Tel: +86-0755-83501315
Email: sales@sic-components.com
Image | Product Number | Pricing(USD) | Quantity | ECAD | Quantity Available | Weight(Kg) | Mfr | Series | Package | Product Status | Voltage - Rated | Operating Temperature | Mounting Type | Features | Base Product Number | Includes | Termination | Ingress Protection | DataSheet | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | Other Names | ECCN | HTSUS | Standard Package | Connector Type | Internal Switch(s) | Current Rating (Amps) | Shielding | Contact Material | Housing Material | Material Flammability Rating | Insulation Color | Gender | Mounting Feature | Thread Size | Cable Opening | Housing Color | Convert From (Adapter End) | Convert To (Adapter End) | Number of Positions/Contacts | Conversion Type | Body Material | Body Finish | Actual Diameter | Contact Material - Plating | Panel Hole Size | Signal Lines | Industry Recognized Mating Diameter | Mating Length/Depth | Body Color |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
4831.2200 | - | ![]() |
6316 | 0.00000000 | SCHURTER Inc. | 4831 | Bulk | Active | 30VAC/DC | -20°C ~ 70°C | Panel Mount, Through Hole | Mounting Hardware, Thread Lock | 2 pcs - 1 Connector, 1 Nut | Solder Eyelet(s) | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4030 | 500 | Phone Jack | Single Switch | 500 mA | Unshielded | Brass | Plastic | - | Female | M4X0.5 | - | 2 Conductors, 3 Contacts | - | 0.102" (2.60mm) | Gold | 0.165" (4.20mm) | Mono | 2.50mm (0.094", 3/32", Sub Mini, Miniature) - Headphone | 0.433" (11.00mm) | Black | |||||||||||
![]() |
STX-3150-3C-1 | 2.1600 | ![]() |
992 | 0.00000000 | Kycon, Inc. | STX-3150 | Bag | Active | - | -25°C ~ 85°C | Through Hole, Right Angle | Thread Lock | - | Solder | download | ROHS3 Compliant | 1 (Unlimited) | 2092-STX-3150-3C-1 | EAR99 | 8536.69.4030 | 500 | Phone Jack | Does Not Contain Switch | Unshielded | Brass, Phosphor Bronze | Polybutylene Terephthalate (PBT) | Black | Female | M6x0.5 | - | 3 Conductors, 3 Contacts | - | 0.142" (3.60mm) | Tin | - | Stereo (3 Conductor, TRS) | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | - | Black | ||||||||||||
UJ2B | 5.8300 | ![]() |
114 | 0.00000000 | Switchcraft Inc. | UNIJAX® | Bulk | Active | - | - | Panel Mount | Mounting Hardware, Thread Lock | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder Eyelet(s) | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4040 | 100 | Phone Jack | Does Not Contain Switch | Unshielded | Brass; Copper Alloy | Thermoplastic | - | Female | 9/32"-32 | - | 3 Conductors, 3 Contacts | Copper Alloy | 0.177" (4.48mm) | - | - | Stereo (3 Conductor, TRS) | 4.39mm (0.173") | - | Silver, Black | |||||||||||||
![]() |
SJ1-3555NG-BE | 1.3100 | ![]() |
5 | 0.00000000 | CUI Devices | SJ1 | Bag | Active | 12VDC | -25°C ~ 85°C | Through Hole, Right Angle | - | SJ1-35 | - | Kinked Pin | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.4040 | 100 | Phone Jack | Two Switches | 1 A | Unshielded | Brass; Copper Alloy | Polybutylene Terephthalate (PBT) | - | Female | - | - | 3 Conductors, 5 Contacts | - | 0.142" (3.60mm) | Tin | - | Stereo (3 Conductor, TRS) | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | 0.551" (14.00mm) | Blue | ||||||||||
![]() |
PJ-025 | 0.7400 | ![]() |
