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Rectangular Chip Resistor KOA RK73B2ATTD105J Thick Film Chip Resistors Metal Glaze Ceramic Substrate

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Rectangular Chip Resistor KOA RK73B2ATTD105J Thick Film Chip Resistors Metal Glaze Ceramic Substrate

Power(Watts) : 250mW

Resistance : 1MΩ

Voltage Rating : 150V

Temperature Coefficient : ±200ppm/℃

Operating Temperature : -55℃~+155℃

Type : Thick Film Resistor

Tolerance : ±5%

Description : 250mW 1MΩ 150V ±200ppm/℃ Thick Film Resistor ±5% 0805 Chip Resistor - Surface Mount RoHS

Mfr. Part # : RK73B2ATTD105J

Model Number : RK73B2ATTD105J

Package : 0805

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THICK FILM CHIP RESISTORS RK73B

The RK73B series of thick film chip resistors offers a robust product lineup from 0402 to 6432 sizes. Featuring a metal glaze thick film for excellent heat and weather resistance, these resistors are suitable for reflow and wave soldering processes. They are RoHS compliant, with lead-free terminals. AEC-Q200 data is available for most models.

Product Attributes

  • Brand: KOA
  • Product Type: Thick Film Chip Resistors
  • Construction: Rectangular Chip Resistor
  • Appearance Color: Black
  • Material: Ceramic Substrate, Metal Glaze Thick Film
  • Certifications: EU RoHS compliant (excluding lead glass in electrodes, resistive film, and glass), AEC-Q200 (except 1F)
  • Reference Standards: IEC 60115-8, JIS C 5201-8, EIAJ RC-2134C

Technical Specifications

Model (Size Code) Dimensions (mm) L x W x t Weight (g/1000pcs) Rated Power (at 70) Operating Temp. Range Max. Operating Voltage Resistance Value Range () Tolerance Temp. Coefficient (x10-6/K) Packaging (pcs/reel)
1F (0402/01005) 0.4 x 0.2 x 0.13 0.04 0.03W -55+125 20V 19.1k (250), 100k10M (200) G:2%, J:5% 200, 250, 0+300 40,000 (TCM)
1H (0603/0201) 0.6 x 0.3 x 0.23 0.14 0.05W -55+155 25V 19.1 (400), 1010M (200) G:2%, J:5% 200, 400 15,000 (TCM)
1E (1005/0402) 1.0 x 0.5 x 0.35 0.68 0.1W -55+155 75V 110M (200) G:2%, J:5% 200 TPL: 20,000, TP: 10,000
1J (1608/0603) 1.6 x 0.8 x 0.45 2.14 0.1W -55+155 - 1.1k10M (200), 11M22M (400) G:2%, J:5% 200, 400 TP: 10,000 (TD: 4mm pitch)
1J AT (1608/0603) 1.6 x 0.8 x 0.45 2.14 0.125W -55+155 - 11k (200) G:2%, J:5% 200 TP: 10,000 (TD: 4mm pitch)
2A (2012/0805) 2.0 x 1.25 x 0.5 4.54 0.25W -55+155 150V 11M (200), 1.1M10M (400) G:2%, J:5% 200, 400 TP: 10,000 (TD: 4mm pitch)
2B (3216/1206) 3.2 x 1.6 x 0.6 9.14 0.25W -55+155 200V 15.6M (200), 6.2M22M (400) G:2%, J:5% 200, 400 5,000 (TD: 4mm pitch)
2E (3225/1210) 3.2 x 2.5 x 0.6 15.5 0.5W -55+155 - 105.6M (200), 6.2M10M (400) G:2%, J:5% 200, 400 5,000 (TD: 4mm pitch)
W2H (5025/2010) 5.0 x 2.5 x 0.65 24.3 0.75W -55+155 - 105.6M (200), 6.2M22M (400) G:2%, J:5% 200, 400 4,000 (TD: 4mm pitch)
W3A (6432/2512) 6.3 x 3.1 x 0.7 37.1 1.0W -55+155 200V 105.6M (200), 6.2M22M (400) G:2%, J:5% 200, 400 4,000 (TD: 4mm pitch)
W3A2 (6432/2512) 6.3 x 3.1 x 0.7 37.1 2.0W (at 95) -55+155 200V 105.6M (200), 6.2M22M (400) G:2%, J:5% 200, 400 4,000 (TD: 4mm pitch)

Performance Characteristics

Test Item Guaranteed Value Typical Value Test Method
Resistance Value Within specified tolerance - 25
Temperature Coefficient of Resistance Within specified value - +25/-55, +25/+125
Overload (Short time) 1 (1F), 0.5 (others) - 2.5x rated voltage for 5s (2x for 1E, 2B, W3A2)
Soldering Heat Resistance 0.5 (10R1M), 1 (R10, R1M) - 2605, 10s1s
Temperature Cycling 1 (1F, Performance "A"), 0.5 (others) 0.5 (1F, Performance "A"), 0.3 (others) 100 cycles (-55/30min, +125/30min) for Performance "A"; 1000 cycles for Standard
Damp Heat Load 2 (1J, 2A, 2B), 3 (others) 0.75 (1J, 2A, 2B), 1 (others) 1000h (402, 90%-95%RH, 1.5h ON/0.5h OFF cycle)
Endurance 2 (1J, 2A, 2B), 3 (others) 0.75 (1J, 2A, 2B), 1 (others) 1000h (702 or rated terminal temp.2, 1.5h ON/0.5h OFF cycle)
High Temperature Storage 1 0.5 (1F), 0.3 (others) 1000h (+125 for 1F, +155 for others)

Derating Curves

Power derating is required at ambient temperatures above 70 or when exceeding rated terminal temperatures. Refer to the provided curves for specific derating ratios based on terminal temperature and model series.

Temperature Rise Data

Temperature rise data is provided for reference under specific measurement conditions (Room temp: 25, Substrate: FR-4 t=1.6mm, Cu foil: 35m). Actual values may vary based on usage conditions and substrate.

Single Pulse Limiting Power Curve

Curves illustrate the single-pulse limiting electric power based on pulse duration for different model groups. The upper limit for applied voltage is the maximum overload voltage. Consult for continuous pulse tolerance.


2403141437_KOA-RK73B2ATTD105J_C316827.pdf


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