元器件型号列表RC06130JR


摘要:RC07GF512J RC0805E150RF100PPM100V125 RC0805-FRF-0782R5

浏览11次数 发布日期:2024-12-23

RC06130JR RC06134JR RC061400FR

RC061433FR RC061470FR RC0614W1

RC0614W806K RC061500FR RC06151JR

RC06151JR 150R RC06151JR150R RC06153JR

RC06154JR RC061580BR RC061580DR

RC061601FR RC061620FR RC061621FR

RC061740FR RC061820FR RC061821FR

RC061824FR RC061824FR RC06182JR

RC06183JR RC0618W1 RC0618W5

RC0618W5% RC061910FR RC061912FR

RC06195JR RC061R00FTP RC061R96FR+-1%

RC062000FR RC062001FR RC062002FR

RC06201JR RC06203JR RC06203JT

RC06204J RC0620R RC0621/150M

RC062202FR 22K RC062202FR22K RC06220JR

RC062210FR RC06221JR RC06222JR

RC06223JR RC06224JR RC06224JR 220K

RC06224JR220K RC062321FR RC062323FR

RC062402FR RC06240JR RC062490FR

RC062491FR RC062492FR RC062493FR249K

RC0624R0FR RC0624R3FR RC062701FR

RC06273JR RC06273JR RC062740FR

RC062742FR RC062800FR RC062871F

RC063001FR RC06302JR RC06303FR0756K

RC06303JR-075K1L RC0630JR-073K RC063161FR

RC063240FR RC063301FR RC06330JR

RC06331JR RC063323FR RC06332JR

RC06332JR+-5% RC06333JR RC06334JR

RC0633JR-074K7 RC063402FR RC063601FR

RC06364JR RC0638R3FR RC063901FR

RC06390JR RC06391JR RC063920FR

RC063922FR RC06392JR RC063FR-07200KL

RC063FR-074R75L RC063FR-1347KL RC063JR-07270KL

RC063JR071K RC063R3JR RC064023FR

RC064220F RC064220FR RC064302FR+-1%

RC06432JR RC06433FR+-1% RC064701FR

RC06470K RC06471JR RC06472JR

RC06473JR RC06474JR RC064751FR

RC0647R5FR+-1% RC064991FR RC064992BR

RC064R3JR RC064R7JR RC065%100E

RC06510JR RC065110FR RC065111FR

RC06511J RC06511JR RC0651R1FR

RC065360FR RC065361FR RC0654R9FR

RC065600FR RC06560J RC06560K1%0603

RC065622FR RC06562JR RC06562JR 5K6

RC06562JR5K6 RC06563JR RC065900FR

RC065R11 RC066042FR RC0660R4FR

RC0661R9F RC0661R9FR RC0661R9JR

RC066200FR RC066200FR RC066202FR

RC06623J RC0663FR-076K04L RC0663JR-070RL

RC066810FR RC066811FT RC066812FR

RC06681JR RC06681JR 680R RC06681JR680R

RC06682JR RC06683JR RC06684JR

RC0668K1%0603 RC0668R1FR RC0671R5BR

RC0671R5DR RC067502FR RC06750JR

RC0675R0FR RC0675RJR RC067683FR

RC067870 RC067R5FR RC068061FR

RC06812JR RC068200FR RC068252FR

RC0682R5KR RC068R2JR RC069103FR

RC06912JR RC069762FR RC06A-561

RC06A1002FT RC06A102JT RC06A122JT

RC06A1300FT RC06A220JT RC06A2432FT

RC06A2740FT RC06A470JT RC06A471JT

RC06A686JT RC06A84R5FT RC06B

RC06B910JT RC06F053K6 RC06F0R00

RC06F1000 RC06F1002G RC06F10R0

RC06F10R0G RC06F1180 RC06F12R1

RC06F12R7 RC06F1302 RC06F1330

RC06F1373DT RC06F1500 RC06F1501G

RC06F1502TR RC06F1782 RC06F2000

RC06F20R0 RC06F21R5 RC06F2260

RC06F2672 RC06F2R20 RC06F300

RC06F3572 RC06F3922 RC06F39R2