93 | 0.00000000 | CUI Devices | - | Bag | Active | 24VDC | -25°C ~ 85°C | Through Hole, Right Angle | Board Guide | - | Solder | - | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.4040 | 500 | Jack | Single Switch, Normally Closed | 3 A | Unshielded | Brass, Copper Alloy | Polybutylene Terephthalate (PBT) | UL94 V-0 | - | Female | - | - | 2 Conductors, 3 Contacts | - | 0.057" (1.45mm ID), 0.157" (4.00mm OD) | Tin | 1.40mm ID (0.055"), 4.30mm ID (0.169"), 6.50mm OD (0.256") EIAJ-5 | 0.354" (9.00mm) | Black | |||||||||||
![]() |
ACJC9AHL BULK | 2.3286 | ![]() |
2287 | 0.00000000 | Amphenol Sine Systems Corp | AC | Box | Active | - | -25°C ~ 70°C | Panel Mount, Through Hole, Right Angle | Board Guide | ACJC9 | - | Kinked Pin, Solder | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | 889-ACJC9AHLBULK | EAR99 | 8536.69.4030 | 1,000 | Phone Jack, Dual | Three Switches | 7.5 A | Unshielded | Brass, Bronze | Polyamide (PA66), Nylon 6/6, Glass Filled | - | Female | - | - | 3 Conductors, 10 Contacts | - | - | Gold, Silver | 0.937" (23.80mm) | Stereo (3 Conductor, TRS) | 6.35mm (0.250", 1/4") - Headphone | - | Black | |||||||||
![]() |
SJ-42534-SMT | - | ![]() |
4464 | 0.00000000 | CUI Devices | SJ | Tape & Reel (TR) | Obsolete | 16VDC | -20°C ~ 85°C | Surface Mount, Right Angle | Board Guide | SJ-42 | - | Solder | download | RoHS Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.4040 | 1,000 | Phone Jack | Does Not Contain Switch | 300 mA | Unshielded | Brass; Copper Alloy | Polyamide (PA6T), Nylon 6T | - | Female | - | - | 4 Conductors, 4 Contacts | - | 0.102" (2.60mm) | Silver | - | Stereo (4 Conductor, TRRS) | 2.50mm (0.094", 3/32", Sub Mini, Miniature) - Headphone | - | Black | ||||||||||
SN37A11 | 3.0400 | ![]() |
825 | 0.00000000 | Switchcraft Inc. | SN37A | Bulk | Active | - | - | Through Hole, Right Angle | Board Guide, Cover | SN37A1 | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4040 | 100 | Phone Jack | Does Not Contain Switch | Unshielded | Brass | Thermoplastic | - | Female | - | - | 2 Conductors, 2 Contacts | - | 0.250" (6.35mm) | Nickel | - | Mono | 6.35mm (0.250", 1/4") - Headphone | - | Black | ||||||||||||
![]() |
3504MX | - | ![]() |
7680 | 0.00000000 | Switchcraft Inc. | 3507 | Bulk | Obsolete | - | - | Free Hanging (In-Line) | - | - | Solder | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.8000 | 1 | Phono (RCA) Plug | Does Not Contain Switch | Unshielded | Copper Alloy | - | - | Male | - | - | 2 Conductors, 2 Contacts | Copper Alloy | - | Nickel | - | Mono | 3.20mm ID, 9.00mm OD (RCA) | - | Silver | ||||||||||||
![]() |
KLDX-0202-BP-LT | 1.4300 | ![]() |
666 | 0.00000000 | Kycon, Inc. | KLDX | Bulk | Active | 24VDC | -25°C ~ 85°C | Through Hole, Right Angle | - | KLDX-0202 | - | Solder Eyelet(s) | - | download | RoHS Compliant | 1 (Unlimited) | 2092-KLDX-0202-BP-LT | EAR99 | 8536.69.4040 | 500 | Jack | Single Switch, Normally Closed | 3.5 A | Unshielded | Brass, Phosphor Bronze | Polybutylene Terephthalate (PBT) | UL94 V-0 | - | Male | - | - | 2 Conductors, 3 Contacts | - | 0.098" (2.50mm ID), 0.224" (5.70mm OD) | Tin | 2.50mm ID (0.098"), 5.50mm OD (0.217") | - | Black | ||||||||||
![]() |
SJ2-25994C-SMT-TR | 1.4000 | ![]() |
998 | 0.00000000 | CUI Devices | SJ2 | Cut Tape (CT) | Obsolete | 12VDC | -25°C ~ 85°C | Surface Mount, Right Angle | Board Guide | SJ2-25 | - | Solder | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.8000 | 1,000 | Phone Jack | Single Switch | 1 A | Unshielded | Copper Alloy | Polyamide (PA10T), Nylon 10T | - | Female | - | - | 4 Conductors, 5 Contacts | - | 0.102" (2.60mm) | Gold | - | Stereo (4 Conductor, TRRS) | 2.50mm (0.094", 3/32", Sub Mini, Miniature) - Headphone | 0.433" (11.00mm) | Black | ||||||||||
