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GRAYHILL
78F03ST
GRAYHILL 78F03ST DIP Switch 2PST 3 Pos Tape Seal
The GRAYHILL 78F03ST is a high-quality DIP switch designed for precise electronic applications. Manufactured in China, this switch offers reliable performance with a compact form factor suitable for various circuit configurations.
Part Number: 78F03ST
Manufacturer: GRAYHILL
Country of Origin: CN
Unit of Measure: EA (Each)
ECCN: EAR99
Package Type: TUBE
Datasheet: Download Datasheet
Product Features
Type: DIP Switch, 2PST (Double Pole Single Throw), 3 Positions
Configuration: Tape Seal for secure packaging and protection
Switch Type: DIP Switch with Recessed or Raised Slides options
RoHS Compliant: Yes
Designed for reliable operation in a wide temperature range from -40°C to +85°C
Suitable for machine soldering and heavy cleaning processes with optional tape seal versions
Technical Specifications
Parameter
Value
Mechanical Life
2,000 operations per switch position
Make-and-break Current Rating
At 1 mA, 5 Vdc; 50 mA, 30 Vdc; or 150 mA, 30 Vdc: 2,000 cycles
Contact Resistance
Initially ≤ 30 mΩ; After life ≤ 100 mΩ
Insulation Resistance
Minimum 5,000 MΩ initially; 1,000 MΩ after life
Dielectric Strength
750 V (initial), 500 V (after life)
Current Carry Rating
Maximum rise of 20°C: 5 A
Operating Temperature Range
-40°C to +85°C
Storage Temperature Range
-55°C to +85°C
Switch Capacitance
2 pF at 1 MHz
Materials & Finishes
Shorting Member: Brass, gold-plated over nickel barrier
Base Contacts: Copper alloy, gold-plated over nickel barrier
Terminals: Copper alloy, matte-tin plated over nickel barrier
Non-Conductive Parts: Thermoplastic (UL94V-0)
Potting Material: Epoxy (for 76,78 series)
Protective Cover: Polycarbonate (for 76,78 series)
Packaging & Environmental Ratings
Tape Seal Material: Polyester film (76,78 series)
Leak Test: Passes gross leak test with 125°C fluorinated for 20 seconds
Vibration & Shock Resistance: Meets MIL-STD-202 and MIL-STD-213 standards
Moisture Resistance: Meets MIL-S-83504 specifications
Soldering & Cleaning
Follow Grayhill soldering guidelines for optimal performance
Passes MIL-STD-202, Method 208 solderability tests
Cleaning solutions include water/detergent, isopropyl alcohol, and approved solvents
Ordering Information
Circuitry
No. of Positions
Length Inches
Length Metric
No./Tube
Raised Slides
Recessed Slides
2PST
1, 2, 3
0.280", 0.480", 0.680"
7.1mm, 12.2mm, 17.3mm
35, 21, 15
78F01T, 78F02T, 78F03T
78RB01T, 78RB02T, 78RB03T
Note: For switches with 5, 6, 7, 8, or 10PST circuitry, contact Grayhill directly.
For more details, please refer to the datasheet .