RC06F4222 RC06F4532 RC06F4640

RC06F4991 RC06F5111 RC06F6190

RC06F63R4 RC06F7152 RC06F7680TRF

RC06J001M RC06J002R7 RC06J0R0

RC06J0R0G RC06J100 RC06J100G

RC06J101 RC06J104 RC06J105

RC06J150 RC06J150G RC06J1R312065%

RC06J222G RC06J225DT RC06J271G

RC06J330G RC06J473 RC06J47R0TRE

RC06J562 RC06J563G RC06J5R1

RC06J5R6G RC06J685 RC06J8R2G

RC06J910G RC06J9R1G RC06JR-07150KL

RC06JR392 RC06K1000FT RC06K100JT

RC06K102JTG RC06K122JT RC06K125JT

RC06K14R70FT-LF RC06K155JT RC06K184JT

RC06K185JT RC06K220JT RC06K222JT

RC06K225JT RC06K2372FT RC06K243R0FT

RC06K254JT RC06K26R1FT RC06K274JT

RC06K2872FT RC06K32000FT RC06K330JT

RC06K331JT RC06K3331JT RC06K333JT

RC06K3830FT RC06K391JT RC06K473JT

RC06K474JT RC06K4R7JT RC06K5113FT

RC06K58202FT-LF RC06K6190FT RC06K6514JT-LF

RC06K681JT RC06K683JT RC06K684JT

RC06K7R5JT RC06R-0R0 RC06RF-13

RC06RF-24K9 1% RC06RF150R RC06RF1K1

RC06RF1K5 RC06RF1M6 RC06RF301E

RC06RJ-100E RC06RJ-2K25% RC06RJ220E

RC06RJ33E RC06RJ47K RC06RJ6K8

RC06T-150-RL10 RC06T03JR-0710RL RC06TF60.4K

RC06TRLF-100R RC06TRLF-1K15 RC06TRLF-332R

RC06TRLJ-100R RC06TRLJ-220R RC06TRLJ-22R

RC06TRLJ-2K2 RC06TRLJ-390K RC06TRLJ-470R

RC06TRLJ-510K RC06TRLJ-560K RC06TRLJ-5K6

RC06TRLJ-68R RC07 RC07-1002-005

RC07-1200-005 RC07-1502-005 RC07-18K-5%

RC07-470K RC07-5.1K-5% RC07-5.6K-5%

RC07-5%-1.5K RC07-5%-10K RC07-5%-1205

RC07-5%-150 RC07-5%-150K RC07-5%-162

RC07-5%-180K RC07-5%-360K RC07-5%-390K

RC07-5%-391 RC07-5%-395 RC07-5%-562

RC07-5%-620K RC07-5%-680 RC07-5%-750K

RC07-5%-912 RC07-51R0-00 RC07-820K-5%

RC07-CB-222-5 RC07-CB-242-5 RC07-CB-302-5

RC07-CB-562-5 RC0709 RC070F100J5%0.25W

RC070F101J RC070F102J RC070F103J

RC070F106J RC070F2R7J RC070F332J

RC070F470J RC070F4R7J RC070F563J

RC070F750J RC0747ALB RC074M

RC076F102J RC076F1565 RC076F2245

RC076GF912J RC07753JR RC078F685J

RC07A2001CS4B RC07BF103J RC07C806F

RC07CB2225 RC07CB222S RC07CF153J

RC07CF156K RC07CF514J RC07CF681J

RC07CF7R5J RC07F241J RC07F432J

RC07FG334J RC07FG360J RC07G100J

RC07G103J RC07G104JS RC07G105JS

RC07G105JTR RC07G106J RC07G10R0J

RC07G111JS RC07G124JS RC07G131J

RC07G151JS RC07G152JS RC07G155JS

RC07G180 RC07G1800J RC07G181J

RC07G181JS RC07G183JS RC07G184J

RC07G200J RC07G201J RC07G202J

RC07G203J RC07G203JR RC07G205JS

RC07G2202J RC07G220J RC07G220JS

RC07G221J RC07G222J RC07G224J

RC07G225JR RC07G241J RC07G241JS

RC07G271J RC07G272J RC07G276J

RC07G2R7JS RC07G303J RC07G304J

RC07G331J RC07G332J RC07G333JS

RC07G362J RC07G392J RC07G395J

RC07G3R3JS RC07G471J RC07G472J

RC07G474JS RC07G4751J RC07G475J

RC07G492J RC07G511JS RC07G512J

RC07G512JS RC07G513J RC07G514JS

RC07G561J RC07G561JS RC07G565JS

