Enhance your electronic designs with the high-quality Pushbutton Switches from LITTELFUSE / C&K COMPONENTS. Designed for reliable performance in various applications, these switches feature a compact, subminiature size with a switching capacity of 1 AMP, making them ideal for telecommunications, networking equipment, computers, peripherals, instrumentation, and control systems.
Key Features & Benefits
Subminiature size capable of switching 1 AMP
Available with vertical and right-angle terminations
Options for PC & panel mount models
Snap-in front panel mounting available for easy installation
Epoxy terminal seal compatible with bottom wash cleaning methods
RoHS compliant models available for environmentally conscious designs
Electrical & Mechanical Specifications
Contact Rating
Q contact material: 1 AMP @ 120 V AC or 28 V DC B contact material: 0.4 VA max. @ 20 V AC/DC
Electrical Life
60,000 make-and-break cycles at full load (TP11, TP21); 30,000 cycles (TP12)
Contact Resistance
Below 20 mΩ (initial, 2-4 V DC, 100 mA)
Insulation Resistance
Minimum 10⁹ Ω
Dielectric Strength
Minimum 1000 Vrms @ sea level
Operating Temperature
–30°C to 85°C
Solderability
Per MIL-STD-202F method 208D or EIA RS-186E method 9
Materials & Construction
Case: Glass filled nylon 6/6, flame retardant, heat stabilized or diallyl phthalate (DAP, UL 94V-0)
Plunger: Thermoplastic polyester (UL 94V-0)
Cap & Frame: Nylon, black standard
Bushing: Brass, nickel plated
Housing: Stainless steel
Switch Support: Brass, matte-tin plated
End Contacts: Copper alloy with gold plate over nickel plate (B contact material); Coin silver with silver plating (Q contact material)
Center Contacts & Terminals: Copper alloy with gold or silver plating depending on contact material
.155" high plunger with threaded or unthreaded options, .220" high bushing, flat or round, snap-in models available
Terminations
Right angle (A), PC thru-hole (C), Solder lug (Z), Vertical mount (V3), Wire wrap (W)
Contact Material & RoHS Compliance
Options include Gold (B), Silver (Q), Gold over Silver (G), with RoHS compliance indicated. For detailed ratings and compatibility, refer to the datasheet.
Additional Details
Part Number: TP21SH9ABE
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: VN
UOM: EA
ECCN: EAR99
Package Type: BAG
Datasheet: Download Datasheet
Note: Specifications and materials listed are for standard options. For custom configurations or specific requirements, please consult the Customer Service Center.
Datasheet was not processed; please search the internet for the part number TP21SH9ABE for more details.
{"id":10027626889533,"title":"TP21SH9ABE","handle":"tp21sh9abe","description":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switches (Part Number: TP21SH9ABE)\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality \u003cstrong\u003ePushbutton Switches\u003c\/strong\u003e from LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in various applications, these switches feature a compact, subminiature size with a switching capacity of 1 AMP, making them ideal for telecommunications, networking equipment, computers, peripherals, instrumentation, and control systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSubminiature size capable of switching 1 AMP\u003c\/li\u003e\n \u003cli\u003eAvailable with vertical and right-angle terminations\u003c\/li\u003e\n \u003cli\u003eOptions for PC \u0026amp; panel mount models\u003c\/li\u003e\n \u003cli\u003eSnap-in front panel mounting available for easy installation\u003c\/li\u003e\n \u003cli\u003eEpoxy terminal seal compatible with bottom wash cleaning methods\u003c\/li\u003e\n \u003cli\u003eRoHS compliant models available for environmentally conscious designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Rating\u003c\/th\u003e\n \u003ctd\u003eQ contact material: 1 AMP @ 120 V AC or 28 V DC\u003cbr\u003e B contact material: 0.4 VA max. @ 20 V AC\/DC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e60,000 make-and-break cycles at full load (TP11, TP21); 30,000 cycles (TP12)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003eBelow 20 mΩ (initial, 2-4 V DC, 100 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003eMinimum 10⁹ Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003eMinimum 1000 Vrms @ sea level\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e–30°C to 85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolderability\u003c\/th\u003e\n \u003ctd\u003ePer MIL-STD-202F method 208D or EIA RS-186E method 9\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Construction\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCase: Glass filled nylon 6\/6, flame retardant, heat stabilized or diallyl phthalate (DAP, UL 94V-0)\u003c\/li\u003e\n \u003cli\u003ePlunger: Thermoplastic polyester (UL 94V-0)\u003c\/li\u003e\n \u003cli\u003eCap \u0026amp; Frame: Nylon, black standard\u003c\/li\u003e\n \u003cli\u003eBushing: Brass, nickel plated\u003c\/li\u003e\n \u003cli\u003eHousing: Stainless steel\u003c\/li\u003e\n \u003cli\u003eSwitch Support: Brass, matte-tin plated\u003c\/li\u003e\n \u003cli\u003eEnd Contacts: Copper alloy with gold plate over nickel plate (B contact material); Coin silver with silver plating (Q contact material)\u003c\/li\u003e\n \u003cli\u003eCenter Contacts \u0026amp; Terminals: Copper alloy with gold or silver plating depending on contact material\u003c\/li\u003e\n \u003cli\u003eTerminal Seal: Epoxy\u003c\/li\u003e\n \u003cli\u003eHardware: Brass nut \u0026amp; locking ring, steel lockwasher\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Models \u0026amp; Options\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Function\u003c\/th\u003e\n \u003ctd\u003eTP11: SPST Off-Mom.\u003cbr\u003eTP12: SPDT On-Mom.\u003cbr\u003eTP21: DPST Off-Mom.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eActuator\/Bushing Options\u003c\/th\u003e\n \u003ctd\u003e.155\" high plunger with threaded or unthreaded options, .220\" high bushing, flat or round, snap-in models available\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminations\u003c\/th\u003e\n \u003ctd\u003eRight angle (A), PC thru-hole (C), Solder lug (Z), Vertical mount (V3), Wire wrap (W)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Material \u0026amp; RoHS Compliance\u003c\/th\u003e\n \u003ctd\u003eOptions include Gold (B), Silver (Q), Gold over Silver (G), with RoHS compliance indicated. For detailed ratings and compatibility, refer to the datasheet.