GRAYHILL Switch Push SPDT 0.4VA 20V - Part Number: 38BH-0-H-3-S
Introducing the Grayhill 38BH-0-H-3-S, a high-quality pushbutton switch designed for reliable performance in electronic applications. Manufactured in China, this switch features a compact, sub-miniature horizontal PC mount design suitable for various industrial and consumer devices.
Product Features
Sealed plunger option for enhanced durability
Drop-in replacement for industry-standard switches
Printed circuit board (PCB) mount configuration
Available in SPST and SPDT configurations with momentary contact operation
Thermoplastic base and cover (UL 94V-0 rated)
Copper alloy terminals with gold or silver plating over nickel
Spring made of plated music wire for reliable actuation
Rated Current: 0.4VA (resistive load) with gold contacts; 1.0A at 120V AC or 28V DC with silver contacts
Contact Resistance: Typically below 20 milliohms at 2-4V DC, 100mA
Operating Life: 80,000 make-and-break cycles at full load
Insulation Resistance: Minimum 1000 megaohms
Voltage Breakdown: Minimum 1000 Vrms at sea level
Operating Temperature Range: -30°C to +85°C
Solderability: Compliant with MIL-STD-202F, Method 208D or EIA RS-186E Method 9
Physical Dimensions
Dimension
Size (in inches)
Size (mm)
Mounting Hole Diameter
0.180
4.57
Overall Length
0.249
6.32
Plunger Length
0.165
4.19
Terminal Spacing
0.200
5.08
Height
0.125
3.18
For more detailed specifications and technical information, please refer to the datasheet. Please note that the datasheet was not processed; search the internet for the part number for additional details.
{"id":10023336149309,"title":"38BH-0-H-3-S","handle":"38bh-0-h-3-s","description":"\u003ch3\u003eGRAYHILL Switch Push SPDT 0.4VA 20V - Part Number: 38BH-0-H-3-S\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Grayhill 38BH-0-H-3-S, a high-quality pushbutton switch designed for reliable performance in electronic applications. Manufactured in China, this switch features a compact, sub-miniature horizontal PC mount design suitable for various industrial and consumer devices.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed plunger option for enhanced durability\u003c\/li\u003e\n \u003cli\u003eDrop-in replacement for industry-standard switches\u003c\/li\u003e\n \u003cli\u003ePrinted circuit board (PCB) mount configuration\u003c\/li\u003e\n \u003cli\u003eAvailable in SPST and SPDT configurations with momentary contact operation\u003c\/li\u003e\n \u003cli\u003eThermoplastic base and cover (UL 94V-0 rated)\u003c\/li\u003e\n \u003cli\u003eCopper alloy terminals with gold or silver plating over nickel\u003c\/li\u003e\n \u003cli\u003eSpring made of plated music wire for reliable actuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003e38BH-0-H-3-S\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eGRAYHILL\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin\u003c\/th\u003e\n \u003ctd\u003eCN\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eBLK\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDatasheet\u003c\/th\u003e\n \u003ctd\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-38bh-0-h-3-s.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRated Voltage: 20V\u003c\/li\u003e\n \u003cli\u003eRated Current: 0.4VA (resistive load) with gold contacts; 1.0A at 120V AC or 28V DC with silver contacts\u003c\/li\u003e\n \u003cli\u003eContact Resistance: Typically below 20 milliohms at 2-4V DC, 100mA\u003c\/li\u003e\n \u003cli\u003eOperating Life: 80,000 make-and-break cycles at full load\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: Minimum 1000 megaohms\u003c\/li\u003e\n \u003cli\u003eVoltage Breakdown: Minimum 1000 Vrms at sea level\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -30°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSolderability: Compliant with MIL-STD-202F, Method 208D or EIA RS-186E Method 9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSize (in inches)\u003c\/th\u003e\n \u003cth\u003eSize (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n \u003ctd\u003e0.180\u003c\/td\u003e\n \u003ctd\u003e4.57\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOverall Length\u003c\/td\u003e\n \u003ctd\u003e0.249\u003c\/td\u003e\n \u003ctd\u003e6.32\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePlunger Length\u003c\/td\u003e\n \u003ctd\u003e0.165\u003c\/td\u003e\n \u003ctd\u003e4.19\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Spacing\u003c\/td\u003e\n \u003ctd\u003e0.200\u003c\/td\u003e\n \u003ctd\u003e5.08\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHeight\u003c\/td\u003e\n \u003ctd\u003e0.125\u003c\/td\u003e\n \u003ctd\u003e3.18\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor more detailed specifications and technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-38bh-0-h-3-s.