RC07G620JT RC07G683J RC07G6R8JS

RC07G7500J RC07G750JS RC07G751JS

RC07G8102K RC07G822 RC07G9R1J

RC07GD302J RC07GE562J RC07GF 1.6M 5%

RC07GF-153J RC07GF04J RC07GF1000J

RC07GF100J RC07GF100JT RC07GF100JTR

RC07GF100K RC07GF101J RC07GF101JS

RC07GF101JTR RC07GF101K RC07GF102J

RC07GF102JTR RC07GF102K RC07GF103J

RC07GF103JTR RC07GF103K RC07GF103M

RC07GF104J RC07GF104JTR RC07GF104K

RC07GF105J RC07GF105JS RC07GF105K

RC07GF106J RC07GF106K RC07GF107J

RC07GF107K RC07GF107M RC07GF110J

RC07GF110K RC07GF111J RC07GF111JJ

RC07GF111K RC07GF112J RC07GF113J

RC07GF113K RC07GF114J RC07GF114K

RC07GF115J RC07GF116J RC07GF1201

RC07GF120G RC07GF120J RC07GF120K

RC07GF121J RC07GF121K RC07GF121KR

RC07GF122J RC07GF122K RC07GF123J

RC07GF123K RC07GF124J RC07GF124K

RC07GF125J RC07GF125K RC07GF126J

RC07GF126K RC07GF129J RC07GF130J

RC07GF131J RC07GF131K RC07GF132J

RC07GF132K RC07GF133J RC07GF133K

RC07GF134J RC07GF135J RC07GF136J

RC07GF141J RC07GF150J RC07GF150K

RC07GF151 RC07GF151J RC07GF151K

RC07GF151R RC07GF1523 RC07GF152J

RC07GF152J RC07GF152JS RC07GF152K

RC07GF153J RC07GF153K RC07GF154J

RC07GF154K RC07GF155J RC07GF155K

RC07GF155M RC07GF156J RC07GF156K

RC07GF160J RC07GF161J RC07GF161K

RC07GF162 RC07GF162J RC07GF163J

RC07GF164J RC07GF165J RC07GF166J

RC07GF166K RC07GF1692F RC07GF16J

RC07GF171J RC07GF180 RC07GF180J

RC07GF180K RC07GF181J RC07GF181J--CROSS

RC07GF181JS RC07GF181K RC07GF182J

RC07GF182K RC07GF183J RC07GF183JTR

RC07GF183K RC07GF183K RC07GF184J

RC07GF184K RC07GF185J RC07GF185K

RC07GF186J RC07GF186K RC07GF192J

RC07GF1R0J RC07GF1R0K RC07GF1R1J

RC07GF1R2J RC07GF1R2K RC07GF1R3J

RC07GF1R5J RC07GF1R5K RC07GF1R6J

RC07GF1R6K RC07GF1R7J RC07GF1R8J

RC07GF1R8K RC07GF2.7JS RC07GF200J

RC07GF201J RC07GF201K RC07GF202J

RC07GF202K RC07GF203J RC07GF203JS

RC07GF203K RC07GF204J RC07GF204K

RC07GF205J RC07GF206J RC07GF212J

RC07GF220J RC07GF220JS RC07GF220JTR

RC07GF220K RC07GF221J RC07GF221K

RC07GF222J RC07GF222J(2200OHM1/4W5%) RC07GF222K

RC07GF223J RC07GF223J RC07GF223J(22K5%)

RC07GF223JR RC07GF223JT/R RC07GF223K

RC07GF223M RC07GF224J RC07GF224JS

RC07GF224K RC07GF225J RC07GF225JS

RC07GF225K RC07GF226H RC07GF226J

RC07GF226K RC07GF229J RC07GF22K

RC07GF23R9J RC07GF240J RC07GF241J

RC07GF241K RC07GF242 RC07GF242J

RC07GF242J(2400OHM1/4W5%) RC07GF242K RC07GF243J

RC07GF243J(24000OHM1/4W5%) RC07GF243K RC07GF244J

RC07GF245J RC07GF246J RC07GF24FJ

RC07GF252J RC07GF265J RC07GF270J

RC07GF270K RC07GF271J RC07GF271K

RC07GF271KR RC07GF272J RC07GF272JS

RC07GF272Jᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠᅠ ᅠ RC07GF272K RC07GF2731

