# FLIPR Power Distribution Board ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** sagea - **Created:** 7/11/2026 - **Last Updated:** 7/11/2026 - **Visibility:** Public ## Key Components ### D1 — [SMBJ24A](https://www.flux.ai/cherepanyadima/smbj24a~2b.md) - Part Type: TVS - Role Details: 24 V input transient clamp, SMBJ24A class - Datasheet URL: https://services.taiwansemi.com/storage/resources/datasheet/SMBJ%20SERIES_R2104.pdf - Role: TVS Protection - Manufacturer Part Number: SMBJ24A-TR - Manufacturer Name: Taiwan Semiconductor Corporation **Pins:** - A [pin 2] - K [pin 1] ### D2 — [SS56](https://www.flux.ai/lcsc/ss56~hea6.md) - Reverse Voltage: 60V - Datasheet URL: https://www.lcsc.com/datasheet/C65009.pdf?spm=wm.sxq.inf.ggs___wm.ssy.bg.0.xh&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlxfQlZWUjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C65009 - Manufacturer Part Number: SS56 - Diode Type: Schottky Diode - Forward Voltage: 0.55V - Role: Catch Diode - Part Type: Schottky Barrier Diodes (SBD) - Role Details: LM5013 non-synchronous buck freewheel diode, 60 V 5 A Schottky - Manufacturer Name: MDD(Microdiode Semiconductor) - Package or Case Code: SMC_L6.9-W5.9-LS7.9-R-RD - JLCPCB Part Class: Extended Part - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 1] - K [pin 2] ### FB1 — [MFBM1V2012-000-R](https://www.flux.ai/adrian95/mfbm1v2012-000-r~w3x.md) - Role Details: 5V_LAB output ferrite, 6 A low-DCR class; impedance curve must be verified before release - Role: Choke (EMI Filter) - Part Type: Ferrite Bead - Manufacturer Name: Eaton - Electronics Division - Manufacturer Part Number: MFBM1V2012-000-R - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.eaton.com/content/dam/eaton/products/electronic-components/resources/data-sheet/eaton-mfbm1v2012-high-current-multilayer-ferrite-chip-bead-data-sheet.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB2 — [MFBM1V2012-000-R](https://www.flux.ai/adrian95/mfbm1v2012-000-r~w3x.md) - Manufacturer Name: Eaton - Electronics Division - Part Type: Ferrite Bead - Manufacturer Part Number: MFBM1V2012-000-R - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.eaton.com/content/dam/eaton/products/electronic-components/resources/data-sheet/eaton-mfbm1v2012-high-current-multilayer-ferrite-chip-bead-data-sheet.pdf - Role: Choke (EMI Filter) - Role Details: 5V_FLIPR branch ferrite, 6 A low-DCR class; impedance curve must be verified before release **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB3 — [BLM21PG600SN1D](https://www.flux.ai/adrian95/blm21pg600sn1d~uuz.md) - Role Details: 5V_ANA output ferrite, 60 ohm at 100 MHz, 3.5 A class - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BLM21PG600SN1D - Datasheet URL: https://www.murata.com/en-us/products/en-us/products/productdata/8796738977822/ENFA0005.pdf - Manufacturer Name: Murata Electronics - Part Type: Ferrite Bead - Role: Choke (EMI Filter) **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB4 — [BLM21PG600SN1D](https://www.flux.ai/adrian95/blm21pg600sn1d~uuz.md) - Manufacturer Name: Murata Electronics - Part Type: Ferrite Bead - Datasheet URL: https://www.murata.com/en-us/products/en-us/products/productdata/8796738977822/ENFA0005.