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Metal Foil Current Sensing Resistor Walter Elec STE2512A2W0R090F for Precise Electronic Measurements

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Metal Foil Current Sensing Resistor Walter Elec STE2512A2W0R090F for Precise Electronic Measurements

Power(Watts) : 2W

Resistance : 90mΩ

Type : Current Sense Resistor

Tolerance : ±1%

Temperature Coefficient : ±50ppm/℃

Description : 90mΩ ±1% 2W

Mfr. Part # : STE2512A2W0R090F

Model Number : STE2512A2W0R090F

Package : 2512

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STE Series Current Sensing Resistors

The STE series Metal Foil Current Sensing Resistors are designed for precise current measurement applications. They offer high accuracy and reliability, making them suitable for various electronic circuits where current monitoring is critical.

Product Attributes

  • Brand: STE
  • Material: Metal Foil (MnCu alloy, Alloy, Special)
  • Substrate: Alumina Ceramic
  • Protective Coating: Flame-retardant epoxy (UL-94-V0, Green)
  • Marking Coating: Flame-retardant epoxy (UL-94-V0, Black)

Technical Specifications

SeriesPart Number ExampleResistance Value (m)Power Rating (Watt)Resistance Tolerance (%)TCR (ppm)Dimensions (W x L x T, mm)Terminal Electrode Material
STE0603STE0603MW50-series R0055~600.500.5%(D) / 1%(F)50 / 1000.900.20 x 1.700.20 x 0.650.20SnNiCu
STE0805STE0805MW75-series R0033~2000.750.5%(D) / 1%(F)50 / 1001.350.20 x 2.100.20 x 0.650.20SnNiCu
STE1206STE1206M1W0-series R0033~4001.00.5%(D) / 1%(F)50 / 1001.700.20 x 3.300.20 x 0.650.20SnNiCu
STE2010STE2010M1W5-series R0022~4001.50.5%(D) / 1%(F)50 / 1002.600.20 x 5.100.20 x 0.650.20SnNiCu
STE2512STE2512M2W0-series R0022~4002.00.5%(D) / 1%(F)50 / 1003.200.30 x 6.400.30 x 0.650.20SnNiCu
STE3921STE3921M3W0-series R0022~1003.00.5%(D) / 1%(F)50 / 1005.100.30 x 11.100.30 x 0.650.20SnNiCu
STE4527STE4527M4W0-series R0022~1004.00.5%(D) / 1%(F)50 / 1007.101.0 x 11.601.0 x 0.650.30SnNiCu

Reliability Test Standards

Test ParameterConditionsRequirementsIEC Standard
Short Time Over LoadP=2.5Pr; T=252C, t=5sec.(1.0%+0.5m)60115-1 4.13
High Temp. ExposureT=+1702C; t=1000h(1.0%+0.5m)60115-1 4.25
Low Temp. StorageT=-552C; t=1000h(1.0%+0.5m)60115-1 4.25
Moisture Load Life(60, 95%RH), Vtest=Vmax; T=602C; RH=95%; t=90min ON, 30min OFF, 1000h(2.0%+0.5m)60115-1 4.25
Thermal Shock[-55C 30min. R.T. 3min. +155C 30min. R.T. 3min], 100 Cycles(1.0%+0.5m)60115-1 4.19
Load Life at 70CVtest=Vmax; T=702C; t=90min ON, 30min OFF, 1000h(2%+0.5m)60115-1 4.25
SolderabilityDip into solder at T=2455C, t=30.5sec.The covered area >95%60115-1 4.17
Resistance to Solder HeatThrough Reflow, T=2755C, t=201sec.(1.0%+0.5m)60115-1 4.18
Mechanical Shocka=100G, t=11ms, 5 times shock(1.0%+0.5m)60115-1 4.21
Substrate BendingSpan=90mm; Bend=2mm; Test board=Glass-Epoxy; Thickness=1.6mm(1.0%+0.5m)60115-1 4.33

Environmental Characteristics

  • Operating Temperature: -55155
  • Storage Conditions: 2 years under airtight conditions (+1040, 75% RH); Max. 30 days without dew (+1060, 95% RH)

Recommended Solder Pad Dimensions (mm)

Part NumberPWDLoading (Watt)
STE0603MW50-series R0050.500.921.350.50w
STE0603MW50-series R006*S~R009*S0.600.921.300.50w
STE0603*W50-series R010~R600.600.921.300.50w
STE0805MW75-series R0030.501.441.550.75w
STE0805MW75-series R004*S~R007*S0.801.441.400.75w
STE0805*W75-series R008~R2000.801.441.400.75w
STE1206M1W0-series R0030.601.842.101.0w
STE1206M1W0-series R004*S~R008*S1.201.841.801.0w
STE1206*1W0-series R009~R4001.201.841.801.0w
STE2010M1W5-series R002~R0030.702.883.651.5w
STE2010M1W5-series R004*S~R009*S2.702.882.651.5w
STE2010*1W5-series R010~R4002.702.882.651.5w
STE2512M2W0-series R0020.603.574.352.0w
STE2512M2W0-series R0030.903.574.202.0w
STE2512M2W0-series R004*S~R009*S3.103.573.102.0w
STE2512*2W0-series R010~R4003.103.573.102.0w
STE3921M3W0-series R0021.105.756.453.0w
STE3921M3W0-series R0031.705.756.153.0w
STE3921M3W0-series R004*S~R008*S5.005.754.503.0w
STE3921*3W0-series R009~R1005.005.754.503.0w
STE4527M4W0-series R0021.208.056.654.0w
STE4527M4W0-series R003*S~R005*S5.208.054.654.0w
STE4527*4W0-series R006~R1005.208.054.654.0w

2410121318_Walter-Elec-STE2512A2W0R090F_C388456.pdf


Quality Metal Foil Current Sensing Resistor Walter Elec STE2512A2W0R090F for Precise Electronic Measurements for sale

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