Thick Film Resistor Networks R Series (Single-in-Line, Low Profile ) Feature Wide resistance range: 2291 to 1M (1 O - 3.3 M available) Miniature package with maximum sealed heights 0.2"(5.08mm) Highly stable thick film products Products protected by tough epoxy conformal coating Reduces total assembly cost Mixed value resistances available PART NUMBERING SYSTEM R A 09 103 G Meritek Series Circuit Configurations Element No. 2 – 20 Resistance Value The first two digits are significant figures Of resistance value and the third denotes the number of zeros following CODE 331 472 223 104 Value 330 4.7K 22K 100K Resistance Tolerance CODE Tolerance F ± 1% G ± 2% J ± 5% Construction and Dimension Rev. 7 R Series Thick Film Resistor Networks (Single-in-Line, Low Profile ) Item Requirement Test Methods Resistance to soldering heat ∆R ≤ ± (0.5% + 0.05Ω) With 350±5ºC , for 3 seconds Solderability Exterior Over 95% of termination must be covered with new solder. ∆R ≤ ± (0.5% + 0.05Ω) No mechanical damage. No mechanical defect. After immersing flus, dip in the 260ºC Max. solder bath for 3±0.5 sec. Tensile: 1Kg for 30 Sec. Bending: 500g for 2 times Visual Size Within specification Calipers Terminal Strength (Tensile Strength) Mechanical Characteristics Electrical Characteristics Item Requirement Test Methods Temperature Coefficient (ppm / °C) R<50Ω , ±250 PPM/ºC 50Ω≤R<2.2MΩ , ±100PPM/ºC R≥2.2MΩ , ±250PPM/ºC Short-Time Overload ∆R ≤ ± (0.5% + 0.05Ω) TCR (PPM/°C)= ோଵ X ்ଶି்ଵ T1= 25ºC T2= Test Temperature (-55°C ~ +125ºC) R1: Resistance at Temp. T1 R2: Resistance at Temp. T2 2.5X Rated Voltage for 5 Sec. (200V max.) Measure resistance after 30 minutes. ோଶ ିோଵ ଵ Rev. 7