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that the datasheet was not processed; search the internet for the part number for additional details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-13T22:18:43+05:30","created_at":"2025-08-13T22:18:43+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["20V","4VA","GRAYH","IMPORT_CSV","PUSH","Pushbutton","Switch","WLDM"],"price":216063,"price_min":216063,"price_max":216063,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50616342184253,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"38BH-0-H-3-S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"38BH-0-H-3-S","public_title":null,"options":["Default Title"],"price":216063,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"38BH-0-H-3-S","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/38BH-0-H-3-S_Series_2038BT_BH_f688c1dd.jpg?v=1755103727"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/38BH-0-H-3-S_Series_2038BT_BH_f688c1dd.jpg?v=1755103727","options":["Title"],"media":[{"alt":null,"id":45822437359933,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/38BH-0-H-3-S_Series_2038BT_BH_f688c1dd.jpg?v=1755103727"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/38BH-0-H-3-S_Series_2038BT_BH_f688c1dd.jpg?v=1755103727","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eGRAYHILL Switch Push SPDT 0.4VA 20V - Part Number: 38BH-0-H-3-S\u003c\/h3\u003e\n\u003cp\u003eIntroducing the Grayhill 38BH-0-H-3-S, a high-quality pushbutton switch designed for reliable performance in electronic applications. Manufactured in China, this switch features a compact, sub-miniature horizontal PC mount design suitable for various industrial and consumer devices.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSealed plunger option for enhanced durability\u003c\/li\u003e\n \u003cli\u003eDrop-in replacement for industry-standard switches\u003c\/li\u003e\n \u003cli\u003ePrinted circuit board (PCB) mount configuration\u003c\/li\u003e\n \u003cli\u003eAvailable in SPST and SPDT configurations with momentary contact operation\u003c\/li\u003e\n \u003cli\u003eThermoplastic base and cover (UL 94V-0 rated)\u003c\/li\u003e\n \u003cli\u003eCopper alloy terminals with gold or silver plating over nickel\u003c\/li\u003e\n \u003cli\u003eSpring made of plated music wire for reliable actuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003e38BH-0-H-3-S\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eGRAYHILL\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin\u003c\/th\u003e\n \u003ctd\u003eCN\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eBLK\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDatasheet\u003c\/th\u003e\n \u003ctd\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-38bh-0-h-3-s.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRated Voltage: 20V\u003c\/li\u003e\n \u003cli\u003eRated Current: 0.4VA (resistive load) with gold contacts; 1.0A at 120V AC or 28V DC with silver contacts\u003c\/li\u003e\n \u003cli\u003eContact Resistance: Typically below 20 milliohms at 2-4V DC, 100mA\u003c\/li\u003e\n \u003cli\u003eOperating Life: 80,000 make-and-break cycles at full load\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: Minimum 1000 megaohms\u003c\/li\u003e\n \u003cli\u003eVoltage Breakdown: Minimum 1000 Vrms at sea level\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -30°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSolderability: Compliant with MIL-STD-202F, Method 208D or EIA RS-186E Method 9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSize (in inches)\u003c\/th\u003e\n \u003cth\u003eSize (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n \u003ctd\u003e0.180\u003c\/td\u003e\n \u003ctd\u003e4.57\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOverall Length\u003c\/td\u003e\n \u003ctd\u003e0.249\u003c\/td\u003e\n \u003ctd\u003e6.32\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePlunger Length\u003c\/td\u003e\n \u003ctd\u003e0.165\u003c\/td\u003e\n \u003ctd\u003e4.19\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Spacing\u003c\/td\u003e\n \u003ctd\u003e0.200\u003c\/td\u003e\n \u003ctd\u003e5.08\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHeight\u003c\/td\u003e\n \u003ctd\u003e0.125\u003c\/td\u003e\n \u003ctd\u003e3.18\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor more detailed specifications and technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-38bh-0-h-3-s.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Please note that the datasheet was not processed; search the internet for the part number for additional details.\u003c\/p\u003e\u003cbr\u003e"}