IRC WSMHP25-150RF Fixed Resistor Metal Glaze/Thick Film
Enhance your electronic designs with the high-quality IRC WSMHP25-150RF fixed resistor, part of the renowned WSMHP Series by IRC/TT Electronics. Designed for high power applications, this surface-mount resistor offers excellent thermal performance and reliability.
Product Features
Surface mount high power resistor in TO-263 package
Power rating: 25W with heatsink at 25°C flange temperature
Very low thermal resistance (3.3°C/W)
Non-inductive, suitable for high-density PCB installation
RoHS compliant and AEC-Q200 qualified
Resistance range: 0.5Ω to 100kΩ
Dielectric strength: 2000V DC for 60 seconds
Operating temperature: -55°C to 175°C
Insulation resistance: >10GΩ between terminals and tab
Package: Reel for efficient automated assembly
Electrical & Physical Specifications
Parameter
Value
Power Rating (with heatsink)
25W
Power Rating (without heatsink)
2.5W
Thermal Resistance
3.3°C/W
Limiting Element Voltage
500V
Resistance Range
0.5Ω – 100kΩ
Working Temperature Range
-55°C to 175°C
Tolerance
±1%, ±5%
Temperature Coefficient (TCR)
≤50 ppm/°C for >10Ω
Physical Dimensions
Dimension
Millimeters (mm)
A
10.1 ±0.3
B
10.1 ±0.3
C
4.6 ±0.2
D
5.0 ±1
Weight
1.5g (nominal)
Additional Information
Packaged on 330mm diameter reels, 100mm inner diameter, with 500 pieces per reel
RoHS compliant and suitable for high-reliability applications
Note: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or contact your supplier.
Product Part Number: WSMHP25-150RF
Manufacturer: IRC/TT Electronics
Country of Origin: TW
UOM: Reel
ECCN: EAR99
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{"id":10027856462141,"title":"WSMHP25-150RF","handle":"wsmhp25-150rf","description":"\u003ch3\u003eIRC WSMHP25-150RF Fixed Resistor Metal Glaze\/Thick Film\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality IRC WSMHP25-150RF fixed resistor, part of the renowned WSMHP Series by IRC\/TT Electronics. Designed for high power applications, this surface-mount resistor offers excellent thermal performance and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSurface mount high power resistor in TO-263 package\u003c\/li\u003e\n \u003cli\u003ePower rating: 25W with heatsink at 25°C flange temperature\u003c\/li\u003e\n \u003cli\u003eVery low thermal resistance (3.3°C\/W)\u003c\/li\u003e\n \u003cli\u003eNon-inductive, suitable for high-density PCB installation\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and AEC-Q200 qualified\u003c\/li\u003e\n \u003cli\u003eResistance range: 0.5Ω to 100kΩ\u003c\/li\u003e\n \u003cli\u003eDielectric strength: 2000V DC for 60 seconds\u003c\/li\u003e\n \u003cli\u003eOperating temperature: -55°C to 175°C\u003c\/li\u003e\n \u003cli\u003eInsulation resistance: \u0026gt;10GΩ between terminals and tab\u003c\/li\u003e\n \u003cli\u003ePackage: Reel for efficient automated assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Physical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003ePower Rating (with heatsink)\u003c\/td\u003e\n \u003ctd\u003e25W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating (without heatsink)\u003c\/td\u003e\n \u003ctd\u003e2.5W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThermal Resistance\u003c\/td\u003e\n \u003ctd\u003e3.3°C\/W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLimiting Element Voltage\u003c\/td\u003e\n \u003ctd\u003e500V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.5Ω – 100kΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to 175°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e±1%, ±5%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e≤50 ppm\/°C for \u0026gt;10Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eMillimeters (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e10.1 ±0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB\u003c\/td\u003e\n \u003ctd\u003e10.1 ±0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC\u003c\/td\u003e\n \u003ctd\u003e4.6 ±0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e5.0 ±1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e1.5g (nominal)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackaged on 330mm diameter reels, 100mm inner diameter, with 500 pieces per reel\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and suitable for high-reliability applications\u003c\/li\u003e\n \u003cli\u003eDatasheet available at \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-wsmhp25-150rf.pdf\" target=\"_blank\"\u003eIRC WSMHP Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or contact your supplier.