ETC 898-3

MODELS 898, 899
Dual-In-Line
Thick Film
Resistor Networks
ELECTRICAL
Standard Resistance Range, Ohms *
Standard Resistance Tolerance, at 25°C
10 to 10Meg
±2% (<33 Ohms = ±2 Ohms)
Optional: ±1% (F Tol.)
-55°C to +125°C
±100ppm/°C (<100 Ohms = ±250ppm/°C)
±50ppm/°C
100Vdc or √PR
≥10,000 Megohms
Operating Temperature Range
Temperature Coefficient of Resistance
Temperature Coefficient of Resistance Tracking
Maximum Operating Voltage
Insulation Resistance
ENVIRONMENTAL (PER MIL-R-83401)
Thermal Shock plus Power Conditioning
Short Time Overload
Terminal Strength
Moisture Resistance
Mechanical Shock
Vibration
Low Temperature Storage
High Temperature Exposure
Load Life, 1,000 Hours
Resistance to Solder Heat (Per MIL-STD-202, Method 210, Cond.B)
Dielectric Withstanding Voltage
Temperature Exposure, Maximum
Marking Permanency
Lead Solderability
Flammability
Storage Temperature Range
∆R 0.70%
∆R 0.50%
∆R 0.25%
∆R 0.50%
∆R 0.25%
∆R 0.25%
∆R 0.25%
∆R 0.50%
∆R 1.00%
∆R 0.25%
200V rms for 1 minute
215°C for 3 minutes
MIL-STD-202, Method 215
MIL-STD-202, Method 208
UL-94V-O Rated
-55°C to +125°C
* Plus “0 Ohm” jumper
Specifications subject to change without notice.
4-161
Models 898, 899
4
MECHANICAL
Lead Material
Substrate Material
Resistor Material
Copper Alloy, 60/40 Tin-Lead (Plating)
Alumina
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
STANDARD RESISTANCE VALUES, OHMS
POWER DISSIPATION, WATTS AT 70°C
-3 Circuit (Isolated Resistors) & -1 Circuits (Bussed Resistors)
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
Model
898
899
——Resistor (Per Circuit)——
Package -1
-3
-5
2.0
.125
.250
.125
1.8
.125
.250
.125
-5 Circuit (Dual Terminators)
R1/R2
R1/R2
R1/R2
R1/R2
180/390
220/330
330/470
3K/6.2K
220/270
330/390
330/680
4-162
Models 898, 899
OUTLINE DIMENSIONS (Inch/mm)
.880
Max.
22.4
.780
Max.
19.8
Model 898
Model 899
Notes:
Unless otherwise specified,
.005
tolerances are
±
0.13
.340 ± .020
Max.
8.64 ± 0.51
.250
Ref.
6.35
.125
Max.
3.18
.060
Ref.
1.52
.050
Ref.
1.27
.185
Max.
4.70
.020
Min.
0.51
.100 ± .010*
2.54 ± 0.25
.018 ± .003
0.46 ± 0.08
.600 ± .010
15.2 ± 0.25
.700 ± .010
17.8 ± 0.25
.080 ± .020
2.03 ± 0.51
.135 ± .030
3.43 ± 0.76
4
*Typical spacing
non-accumulating
lead thickness: .010 ± .002
0.25 ± 0.05
SCHEMATICS
-3 Circuit - Isolated Resistors
N
-1 Circuit - Bussed Resistors
N
-5 Circuit - Dual Terminator
N
R1
R2
N/2
1
N/2
1
-42 Circuit - 5.2V (VEE) Pull-Down
VCC VEE
16
c
R
R
R
R
R
R
R
R
R
R
R
16
R
N/2
1
-45 Circuit - TTL to ECL Translator
VCC
TTL Inputs
R1
R2
R3
180Ω
270Ω
820Ω
1
1
VCC
VEE
Custom Model: 898-42-R (R)
R=510Ω
VCC
Outputs To ECL
VEE
Custom Model: 898-45
R1=180Ω R2=270Ω R3=820Ω
Note: Model 899: N = 114 Leads, Model 898: N = 16 Leads.
Custom circuits are available. Consult Factory.
4-163
Models 898, 899
TYPICAL PART MARKING
898-3-R10K
Lead #1
Indicator
Date Code
Optional Locations
Resistance Value
Package Code – # Of Leads
899 = 14 Leads
898 = 16 Leads
Circuit Type: (–1 Bussed)
(–3 Isolated)
(–5 Dual Terminator)
PACKAGING
Standard: Magazines
All Units oriented with lead #1 to the same side.
Magazine:
Material
Capacity
=
=
Antistatic Plastic
25 Units
ORDERING INFORMATION
89 9 -5- R220 / R330 F
Model Series
Tolerance Code:
F = ±1%
(No code used for standard tolerances.)
Number of Leads:
9 = 14 Leads
8 = 16 Leads
R2 Resistance Value:
(Add for -5 circuit only)
Circuit Type:
3 = Isolated
1 = Bussed
5 = Dual Terminator
Resistance Value
4-164
Models 898, 899