Short Form PDF
    2SD281 Fuji-SVEA Japanese 2S Transistor Cross Reference Datasheet Scan PDF
    2SD281 Unknown The Japanese Transistor Manual 1981 Scan PDF
    2SD282 Fuji-SVEA Japanese 2S Transistor Cross Reference Datasheet Scan PDF
    2SD282 Unknown The Japanese Transistor Manual 1981 Scan PDF
    ...

    2SD28 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    2SD287

    Abstract: 100W AUDIO ic AMPLIFIER 2SB539 120v 100w amplifier
    Text: isc Product Specification INCHANGE Semiconductor isc Silicon PNP Power Transistors 2SB539 DESCRIPTION •Collector-Emitter Breakdown Voltage: V BR CEO= -120V(Min) ·High Power Dissipation: PC= 100W(Max)@TC=25℃ ·Complement to Type 2SD287 APPLICATIONS ·Designed for audio frequency power amplifier applications.


    Original
    PDF 2SB539 -120V 2SD287 -120V; 2SD287 100W AUDIO ic AMPLIFIER 2SB539 120v 100w amplifier

    2SD288

    Abstract: transistor 2sd288
    Text: 2SD288 NPN EPITAXIAL SILICON TRANSISTOR LOW FREQUENCY POWER AMPLIFIER * TO-220 ABSOLUTE MAXIMUM RATINGS TA=25oC Characteristic Collector-Base Voltage Collector-Emitter Voltage Emitter-Base voltage Collector Current (DC) Collector Dissipation (Tc=25oC) Junction Temperature


    Original
    PDF 2SD288 O-220 2SD288 transistor 2sd288

    2SD288

    Abstract: No abstract text available
    Text: SavantIC Semiconductor Product Specification 2SD288 Silicon NPN Power Transistors DESCRIPTION •With TO-220C package ·Collector-base voltage : VCBO=80V ·Collector dissipation : PC=25W TC=25 APPLICATIONS ·Low frequency power amplifier ·Power regulator applications


    Original
    PDF 2SD288 O-220C 2SD288

    2sd288

    Abstract: 2sD288 Y
    Text: Inchange Semiconductor Product Specification 2SD288 Silicon NPN Power Transistors • DESCRIPTION ·With TO-220C package ·Collector-base voltage : VCBO=80V ·Collector dissipation : PC=25W TC=25℃ APPLICATIONS ·Low frequency power amplifier ·Power regulator applications


    Original
    PDF 2SD288 O-220C 2sd288 2sD288 Y

    sn76131

    Abstract: tlo72cp TOSHIBA 2N3055 M53207P 2N3055 TOSHIBA KIA7313AP kia7640ap LA5530 M5L8155P TBB1458B
    Text: ACTIVE ELECTRONICS COMPONENTS CROSS REFERENCE GUIDE 2SC429GTM 2SC458 2SC458LG 2SC503 2SC504 2SC510 2SC512 2SC519 2SC520A 2SC594 2SC699A 2SC780 2SC809-1 2SC945 2SC3012 2SC3074 2SC3114 2SC3115 2SC3116 2SC3117 2SC3134 2SC3135 2SC3138 2SC3143 2SC3144 2SC3145 2SC3157


    Original
    PDF 2SC429GTM 2SC458 2SC458LG 2SC503 2SC504 2SC510 2SC512 2SC519 2SC520A 2SC594 sn76131 tlo72cp TOSHIBA 2N3055 M53207P 2N3055 TOSHIBA KIA7313AP kia7640ap LA5530 M5L8155P TBB1458B

    2sb405

    Abstract: 2SD78 2SD67 circuit 2SB405 2SD78A 2SD74 2SB22 2SD88A 2SD82 2Sd92
    Text: Absolutes maximum ratings Ta=25ºC PartNumber VCBO VEBO Ic Pc Tj (V) (V) (mA) (mW) (ºC) 2SD11 25 15 300 150 85 2SD12 75 4 2.5A 60W(Tc=25ºC) 150 2SD13 35 4 10A 100W(Tc=25ºC) 150 2SD14 75 4 10A 100W(Tc=25ºC) 150 2SD15 60 6 6A 80W(Tc=25ºC) 150 2SD16 100


    Original
    PDF 2SD11 2SD12 2SD13 2SD14 2SD15 2SD16 2SD17 2SD18 2SD19 2SD20 2sb405 2SD78 2SD67 circuit 2SB405 2SD78A 2SD74 2SB22 2SD88A 2SD82 2Sd92