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BLM21PG600SN1D - Role Details: +15V_LASER output ferrite, 3.5 A class gives margin over 1.5 A rail - Role: Choke (EMI Filter) **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB5 — [BLM21PG600SN1D](https://www.flux.ai/adrian95/blm21pg600sn1d~uuz.md) - Part Type: Ferrite Bead - Manufacturer Name: Murata Electronics - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.murata.com/en-us/products/en-us/products/productdata/8796738977822/ENFA0005.pdf - Manufacturer Part Number: BLM21PG600SN1D - Role Details: +12V_DET output ferrite, 60 ohm at 100 MHz, 3.5 A class - Role: Choke (EMI Filter) **Pins:** - 1 [pin 1] - 2 [pin 2] ### FB6 — [BLM21PG600SN1D](https://www.flux.ai/adrian95/blm21pg600sn1d~uuz.md) - Role Details: -12V_DET output ferrite, 60 ohm at 100 MHz, 3.5 A class - Role: Choke (EMI Filter) - Manufacturer Name: Murata Electronics - Part Type: Ferrite Bead - Manufacturer Part Number: BLM21PG600SN1D - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.murata.com/en-us/products/en-us/products/productdata/8796738977822/ENFA0005.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p~u6.md) - Role Details: 24 VDC input, 15 A 5.0 mm terminal block used as schematic/prototype connector - Role: Input Connector - Part Type: Connector - Manufacturer Name: Ningbo Xinlaiya Elec. - Datasheet URL: https://www.lcsc.com/datasheet/C557651.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=E1BYV1AHFgUMXgFVQ1AMU1JVQFReXgIATwJfA10DFVkxVlNRT1dXXlVTQ1hbUjsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D - Manufacturer Part Number: XY301V-A-5.0-2P **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J2 — [NC3FAH1](https://www.flux.ai/jecstronic/nc3fah1~llc.md) - Manufacturer Name: Neutrik - Role: Output Connector - Role Details: +15 V laser output; standard XLR placeholder, exact Thorlabs Mini-XLR connector still open - Datasheet URL: https://www.mouser.com/datasheet/2/289/st-nc3fah1-1853786.pdf - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NC3FAH1 **Pins:** - 1+G [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [B3B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b3b-xh-alfsn~wvza.md) - Operating Temperature: -25°C ~ 85°C - Product Info Url: https://lcsc.com/product-detail/XH-Connectors_JST-Sales-America_B3B-XH-A-LF-SN_JST-Sales-America-B3B-XH-A-LF-SN_C144394.html - Part Type: Wire To Board / Wire To Wire Connector - Connector Rows: 1 - Connector Type: Headers and Wire Housings - JLCPCB Part Class: Extended Part - Role: Output Connector - Connector Positions: 3 - Voltage Rating: 250V - Package or Case Code: CONN-TH_3P-P2.50_A2501WV2-3P - LCSC Part Number: C144394 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B3B-XH-A-LF-SN_C144394.pdf - Current Rating: 3A - Role Details: +12 V, GND, -12 V detector output placeholder; exact Thorlabs connector still open - Manufacturer Part Number: B3B-XH-A(LF)(SN) - Manufacturer Name: JST - Connector Pitch: 2.50mm **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J4 — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p~u6.md) - Manufacturer Part Number: XY301V-A-5.0-2P - Datasheet URL: https://www.lcsc.com/datasheet/C557651.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=E1BYV1AHFgUMXgFVQ1AMU1JVQFReXgIATwJfA10DFVkxVlNRT1dXXlVTQ1hbUjsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D - Role Details: 5V_LAB output terminal block - Manufacturer Name: Ningbo Xinlaiya Elec. - Part Type: Connector - Role: Output Connector **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J5 — [XY301V-A-5.0-2P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-2p~u6.md) - Role Details: Filtered 5V_ANA output terminal block - Datasheet URL: https://www.lcsc.com/datasheet/C557651.