NQS16 BITECH | Alldatasheet

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Nichrome Resistor Networks on Ceramic Substrates NQS Series General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. © TT electronics plc 11.12

  • .025” Pitch DIP
  • Precision Thin Film
  • Surface Mount
  • Resistor Networks
  • RoHS Compliant
  • 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 Operating Temperature Range -55°C to +125°C Resistance Voltco ≈0 Interlead Capacitance <2pF Operating Voltage, Maximum 100 Vdc or √PR Insulation Resistance ≥10,000 Megohms Noise, Maximum (MIL-STD-202, Method 308) -40dB Thermal Shock plus Power Conditioning ΔR 0.25% Low Temperature Operation ΔR 0.10% Short Time Overload ΔR 0.10% Terminal Strength ΔR 0.10% Moisture Resistance ΔR 0.20% Mechanical Shock ΔR 0.25% Vibration ΔR 0.25% Low/High Temperature Storage ΔR 0.10% Load Life, 1,000 Hours ΔR 0.10% Resistance to Solder Heat ΔR 0.10% Dielectric Withstanding Voltage 100V for 1 minute Temperature Exposure, Maximum 215°C for 3 minutes Marking Permanency per MIL-STD-202, Method 215 Lead Solderability per MIL-STD-202, Method 208 Flammability UL-94V-O Rated Storage Temperature Range -55°C to +125°C Electrical Environmental Specifications subject to change without notice.

Nichrome Resistor Networks on Ceramic Substrates NQS Series General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. © TT electronics plc 11.12 Mechanical Lead Plating 100% matte Tin (RoHS) Lead Material Copper Alloy Lead Configuration Gull Wing Lead Coplanarity 0.004” (0.102mm) Substrate Material Alumina Resistor Material Nichrome Body Material Molded Epoxy NQS16A NQS20A NQS20B NQS24A Ohms Code Ohms Code Ohms Code Ohms Code 1K 1001 3K 3001 10K 1002 3K 3001 10K 1002 267K 2673 - - - - Model Package Resistor NQS16 0.8 0.1 NQS20 1.0 0.1 NQS24 1.0 0.1 Standard Resistance Values, Ohms Power Dissipation, Watts At 70°C Accuracy Code A B D F G J Absolute Resistance Tolerances, at 25°C ±0.1% ±0.1% ±0.5% ±1.0% ±2% ±5% Ratio Matching (Matched to R1) ±0.05% ±0.1% ±0.1% ±0.5% NA NA Temperature Coefficient of Resistance ±25ppm/°C (Q) ±50ppm/°C (P) ±100ppm/°C Temperature Coefficient of Resistance, Tracking ±5ppm/°C Tolerances

Nichrome Resistor Networks on Ceramic Substrates NQS Series General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. © TT electronics plc 11.12 Schematics Recommended Solder Pad Layouts Note: Model NQS16: N = 16 Leads, Model NQS20: N = 20 Leads,Model NQS24: N = 24 Leads. N/21 N/21 NN NQS16A, NQS20A, NQS24A Isolated Resistors NQS16B, NQS20B, NQS24B Bussed Resistors 4-55 Model NQS Series SCHEMATICS N/21 N/21 NN NQS16A, NQS20A, NQS24A Isolated Resistors NQS16B, NQS20B, NQS24B Bussed Resistors RECOMMENDED SOLDER PAD LAYOUTS 0.080 2.03 0.300 7.62 NQS24 NQS20 NQS16 0.140 3.56 0.080 2.03 0.014 0.35 0.025 0.64 Note: Model NQS16: N = 16 Leads, Model NQS20: N = 20 Leads,Model NQS24: N = 24 Leads.

Nichrome Resistor Networks on Ceramic Substrates NQS Series General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. © TT electronics plc 11.12 Outline Dimensions (Inch/mm) Model NQS16 NQS20 NQS24 Dim. A (Max.) 0.068 0.068 0.068 1.727 1.727 1.727 Dim. A1 (Max.) 0.008 0.008 0.008 0.203 0.203 0.203 Dim. B (Max.) 0.012 0.012 0.012 0.305 0.305 0.305 Dim. C (Max.) 0.0098 0.0098 0.0098 0.249 0.249 0.249 Dim. D (Max.) 0.197 0.345 0.345 5.004 8.763 8.763 Dim. E (Max.) 0.157 0.157 0.157 3.988 3.988 3.988 Dim. e (Max.) 0.025 0.025 0.025 0.635 0.635 0.635 Dim. H (Max.) 0.244 0.244 0.244 6.198 6.198 6.198 Dim. h (Max.) 0.016 0.016 0.016 0.406 0.406 0.406 Dim. L (Max.) 0.035 0.035 0.035 0.889 0.889 0.889 Dim. S (Max.) 0.010 0.06 0.035 0.254 1.524 0.889 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 Units D EH N/2 N Pin #1 Indicator S A B e Seating Plane L C h x 45˚

Nichrome Resistor Networks on Ceramic Substrates NQS Series General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. © TT electronics plc 11.12

Ordering Information

No. of Leads: 16 = 16 Leads 20 = 20 Leads 24 = 24 Leads Circuit Type: A = Isolated B = Bussed Resistance Code Packaging Option: 7 = 7” Embossed Tape, 1K/Reel 13 = 13” Embossed Tape, 2.5K/Reel (No code used for Magazines.) Lead Finish: LF = Lead Free (RoHS) TCR Code: P = ±50ppm/°C Q = ±25ppm/°C (No code used for ±100ppm/°C.) Accuracy Code: Resistance Tol./Ratio A = 0.1%/0.05% 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%