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Precision Thick Film Chip Resistors KOA RK73H2BTTD4872F Offering 0.5 and 1 Percent Tolerance Options

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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 meeting EU RoHS requirements. They are AEC-Q200 Qualified and suitable for a wide range of applications requiring reliable and accurate resistance values.

Product Attributes

  • Brand: KOA Speer Electronics, Inc.
  • Certifications: EU RoHS Compliant, AEC-Q200 Qualified
  • Construction: Protective Coating, Inner Electrode, Resistive Film, Ceramic Substrate, Solder Plating Ni Plating

Technical Specifications

Type (Inch Size Code) Dimensions (mm) L x W x T Power Rating Resistance Range Tolerance T.C.R. (x10^-6/K) Max. Working Voltage Operating Temp. Range
1F (01005) 0.4 x 0.2 x 0.1 0.03W 10 - 91k* 0.5%, 1% 250 20V -55C to +125C
1H (0201) 0.6 x 0.3 x 0.15 0.05W 10 - 1M 0.5%, 1% 200 25V -55C to +125C
1E (0402) 1.0 x 0.5 x 0.2 0.1W 10 - 1M 0.5%, 1% 200 30V -55C to +155C
1J (0603) 1.6 x 0.8 x 0.3 0.125W 10 - 1M 0.5%, 1% 200 50V -55C to +155C
2A (0805) 2.0 x 1.25 x 0.4 0.25W 10 - 1M 0.5%, 1% 200 75V -55C to +155C
2B (1206) 3.2 x 1.6 x 0.5 0.25W 10 - 1M 0.5%, 1% 200 100V -55C to +155C
2E (1210) 3.2 x 2.5 x 0.5 0.5W 10 - 1M 0.5%, 1% 200 150V -55C to +155C
2H/W2H (2010) 5.0 x 2.5 x 0.5 0.75W 10 - 1M 0.5%, 1% 100, 200 200V -55C to +155C
3A/W3A (2512) 6.3 x 3.1 x 0.5 1.0W 10 - 1M 0.5%, 1% 100, 200 200V -55C to +155C
W3A2 (2512) 6.3 x 3.1 x 0.5 2.0W 10 - 1M 0.5%, 1% 100, 200 400V -55C to +155C

Performance Characteristics

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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

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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