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=E1BYV1AHFgUMXgFVQ1AMU1JVQFReXgIATwJfA10DFVkxVlNRT1dXXlVTQ1hbUjsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D - Manufacturer Part Number: XY301V-A-5.0-2P - Part Type: Connector - Role: Output Connector - Manufacturer Name: Ningbo Xinlaiya Elec. **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### TP1 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Part Type: Test Point - Role: Sensing (Shunt) - Testpoint Size: 0.5 - Role Details: Test point for protected 24V_BUS rail **Pins:** - P1 [pin 1] ### TP2 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Part Type: Test Point - Role Details: Test point for 5V_BULK rail - Testpoint Size: 0.5 - Role: Sensing (Shunt) **Pins:** - P1 [pin 1] ### TP3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role Details: Test point for +15V_LASER rail - Part Type: Test Point - Role: Sensing (Shunt) **Pins:** - P1 [pin 1] ### TP4 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Part Type: Test Point - Role: Sensing (Shunt) - Role Details: Test point for +12V_DET rail **Pins:** - P1 [pin 1] ### TP5 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Test point for -12V_DET rail - Part Type: Test Point - Role: Sensing (Shunt) - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP6 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Ground test point - Role: Sensing (Shunt) - Testpoint Size: 0.5 - Part Type: Test Point **Pins:** - P1 [pin 1] ### U1 — [TPS26630RGER](https://www.flux.ai/lcsc/tps26630rger~1fl1.md) - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part - LCSC Part Number: C1850276 - Role Details: 24 V input protection, current limit target about 5.4 A using 3.32k ILIM; UVLO 18 V, OVP 33 V divider - Package or Case Code: VQFN-24_L4.0-W4.0-P0.50-TL-EP2.7 - Role: Input eFuse - Manufacturer Part Number: TPS26630RGER **Pins:** - ~{FLT} [pin 14] - ~{SHDN} [pin 12] - B_GATE [pin 3] - DRV [pin 4] - dVdT [pin 9] - EP [pin 25] - GND [pin 8] - ILIM [pin 10] - IMON [pin 13] - IN [pin 1] - IN [pin 2] - IN_SYS [pin 5] - MODE [pin 11] - N.C. [pin 23] - N.C. [pin 19] - N.C. [pin 24] - N.C. [pin 22] - N.C. [pin 20] - N.C. [pin 21] - OUT [pin 17] - OUT [pin 18] - OVP [pin 7] - PGOOD [pin 16] - PGTH [pin 15] - UVLO [pin 6] ### U10 — [LT3045EMSE#PBF](https://www.flux.ai/lcsc/lt3045emsepbf~vh7q.md) - Manufacturer Part Number: LT3045EMSE#PBF - Role: Ultra-Low-Noise LDO - Product Info Url: https://lcsc.com/product-detail/Pre-ordered-Products_Analog-Devices_LT3045EMSE-PBF_Analog-Devices-ADI-LINEAR-LT3045EMSE-PBF_C580012.html - LCSC Part Number: C580012 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Analog-Devices-LT3045EMSE-PBF_C580012.pdf - Role Details: +15V isolated pre-rail to +12V_DET; single device is 500 mA max, parallel option if more margin is required - JLCPCB Part Class: Extended Part - Package or Case Code: MSOP-12_L4.0-W3.0-P0.65-LS4.9-BL-EP - Manufacturer Name: ADI(亚德诺) - Part Type: Linear Voltage Regulators (LDO) **Pins:** - EN/UV [pin 4] - EP [pin 13] - GND [pin 9] - ILIM [pin 6] - IN [pin 3] - IN [pin 1] - IN [pin 2] - OUT [pin 11] - OUT [pin 12] - OUTS [pin 10] - PG [pin 5] - PGFB [pin 7] - SET [pin 8] ### U11 — [LT3094HMSE#PBF](https://www.flux.ai/adrian95/lt3094hmsepbf~bet.md) - Manufacturer Name: Analog Devices Inc. - Role: Ultra-Low-Noise LDO - Part Type: Integrated Circuit - Role Details: -15V isolated pre-rail to -12V_DET; single device is 500 mA max, parallel option if more margin is required - Manufacturer Part Number: LT3094HMSE#PBF - Datasheet URL: https://www.mouser.ph/datasheet/2/609/LT3094-1504100.