\u003c\/p\u003e\n\n\u003cp\u003eProduct Part Number: WSMHP25-150RF\u003cbr\u003e\nManufacturer: IRC\/TT Electronics\u003cbr\u003e\nCountry of Origin: TW\u003cbr\u003e\nUOM: Reel\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T03:52:23+05:30","created_at":"2025-08-16T03:52:23+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","IMPORT_PT2","IRC-TTEL","Resistor","Smd","WLDM"],"price":26332,"price_min":26332,"price_max":26332,"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":50626191491389,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WSMHP25-150RF","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WSMHP25-150RF","public_title":null,"options":["Default Title"],"price":26332,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WSMHP25-150RF","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/WSMHP25-150RF_52233455_6174f8f7.jpg?v=1755296546"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WSMHP25-150RF_52233455_6174f8f7.jpg?v=1755296546","options":["Title"],"media":[{"alt":null,"id":45861335859517,"position":1,"preview_image":{"aspect_ratio":1.24,"height":200,"width":248,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WSMHP25-150RF_52233455_6174f8f7.jpg?v=1755296546"},"aspect_ratio":1.24,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WSMHP25-150RF_52233455_6174f8f7.jpg?v=1755296546","width":248}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC WSMHP25-150RF Fixed Resistor Metal Glaze\/Thick Film\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality IRC WSMHP25-150RF fixed resistor, part of the renowned WSMHP Series by IRC\/TT Electronics. Designed for high power applications, this surface-mount resistor offers excellent thermal performance and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSurface mount high power resistor in TO-263 package\u003c\/li\u003e\n \u003cli\u003ePower rating: 25W with heatsink at 25°C flange temperature\u003c\/li\u003e\n \u003cli\u003eVery low thermal resistance (3.3°C\/W)\u003c\/li\u003e\n \u003cli\u003eNon-inductive, suitable for high-density PCB installation\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and AEC-Q200 qualified\u003c\/li\u003e\n \u003cli\u003eResistance range: 0.5Ω to 100kΩ\u003c\/li\u003e\n \u003cli\u003eDielectric strength: 2000V DC for 60 seconds\u003c\/li\u003e\n \u003cli\u003eOperating temperature: -55°C to 175°C\u003c\/li\u003e\n \u003cli\u003eInsulation resistance: \u0026gt;10GΩ between terminals and tab\u003c\/li\u003e\n \u003cli\u003ePackage: Reel for efficient automated assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Physical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003ePower Rating (with heatsink)\u003c\/td\u003e\n \u003ctd\u003e25W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating (without heatsink)\u003c\/td\u003e\n \u003ctd\u003e2.5W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThermal Resistance\u003c\/td\u003e\n \u003ctd\u003e3.3°C\/W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLimiting Element Voltage\u003c\/td\u003e\n \u003ctd\u003e500V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.5Ω – 100kΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to 175°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e±1%, ±5%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e≤50 ppm\/°C for \u0026gt;10Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eMillimeters (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e10.1 ±0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB\u003c\/td\u003e\n \u003ctd\u003e10.1 ±0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC\u003c\/td\u003e\n \u003ctd\u003e4.6 ±0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e5.0 ±1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e1.5g (nominal)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackaged on 330mm diameter reels, 100mm inner diameter, with 500 pieces per reel\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and suitable for high-reliability applications\u003c\/li\u003e\n \u003cli\u003eDatasheet available at \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-wsmhp25-150rf.pdf\" target=\"_blank\"\u003eIRC WSMHP Series Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or contact your supplier.\u003c\/p\u003e\n\n\u003cp\u003eProduct Part Number: WSMHP25-150RF\u003cbr\u003e\nManufacturer: IRC\/TT Electronics\u003cbr\u003e\nCountry of Origin: TW\u003cbr\u003e\nUOM: Reel\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e"}