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Specifications
Power(Watts):
500mW
Resistance:
27Ω
Voltage Rating:
200V
Temperature Coefficient:
±200ppm/℃
Operating Temperature:
-55℃~+155℃
Type:
Thick Film Resistor
Tolerance:
±5%
Mfr. Part #:
RK73B2ETTD270J
Package:
1210
Key Attributes
Model Number:
RK73B2ETTD270J
Product Description
THICK FILM CHIP RESISTORS RK73B
The RK73B series are thick film chip resistors designed for a wide range of applications. They feature a robust construction with a protective film made of metal glaze thick film, providing excellent heat and weather resistance. These resistors are suitable for reflow and wave soldering processes and are RoHS compliant with lead-free terminals. They are ideal for automotive, medical, and aerospace equipment, as well as other applications where safety and reliability are critical.
Product Attributes
- Brand: RK73B
- Structure: Rectangular chip resistor
- Appearance Color: Black
- Material: Metal glaze thick film (protective film), Ceramic substrate
- Certifications: AEC-Q200 (excluding 1F)
- RoHS Compliance: EU RoHS compliant terminals (lead-free)
Technical Specifications
| Model (Size Code) | Dimensions (mm) L x W x t | Weight (g/1000pcs) | Rated Power | Operating Temp. Range | Resistance Range () | Max. Operating Voltage | Max. Overload Voltage | Packaging (pcs/reel) |
| 1F (0402/01005) | 0.4 x 0.2 x 0.13 | 0.04 | 0.03W | -55+125 | 19.1 (250), 1091k (250), 100k1M (200), 100k10M (250) | 20V | 30V | 40,000 (TCM) |
| 1H (0603/0201) | 0.6 x 0.3 x 0.23 | 0.14 | 0.05W | -55+155 | 19.1 (400), 1010M (200) | 25V | 50V | 15,000 (TBL/TCM) |
| 1E (1005/0402) | 1.0 x 0.5 x 0.35 | 0.68 | 0.1W | -55+155 | 110M (200) | 75V | 100V | 10,000 (TP) |
| 1J (1608/0603) | 1.6 x 0.8 x 0.45 | 2.14 | 0.1W | -55+155 | 1.1k10M (200), 11M22M (400) | - | - | 10,000 (TP) |
| 1J AT (1608/0603) | 1.6 x 0.8 x 0.45 | 2.14 | 0.125W | -55+155 | 11k (200) | - | - | 10,000 (TP) |
| 2A (2012/0805) | 2.0 x 1.25 x 0.5 | 4.54 | 0.25W | -55+155 | 11M (200), 1.1M10M (400) | 150V | 200V | 10,000 (TP) |
| 2B (3216/1206) | 3.2 x 1.6 x 0.6 | 9.14 | 0.25W | -55+155 | 15.6M (200), 6.2M22M (400) | 200V | 400V | 5,000 (TD) |
| 2E (3225/1210) | 3.2 x 2.5 x 0.6 | 15.5 | 0.5W | -55+155 | 105.6M (200), 6.2M10M (400) | - | - | 5,000 (TD) |
| W2H (5025/2010) | 5.0 x 2.5 x 0.65 | 24.3 | 0.75W | -55+155 | 105.6M (200), 6.2M22M (400) | - | - | 4,000 (TD) |
| W3A (6432/2512) | 6.3 x 3.1 x 0.65 | 37.1 | 1.0W | -55+155 | 105.6M (200), 6.2M22M (400) | 200V | 400V | 4,000 (TD) |
| W3A2 (6432/2512) | 6.3 x 3.1 x 0.65 | 37.1 | 2.0W | -55+155 | 105.6M (200), 6.2M22M (400) | 200V | 400V | 4,000 (TD) |
Performance
| Test Item | Guarantee Value | Typical Value | Test Method |
| Resistance | Within allowable tolerance | - | 25 |
| Temperature Coefficient of Resistance | Within specified value | - | +25/-55, +25/+125 |
| Overload (short time) | 1 (1F), 0.5 (others) | - | Apply 2.5 times rated voltage for 5 seconds (2 times for 1E, 2B, W3A2) |
| Soldering Heat Resistance | 0.5 (10R1M), 1 (R10, R1M) | - | 2605, 10s1s |
| Temperature Cycling | 0.5 (1F, performance "A"), 0.3 (others) | - | -55 (30min.)/+125 (30min.), 100 cycles (1F, performance "A"), 1000 cycles (others) |
| Damp Heat Load | 2 (1J, 2A, 2B), 3 (others) | 0.75 (1J, 2A, 2B), 1.5 (1F), 1 (others) | 402, 90%95%RH, 1000h (1.5h ON, 0.5h OFF cycle) |
| Durability | 2 (1J, 2A, 2B), 3 (others) | 0.75 (1J, 2A, 2B), 1 (others) | 702 or rated terminal temp. 2, 1000h (1.5h ON, 0.5h OFF cycle) |
| High Temperature Storage | 1 | 0.5 (1F), 0.3 (others) | +125, 1000h (1F); +155, 1000h (others) |
2403141437_KOA-RK73B2ETTD270J_C830175.pdf
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