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - EN/UV [pin 3] - GND [pin 9] - ILIM [pin 6] - IN [pin 2] - IN [pin 1] - OUT [pin 12] - OUT [pin 11] - OUTS [pin 10] - PG [pin 4] - PGFB [pin 5] - SET [pin 8] - VIOC [pin 7] ### U2 — [LT8645SEV#PBF](https://www.flux.ai/lcsc/lt8645sevpbf~u6js.md) - Manufacturer Name: ADI(亚德诺) - Part Type: AC-DC Controllers & Regulators - Product Info Url: https://lcsc.com/product-detail/Switching-Controllers_Analog-Devices-ADI-LT8645SEV-PBF_C514430.html - Role: Buck Regulator - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2004261534_Analog-Devices-LT8645SEV-PBF_C514430.pdf - LCSC Part Number: C514430 - Manufacturer Part Number: LT8645SEV#PBF - Role Details: 24 V protected bus to 5V_BULK at up to 4 A, 500 kHz reference design values - JLCPCB Part Class: Extended Part - Package or Case Code: LQFN-32_L6.0-W4.0-P0.40-BL-EP_LT8645SEV-PBF **Pins:** - BIAS [pin 1] - BST [pin 11] - CLKOUT [pin 27] - EH [pin 34] - EN/UV [pin 25] - FB [pin 32] - GND [pin 10] - GND [pin 18] - GND [pin 8] - GND [pin 19] - GND [pin 9] - GND [pin 17] - GND [pin 33] - GND [pin 30] - INTVCC [pin 2] - NC [pin 24] - NC [pin 20] - NC [pin 3] - NC [pin 7] - PG [pin 31] - RT [pin 26] - SW [pin 14] - SW [pin 12] - SW [pin 15] - SW [pin 16] - SW [pin 13] - SYNC/MODE [pin 28] - TR/SS [pin 29] - VIN [pin 22] - VIN [pin 4] - VIN [pin 21] - VIN [pin 23] - VIN [pin 5] - VIN [pin 6] ### U3 — [TPS25940LRVCR](https://www.flux.ai/adrian95/tps25940lrvcr~ojd.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Role: Output eFuse - Manufacturer Name: Texas Instruments - Symbol Style: parametric-v1 - Manufacturer Part Number: TPS25940LRVCR - Role Details: LabJack 5 V branch, current limit target about 4.45 A using 20k ILIM - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps25940.pdf **Pins:** - ~FLT [pin 20] - DEVSLP [pin 1] - DVDT [pin 18] - EN [pin 14] - EP [pin 21] - GND [pin 16] - ILIM [pin 17] - IMON [pin 19] - IN_1 [pin 9] - IN_2 [pin 10] - IN_3 [pin 11] - IN_4 [pin 12] - IN_5 [pin 13] - OUT_1 [pin 4] - OUT_2 [pin 5] - OUT_3 [pin 6] - OUT_4 [pin 7] - OUT_5 [pin 8] - OVP [pin 15] - PGOOD [pin 2] - PGTH [pin 3] ### U4 — [TPS25940LRVCR](https://www.flux.ai/adrian95/tps25940lrvcr~ojd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Role: Output eFuse - Manufacturer Part Number: TPS25940LRVCR - Symbol Style: parametric-v1 - Manufacturer Name: Texas Instruments - Role Details: Low-noise 5V_ANA output eFuse after TPS7A4701, current limit target about 1.0 A using 88.7k ILIM - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps25940.pdf **Pins:** - ~FLT [pin 20] - DEVSLP [pin 1] - DVDT [pin 18] - EN [pin 14] - EP [pin 21] - GND [pin 16] - ILIM [pin 17] - IMON [pin 19] - IN_1 [pin 9] - IN_2 [pin 10] - IN_3 [pin 11] - IN_4 [pin 12] - IN_5 [pin 13] - OUT_1 [pin 4] - OUT_2 [pin 5] - OUT_3 [pin 6] - OUT_4 [pin 7] - OUT_5 [pin 8] - OVP [pin 15] - PGOOD [pin 2] - PGTH [pin 3] ### U5 — [LMR33630BDDAR](https://www.flux.ai/lcsc/lmr33630bddar~o51d.md) - Role: Buck Regulator - Manufacturer Part Number: LMR33630BDDAR - Datasheet URL: https://www.ti.com/lit/ds/symlink/lmr33630.pdf - Manufacturer Name: TI(德州仪器) - Part Type: DC-DC Converters - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP2.8-1 - JLCPCB Part Class: Extended Part - Role Details: 24 V protected bus to 6V_ANA_PRE, feeds low-noise 5 V analog LDO - LCSC Part Number: C544370 **Pins:** - BOOT [pin 7] - EN [pin 3] - EP [pin 9] - FB [pin 5] - PG [pin 4] - PGND [pin 1] - SW [pin 8] - VCC [pin 6] - VIN [pin 2] ### U6 — [TPS7A4701RGWT](https://www.flux.ai/adrian95/tps7a4701rgwt~ec.md) - Part Type: Integrated Circuit - Manufacturer Part Number: TPS7A4701RGWT - Role: Low-Noise LDO - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps7a47.pdf - Role Details: 6V_ANA_PRE to 5V_ANA, ANY-OUT pins 0P4V and 3P2V grounded for 5.0 V - Manufacturer Name: Texas Instruments **Pins:** - 0P1V [pin 12] - 0P2V [pin 11] - 0P4V [pin 10] - 0P8V [pin 9] - 1P6V [pin 8] - 3P2V [pin 6] - 6P4V1 [pin 5] - 6P4V2 [pin 4] - EN [pin 13] - GND_1 [pin 7] - GND_2 [pin 21] - IN_1 [pin 15] - IN_2 [pin 16] - NC_1 [pin 2] - NC_2 [pin 17] - NC_3 [pin 18] - NC_4 [pin 19] - NR [pin 14] - OUT_1 [pin 1] - OUT_2 [pin 20] - SENSE/FB [pin 3] ### U7 — [LM5013DDAR](https://www.flux.ai/adrian95/lm5013ddar.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LM5013DDAR - Symbol Style: parametric-v1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/524b6a450a52e5e852f95c810d6c7b8c899bf7c1b5c33bba9a82499d324d039d.pdf - Part Type: Linear Regulator - Role Details: 24 V protected bus to about 15.7 V pre-rail for +15 V laser LDO - Package or Case Code: 8-powerSoic - Manufacturer Name: Texas Instruments - Role: Buck Regulator **Pins:** - BST [pin 7] - EN/UVLO [pin 3] - EP [pin 9] - FB [pin 5] - GND [pin 1] - PGOOD [pin 6] - RON [pin 4] - SW [pin 8] - VIN [pin 2] ### U8 — [LT1963AEQ#PBF](https://www.flux.ai/lcsc/lt1963aeqpbf~pgh6.md) - Role: Low-Noise LDO - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Analog-Devices-LT1963AEQ-PBF_C107286.pdf - Role Details: 15.7 V pre-rail to +15V_LASER, estimated LDO heat about 1.05 W at 1.5 A - JLCPCB Part Class: Extended Part - Manufacturer Name: ADI(亚德诺) - Part Type: Linear Voltage Regulators (LDO) - Product Info Url: https://lcsc.com/product-detail/Low-Dropout-Regulators-LDO_LINEAR_LT1963AEQ-PBF_LT1963AEQ-PBF_C107286.html - LCSC Part Number: C107286 - Manufacturer Part Number: LT1963AEQ#PBF - Package or Case Code: TO-263-5_L10.6-W9.6-P1.70-LS15.9-BR **Pins:** - ~{SHDN} [pin 1] - GND [pin 3] - IN [pin 2] - OUT [pin 4] - SENSE/ADJ [pin 5] - TAB [pin 6] ### U9 — [DKA30B-15](https://www.flux.ai/adrian95/dka30b-15~59k.md) - Role Details: 24 V to isolated +/-15 V, 30 W class, feeds +/-12 V post-regulators - Package or Case Code: DKA30B15 - Datasheet URL: https://www.meanwellusa.com/upload/pdf/DKA30/DKA30-spec.pdf - Manufacturer Name: MEAN WELL USA Inc. - Part Type: Power Source - Manufacturer Part Number: DKA30B-15 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Isolated DC-DC Module **Pins:** - -VIN [pin 3] - -VOUT [pin 7] - +VIN [pin 4] - +VOUT [pin 5] - COM [pin 6] - NO_PIN [pin 2] - R.C [pin 1] - TRIM [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sagea/flipr-power-distribution-board~5r](https://www.flux.ai/sagea/flipr-power-distribution-board~5r).* --- *Generated from [https://www.flux.ai/sagea/flipr-power-distribution-board~5r](https://www.flux.ai/sagea/flipr-power-distribution-board~5r)*