Product Disclaimers: Ensure compatibility with your application environment. Verify specifications before deployment.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10026398810429,"title":"78F03ST","handle":"78f03st","description":"\u003ch3\u003eGRAYHILL 78F03ST DIP Switch 2PST 3 Pos Tape Seal\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGRAYHILL 78F03ST\u003c\/strong\u003e is a high-quality DIP switch designed for precise electronic applications. Manufactured in China, this switch offers reliable performance with a compact form factor suitable for various circuit configurations.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 78F03ST\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TUBE\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-78f03st.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eType: DIP Switch, 2PST (Double Pole Single Throw), 3 Positions\u003c\/li\u003e\n \u003cli\u003eConfiguration: Tape Seal for secure packaging and protection\u003c\/li\u003e\n \u003cli\u003eSwitch Type: DIP Switch with Recessed or Raised Slides options\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eDesigned for reliable operation in a wide temperature range from -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSuitable for machine soldering and heavy cleaning processes with optional tape seal versions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical Life\u003c\/td\u003e\n \u003ctd\u003e2,000 operations per switch position\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMake-and-break Current Rating\u003c\/td\u003e\n \u003ctd\u003eAt 1 mA, 5 Vdc; 50 mA, 30 Vdc; or 150 mA, 30 Vdc: 2,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eInitially ≤ 30 mΩ; After life ≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 5,000 MΩ initially; 1,000 MΩ after life\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e750 V (initial), 500 V (after life)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Carry Rating\u003c\/td\u003e\n \u003ctd\u003eMaximum rise of 20°C: 5 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSwitch Capacitance\u003c\/td\u003e\n \u003ctd\u003e2 pF at 1 MHz\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials \u0026amp; Finishes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eShorting Member: Brass, gold-plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eBase Contacts: Copper alloy, gold-plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eTerminals: Copper alloy, matte-tin plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eNon-Conductive Parts: Thermoplastic (UL94V-0)\u003c\/li\u003e\n \u003cli\u003ePotting Material: Epoxy (for 76,78 series)\u003c\/li\u003e\n \u003cli\u003eProtective Cover: Polycarbonate (for 76,78 series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Environmental Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eTape Seal Material: Polyester film (76,78 series)\u003c\/li\u003e\n \u003cli\u003eLeak Test: Passes gross leak test with 125°C fluorinated for 20 seconds\u003c\/li\u003e\n \u003cli\u003eVibration \u0026amp; Shock Resistance: Meets MIL-STD-202 and MIL-STD-213 standards\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: Meets MIL-S-83504 specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSoldering \u0026amp; Cleaning\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eFollow Grayhill soldering guidelines for optimal performance\u003c\/li\u003e\n \u003cli\u003ePasses MIL-STD-202, Method 208 solderability tests\u003c\/li\u003e\n \u003cli\u003eCleaning solutions include water\/detergent, isopropyl alcohol, and approved solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eCircuitry\u003c\/th\u003e\n \u003cth\u003eNo. of Positions\u003c\/th\u003e\n \u003cth\u003eLength Inches\u003c\/th\u003e\n \u003cth\u003eLength Metric\u003c\/th\u003e\n \u003cth\u003eNo.\/Tube\u003c\/th\u003e\n \u003cth\u003eRaised Slides\u003c\/th\u003e\n \u003cth\u003eRecessed Slides\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2PST\u003c\/td\u003e\n \u003ctd\u003e1, 2, 3\u003c\/td\u003e\n \u003ctd\u003e0.280\", 0.480\", 0.680\"\u003c\/td\u003e\n \u003ctd\u003e7.1mm, 12.2mm, 17.3mm\u003c\/td\u003e\n \u003ctd\u003e35, 21, 15\u003c\/td\u003e\n \u003ctd\u003e78F01T, 78F02T, 78F03T\u003c\/td\u003e\n \u003ctd\u003e78RB01T, 78RB02T, 78RB03T\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: For switches with 5, 6, 7, 8, or 10PST circuitry, contact Grayhill directly.\u003c\/p\u003e\n\u003cp\u003eFor more details, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-78f03st.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Disclaimers: Ensure compatibility with your application environment. Verify specifications before deployment.