Thick Film Chip Resistors KOA RK73B2ETTD4R7J with Black Appearance and RoHS Compliance Certification
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Product Description
THICK FILM CHIP RESISTORS RK73B
The RK73B series are thick film chip resistors designed for a wide range of applications. Featuring a robust construction with a metal glaze thick film protective coating, these resistors offer excellent heat and weather resistance. They are compatible with reflow and wave soldering processes and are RoHS compliant, with lead-free terminals. The product line includes a comprehensive range of sizes from 0402 to 6432. AEC-Q200 data is available for most models.
Product Attributes
- Brand: KOA
- Product Type: Thick Film Chip Resistors
- Construction: Metal glaze thick film
- Appearance Color: Black
- Certifications: AEC-Q200 (excluding 1F), EU RoHS compliant
- Material: Ceramic substrate, metal glaze resistive film, internal electrode, nickel plating, solder plating
- Origin: Japan (implied by KOA brand and Japanese text)
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x d x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Resistance Value Range () | Tolerance | Max. Operating Voltage | Max. Overload Voltage | Packaging (pcs/reel) |
| 1F (0402/01005) | 0.4x0.2x0.11x0.13 | 0.04 | 0.03W | -55+125 | 19.1 (250), 1091k (250), 100k1M (200), 100k10M (250) | 2%, 5% | 20V | 30V | 40,000 (TCM), 20,000 (TBL) |
| 1H (0603/0201) | 0.6x0.3x0.15x0.23 | 0.14 | 0.05W | -55+155 | 19.1 (400), 1010M (200) | 2%, 5% | 25V | 50V | 15,000 (TCM) |
| 1E (1005/0402) | 1.0x0.5x0.25x0.35 | 0.68 | 0.1W | -55+155 | 110M (200) | 2%, 5% | 75V | 100V | TPL: 20,000, TP: 10,000 |
| 1J (1608/0603) | 1.6x0.8x0.3x0.45 | 2.14 | 0.1W / 0.125W | -55+155 | 11k (0.125W, 200), 1.1k10M (0.1W, 200), 11M22M (0.1W, 400) | 2%, 5% | - | - | TP: 10,000 |
| 2A (2012/0805) | 2.0x1.25x0.3x0.5 | 4.54 | 0.25W | -55+155 | 11M (200), 1.1M10M (400) | 2%, 5% | 150V | 200V | TP: 10,000, TD: 5,000 |
| 2B (3216/1206) | 3.2x1.6x0.4x0.6 | 9.14 | 0.25W | -55+155 | 15.6M (200), 6.2M10M (400), 6.2M22M (400) | 2%, 5% | 200V | 400V | TP: 10,000, TD: 5,000 |
| 2E (3225/1210) | 3.2x2.6x0.4x0.6 | 15.5 | 0.5W | -55+155 | 15.6M (200), 6.2M10M (400) | 2%, 5% | - | - | TP: 10,000, TD: 5,000 |
| W2H (5025/2010) | 5.0x2.5x0.65x- | 24.3 | 0.75W | -55+155 | 15.6M (200), 6.2M22M (400) | 2%, 5% | - | - | TD: 4,000 |
| W3A (6432/2512) | 6.3x3.1x-x- | 37.1 | 1.0W | -55+155 | 15.6M (200), 6.2M22M (400) | 2%, 5% | 200V | 400V | TD: 4,000 |
| W3A2 (6432/2512) | 6.3x3.1x-x- | - | 2.0W5 | -55+155 | 15.6M (200), 6.2M22M (400) | 2%, 5% | 200V | 400V | TD: 4,000 |
Performance Characteristics
| Test Item | Test Method | Guaranteed Value | Representative Value |
| Resistance Value | Within specified tolerance | - | (%) + 0.1 at 25 |
| Temperature Coefficient of Resistance | Within specified value | - | +25/-55, +25/+125 |
| Overload (Short time) | Apply 2.5 times rated voltage for 5 sec. (2 times for 1E, 2B, W3A2) | 1: 1F, 0.5: others | 0.5: 1F, 0.3: others |
| Resistance to Soldering Heat | 2605, 10s1s | 1: 1FW3A2 (10R1M), 3: others | 0.5: 1FW3A2 (10R1M), 1: others |
| Temperature Cycling | -55(30min.)/+125(30min.) 100 cycles | 1: 1F, Performance "A" (Heat Shock), 0.5: others | 0.5: 1F, Performance "A" (Heat Shock), 0.3: others |
| Damp Heat Load | 402, 90%95%RH, 1000h (1.5h ON, 0.5h OFF cycle) | 2: 1J, 2A, 2B, 3: others | 0.75: 1J, 2A, 2B, 1.5: 1F, 1: others |
| Endurance | 702 or Rated Terminal Temp. 2, 1000h (1.5h ON, 0.5h OFF cycle) | 2: 1J, 2A, 2B, 3: others | 0.75: 1J, 2A, 2B, 1: others |
| High Temperature Load | +125, 1000h: 1F, +155, 1000h: others | 1 | 0.5: 1F, 0.3: others |
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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