![]() |
ACJC10VL BULK | - | ![]() |
8613 | 0.00000000 | Amphenol Sine Systems Corp | AC | Box | Active | - | -25°C ~ 70°C | Panel Mount, Through Hole | Board Guide | ACJC10 | - | Kinked Pin, Solder | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | 889-ACJC10VLBULK | EAR99 | 8536.69.4030 | 100 | Phone Jack, Dual | Three Switches | 7.5 A | Unshielded | Brass, Bronze | Polyamide (PA66), Nylon 6/6, Glass Filled | - | Female | - | - | 3 Conductors, 11 Contacts | - | - | Gold, Silver | 0.937" (23.80mm) | Stereo (3 Conductor, TRS) | 6.35mm (0.250", 1/4") - Headphone | - | Black | |||||||||
![]() |
KM2P-AU | 4.0122 | ![]() |
4691 | 0.00000000 | Amphenol Audio | K | Bulk | Active | - | -20°C ~ 65°C | Free Hanging (In-Line) | - | KM | - | Solder Eyelet(s) | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | 889-KM2P-AU | EAR99 | 8536.69.8000 | 300 | Phone Plug | Does Not Contain Switch | Unshielded | Brass | Zinc Alloy | - | Male | - | - | 2 Conductors, 2 Contacts | - | 0.138" (3.50mm) | Gold | - | Mono | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | 0.555" (14.10mm) | Gold, Silver | ||||||||||
![]() |
732ACF | 7.2300 | ![]() |
47 | 0.00000000 | Switchcraft Inc. | CF | Bulk | Active | 24V | -40°C ~ 105°C | Free Hanging (In-Line) | Strain Relief | 732A | - | Solder Eyelet(s) | - | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | SC3497 | EAR99 | 8536.69.8000 | 100 | Jack | - | 5 A | Unshielded | Copper Alloy | Thermoplastic | - | Black | Male | - | - | 2 Conductors, 3 Contacts | Copper Alloy | 0.047" (1.20mm ID) | Tin | 1.20mm ID (0.047") | - | Silver, Black | |||||||||
![]() |
L722AH | 6.4500 | ![]() |
2040 | 0.00000000 | Switchcraft Inc. | - | Bulk | Active | 24VDC | - | Through Hole | - | L722A | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder Eyelet(s) | - | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | SC2648 | EAR99 | 8536.69.4030 | 100 | Jack | Single Switch | Unshielded | Copper Alloy | Thermoplastic | - | - | Male | - | 5/16"-32 | 2 Conductors, 3 Contacts | Copper Alloy | - | Silver | - | - | Silver, White | ||||||||||
KLPX-0848A-2-W | 0.9500 | ![]() |
8 | 0.00000000 | Kycon, Inc. | KLPX | Bulk | Active | - | -25°C ~ 80°C | Through Hole, Right Angle | Board Lock | KLPX-0848 | - | Kinked Pin | download | RoHS Compliant | 1 (Unlimited) | 2092-KLPX-0848A-2-W | EAR99 | 8536.69.4040 | 500 | Phono (RCA) Jack | Does Not Contain Switch | Unshielded | Brass | Polybutylene Terephthalate (PBT) | White | Female | - | - | 2 Conductors, 2 Contacts | Brass | 0.130" (3.30mm ID), 0.327" (8.30mm OD) | Nickel, Tin | - | Mono | 3.20mm ID, 9.00mm OD (RCA) | - | Silver, White | ||||||||||||
![]() |
SJ1-3535N | 1.7200 | ![]() |
19 | 0.00000000 | CUI Devices | SJ1 | Tray | Active | 16VDC | -25°C ~ 85°C | Through Hole, Right Angle | - | SJ1-35 | - | Solder | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4040 | 100 | Phone Jack | Two Switches | 1 A | Unshielded | Brass | Polybutylene Terephthalate (PBT) | - | Female | - | - | 3 Conductors, 5 Contacts | Brass | 0.142" (3.60mm) | Tin | - | Stereo (3 Conductor, TRS) | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | 0.551" (14.00mm) | Silver, Black | ||||||||||
![]() |
54-00263 | 4.4200 | ![]() |