\u003c\/p\u003e","published_at":"2025-08-15T07:44:22+05:30","created_at":"2025-08-15T07:44:23+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["DIP","GRAYH","IMPORT_CSV","IMPORT_PT2","Sip","Switch","WLDM"],"price":61673,"price_min":61673,"price_max":61673,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50622211162429,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"78F03ST","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"78F03ST","public_title":null,"options":["Default Title"],"price":61673,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"78F03ST","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/78F03ST_40552508_b1f22df5.jpg?v=1755224064"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/78F03ST_40552508_b1f22df5.jpg?v=1755224064","options":["Title"],"media":[{"alt":null,"id":45847770005821,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/78F03ST_40552508_b1f22df5.jpg?v=1755224064"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/78F03ST_40552508_b1f22df5.jpg?v=1755224064","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eGRAYHILL 78F03ST DIP Switch 2PST 3 Pos Tape Seal\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGRAYHILL 78F03ST\u003c\/strong\u003e is a high-quality DIP switch designed for precise electronic applications. Manufactured in China, this switch offers reliable performance with a compact form factor suitable for various circuit configurations.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 78F03ST\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e GRAYHILL\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TUBE\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-78f03st.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eType: DIP Switch, 2PST (Double Pole Single Throw), 3 Positions\u003c\/li\u003e\n \u003cli\u003eConfiguration: Tape Seal for secure packaging and protection\u003c\/li\u003e\n \u003cli\u003eSwitch Type: DIP Switch with Recessed or Raised Slides options\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eDesigned for reliable operation in a wide temperature range from -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSuitable for machine soldering and heavy cleaning processes with optional tape seal versions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMechanical Life\u003c\/td\u003e\n \u003ctd\u003e2,000 operations per switch position\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMake-and-break Current Rating\u003c\/td\u003e\n \u003ctd\u003eAt 1 mA, 5 Vdc; 50 mA, 30 Vdc; or 150 mA, 30 Vdc: 2,000 cycles\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eInitially ≤ 30 mΩ; After life ≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 5,000 MΩ initially; 1,000 MΩ after life\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e750 V (initial), 500 V (after life)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCurrent Carry Rating\u003c\/td\u003e\n \u003ctd\u003eMaximum rise of 20°C: 5 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSwitch Capacitance\u003c\/td\u003e\n \u003ctd\u003e2 pF at 1 MHz\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials \u0026amp; Finishes\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eShorting Member: Brass, gold-plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eBase Contacts: Copper alloy, gold-plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eTerminals: Copper alloy, matte-tin plated over nickel barrier\u003c\/li\u003e\n \u003cli\u003eNon-Conductive Parts: Thermoplastic (UL94V-0)\u003c\/li\u003e\n \u003cli\u003ePotting Material: Epoxy (for 76,78 series)\u003c\/li\u003e\n \u003cli\u003eProtective Cover: Polycarbonate (for 76,78 series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Environmental Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eTape Seal Material: Polyester film (76,78 series)\u003c\/li\u003e\n \u003cli\u003eLeak Test: Passes gross leak test with 125°C fluorinated for 20 seconds\u003c\/li\u003e\n \u003cli\u003eVibration \u0026amp; Shock Resistance: Meets MIL-STD-202 and MIL-STD-213 standards\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: Meets MIL-S-83504 specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSoldering \u0026amp; Cleaning\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eFollow Grayhill soldering guidelines for optimal performance\u003c\/li\u003e\n \u003cli\u003ePasses MIL-STD-202, Method 208 solderability tests\u003c\/li\u003e\n \u003cli\u003eCleaning solutions include water\/detergent, isopropyl alcohol, and approved solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eCircuitry\u003c\/th\u003e\n \u003cth\u003eNo. of Positions\u003c\/th\u003e\n \u003cth\u003eLength Inches\u003c\/th\u003e\n \u003cth\u003eLength Metric\u003c\/th\u003e\n \u003cth\u003eNo.\/Tube\u003c\/th\u003e\n \u003cth\u003eRaised Slides\u003c\/th\u003e\n \u003cth\u003eRecessed Slides\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e2PST\u003c\/td\u003e\n \u003ctd\u003e1, 2, 3\u003c\/td\u003e\n \u003ctd\u003e0.280\", 0.480\", 0.680\"\u003c\/td\u003e\n \u003ctd\u003e7.1mm, 12.2mm, 17.3mm\u003c\/td\u003e\n \u003ctd\u003e35, 21, 15\u003c\/td\u003e\n \u003ctd\u003e78F01T, 78F02T, 78F03T\u003c\/td\u003e\n \u003ctd\u003e78RB01T, 78RB02T, 78RB03T\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: For switches with 5, 6, 7, 8, or 10PST circuitry, contact Grayhill directly.\u003c\/p\u003e\n\u003cp\u003eFor more details, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-gh\/gh-78f03st.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Disclaimers: Ensure compatibility with your application environment. Verify specifications before deployment.\u003c\/p\u003e"}
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