    2SB528

    Abstract: 2SB540 2SB511 2Sd358 2SB525 2SB526 2SB527 2SB530 2SD287 2SB539
    Text: Absolutes maximum ratings Ta=25ºC PartNumber VCBO VEBO Ic Pc (V) (V) (mA) (mW) 2SB502 -110 -8 -3A 2SB502A -110 -10 -3A 2SB503 -70 -8 -3A 2SB503A -80 -10 -3A 2SB504 2SB504A -80 -100 -10 -2A -10 -2A 2SB505 -80 -10 -2A 2SB506 -150 -7 -5A 2SB506A -150 -7 -5A


    Original
    PDF 2SB502 2SB502A 2SB503 2SB503A 2SB504 2SB504A 2SB505 2SB506 2SB506A 2SB507 2SB528 2SB540 2SB511 2Sd358 2SB525 2SB526 2SB527 2SB530 2SD287 2SB539

    BUV48I

    Abstract: BU808DXI BD699 buv18a BD241CFI transistor 2SA1046 BUW52I BU808DFI equivalent BU724AS 2SA1046
    Text: BIPOLAR TRANSISTOR INTRODUCTION TO BIPOLAR CROSS REFERENCE In order to improve our overall service, SGS-THOMSON has introduced a system of preferred transistor sales types. The following cross-reference is intended as a guide to identify sales types that may be suitable


    Original
    PDF 2N3016 2N3021 2N3022 2N3023 2N3024 2N3025 2N3026 2N3055 2N3076 2N3171 BUV48I BU808DXI BD699 buv18a BD241CFI transistor 2SA1046 BUW52I BU808DFI equivalent BU724AS 2SA1046

    alternator diode 1776 B

    Abstract: 2az marking transistor sot-23 SMD SOT23 transistor MARK Y2 ic mb4213 NEC 12F triac F10P048 ktc3114 equivalent SMD TRANSISTOR MARKING 02N DIODE PJ 57 ss14 BC517 equivalent
    Text: Transistors Transistors Diodes Diodes Thyristors Thyristors SAW SAW Device Device Dielectric Dielectric Device Device Integrated Integrated Circuit Circuit Table of Contents Index 5 SMD Transistors Line-up PNP Transistors Transistors Line-up (NPN Transistors)


    Original
    PDF Hig86-755-3679515 alternator diode 1776 B 2az marking transistor sot-23 SMD SOT23 transistor MARK Y2 ic mb4213 NEC 12F triac F10P048 ktc3114 equivalent SMD TRANSISTOR MARKING 02N DIODE PJ 57 ss14 BC517 equivalent

    STK411-230E

    Abstract: STK411-220E stk442-130 UPC2581V PAL005A FN1016 STRG6153 RSN313H25 STK407-070B MCZ3001D
    Text: R Serving The Electronic Industry Since 1982 Ordering at Dalbani is so easy Go to : www.dalbani.com Search & check stock Busque y revise nuestro inventario A Search Enter your Item number and click GO Entre el numero del producto y haga clicsobre GO The system will take you straight to the Item that you are looking for


    Original
    PDF STVDST-01 CAT22 STK411-230E STK411-220E stk442-130 UPC2581V PAL005A FN1016 STRG6153 RSN313H25 STK407-070B MCZ3001D

    2sk2500

    Abstract: UPC1037HA UPC648C 2SK927 NEC 2SK2500 uPD5201G UPA64HA UPD6360C 2SH24 n13t1
    Text: お客様各位 カタログ等資料中の旧社名の扱いについて 2010 年 4 月 1 日を以って NEC エレクトロニクス株式会社及び株式会社ルネサステクノロジ が合併し両社の全ての事業が当社に承継されております。従いまして、本資料中には旧社


    Original
    PDF C11178JJCV0IF0012 C11178JJCV0IF MIL-HDBK-217 MILMIL10100 MIL-HDBK-217Fit 2sk2500 UPC1037HA UPC648C 2SK927 NEC 2SK2500 uPD5201G UPA64HA UPD6360C 2SH24 n13t1

    2N5657 equivalent

    Abstract: 2SA1046 BU326 BU108 BU100 2SC2331 Y tip47 419 2N3792 application notes
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA 2N5655 2N5656 2N5657 Plastic NPN Silicon High-Voltage Power Transistor . . . designed for use in line–operated equipment such as audio output amplifiers; low–current, high–voltage converters; and AC line relays.


