Product Overview
The RK73H series of Flat Chip Resistors (Precision Grade) are designed for high reliability and stability. Featuring a metal glaze thick film for excellent heat and weather resistance, and a triple-layer electrode structure, these resistors are suitable for various automatic mounting systems and soldering methods. They are RoHS compliant with lead-free terminations. Applications include automotive, medical, and aerospace equipment, where failure could lead to serious damage or loss of life. Please contact the company for use in such critical applications.
Product Attributes
- Brand: KOA
- Product Type: Flat Chip Resistors (Precision Grade)
- Material: Metal Glaze Thick Film
- Coating Color: Black (1F, 1H), Blue (1E, 1J, 2A, 2B, 2E, W2H, W3A, W3A2)
- Certifications: EU RoHS compliant (lead-free termination), AEC-Q200 qualified (Exemption 1F)
- Origin: Japan (implied by manufacturer and language)
Technical Specifications
| Type (Inch Size Code) | Dimensions (mm) L x W x c x d x t | Weight (1000pcs) (g) | Product Code | Power Rating | Tolerance | Nominal Resistance | Max. Working Voltage | Max. Overload Voltage | T.C.R. (10-6/K) | Operating Temperature Range | Packaging & Q'ty/Reel (pcs) |
| 1F (01005) | 0.40.02 x 0.20.02 x 0.100.03 x 0.110.03 x 0.130.02 | 0.04 | RK73H | 0.03W | D: 0.5% F: 1% | 100k2M4 1091k4 | 20V | 30V | 200 250 | -55+125 | TX: 40,000 |
| 1H (0201) | 0.60.03 x 0.30.03 x 0.10.05 x 0.150.05 x 0.230.03 | 0.14 | RK73H | 0.05W | D: 0.5% F: 1% | 101M 1010M4 19.14 | 25V | 50V | 200 400 | -55+155 | TX: 35,000 |
| 1E (0402) | 1.0+0.1-0.05 x 0.50.05 x 0.20.1 x 0.25+0.05-0.1 x 0.350.05 | 0.68 | RK73H | 0.1W | D: 0.5% F: 1% | 101M 101M 19.76 | 75V | 100V | 100 200 | -55+155 | TX: -- TBL: -- TA: -- TC: 10,000 TCM: 15,000 TPL: 20,000 TP: 10,000 |
| 1J (0603) | 1.60.2 x 0.80.1 x 0.30.1 x 0.30.1 x 0.450.1 | 2.14 | RK73H | 0.1W 0.125W | D: 0.5% F: 1% | 1.02k1M 1.02k1M 101k 101k 19.76 | -- | -- | 100 200 | -55+155 | TP: 10,000 5,000 |
| 2A (0805) | 2.00.2 x 1.250.1 x 0.40.2 x 0.3+0.2-0.1 x 0.50.1 | 4.54 | RK73H | 0.25W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M10M | 150V | 200V | 100 200 400 | -55+155 | TP: 10,000 5,000 4,000 |
| 2B (1206) | 3.20.2 x 1.60.2 x 0.50.3 x 0.4+0.2-0.1 x 0.60.1 | 9.14 | RK73H | 0.25W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M5.6M 5.62M10M | 200V | 400V | 100 200 400 | -55+155 | 5,000 4,000 |
| 2E (1210) | 2.60.2 x 15.5 -- -- -- | -- | RK73H | 0.5W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M5.6M 5.62M10M | -- | -- | 100 200 400 | -55+155 | 5,000 4,000 |
| W2H (2010) 1 | 5.00.2 x 2.50.2 x 0.650.15 -- -- | 24.3 | RK73H | 0.75W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M5.6M 5.62M10M | -- | -- | 100 200 400 | -55+155 | 4,000 |
| W3A (2512) 1 | 6.30.2 x 3.10.2 -- -- -- | 37.1 | RK73H | 1W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M5.6M 5.62M10M | 200V | 400V | 100 200 400 | -55+155 | 4,000 |
| W3A2 (2512) 1 | -- -- -- -- -- | -- | RK73H | 2W | D: 0.5% F: 1% | 101M 101M 19.76 1.02M5.6M 5.62M10M | 200V | 400V | 100 200 400 | -55+95 | 4,000 |
1 RK73H 2H, 3A and 3A2 are also still available (differentddimensions=0.4 +0.2 0.1 mm)
4 The nominal resistance value for RK73H1F (F1%) and RK73H1H1R9.11MR10M) is E24.
2410121632_KOA-RK73H3ATTE2400F_C346146.pdf
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