655 | 0.00000000 | Tensility International Corp | - | Tray | Active | 48V | -40°C ~ 105°C | Panel Mount | Mounting Hardware | - | Solder | - | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | 839-54-00263 | EAR99 | 8536.69.4030 | 500 | Jack | Does Not Contain Switch | 6.5 A | Unshielded | Beryllium Copper, Brass | Polyamide (PA), Nylon | UL94 V-0 | Black | Male | Bulkhead - Rear Side Nut | M9x1 | 2 Conductors, 2 Contacts | - | 0.053" (1.35mm ID), 0.138" (3.50mm OD) | Nickel | 1.35mm ID (0.053"), 3.50mm OD (0.138") | - | Silver, Black | ||||||||||
![]() |
PJ-066B | 2.7600 | ![]() |
23 | 0.00000000 | CUI Devices | - | Bag | Active | 24VDC | -25°C ~ 70°C | Panel Mount, Through Hole, Right Angle | Mounting Hardware, Thread Lock | PJ-066 | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder | - | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.4030 | 250 | Jack | Single Switch, Normally Closed | 5 A | Unshielded | Brass, Phosphor Bronze | Polybutylene Terephthalate (PBT) | UL94 V-0 | - | Male | Bulkhead - Front Side Nut | 5/16"-32 | 2 Conductors, 3 Contacts | Brass | 0.098" (2.50mm ID), 0.224" (5.70mm OD) | Silver | 2.50mm ID (0.098"), 5.50mm OD (0.217") | 0.331" (8.40mm) | Silver | ||||||||||
![]() |
STX-4235-3/3-N | 3.1500 | ![]() |
47 | 0.00000000 | Kycon, Inc. | STX-4235 | Tray | Active | 16VDC | -25°C ~ 85°C | Through Hole, Right Angle | Board Lock | STX | - | Solder | download | RoHS Compliant | 1 (Unlimited) | 2092-STX-4235-3/3-N | EAR99 | 8536.69.4040 | 100 | Phone Jack | Does Not Contain Switch | 300 mA | Unshielded | Phosphor Bronze | Polyamide (PA46), Nylon 4/6, Glass Filled | - | Female | - | - | 2 Sets of 3 Conductors, 6 Contacts | - | 0.142" (3.60mm) | Tin | - | Stereo (3 Conductor, TRS) | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | - | Black | ||||||||||
![]() |
EJ501B | 2.0200 | ![]() |
6 | 0.00000000 | MPD (Memory Protection Devices) | - | Bulk | Active | 12VDC | -15°C ~ 90°C | Chassis Mount | - | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder Eyelet(s) | - | download | RoHS Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8538.90.8180 | 200 | Jack | Single Switch, Normally Closed | 5 A | Unshielded | Brass, Copper Alloy | - | - | - | Male | Bulkhead - Front Side Nut | M8x0.75 | 2 Conductors, 2 Contacts | Brass | 0.098" (2.50mm ID), 0.220" (5.60mm OD) | Silver | 2.50mm ID (0.098"), 5.50mm OD (0.217") | - | Silver | |||||||||||
![]() |
173X | - | ![]() |
6334 | 0.00000000 | Switchcraft Inc. | MITI-PLUG® | Bulk | Active | - | - | Free Hanging (In-Line) | - | 2 pcs - 1 Connector, 1 Handle | Solder | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.8000 | 1 | Phone Plug | Does Not Contain Switch | Shielded | Copper Alloy | Plastic | - | Male | - | - | 2 Conductors, 2 Contacts | Copper Alloy | 0.250" (6.35mm) | - | - | Mono | 6.35mm (0.250", 1/4") - Headphone | 1.200" (30.50mm) | Black | ||||||||||||
![]() |
113EX | - | ![]() |
9577 | 0.00000000 | Switchcraft Inc. | Hi-D® 11* | Bulk | Active | 48VDC | -20°C ~ 65°C | Panel Mount, Through Hole | Mounting Hardware, Thread Lock | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder Eyelet(s) | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.8000 | 500 | Phone Jack | Single Switch | 3 A | Unshielded | Brass | Polyester, Glass Filled | - | Female | 3/8"-32 | - | 2 Conductors, 4 Contacts | Brass | 0.250" (6.35mm) | Tin | 0.375" (9.52mm) | Mono | 6.35mm (0.250", 1/4") - Headphone | - | Silver, Black | |||||||||||
![]() |
ST10UC1 | 11.9500 | ![]() |