    Original
    PDF 2N5655 2N5656 2N5657 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A TIP75B 2N5657 equivalent 2SA1046 BU326 BU108 BU100 2SC2331 Y tip47 419 2N3792 application notes

    MJE494

    Abstract: 2SC1419 BD 804 2SD675 MJE104 BD581 BD135 CURVES MJ1000 DTS-4041 2N5037
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA BD157 BD158 BD159 Plastic Medium Power NPN Silicon Transistor . . . designed for power output stages for television, radio, phonograph and other consumer product applications. 0.5 AMPERE POWER TRANSISTORS NPN SILICON 250 – 300 – 350 VOLTS


    Original
    PDF BD157 BD158 BD159 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A TIP75B MJE494 2SC1419 BD 804 2SD675 MJE104 BD581 BD135 CURVES MJ1000 DTS-4041 2N5037

    2SD669 equivalent

    Abstract: BD801 BDY29 equivalent BU108 2SC2080 2SD436 2N6021 BD345 tip122 D-PAK package 2SD544
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA 2N6609 See 2N3773 Darlington Silicon Power Transistors 2N6667 2N6668 . . . designed for general–purpose amplifier and low speed switching applications. • High DC Current Gain — hFE = 3500 (Typ) @ IC = 4 Adc • Collector–Emitter Sustaining Voltage — @ 200 mAdc


    Original
    PDF 2N6609 2N3773) 2N6667 2N6668 220AB 2N6387, 2N6388 2SD669 equivalent BD801 BDY29 equivalent BU108 2SC2080 2SD436 2N6021 BD345 tip122 D-PAK package 2SD544

    "Tektronix 475"

    Abstract: equivalent 2n6488 TIP42C EQUIVALENT BU108 motorola darlington power transistor motorola 266 TO-204AA transistor D45H11 equivalent replacement pnp bux TRANSISTOR REPLACEMENT table for transistor tip3055 equivalent
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA BUX48 BUX48A SWITCHMODE II Series NPN Silicon Power Transistors 15 AMPERES NPN SILICON POWER TRANSISTORS 400 AND 450 VOLTS V BR CEO 850 – 1000 VOLTS V(BR)CEX 175 WATTS The BUX 48/BUX 48A transistors are designed for high–voltage, high–speed,


    Original
    PDF 48/BUX BUX48 BUX48A AMPERE32 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A "Tektronix 475" equivalent 2n6488 TIP42C EQUIVALENT BU108 motorola darlington power transistor motorola 266 TO-204AA transistor D45H11 equivalent replacement pnp bux TRANSISTOR REPLACEMENT table for transistor tip3055 equivalent

    D42C5

    Abstract: transistor bc 647 2N5302 EB pin out TRANSISTOR tip2955 bs170 replacement 2sc141 BU108 bc 658 Motorola transistors MJE3055 TO 127 MC7812 TO-220
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA  Data Sheet SCANSWITCH Designer's MJE16204 NPN Bipolar Power Deflection Transistor For High and Very High Resolution Monitors The MJE16204 is a state–of–the–art SWITCHMODE bipolar power transistor. It is


    Original
    PDF MJE16204 MJE16204 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A TIP75B TIP75C D42C5 transistor bc 647 2N5302 EB pin out TRANSISTOR tip2955 bs170 replacement 2sc141 BU108 bc 658 Motorola transistors MJE3055 TO 127 MC7812 TO-220

    mje521 equivalent

    Abstract: BU108 2N3055 plastic 2N6488 MOTOROLA Motorola transistors MJE3055 TO 127 3904 Transistor BDX54 tip122 tip127 audio amp BU326 BU100
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA MJE521 Plastic Medium-Power NPN Silicon Transistor 4 AMPERE POWER TRANSISTOR NPN SILICON 40 VOLTS 40 WATTS . . . designed for use in general–purpose amplifier and switching circuits. Recommended for use in 5 to 10 Watt audio amplifiers utilizing complementary symmetry


    Original
    PDF MJE521 MJE371 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A TIP75B TIP75C mje521 equivalent BU108 2N3055 plastic 2N6488 MOTOROLA Motorola transistors MJE3055 TO 127 3904 Transistor BDX54 tip122 tip127 audio amp BU326 BU100

    2N3055

    Abstract: BU108 AN415A MJE2955T ST BDX54 2n3055 audio amplifier application note BU326 BU100 mje13005 BDV64
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA PNP MJE2955T * NPN MJE3055T * Complementary Silicon Plastic Power Transistors . . . designed for use in general–purpose amplifier and switching applications. *Motorola Preferred Device • DC Current Gain Specified to 10 Amperes


    Original
    PDF MJE2955T MJE3055T TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A TIP75B TIP75C 2N3055 BU108 AN415A MJE2955T ST BDX54 2n3055 audio amplifier application note BU326 BU100 mje13005 BDV64

