KOA RK73H Flat Chip Resistors (Precision Grade)
The KOA RK73H series offers high-reliability flat chip resistors designed for demanding applications. These resistors feature a metal glaze thick film for excellent heat and weather resistance, and a triple-layer electrode structure for superior stability. They are suitable for automated mounting and soldering processes, and are RoHS compliant with lead-free terminations. Applications include automotive, medical, and aerospace equipment where safety and reliability are paramount.
Product Attributes
- Brand: KOA
- Product Type: Flat Chip Resistors (Precision Grade)
- Coating Color: Black (1F, 1H), Blue (1E, 1J, 2A, 2B, 2E, W2H, W3A, W3A2)
- Material: Metal Glaze Thick Film
- Certifications: EU RoHS compliant (lead-free termination), AEC-Q200 qualified (Exemption 1F)
- Origin: Japan (implied by language and company)
Technical Specifications
| Type (Inch Size Code) | Dimensions (mm) L x W x c x d x t | Weight (g/1000pcs) | Power Rating | Rated Ambient Temp. | Rated Terminal Part Temp. | T.C.R. (10-6/K) | Resistance Range () | Max. Working Voltage | Max. Overload Voltage | 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 | 0.03W | 70 | 200 | 100k1M4 | 20V | 30V | 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 | 0.05W | 70 | 200 | 101M, 1010M4 | 25V | 50V | 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 | 0.1W | 70 | 125 | 100 | 101M | 75V | 100V | TX: 20,000, TBL: 20,000, TA: 20,000, 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 | 0.1W | 70 | 125 | 100 | 1.02k1M | TP: 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 | 0.25W | 70 | 125 | 100 | 101M | 150V | 200V | TP: 5,000, TD: 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 | 0.25W | 70 | 125 | 100 | 101M | 200V | 400V | 5,000, 4,000 |
| 2E (1210) | 2.60.2 x 1.50.2 x 0.60.15 x 0.40.1 x 0.60.1 | 15.5 | 0.5W | 70 | 125 | 100 | 101M | 5,000, 4,000 | ||
| W2H (2010) | 5.00.2 x 2.50.2 x 0.650.15 x 0.40.1 x 0.750.1 | 24.3 | 0.75W | 70 | 125 | 100 | 101M | 4,000 | ||
| W3A (2512) | 6.30.2 x 3.10.2 x 0.70.15 x 0.50.1 x 0.80.1 | 37.1 | 1W | 70 | 125 | 100 | 101M | 200V (500V5) | 400V (500V5) | 4,000 |
| W3A2 (2512) | 6.30.2 x 3.10.2 x 0.70.15 x 0.50.1 x 0.80.1 | 37.1 | 2W | 95 | 100 | 101M | 200V | 400V | 4,000 |
Note:
4 The nominal resistance value for RK73H1F (F: 1%) and RK73H1H (1R9.1, 1MR10M) is E24.
5 Please consult with us about the Max. working voltage and the Max. overload voltage with ( ).
Operating Temperature Range: -55+125 (1H), -55+155 (1H1E1J2A2B2EW2HW3AW3A2)
Rated voltage = Power RatingResistance value or Max. working voltage, whichever is lower.
For flat chip jumper resistor, please refer to RK73Z series.
2410121533_KOA-RK73H2BTTD2100F_C880183.pdf
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