71 | 0.00000000 | Switchcraft Inc. | CF | Bulk | Active | 24V | -40°C ~ 105°C | Free Hanging (In-Line) | - | ST10U | - | Solder Eyelet(s) | - | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | SC3500 | EAR99 | 8536.69.8000 | 100 | Jack | - | 11 A | Unshielded | Copper Alloy | Thermoplastic | - | Black | Male | - | - | 2 Conductors, 3 Contacts | Copper Alloy | 0.075" (1.90mm ID) | Tin | 1.90mm ID (0.075") | - | Silver, Black | |||||||||
BPJJ04AUX | 5.8000 | ![]() |
881 | 0.00000000 | Switchcraft Inc. | - | Bulk | Active | Panel Mount | Mounting Hardware | BPJJ04 | 3 pcs - 1 Connector, 1 Nut, 1 Washer | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4030 | 100 | Unshielded | Yellow, Yellow | Female to Female | Bulkhead - Rear Side Nut | - | Phono (RCA) Jack | Phono (RCA) Jack | 2 Conductors | Same Series | Brass | Gold | 0.126" (3.20mm ID), 0.327" (8.30mm OD) | Nickel | ||||||||||||||||||||
760BK | 6.9000 | ![]() |
912 | 0.00000000 | Switchcraft Inc. | - | Bulk | Active | - | - | Free Hanging (In-Line) | - | 2 pcs - 1 Connector, 1 Handle | Solder Eyelet(s) | - | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.8000 | 100 | Plug | Does Not Contain Switch | 5 A | Unshielded | Copper Alloy | Thermoplastic | - | Black | Female | - | - | 2 Conductors, 2 Contacts | Copper Alloy | - | Nickel | 2.50mm ID (0.098"), 5.50mm OD (0.217") | 0.461" (11.70mm) | Silver, Black | ||||||||||||
![]() |
852 | - | ![]() |
4602 | 0.00000000 | Switchcraft Inc. | MICRO-PLUG® | - | Obsolete | 500VAC | -20°C ~ 65°C | Free Hanging (In-Line) | - | - | 2 pcs - 1 Connector, 1 Handle | Solder Eyelet(s) | - | RoHS non-compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.8000 | 100 | Phone Plug | Does Not Contain Switch | 125 mA | Unshielded | Brass | Aluminum | - | Male | - | 0.125" (3.18mm) | 2 Conductors, 2 Contacts | Copper Alloy | 0.097" (2.46mm) | Silver | - | Mono | 2.46mm ID (0.097") | 0.453" (11.50mm) | Silver, Black | ||||||||||
![]() |
SJ-435107 | 1.7700 | ![]() |
6 | 0.00000000 | CUI Devices | SJ | Tray | Active | 12V | -35°C ~ 85°C | Through Hole, Right Angle | Grounding Tab | SJ-43 | - | Solder | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8536.69.4040 | 270 | Phone Jack | Does Not Contain Switch | 1 A | Shielded | Copper Alloy | Polyamide (PA66), Nylon 6/6 | - | Female | - | - | 4 Conductors, 4 Contacts | Brass | 0.142" (3.60mm) | Tin | - | Stereo (4 Conductor, TRRS) | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | 0.551" (14.00mm) | Silver | ||||||||||
![]() |
SN70B12A | - | ![]() |
9981 | 0.00000000 | Switchcraft Inc. | SN70B | - | Obsolete | - | - | Through Hole, Right Angle | Mounting Hardware, Thread Lock | 3 pcs - 1 Connector, 1 Nut, 1 Washer | Solder | - | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4040 | 50 | Phone Jack | Single Switch | Unshielded | Brass | Thermoplastic | - | Female | 3/8"-32 | - | 2 Conductors, 3 Contacts | - | 0.250" (6.35mm) | Nickel | - | Mono | 6.35mm (0.250", 1/4") - Headphone | - | Black | ||||||||||||
![]() |
EH35MMMSC | 14.7000 | ![]() |
26 | 0.00000000 | Switchcraft Inc. | EH | Bulk | Active | - | -10°C ~ 60°C | Panel Mount | - | EH35MM | 3 pcs - 1 Connector, 1 Housing, 1 Nut | Solder Cup | download | ROHS3 Compliant | Not Applicable | REACH Unaffected | EAR99 | 8536.69.4030 | 25 | Phone Jack | Does Not Contain Switch | Unshielded | Copper Alloy | Thermoplastic | - | Female | - | - | 2 Conductors, 2 Contacts | Zinc Alloy | 0.142" (3.60mm) | Silver | 0.945" (24.00mm) | Mono | 3.50mm (0.141", 1/8", Mini Plug) - Headphone | - | Silver |
Daily average RFQ Volume
Standard Product Unit
Worldwide Manufacturers
In-stock Warehouse