4
4-53 Model NQS Series
MODEL NQS SERIES
.025” Pitch DIP
Precision Thin Film
Surface Mount
Resistor Networks
ENVIRONMENTAL
ELECTRICAL
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
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
Thermal Shock plus Power Conditioning ∆R 0.25%
Low Temperature Operation ∆R 0.10%
Short Time Overload ∆R 0.10%
Terminal Strength ∆R 0.10%
Moisture Resistance ∆R 0.20%
Mechanical Shock ∆R 0.25%
Vibration ∆R 0.25%
Low/High Temperature Storage ∆R 0.10%
Load Life, 1,000 Hours ∆R 0.10%
Resistance to Solder Heat ∆R 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
Specifications subject to change without notice.
4-54 Model NQS Series
MECHANICAL
Lead Plating 85/15 Tin Lead
Lead Material Copper Alloy
Lead Configuration Gull Wing
Lead Coplanarity 0.004” (0.102mm)
Substrate Material Alumina
Resistor Material Nichrome
Body Material Molded Epoxy
TOLERANCES
Accuracy Code B D F G J
Absolute Resistance Tolerances, at 25°C 0.1% 0.5% 1.0% 2% 5%
Ratio Matching (Matched to R1) 0.1% 0.1% 0.5% 1% 1%
Temperature Coefficient of Resistance ±25ppm/°C (Q)
±50ppm/°C (P)
±100ppm/°C
Temperature Coefficient of Resistance, Tracking ±5ppm/°C
STANDARD RESISTANCE VALUES, OHMS
NQS16A NQS20A NQS20B NQS24A
Ohms Code Ohms Code Ohms Code Ohms Code
1K 1001 3K 3001 10K 1002 3K 3001
10K 1002 267K 2673
34K 3402
47K 4702
100K 1003
POWER DISSIPATION, WATTS AT 70°C
Model Package Resistor
NQS16 0.8 0.1
NQS20 1.0 0.1
NQS24 1.0 0.1
4
4-55 Model NQS Series
SCHEMATICS
N/21 N/2
1
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.
4-56 Model NQS Series
`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 7” Reel 13” Reel
Capacity = 1,000 Units 2,500 unit
PACKAGING
D
E
H
N/2
N
Pin #1
Indicator
S
A
A1
B
e
Seating
Plane L
C
h x 45°
Dim. A (Max.)
Dim. A1 (Max.)
Dim. B (Max.)
Dim. C (Max.)
Dim. D (Max.)
Dim. E (Max.)
Dim. e (Max.)
Dim. H (Max.)
Dim. h (Max.)
Dim. L (Max.)
Dim. S (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
Model 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
8°
OUTLINE DIMENSIONS (Inch/mm)
4
4-57 Model NQS Series
ORDERING INFORMATION
NQS 24 A 1001 B P 13
Model Series
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.)
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%
