TT electronics 898, 899 Technical data
4
4-161
Models 898, 899
ELECTRICAL
Standard Resistance Range, Ohms * 10 to 10Meg
Standard Resistance Tolerance, at 25°C ±2% (<33 Ohms = ±2 Ohms)
Optional: ±1% (F Tol.)
Operating Temperature Range -55°C to +125°C
Temperature Coefficient of Resistance ±100ppm/°C (<100 Ohms = ±250ppm/°C)
Temperature Coefficient of Resistance Tracking ±50ppm/°C
Maximum Operating Voltage 100Vdc or √PR
Insulation Resistance ≥10,000 Megohms
ENVIRONMENTAL (PER MIL-R-83401)
Thermal Shock plus Power Conditioning ∆R 0.70%
Short Time Overload ∆R 0.50%
Terminal Strength ∆R 0.25%
Moisture Resistance ∆R 0.50%
Mechanical Shock ∆R 0.25%
Vibration ∆R 0.25%
Low Temperature Storage ∆R 0.25%
High Temperature Exposure ∆R 0.50%
Load Life, 1,000 Hours ∆R 1.00%
Resistance to Solder Heat (Per MIL-STD-202, Method 210, Cond.B) ∆R 0.25%
Dielectric Withstanding Voltage 200V rms for 1 minute
Temperature Exposure, Maximum 215°C for 3 minutes
Marking Permanency MIL-STD-202, Method 215
Lead Solderability MIL-STD-202, Method 208
Flammability UL-94V-O Rated
Storage Temperature Range -55°C to +125°C
* Plus “0 Ohm” jumper
MODELS 898, 899
Dual-In-Line
Thick Film
Resistor Networks
Specifications subject to change without notice.
——Resistor (Per Circuit)——
Model Package -1 -3 -5
898 2.0 .125 .250 .125
899 1.8 .125 .250 .125
POWER DISSIPATION, WATTS AT 70°C
4-162
Models 898, 899
Lead Material Copper Alloy, 60/40 Tin-Lead (Plating)
Substrate Material Alumina
Resistor Material Cermet
APPLICABLE DOCUMENTS
MIL-R-83401 — Resistor Networks, Fixed, Film, General Specifications
MIL-STD-105 — Sampling Procedures and Tables for Inspection by Attributes
MIL-STD-202 — Test Methods for Electronic and Electrical Component Parts
22 390 5.6K 100K
27 470 6.8K 120K
33 510 8.2K 150K
39 560 10K 180K
47 680 12K 200K
51 820 15K 220K
56 1K 18K 270K
68 1.2K 20K 330K
82 1.5K 22K 390K
100 1.8K 27K 470K
120 2K 33K 510K
150 2.2K 39K 560K
180 2.7K 47K 680K
200 3.3K 51K 820K
220 3.9K 56K 1Meg
270 4.7K 68K
330 5.1K 82K
R1/R2 R1/R2 R1/R2 R1/R2
180/390 220/330 330/470 3K/6.2K
220/270 330/390 330/680
-5 Circuit (Dual Terminators)
-3 Circuit (Isolated Resistors) & -1 Circuits (Bussed Resistors)
MECHANICAL
STANDARD RESISTANCE VALUES, OHMS
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