Product Description for OY121K Ceramic Composition Resistor
The OY121K series from OHMITE MANUFACTURING offers high-performance ceramic composition resistors designed for applications involving surges, high peak power, and high energy. Manufactured in Japan, these resistors are ideal for high voltage power supplies, R-C snubber circuits, and inrush limiting circuits, providing a reliable replacement for traditional carbon composition resistors.
Key Features
Replaces 1W and 2W carbon composition resistors
Suitable for high energy density demands
Capable of handling high peak power
10% tolerance standard
Axial, Pb-free solder-coated terminals
Silicone ceramic coating for durability
RoHS non-compliant
Technical Specifications
Series
Watts max.*
Resistance range
Joules max.
Max. working volts
OX
1
3.3Ω - 100KΩ
50J
300V
OY
2
3.3Ω - 1MΩ
80J
400V
Electrical and Mechanical Characteristics
Operating Temperature Range: -40°C to +220°C
Resistance Tolerance: ±10%
Max Overload Voltage: 600V (OX), 800V (OY)
Max Pulse Voltage: 14KV (OX), 20KV (OY)
Dielectric Strength: 500V (OX), 700V (OY)
Resistance to Pulse: Up to 20,000 cycles with ±5% variation
Life Test: ±5% resistance change per MIL-STD-202, Method 108
Physical Dimensions
Dimension
Size (mm)
Size (in.)
Length L
0.65 / 16.5
0.025 / 0.65
Diameter D
0.217 / 5.5
0.0085 / 0.217
Packaging and Ordering
Part Number
Size
Ohm Value
Tolerance
OX 82 G K E - TR
Size: 1W
33G (3.3Ω)
10%
Standard packaging is tape & reel (TR). For bulk orders, specify RoHS compliance as needed.
{"id":10002277302589,"title":"OY121K","handle":"oy121k","description":"\u003ch3\u003eProduct Description for OY121K Ceramic Composition Resistor\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOY121K\u003c\/strong\u003e series from \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e offers high-performance ceramic composition resistors designed for applications involving surges, high peak power, and high energy. Manufactured in Japan, these resistors are ideal for high voltage power supplies, R-C snubber circuits, and inrush limiting circuits, providing a reliable replacement for traditional carbon composition resistors.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReplaces 1W and 2W carbon composition resistors\u003c\/li\u003e\n \u003cli\u003eSuitable for high energy density demands\u003c\/li\u003e\n \u003cli\u003eCapable of handling high peak power\u003c\/li\u003e\n \u003cli\u003e10% tolerance standard\u003c\/li\u003e\n \u003cli\u003eAxial, Pb-free solder-coated terminals\u003c\/li\u003e\n \u003cli\u003eSilicone ceramic coating for durability\u003c\/li\u003e\n \u003cli\u003eRoHS non-compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eWatts max.*\u003c\/th\u003e\n \u003cth\u003eResistance range\u003c\/th\u003e\n \u003cth\u003eJoules max.\u003c\/th\u003e\n \u003cth\u003eMax. working volts\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOX\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e3.3Ω - 100KΩ\u003c\/td\u003e\n \u003ctd\u003e50J\u003c\/td\u003e\n \u003ctd\u003e300V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOY\u003c\/td\u003e\n \u003ctd\u003e2\u003c\/td\u003e\n \u003ctd\u003e3.3Ω - 1MΩ\u003c\/td\u003e\n \u003ctd\u003e80J\u003c\/td\u003e\n \u003ctd\u003e400V\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating Temperature Range: -40°C to +220°C\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±10%\u003c\/li\u003e\n \u003cli\u003eMax Overload Voltage: 600V (OX), 800V (OY)\u003c\/li\u003e\n \u003cli\u003eMax Pulse Voltage: 14KV (OX), 20KV (OY)\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 500V (OX), 700V (OY)\u003c\/li\u003e\n \u003cli\u003eResistance to Pulse: Up to 20,000 cycles with ±5% variation\u003c\/li\u003e\n \u003cli\u003eLife Test: ±5% resistance change per MIL-STD-202, Method 108\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSize (mm)\u003c\/th\u003e\n \u003cth\u003eSize (in.)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength L\u003c\/td\u003e\n \u003ctd\u003e0.65 \/ 16.5\u003c\/td\u003e\n \u003ctd\u003e0.025 \/ 0.65\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDiameter D\u003c\/td\u003e\n \u003ctd\u003e0.217 \/ 5.5\u003c\/td\u003e\n \u003ctd\u003e0.0085 \/ 0.217\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Ordering\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eSize\u003c\/th\u003e\n \u003cth\u003eOhm Value\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOX 82 G K E - TR\u003c\/td\u003e\n \u003ctd\u003eSize: 1W\u003c\/td\u003e\n \u003ctd\u003e33G (3.3Ω)\u003c\/td\u003e\n \u003ctd\u003e10%\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eStandard packaging is tape \u0026amp; reel (TR). For bulk orders, specify RoHS compliance as needed.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: OY121K\u003c\/li\u003e\n \u003cli\u003eManufacturer: OHMITE MANUFACTURING\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Japan (JP)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-oi\/res_ox_oy.