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Thick Film Chip Resistors KOA RK73H2ETTD1370F with Lead Free Terminations and Tight Tolerance Specifications

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Product Description

RK73H Precision Thick Film Chip Resistors

The RK73H series offers high-precision thick film chip resistors with 0.5% and 1% tolerances. These resistors feature lead-free terminations compliant with EU RoHS requirements. They are AEC-Q200 qualified and suitable for a wide range of applications requiring reliable performance and tight tolerance.

Product Attributes

  • Brand: KOA Speer Electronics, Inc.
  • Certifications: EU RoHS, AEC-Q200 Qualified
  • Construction: Thick Film, Ceramic Substrate, Protective Coating, Inner Electrode, Resistive Film, Solder Plating (Ni Plating)
  • Origin: USA (Manufacturer address provided)

Technical Specifications

Type (Inch Size Code) L (mm) W (mm) t (mm) d (mm) c (mm) Power Rating (W) Max Working Voltage (V) Operating Temp. Range (C) T.C.R. (x10-6/K)
1F (01005) 0.4 (0.0160.0008) 0.2 (0.0080.0008) 0.1 (0.0040.001) 0.11 (0.0040.001) 0.13 (0.0050.0008) 0.03 20 -55 to +125 250
1H (0201) 0.6 (0.0240.001) 0.3 (0.0120.001) 0.05 (0.0020.001) 0.03 (0.0010.0003) 0.1 (0.0040.002) 0.05 25 -55 to +125 200
1E (0402) 1.0 (0.039+.004-.002) 0.5 (0.020.002) 0.05 (0.0020.0005) 0.05 (0.0020.0005) 0.15 (0.0060.002) 0.1 50 -55 to +155 200
1J (0603) 1.6 (0.0630.008) 0.8 (0.0310.004) 0.1 (0.0040.002) 0.1 (0.0040.002) 0.2 (0.0080.004) 0.125 50 -55 to +155 200
2A (0805) 2.0 (0.0790.008) 1.25 (0.0490.004) 0.15 (0.0060.002) 0.15 (0.0060.002) 0.3 (0.0120.004) 0.25 75 -55 to +155 200
2B (1206) 3.2 (0.1260.008) 1.6 (0.0630.008) 0.2 (0.0080.004) 0.2 (0.0080.004) 0.4 (0.0160.008) 0.25 100 -55 to +155 200
2E (1210) 2.6 (0.1020.008) 1.6 (0.0630.008) 0.2 (0.0080.004) 0.2 (0.0080.004) 0.4 (0.0160.008) 0.5 150 -55 to +155 200
2H/W2H (2010) 5.0 (0.1970.008) 2.5 (0.0980.008) 0.25 (0.010.004) 0.25 (0.010.004) 0.5 (0.020.012) 0.75 200 -55 to +155 100, 200, 400
3A/W3A (2512) 6.3 (0.2480.008) 3.1 (0.1220.008) 0.25 (0.010.004) 0.25 (0.010.004) 0.65 (0.0260.006) 1.0 200 -55 to +155 100, 200, 400
W3A2 (2512) 6.3 (0.2480.008) 3.1 (0.1220.008) 0.25 (0.010.004) 0.25 (0.010.004) 0.65 (0.0260.006) 2.0 400 -55 to +155 100, 200, 400

Performance Characteristics

Parameter Requirement Test Method
Resistance T.C.R. Within specified tolerance
Overload (Short time) 2% (1%: 1F, 0.5%: Others) Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds)
Resistance to Soldering Heat 1% (1F ~ W3A2: 10R1M); 3% (1H ~ W3A2: R<10, R>1M) for 1% tolerance. 0.5% (1F ~ W3A2: 10<R<1M); 1% (1H ~ W3A2: R<10, R>1M) for 0.5% tolerance. 260C 5C, 10 seconds 1 second
Rapid Change of Temperature 1% (1F); 0.5% (Others) -55C (30 minutes), +125C (30 minutes), 100 cycles
Moisture Resistance 2% (1J, 2A, 2B); 3% (Others) 40C 2C, 90%-95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
Endurance at 70C 2% (1J, 2A, 2B); 3% (Others) 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
High Temperature Exposure 1% (1F); 0.5% (Others) +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2

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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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