RC07GF273J RC07GF273K RC07GF274J

RC07GF274JS RC07GF274K RC07GF274K(270KOHMS10%)

RC07GF275J RC07GF275K RC07GF276J

RC07GF294J RC07GF2R0J RC07GF2R0K

RC07GF2R2J RC07GF2R2K RC07GF2R4J

RC07GF2R4K RC07GF2R6J RC07GF2R7J

RC07GF2R7K RC07GF3.3JS RC07GF3.3KS

RC07GF3.9JS RC07GF300J RC07GF300K

RC07GF301J RC07GF301K RC07GF302J

RC07GF302K RC07GF303J RC07GF304J

RC07GF305J RC07GF305K RC07GF306J

RC07GF308K RC07GF310J RC07GF324J

RC07GF3300K RC07GF330J RC07GF330K

RC07GF331J RC07GF331JTR RC07GF331K

RC07GF332J RC07GF332J RC07GF332K

RC07GF332KS RC07GF333J RC07GF333JS

RC07GF333K RC07GF334J RC07GF334K

RC07GF334K(330KOHMS10%) RC07GF335J RC07GF335K

RC07GF336J RC07GF336K RC07GF340J

RC07GF360J RC07GF360K RC07GF361J

RC07GF361K RC07GF362J RC07GF363I

RC07GF363J RC07GF364J RC07GF365J

RC07GF366J RC07GF374J RC07GF384J

RC07GF390J RC07GF390JR RC07GF390K

RC07GF391F RC07GF391J RC07GF391JR

RC07GF391JS RC07GF391K RC07GF392J

RC07GF392JS RC07GF392K RC07GF392KR

RC07GF393J RC07GF393K RC07GF394J

RC07GF394K RC07GF395J RC07GF395K

RC07GF396J RC07GF3R0J RC07GF3R0K

RC07GF3R3J RC07GF3R3K RC07GF3R6J

RC07GF3R6K RC07GF3R9 RC07GF3R9J

RC07GF3R9K RC07GF3ROJ RC07GF430J

RC07GF431J RC07GF431JT RC07GF432J

RC07GF433J RC07GF433K RC07GF434J

RC07GF435J RC07GF435K RC07GF436J

RC07GF460J RC07GF470J RC07GF470K

RC07GF471J RC07GF471JS RC07GF471K

RC07GF471KS RC07GF472 RC07GF472J

RC07GF472JLTR RC07GF472K RC07GF473G

RC07GF473J RC07GF473J RC07GF473JTR

RC07GF473K RC07GF474J RC07GF474JS

RC07GF474JTR RC07GF474K RC07GF474M

RC07GF475 RC07GF475J RC07GF475K

RC07GF476J RC07GF477M RC07GF478J

RC07GF4R3J RC07GF4R3K RC07GF4R7J

RC07GF4R7JS RC07GF4R7K RC07GF502J

RC07GF503K RC07GF504J RC07GF510J

RC07GF510J(510OHM5%) RC07GF510JS RC07GF510JTR

RC07GF511J RC07GF512J RC07GF512K

RC07GF513G RC07GF513J RC07GF513K

RC07GF514J RC07GF514K RC07GF515J

RC07GF515J RC07GF515JT RC07GF517

RC07GF525J RC07GF5513J RC07GF560J

RC07GF560K RC07GF5615 RC07GF561J

RC07GF561K RC07GF562J RC07GF562JS

RC07GF562K RC07GF563J RC07GF563JR

RC07GF563JS RC07GF563K RC07GF564J

RC07GF564K RC07GF565J RC07GF565JS

RC07GF565K RC07GF572J RC07GF575J

RC07GF5R1J RC07GF5R1K RC07GF5R6J

RC07GF5R6K RC07GF612J RC07GF620J

RC07GF621J RC07GF621JS RC07GF622J

RC07GF622K RC07GF623J RC07GF623K

RC07GF624J RC07GF625J RC07GF626J

RC07GF645J RC07GF674K RC07GF680J

RC07GF680JT RC07GF680K RC07GF680KR

RC07GF681J RC07GF681K RC07GF682J

RC07GF682K RC07GF683F RC07GF683J

RC07GF683K RC07GF684J RC07GF684K

RC07GF685J RC07GF685K RC07GF686J

