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| MODEL NQS SERIES .025" Pitch DIP Precision Thin Film Surface Mount Resistor Networks FEATURES/BENEFITS * Unique passivation coating eliminates moisture concerns and allows for use in applications traditionally restricted to tantalum nitride * Outperforms other thin film resistor materials providing excellent tolerances, ratio matching, temperature coefficient, and temperature tracking * Improved performance over silicon substrates in stray capacitance, frequency response and stability 4 ELECTRICAL Operating Temperature Range Resistance Voltco Interlead Capacitance Operating Voltage, Maximum Insulation Resistance Noise, Maximum (MIL-STD-202, Method 308) ENVIRONMENTAL -55C to +125C 0 <2pF 100 Vdc or PR 10,000 Megohms -40dB Thermal Shock plus Power Conditioning Low Temperature Operation Short Time Overload Terminal Strength Moisture Resistance Mechanical Shock Vibration Low/High Temperature Storage Load Life, 1,000 Hours Resistance to Solder Heat Dielectric Withstanding Voltage Temperature Exposure, Maximum Marking Permanency Lead Solderability Flammability Storage Temperature Range R 0.25% R 0.10% R 0.10% R 0.10% R 0.20% R 0.25% R 0.25% R 0.10% R 0.10% R 0.10% 100V for 1 minute 215C for 3 minutes per MIL-STD-202, Method 215 per MIL-STD-202, Method 208 UL-94V-O Rated -55C to +125C Specifications subject to change without notice. 4-53 Model NQS Series MECHANICAL Lead Plating Lead Material Lead Configuration Lead Coplanarity Substrate Material Resistor Material Body Material TOLERANCES 85/15 Tin Lead Copper Alloy Gull Wing 0.004" (0.102mm) Alumina Nichrome Molded Epoxy Accuracy Code Absolute Resistance Tolerances, at 25C Ratio Matching (Matched to R1) Temperature Coefficient of Resistance B 0.1% 0.1% D 0.5% 0.1% Temperature Coefficient of Resistance, Tracking STANDARD RESISTANCE VALUES, OHMS F 1.0% 0.5% 25ppm/C (Q) 50ppm/C (P) 100ppm/C 5ppm/C G 2% 1% J 5% 1% NQS16A Ohms Code 1K 1001 10K 1002 34K 3402 47K 4702 100K 1003 NQS20A Ohms Code 3K 3001 267K 2673 NQS20B Ohms Code 10K 1002 NQS24A Ohms Code 3K 3001 POWER DISSIPATION, WATTS AT 70C Model Package Resistor NQS16 NQS20 NQS24 0.8 1.0 1.0 0.1 0.1 0.1 4-54 Model NQS Series SCHEMATICS NQS16A, NQS20A, NQS24A Isolated Resistors N N NQS16B, NQS20B, NQS24B Bussed Resistors 1 N/2 1 N/2 Note: Model NQS16: N = 16 Leads, Model NQS20: N = 20 Leads,Model NQS24: N = 24 Leads. RECOMMENDED SOLDER PAD LAYOUTS 4 NQS24 NQS20 NQS16 0.300 7.62 0.080 2.03 0.080 2.03 0.140 3.56 0.014 0.35 0.025 0.64 4-55 Model NQS Series OUTLINE DIMENSIONS (Inch/mm) D N Model Dim. A (Max.) Dim. A1 (Max.) NQS16 0.068 1.727 0.008 0.203 0.012 0.305 0.0098 0.249 0.197 5.004 0.157 3.988 0.025 0.635 0.244 6.198 0.016 0.406 0.035 0.889 0.010 0.254 NQS20 0.068 1.727 0.008 0.203 0.012 0.305 0.0098 0.249 0.345 8.763 0.157 3.988 0.025 0.635 0.244 6.198 0.016 0.406 0.035 0.889 0.06 1.524 NQS24 0.068 1.727 0.008 0.203 0.012 0.305 0.0098 0.249 0.345 8.763 0.157 3.988 0.025 0.635 0.244 6.198 0.016 0.406 0.035 0.889 0.035 0.889 HE Pin #1 Indicator Dim. B (Max.) Dim. C (Max.) Dim. D (Max.) N/2 S h x 45 Dim. E (Max.) Dim. e (Max.) Dim. H (Max.) A1 Seating Plane e B C L 8 Dim. h (Max.) Dim. L (Max.) Dim. S (Max.) A PACKAGING Standard: Magazine All units oriented with lead #1 to the same side. Magazine: Capacity = 100 Units (16 Leads) 50 Units (20 and 24 Leads) Option: Embossed Tape & Reel (per EIA 481). Reel: Diameter Capacity 7" Reel 1,000 Units 13" Reel 2,500 unit = 4-56 Model NQS Series ORDERING INFORMATION NQS Model Series No. of Leads: 16 = 16 Leads 20 = 20 Leads 24 = 24 Leads Circuit Type: A = Isolated B = Bussed Resistance Code 24 A 1001 B P 13 Packaging Option: 7 = 7" Embossed Tape, 1K/Reel 13 = 13" Embossed Tape, 2.5K/Reel (No code used for Magazines.) TCR Code: P = 50ppm/C Q = 25ppm/C (No code used for 100ppm/C.) Accuracy Code: Resistance Tol./Ratio B = 0.1%/0.1% D = 0.5%/0.1% F = 1.0%/0.5% G = 2.0%/1.0% J = 5.0%/1.0% 4 4-57 Model NQS Series |
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