\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cp\u003ePart Number: TP21SH9ABE\u003cbr\u003e\nManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003cbr\u003e\nCountry of Origin: VN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BAG\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/tp_1apr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Specifications and materials listed are for standard options. For custom configurations or specific requirements, please consult the Customer Service Center.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDatasheet was not processed; please search the internet for the part number TP21SH9ABE for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:08:07+05:30","created_at":"2025-08-16T01:08:07+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","PCB","Pushbutton","Switch","WLDM"],"price":98538,"price_min":98538,"price_max":98538,"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":50625688568125,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TP21SH9ABE","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"TP21SH9ABE","public_title":null,"options":["Default Title"],"price":98538,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"TP21SH9ABE","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/TP21SH9ABE_11127324_6181539b.jpg?v=1755286691"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TP21SH9ABE_11127324_6181539b.jpg?v=1755286691","options":["Title"],"media":[{"alt":null,"id":45859124838717,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TP21SH9ABE_11127324_6181539b.jpg?v=1755286691"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TP21SH9ABE_11127324_6181539b.jpg?v=1755286691","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS Pushbutton Switches (Part Number: TP21SH9ABE)\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality \u003cstrong\u003ePushbutton Switches\u003c\/strong\u003e from LITTELFUSE \/ C\u0026amp;K COMPONENTS. Designed for reliable performance in various applications, these switches feature a compact, subminiature size with a switching capacity of 1 AMP, making them ideal for telecommunications, networking equipment, computers, peripherals, instrumentation, and control systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSubminiature size capable of switching 1 AMP\u003c\/li\u003e\n \u003cli\u003eAvailable with vertical and right-angle terminations\u003c\/li\u003e\n \u003cli\u003eOptions for PC \u0026amp; panel mount models\u003c\/li\u003e\n \u003cli\u003eSnap-in front panel mounting available for easy installation\u003c\/li\u003e\n \u003cli\u003eEpoxy terminal seal compatible with bottom wash cleaning methods\u003c\/li\u003e\n \u003cli\u003eRoHS compliant models available for environmentally conscious designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Rating\u003c\/th\u003e\n \u003ctd\u003eQ contact material: 1 AMP @ 120 V AC or 28 V DC\u003cbr\u003e B contact material: 0.4 VA max. @ 20 V AC\/DC\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Life\u003c\/th\u003e\n \u003ctd\u003e60,000 make-and-break cycles at full load (TP11, TP21); 30,000 cycles (TP12)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003eBelow 20 mΩ (initial, 2-4 V DC, 100 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003eMinimum 10⁹ Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDielectric Strength\u003c\/th\u003e\n \u003ctd\u003eMinimum 1000 Vrms @ sea level\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e–30°C to 85°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSolderability\u003c\/th\u003e\n \u003ctd\u003ePer MIL-STD-202F method 208D or EIA RS-186E method 9\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Construction\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCase: Glass filled nylon 6\/6, flame retardant, heat stabilized or diallyl phthalate (DAP, UL 94V-0)\u003c\/li\u003e\n \u003cli\u003ePlunger: Thermoplastic polyester (UL 94V-0)\u003c\/li\u003e\n \u003cli\u003eCap \u0026amp; Frame: Nylon, black standard\u003c\/li\u003e\n \u003cli\u003eBushing: Brass, nickel plated\u003c\/li\u003e\n \u003cli\u003eHousing: Stainless steel\u003c\/li\u003e\n \u003cli\u003eSwitch Support: Brass, matte-tin plated\u003c\/li\u003e\n \u003cli\u003eEnd Contacts: Copper alloy with gold plate over nickel plate (B contact material); Coin silver with silver plating (Q contact material)\u003c\/li\u003e\n \u003cli\u003eCenter Contacts \u0026amp; Terminals: Copper alloy with gold or silver plating depending on contact material\u003c\/li\u003e\n \u003cli\u003eTerminal Seal: Epoxy\u003c\/li\u003e\n \u003cli\u003eHardware: Brass nut \u0026amp; locking ring, steel lockwasher\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Models \u0026amp; Options\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitch Function\u003c\/th\u003e\n \u003ctd\u003eTP11: SPST Off-Mom.\u003cbr\u003eTP12: SPDT On-Mom.\u003cbr\u003eTP21: DPST Off-Mom.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eActuator\/Bushing Options\u003c\/th\u003e\n \u003ctd\u003e.155\" high plunger with threaded or unthreaded options, .220\" high bushing, flat or round, snap-in models available\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminations\u003c\/th\u003e\n \u003ctd\u003eRight angle (A), PC thru-hole (C), Solder lug (Z), Vertical mount (V3), Wire wrap (W)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Material \u0026amp; RoHS Compliance\u003c\/th\u003e\n \u003ctd\u003eOptions include Gold (B), Silver (Q), Gold over Silver (G), with RoHS compliance indicated. For detailed ratings and compatibility, refer to the datasheet.\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cp\u003ePart Number: TP21SH9ABE\u003cbr\u003e\nManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003cbr\u003e\nCountry of Origin: VN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BAG\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/tp_1apr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Specifications and materials listed are for standard options. For custom configurations or specific requirements, please consult the Customer Service Center.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDatasheet was not processed; please search the internet for the part number TP21SH9ABE for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