RC07GF686K RC07GF687J RC07GF68IJ

RC07GF6R0J RC07GF6R2J RC07GF6R2K

RC07GF6R85K RC07GF6R8J RC07GF6R8K

RC07GF722J RC07GF723J RC07GF735J

RC07GF750J RC07GF750K RC07GF751J

RC07GF751K RC07GF752J RC07GF752K

RC07GF753J RC07GF753K RC07GF754J

RC07GF754K RC07GF755J RC07GF756J

RC07GF759J RC07GF782J RC07GF7R5J

RC07GF813J RC07GF820J RC07GF820K

RC07GF821J RC07GF821JM RC07GF821JTR

RC07GF821K RC07GF821K RC07GF822

RC07GF8223 RC07GF822J RC07GF822JT/R

RC07GF822K RC07GF823 RC07GF823J

RC07GF823K RC07GF824 RC07GF824J

RC07GF824K RC07GF825J RC07GF825K

RC07GF825KR RC07GF826J RC07GF826K

RC07GF827K RC07GF828J RC07GF861J

RC07GF8R2 RC07GF8R2J RC07GF8R2K

RC07GF901J RC07GF903J RC07GF910J

RC07GF910K RC07GF911J RC07GF911JR

RC07GF911K RC07GF912J RC07GF912K

RC07GF913J RC07GF913K RC07GF9140J

RC07GF914J RC07GF914K RC07GF915J

RC07GF915K RC07GF921J RC07GF922J

RC07GF923J RC07GF9R1J RC07GF9R1K

RC07GF9R2J RC07GFS11J RC07GH222J

RC07GP750J RC07GS103J RC07J-6800

RC07L473G RC07NPT10 RC07NPT14

RC07NPT16 RC07NPT18 RC07NPT20

RC07NTV09 RC07NTV11 RC07NTV13

RC07NTV15 RC07NTV17 RC07NTV19

RC07S510J RC08-0803 RC08-0814

RC080%FR-07100RL RC08005FR-07150K RC08005FR-071K96

RC08005FR07100RL RC08005FR071K62 RC0801-250G101KG

RC0802A-BIW-CSV RC0802A-BIW-CSX RC0802A-BIY-CSX

RC0802A-BIY-ESV RC0802A-BIY-ESX RC0802A-FHW-ESX

RC0802A-FHY-CSV RC0802A-FHY-ESV RC0802A-GHW-ESV

RC0802A-GHY-CSV RC0802A-GHY-ESV RC0802A-TIW-ESV

RC0802A-TIY-CSV RC0802A-TIY-ESV RC0802A-YHW-ESV

RC0802A-YHY-CSX RC0802A-YHY-ESX RC0802A1-LLB-JWVE

RC0802A1-LLG-JWVE RC0802A1-LLH-JWV RC0802A1-LLR-JWVE

RC0803FR-0710R RC0803FR-07220R RC0803FR-076K04

RC0803JR-07 47K RC0803JR-071K RC0803JR-072K

RC0803JR-07330R RC0805 RC0805 1/8W 180R 5%

RC0805 1% 2K43 OHM RC0805 120R 5% RC0805 1K 1%

RC0805 205R 1% RC0805 FR-07 RC0805 FR-076R2L

RC0805 FR07 309R RC0805 FR07-1K RC0805 FR13 470R

RC0805 JR 07 1K2 RC0805 JR-07 0R RC0805-07-470R

RC0805-1003FR RC0805-1072F RC0805-121F

RC0805-12K-5% RC0805-12K4F RC0805-152J

RC0805-1K2-5% RC0805-20K-1% RC0805-22.1K

RC0805-22K0-5% RC0805-391J RC0805-3K65-1%

RC0805-3R9F RC0805-431J RC0805-47R0-1%

RC0805-4K7 RC0805-51K-5% RC0805-5K9-1%

RC0805-624J RC0805-FR-07 10R RC0805-FR-07 39R

RC0805-FR-07 82K RC0805-FR-07-10R RC0805-FR-07-133R-L

RC0805-FR-07-150K RC0805-FR-07-16.5K-L RC0805-FR-07-26K1

RC0805-FR-07-7K32-L RC0805-FR-07-825K RC0805-FR-07150R

RC0805-FR-07200R RC0805-FR-07680R RC0805-FRF-0782R5

RC0805-FX4320E RC0805-JR-07-220R-L RC0805-JR-071K

RC0805-JR0727KL RC0805-JR074R7 RC0805(6K8OHM+-1%)