    2N5631 equivalent

    Abstract: 2N5630 "cross-reference" Chomerics BU108 2SA1046 tip122 tip127 audio amp BU326 BU100 2sd313 equivalent NPN/TIP42C as regulator
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA NPN 2N5630 High-Voltage Ċ High Power Transistors 2N5631 PNP 2N6030 . . . designed for use in high power audio amplifier applications and high voltage switching regulator circuits. • High Collector Emitter Sustaining Voltage —


    Original
    PDF 2N5630, 2N6030 2N5631, 2N6031 2N5630 2N5631 2N5631 equivalent 2N5630 "cross-reference" Chomerics BU108 2SA1046 tip122 tip127 audio amp BU326 BU100 2sd313 equivalent NPN/TIP42C as regulator

    BD179-10 equivalent

    Abstract: BU108 2SA1046 2SC7 BDX54 BUX98A BU326 BU100 bul1
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA BD179 BD179-10 Plastic Medium Power Silicon NPN Transistor 3.0 AMPERES POWER TRANSISTORS NPN SILICON 80 VOLTS 30 WATTS . . . designed for use in 5.0 to 10 Watt audio amplifiers and drivers utilizing complementary or quasi complementary circuits.


    Original
    PDF BD179 BD180 BD179-10 TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A BD179-10 equivalent BU108 2SA1046 2SC7 BDX54 BUX98A BU326 BU100 bul1

    sec tip41c

    Abstract: MJE493 2SC1419 2sc3281 2n3055 audio output circuit BDW93 MJ1000 BDW83 buv98a cross reference 2SC1943
    Text: MOTOROLA SEMICONDUCTOR TECHNICAL DATA NPN MJL3281A* PNP MJL1302A*  Data Sheet Designer's Complementary NPN-PNP Silicon Power Bipolar Transistor *Motorola Preferred Device 15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTS • The MJL3281A and MJL1302A are PowerBase power transistors for high power


    Original
    PDF MJL3281A MJL1302A MJL3281A* MJL1302A* TIP73B TIP74 TIP74A TIP74B TIP75 TIP75A sec tip41c MJE493 2SC1419 2sc3281 2n3055 audio output circuit BDW93 MJ1000 BDW83 buv98a cross reference 2SC1943

    2SD287C

    Abstract: 2SD287A 2SD287B 2SB539B 2sb539c 2SB539A
    Text: NEC SILICON POWER TRANSISTORS 2SB539A,B,C/2SD287A,B,C AUDIO FREQUENCY POWER AMPLIFIER PNP/NPN SILICON TRIPLE DIFFUSED MESA TRANSISTOR D E SC R IP T IO N The 2 S B 5 3 9 A ,B ,C and 2 S D 2 8 7 A ,B ,C are triple diffused mesa transistors designed for use in audio amplifier


    OCR Scan
    PDF 2SB539A C/2SD287A 2SB539A 2SB539B 2SB539C 2SD287A 2SD287B 2SD287C 2SD287A 2SD287B 2SB539B

    2SD287A

    Abstract: 2SB539A 2SB539 2SD287C
    Text: 2SD287A, B, C /2SB 539A , B, G 2SD287A, B, C 2SB539A, B, C N PN /PN P NPN/PNP S ILIC O N TRIPLE DIFFUSED M E S A TR A N S ISTO R / 'A u d i o FrequH ncy P o w e r A m p lifie r Jf » /F E A T U R E S • 70-8QW H; F i 7 ^ 7 'J / V 9 ' *< 7 - b 7 > 5> X 7


    OCR Scan
    PDF 2SD287A, C/2SB539A, 2SB539A, 0-80W 2SD287R 2SD287C C/2SD287A, 2SD287A 2SB539A 2SB539

    toshiba 2sd425

    Abstract: 2SC792 nec 2sd287 2SD427 2sd 311 2S0880 2SD287C 2SD1391 2SD313 2SD867
    Text: - m « € T y p e No. ' d 2SD 288 ^ 2SD 289 y B V B « a c 2SD 290 ^ 2SD 291 / 2SD 232 —• * 2SD 287 * 2SD 287C * * Manuf. h m SANYO 1m K 2 TOSHIBA A 2SD2023 V - — 2SD867 2SD1135 2SD1897 V - — 2SD880 2SD1135 2SD2023 ¿0UÖÖU ZÔU113ÏI ZSUZUZ3 * 2SD 312


    OCR Scan
    PDF 2SD287 2SD287C 2SD288 2SD289 2SD425 2SD425 2SD313 2SD313 2SD880 toshiba 2sd425 2SC792 nec 2sd287 2SD427 2sd 311 2S0880 2SD1391 2SD867