IC库存索引地图

电子元器件 [15633]

• GCB75DHHT
  分类：GCB75DHHT
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 150PS .050 DIP SLD
• RCA50DRST-S288
  分类：RCA50DRST-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS .125 EXTEND
• ESA36DRSN-S288
  分类：ESA36DRSN-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• EMA36DRSN-S288
  分类：EMA36DRSN-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• ESA36DRSH-S288
  分类：ESA36DRSH-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• EMA36DRSH-S288
  分类：EMA36DRSH-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• ESA36DRSD-S288
  分类：ESA36DRSD-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• EMA36DRSD-S288
  分类：EMA36DRSD-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS .125 EXTEND
• ACA31DRSN-S288
  分类：ACA31DRSN-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD EXTEND 62POS .125
• ACA31DRSH-S288
  分类：ACA31DRSH-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD EXTEND 62POS .125
• ACA31DRSD-S288
  分类：ACA31DRSD-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD EXTEND 62POS .125
• GCA50DTMD-S273
  分类：GCA50DTMD-S273
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• GCA50DTBD-S273
  分类：GCA50DTBD-S273
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• GCA50DTAD-S273
  分类：GCA50DTAD-S273
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• GCA50DRST-S273
  分类：GCA50DRST-S273
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS DIP .125 SLD
• RSM22DTBS-S189
  分类：RSM22DTBS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• RMM22DTBS-S189
  分类：RMM22DTBS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• RGM22DTBS-S189
  分类：RGM22DTBS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• RSM22DTAS-S189
  分类：RSM22DTAS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• RMM22DTAS-S189
  分类：RMM22DTAS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• RGM22DTAS-S189
  分类：RGM22DTAS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 44POS R/A .156 SLD
• AYM15DTBN-S189
  分类：AYM15DTBN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTBN-S189
  分类：ASM15DTBN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTBN-S189
  分类：AGM15DTBN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AYM15DTBH-S189
  分类：AYM15DTBH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTBH-S189
  分类：ASM15DTBH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTBH-S189
  分类：AGM15DTBH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AYM15DTBD-S189
  分类：AYM15DTBD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTBD-S189
  分类：ASM15DTBD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTBD-S189
  分类：AGM15DTBD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AYM15DTAN-S189
  分类：AYM15DTAN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTAN-S189
  分类：ASM15DTAN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTAN-S189
  分类：AGM15DTAN-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AYM15DTAH-S189
  分类：AYM15DTAH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTAH-S189
  分类：ASM15DTAH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTAH-S189
  分类：AGM15DTAH-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AYM15DTAD-S189
  分类：AYM15DTAD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• ASM15DTAD-S189
  分类：ASM15DTAD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• AGM15DTAD-S189
  分类：AGM15DTAD-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS R/A .156 SLD
• RMM25DSEN-S13
  分类：RMM25DSEN-S13
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .156 EXTEND
• RMM25DSEH-S13
  分类：RMM25DSEH-S13
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .156 EXTEND
• RSM25DRTN-S13
  分类：RSM25DRTN-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 50POS .156 EXTEND
• RMM25DRTN-S13
  分类：RMM25DRTN-S13
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .156 EXTEND
• RSM25DRTH-S13
  分类：RSM25DRTH-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 50POS .156 EXTEND
• RMM25DRTH-S13
  分类：RMM25DRTH-S13
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .156 EXTEND
• GCM43DSAS
  分类：GCM43DSAS
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• RSC30DRES-S93
  分类：RSC30DRES-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 60POS .100 EYELET
• RMC30DRES-S93
  分类：RMC30DRES-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 60POS .100 EYELET
• HCC31DRTN-S93
  分类：HCC31DRTN-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS DIP .100 SLD
• HCC31DRTH-S93
  分类：HCC31DRTH-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS DIP .100 SLD
• HCC28DRYS-S734
  分类：HCC28DRYS-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS DIP .100 SLD
• HBC31DRYN-S734
  分类：HBC31DRYN-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS DIP .100 SLD
• HBC31DRYH-S734
  分类：HBC31DRYH-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS DIP .100 SLD
• HSC17DRAN-S734
  分类：HSC17DRAN-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 34POS .100 R/A PCB
• HSC17DRAH-S734
  分类：HSC17DRAH-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 34POS .100 R/A PCB
• GSC28DRYS-S734
  分类：GSC28DRYS-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS DIP .100 SLD
• GMC28DRYS-S734
  分类：GMC28DRYS-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS DIP .100 SLD
• GSC43DRXI-S734
  分类：GSC43DRXI-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS DIP .100 SLD
• RBC65DCMI-S288
  分类：RBC65DCMI-S288
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 130POS .100 EXTEND
• HCC35DRTS-S13
  分类：HCC35DRTS-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS .100 EXTEND
• GSC35DRTN-S13
  分类：GSC35DRTN-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS .100 EXTEND
• GMC35DRTN-S13
  分类：GMC35DRTN-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS .100 EXTEND
• GSC35DRTH-S13
  分类：GSC35DRTH-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS .100 EXTEND
• GMC35DRTH-S13
  分类：GMC35DRTH-S13
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS .100 EXTEND
• RCC65DRES
  分类：RCC65DRES
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 130PS .100 EYELET
• RBB65DHLR
  分类：RBB65DHLR
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 130PS DIP .050 SLD
• GSC18DTEI
  分类：GSC18DTEI
