Product Overview
The RK73H series offers high-precision flat chip resistors featuring a thick film construction. These resistors are designed for reliability and stability, with excellent heat and weather resistance due to their metal glaze thick film. They are suitable for various automatic mounting machines and soldering methods, including reflow and wave soldering. The products are RoHS compliant with lead-free terminations.
Product Attributes
- Brand: KOA
- Product Line: RK73H
- Type: Flat Chip Resistors (Precision Grade)
- Construction: Thick Film
- Certifications: AEC-Q200 qualified (Exemption 1F), EU-RoHS compliant (lead-free termination)
- Coating Color: Black (1F, 1H), Blue (1E, 1J, 2A, 2B, 2E, W2H, W3A, W3A2)
- Origin: Japan (implied by company name and product catalog style)
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 (1091k) 250 (100k2M) | 100k2M4 (D:0.5%) 1091k4 (F:1%) | 20V | 30V | 40,000 (TX) 20,000 (TA) | |
| 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 | 125 | 200 (101M) 400 (19.1, 1010M) | 101M (D:0.5%) 1010M4 (F:1%) | 25V | 50V | 35,000 (TX) 10,000 (TC) 15,000 (TCM) |
| 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) 200 (19.76, 1.02M10M) | 101M (D:0.5%) 101M (F:1%) 1.02M10M (F:1%) | 75V | 100V | 20,000 (TPL, TP) |
| 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 0.125W | 70 | 125 | 100 (1.02k1M) 200 (19.76, 1.02M10M) 100 (101k for 0.125W) 200 (19.76 for 0.125W) | 1.02k1M (D:0.5%) 1.02k1M (F:1%) 101k (D:0.5% for 0.125W) 101k (F:1% for 0.125W) | 10,000 (TP) | ||
| 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) 200 (19.76) 400 (1.02M10M) | 101M (D:0.5%) 101M (F:1%) 1.02M10M (F:1%) | 150V | 200V | 10,000 (TP) 5,000 (TD) 4,000 (TE) |
| 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) 200 (19.76) 400 (1.02M5.6M) | 101M (D:0.5%) 101M (F:1%) 1.02M5.6M (F:1%) | 200V | 400V | 5,000 (TD) 4,000 (TE) |
| 2E (1210) | 2.60.2 x 15.5 (Incorrect dimensions in source, assume standard 2E size) | (Missing) | 0.5W | 70 | 125 | 100 (101M) 200 (19.76) 400 (1.02M5.6M) | 101M (D:0.5%) 101M (F:1%) 1.02M5.6M (F:1%) | 5,000 (TD) 4,000 (TE) | ||
| W2H (2010) | 5.00.2 x 2.50.2 x 0.650.15 | 24.3 | 0.75W | 70 | 125 | 100 (101M) 200 (19.76) 400 (1.02M5.6M) | 101M (D:0.5%) 101M (F:1%) 1.02M5.6M (F:1%) | 4,000 (TD) | ||
| W3A (2512) | 6.30.2 x 3.10.2 | 37.1 | 1W | 70 | 125 | 100 (101M) 200 (19.76) 400 (1.02M5.6M) | 101M (D:0.5%) 101M (F:1%) 1.02M5.6M (F:1%) | 200V | 400V | 4,000 (TD) |
| W3A2 (2512) | (Same dimensions as W3A) | (Missing) | 2W | 95 | 100 (101M) 200 (19.76) 400 (1.02M5.6M) | 101M (D:0.5%) 101M (F:1%) 1.02M5.6M (F:1%) | 200V | 400V | 4,000 (TD) |
Note: Operating Temperature Range: -55+125 (1F), -55+155 (1H1E1J2A2B2EW2HW3AW3A2). Rated voltage is the lower of Power RatingResistance value or Max. working voltage. 4 resistance values are E24 for RK73H1F (F:1%) and RK73H1H (1R9.1, 1MR10M).
2410121632_KOA-RK73H1ETTP28R7F_C276160.pdf
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