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General Purpose Thick Film Chip Resistors KOA RK73B3ATTE203J with 2 Percent and 5 Percent Tolerances

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Product Description

Product Overview

The RK73B series are general-purpose thick film chip resistors with 2% and 5% tolerances. These resistors feature lead-free terminations that meet EU RoHS requirements and are AEC-Q200 tested. They are suitable for a wide range of applications requiring reliable performance.

Product Attributes

  • Brand: KOA Speer Electronics
  • Origin: USA
  • Certifications: EU RoHS compliant, AEC-Q200 tested

Technical Specifications

Type (Inch Size Code)L (mm)W (mm)d (mm)t (mm)Power RatingOperating Temperature RangeT.C.R. (x10-6/K)Nominal ResistanceToleranceMax. Working VoltageTermination Material
1F (01005)0.4 (0.02)0.2 (0.02)0.10 (0.03)0.11 (0.03)0.03W-55C to +125C25010 - 91k2%, 5%20VSn
1H (0201)0.6 (0.03)0.3 (0.03)0.25 (0.05)0.3 (0.1)0.05W-55C to +125C20010 - 10M2%, 5%25VSn
1E (0402)1.0 (+0.1 -0.05)0.3 (0.1)0.4 (0.2)0.4 (0.2)0.1W-55C to +125C20010 - 10M2%, 5%50VSn
1J (0603)1.6 (0.2)0.4 (0.2)0.15 (0.05)0.35 (0.05)0.1W-55C to +125C2001 - 10M2%, 5%75VSn
2A (0805)2.0 (0.2)0.45 (0.1)0.23 (0.03)0.5 (0.1)0.125W-55C to +125C2001 - 10M2%, 5%75VSn
2B (1206)2.6 (0.2)0.65 (0.15)0.35 (0.05)0.8 (0.1)0.25W-55C to +155C2001 - 10M2%, 5%100VSn
2E (1210)3.1 (0.2)0.65 (0.15)0.4 (0.1)0.5 (0.05)0.25W-55C to +155C2001 - 10M2%, 5%150VSn
2H/W2H (2010)3.2 (0.2)0.65 (0.15)0.45 (0.1)0.6 (0.1)0.75W-55C to +155C2001.1k - 1M2%, 5%200VSn
3A/W3A (2512)5.0 (0.2)0.65 (0.15)0.6 (0.1)1.25 (0.1)1.0W-55C to +155C2001 - 1k2%, 5%200VSn
W3A2 (2512)6.3 (0.2)0.65 (0.15)0.6 (0.1)1.6 (0.2)2.0W-55C to +155C2001 - 5.6M2%, 5%400VSn

Performance Characteristics

ParameterRequirementLimitTypicalTest Method
ResistanceWithin specified tolerance
T.C.R.25C +25C/-55C and +25C/+125CWithin specified T.C.R.
Overload (Short time)Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds)2%1%: 1F 0.5%: Another
Resistance to Soldering Heat260C 5C, 10 seconds 1 second1%: 1F~W3A2 (10R1M) 3%: 1F~W3A2 (R1M)0.5%: 1F~W3A2 (10R1M); 1%: 1F~W3A2 (R1M)
Rapid Change of Temperature-55C (30 minutes), +125C (30 minutes), 100 cycles1%: 1F 0.5%: Another0.5%: 1F 0.3%: Another
Moisture Resistance40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle2%: 1J, 2A, 2B 3%: Another0.75%: 1J, 2A, 2B 1.5%: 1F; 1%: Another
Endurance at 70C70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle2%: 1J, 2A, 2B 3%: Another0.75%: 1J, 2A, 2B 1%: Another
High Temperature Exposure+125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A21%0.5%: 1F 0.3%: Another

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Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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