RC0805000 RC08051/8W RC0805102JRT1

RC080510R RC080510R5% RC0805110K1

RC0805120R5% RC080512K5% RC0805180K1%0125W

RC080518W100PM RC080518W4M7 RC08051K1%

RC0805200R1 RC080524R RC0805270ROHM+1%

RC08052A1500FKHFT RC08052A3900J RC08052A9760KFHFT

RC08053090FT RC0805330R5 RC080542R2OHM + - 1%

RC0805470R RC0805491 RC08055%1K

RC08055181T RC080556R21% RC0805590ROHM1%

RC08055R07732R RC08056575671306997255KL RC080575R0FR

RC08057R-074KPP RC080595K31% RC0805BR-071K24

RC0805BR-071K74 RC0805BR-0730K1 RC0805BR-0749K9

RC0805BRE-074K99 RC0805BRE0710K RC0805BRE072K2

RC0805DF-07590R RC0805DR-0710RL RC0805DR-07115R

RC0805DR-07165R RC0805DR-071ML RC0805DR-0720KL

RC0805DR-072K2L RC0805DR-07330KL RC0805DR-073K

RC0805DR-07470R RC0805DR-0749K9 RC0805DR-0751KL

RC0805DR-0768KL RC0805DR-076K2L RC0805DR-07732R

RC0805DR-07825KL RC0805E12R1F100P100V125MW RC0805E133KF100V125MWLF

RC0805E150RF100PPM100V125 RC0805E15KF100PPM100V125M RC0805E1K62F100P100V125MW

RC0805E26R1F100P100V125MW RC0805E49R9F100P100V125MW RC0805E51R1F100P100V125MW

RC0805E61R9F100P100V125MW RC0805E825KF100P100V125MW RC0805E825KF100V125MWLF

RC0805E8K2J200PPM100V125M RC0805ER-1347R RC0805F

RC0805F R-07 200K RC0805F-0718K RC0805F-072K

RC0805F-074K32 RC0805F-074K7 RC0805F-10KL

RC0805F-158KL RC0805F-1K3L RC0805F-221RL

RC0805F-47K5L RC0805F-49R9L RC0805F-60K4L

RC0805F-66K5K RC0805F-76K8L RC0805F-7K68L

RC0805F-R-07150K RC0805F-R-071K RC0805F*-**07K5

RC0805F*-**100K RC0805F*-**100R RC0805F*-**10K0

RC0805F*-**115R RC0805F*-**121R RC0805F*-**14K0

RC0805F*-**1K05 RC0805F*-**1K69 RC0805F*-**1K96

RC0805F*-**20R5 RC0805F*-**215K RC0805F*-**221R

RC0805F*-**23K7 RC0805F*-**26R1 RC0805F*-**316R

RC0805F*-**34R8 RC0805F*-**442R RC0805F*-**46K4

RC0805F*-**46R4 RC0805F*-**53R6 RC0805F*-**6K81

RC0805F*-**825R RC0805F#-##180RL RC0805F#-##210KL

RC0805F#-##2K2L RC0805F#-##2RL RC0805F#-##3R92L

RC0805F#-##47R5L RC0805F#-##4R75L RC0805F07-32K4

RC0805F07100RL RC0805F0710KL RC0805F071242

RC0805F071KL RC0805F074K7L RC0805F074R75

RC0805F0768R1 RC0805F0F033R2 RC0805F0F0825K

RC0805F1000 RC0805F1001-07-RG70 RC0805F1001T

RC0805F1002T RC0805F1003T RC0805F1004

RC0805F1004T RC0805F1052 RC0805F1052-07-TR70

RC0805F1053T RC0805F10RL RC0805F1501T

上一篇:元器件型号列表RC0603JR-0711ML

下一篇:元器件型号列表RC0805F1652

版权所有:深圳市冠亚达电子有限公司| 粤ICP备12012672号| 网站地图 文章 技术支持