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 36POS .100 EYELET
• GCC60DRYS
  分类：GCC60DRYS
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 120PS DIP .100 SLD
• GMC31DRXI
  分类：GMC31DRXI
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 62POS DIP .100 SLD
• GCC65DRES
  分类：GCC65DRES
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 130POS .100 EYELET
• GSC40DREF
  分类：GSC40DREF
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 80POS .100 EYELET
• GMC40DREF
  分类：GMC40DREF
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 80POS .100 EYELET
• MPSL-7156-22-DW-5GKY
  分类：MPSL-7156-22-DW-5GKY
  品牌：Sullins Connector Solutions
  封装：
  描述：CONN EDGE DUAL .156 DIP 44POS
• HCC43DEYI
  分类：HCC43DEYI
  品牌：Sullins Connector Solutions
  封装：
  描述：FML CRD EDGE .100 86POS DR LOW P
• ACM22DSMH
  分类：ACM22DSMH
  品牌：Sullins Connector Solutions
  封装：
  描述：CONN EDGE .156 44POS DR TH
• ABB55DYHT
  分类：ABB55DYHT
  品牌：Sullins Connector Solutions
  封装：
  描述：CONN EDGE DUAL .050 TH 110POS
• GBB92DHHN-S378
  分类：GBB92DHHN-S378
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 184POS 5V .050 SLD
• GBB92DHHD-S378
  分类：GBB92DHHD-S378
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 184POS 5V .050 SLD
• GBB92DHHN-S330
  分类：GBB92DHHN-S330
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 184POS 3.3V .05 SL
• GBB92DHHD-S330
  分类：GBB92DHHD-S330
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 184POS 3.3V .05 SL
• GCB35DHAN
  分类：GCB35DHAN
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS R/A .050 SLD
• GCB35DHAD
  分类：GCB35DHAD
  品牌：Sullins Connector Solutions
  封装：管件
  描述：CONN EDGECARD 70POS R/A .050 SLD
• RBM43DTMI-S189
  分类：RBM43DTMI-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• RBM43DTAI-S189
  分类：RBM43DTAI-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• RBM43DTBI-S189
  分类：RBM43DTBI-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• GSM31DTMS-S189
  分类：GSM31DTMS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• GMM31DTMS-S189
  分类：GMM31DTMS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• HCM44DSUI
  分类：HCM44DSUI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 88POS .156 DIP SLD
• HCM44DRUI
  分类：HCM44DRUI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 88POS .156 DIP SLD
• ECA50DTMD-S664
  分类：ECA50DTMD-S664
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• ECA50DTBD-S664
  分类：ECA50DTBD-S664
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• ECA50DTAD-S664
  分类：ECA50DTAD-S664
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS R/A .125 SLD
• ABM15DRMN-S664
  分类：ABM15DRMN-S664
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS .156 WW
• ABM15DRMD-S664
  分类：ABM15DRMD-S664
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 30POS .156 WW
• RSA24DRMI-S288
  分类：RSA24DRMI-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 48POS .125 EXTEND
• RMA24DRMI-S288
  分类：RMA24DRMI-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 48POS .125 EXTEND
• ESM43DRSN-S288
  分类：ESM43DRSN-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS .156 EXTEND
• ESM43DRSH-S288
  分类：ESM43DRSH-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS .156 EXTEND
• ESM43DRSD-S288
  分类：ESM43DRSD-S288
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS .156 EXTEND
• GSM31DTBS-S189
  分类：GSM31DTBS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• GMM31DTBS-S189
  分类：GMM31DTBS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• GSM31DTAS-S189
  分类：GSM31DTAS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• GMM31DTAS-S189
  分类：GMM31DTAS-S189
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .156 SLD
• RBM43DCCT
  分类：RBM43DCCT
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• RBM43DCBT
  分类：RBM43DCBT
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• RBM43DCAT
  分类：RBM43DCAT
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 86POS R/A .156 SLD
• GSM36DSXS
  分类：GSM36DSXS
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS DIP .156 SLD
• GSM36DRXS
  分类：GSM36DRXS
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 72POS DIP .156 SLD
• GSA31DTMI
  分类：GSA31DTMI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• GMA31DTMI
  分类：GMA31DTMI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• GSA35DTKS
  分类：GSA35DTKS
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 70POS DIP .125 SLD
• GMA35DTKS
  分类：GMA35DTKS
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 70POS DIP .125 SLD
• GSA31DTBI
  分类：GSA31DTBI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• GMA31DTBI
  分类：GMA31DTBI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• GSA31DTAI
  分类：GSA31DTAI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• GMA31DTAI
  分类：GMA31DTAI
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 62POS R/A .125 SLD
• EMM28DSEF
  分类：EMM28DSEF
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS .156 EYELET
• ESM28DRTF
  分类：ESM28DRTF
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS DIP .156 SLD
• EMM28DRTF
  分类：EMM28DRTF
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 56POS DIP .156 SLD
• ASC18DRTI-S93
  分类：ASC18DRTI-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 36POS DIP .100 SLD
• ASC18DREI-S93
  分类：ASC18DREI-S93
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 36POS .100 EYELET
• HMC20DRTI-S734
  分类：HMC20DRTI-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 40POS DIP .100 SLD
• HCC30DRTI-S734
  分类：HCC30DRTI-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 60POS DIP .100 SLD
• HMC20DREI-S734
  分类：HMC20DREI-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 40POS .100 EYELET
• GCC50DRTI-S734
  分类：GCC50DRTI-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 100PS DIP .100 SLD
• GSC25DRAN-S734
  分类：GSC25DRAN-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .100 R/A SLD
• GMC25DRAN-S734
  分类：GMC25DRAN-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .100 R/A SLD
• GSC25DRAH-S734
  分类：GSC25DRAH-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .100 R/A SLD
• GMC25DRAH-S734
  分类：GMC25DRAH-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .100 R/A SLD
• ESC25DRAS-S734
  分类：ESC25DRAS-S734
  品牌：Sullins Connector Solutions
  封装：托盘
  描述：CONN EDGECARD 50POS .100 R/A PCB