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed. Please search the internet for the part number OY121K for more detailed information.\u003c\/p\u003e","published_at":"2025-08-03T03:50:15+05:30","created_at":"2025-08-03T03:50:15+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["Ceramic","OHMIT","Resistors","WLDM"],"price":12100,"price_min":12100,"price_max":12100,"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":50546630590781,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"OY121K","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"OY121K","public_title":null,"options":["Default Title"],"price":12100,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"OY121K","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/12033169.jpg?v=1754173215"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/12033169.jpg?v=1754173215","options":["Title"],"media":[{"alt":null,"id":45641659711805,"position":1,"preview_image":{"aspect_ratio":1.0,"height":150,"width":150,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/12033169.jpg?v=1754173215"},"aspect_ratio":1.0,"height":150,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/12033169.jpg?v=1754173215","width":150}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for OY121K Ceramic Composition Resistor\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOY121K\u003c\/strong\u003e series from \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e offers high-performance ceramic composition resistors designed for applications involving surges, high peak power, and high energy. Manufactured in Japan, these resistors are ideal for high voltage power supplies, R-C snubber circuits, and inrush limiting circuits, providing a reliable replacement for traditional carbon composition resistors.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReplaces 1W and 2W carbon composition resistors\u003c\/li\u003e\n \u003cli\u003eSuitable for high energy density demands\u003c\/li\u003e\n \u003cli\u003eCapable of handling high peak power\u003c\/li\u003e\n \u003cli\u003e10% tolerance standard\u003c\/li\u003e\n \u003cli\u003eAxial, Pb-free solder-coated terminals\u003c\/li\u003e\n \u003cli\u003eSilicone ceramic coating for durability\u003c\/li\u003e\n \u003cli\u003eRoHS non-compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eWatts max.*\u003c\/th\u003e\n \u003cth\u003eResistance range\u003c\/th\u003e\n \u003cth\u003eJoules max.\u003c\/th\u003e\n \u003cth\u003eMax. working volts\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOX\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e3.3Ω - 100KΩ\u003c\/td\u003e\n \u003ctd\u003e50J\u003c\/td\u003e\n \u003ctd\u003e300V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOY\u003c\/td\u003e\n \u003ctd\u003e2\u003c\/td\u003e\n \u003ctd\u003e3.3Ω - 1MΩ\u003c\/td\u003e\n \u003ctd\u003e80J\u003c\/td\u003e\n \u003ctd\u003e400V\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating Temperature Range: -40°C to +220°C\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±10%\u003c\/li\u003e\n \u003cli\u003eMax Overload Voltage: 600V (OX), 800V (OY)\u003c\/li\u003e\n \u003cli\u003eMax Pulse Voltage: 14KV (OX), 20KV (OY)\u003c\/li\u003e\n \u003cli\u003eDielectric Strength: 500V (OX), 700V (OY)\u003c\/li\u003e\n \u003cli\u003eResistance to Pulse: Up to 20,000 cycles with ±5% variation\u003c\/li\u003e\n \u003cli\u003eLife Test: ±5% resistance change per MIL-STD-202, Method 108\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eSize (mm)\u003c\/th\u003e\n \u003cth\u003eSize (in.)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength L\u003c\/td\u003e\n \u003ctd\u003e0.65 \/ 16.5\u003c\/td\u003e\n \u003ctd\u003e0.025 \/ 0.65\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDiameter D\u003c\/td\u003e\n \u003ctd\u003e0.217 \/ 5.5\u003c\/td\u003e\n \u003ctd\u003e0.0085 \/ 0.217\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Ordering\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eSize\u003c\/th\u003e\n \u003cth\u003eOhm Value\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOX 82 G K E - TR\u003c\/td\u003e\n \u003ctd\u003eSize: 1W\u003c\/td\u003e\n \u003ctd\u003e33G (3.3Ω)\u003c\/td\u003e\n \u003ctd\u003e10%\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eStandard packaging is tape \u0026amp; reel (TR). For bulk orders, specify RoHS compliance as needed.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: OY121K\u003c\/li\u003e\n \u003cli\u003eManufacturer: OHMITE MANUFACTURING\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Japan (JP)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-oi\/res_ox_oy.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed. Please search the internet for the part number OY121K for more detailed information.\u003c\/p\u003e"}
