Resistors
Make Possible
Model 628 L
Model 628 L Series
R/2R Ladder
.220” Small Outline
Thick Film DIP
Surface Mount
Resistor Networks
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
Electrical
Standard Resistance Range, Ohms
Standard Resistance Tolerance, at 25°C
Operating Temperature Range
Temperature Coefficient of Resistance
Maximum Operating Voltage
Insulation Resistance
Ladder Network Accuracy
1K to 100K
±2%
-55°C to +125°C
±100ppm/°C
50Vdc or √PR
≥10,000 Megohms
8 Bits: ±1/2 LSB, -55°C to +125°C
Mechanical
Lead Material
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
Copper Alloy, 96.5 / 3.5 SnAg (Dipped)
Gull Wing
±0.002 in. (0.057mm)
Alumina
Cermet
Epoxy
Applicable Documents
MIL-R-914 — Resistor Networks, Fixed, Film, Surface Mount Established Reliability General Specification
MIL-STD-202 — Test Methods for Electronic and Electrical Component Parts
EIA-481 — Carrier Taping of Surface Mount Components for Automatic Handling
EIA-PDP-100 — SOGN-0002 Outline Dimensions
Specifications subject to change without notice.
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
Model 628 L
Make Possible
Model 628 L Series
Outline Dimensions (Inch/mm)
.445
11.30
.090
2.29
Max.
.028
0.71
Typ.
.310
7.87
Max.
.220 ± .005
5.59 ± 0.13
.008 ± .005
0.20 ± 0.13
.016
Typ.
0.41
.050
1.27 Typ.
.008
0.20 Typ.
Note: Maximum Allowable Mold Excursion = 0.006”
Schematics
Model 628 L
8 Bits, 16 Leads
16
16
Model 628 LN
8 Bits, 16 Leads
R
R
R
R
R
R
R
2R
R
R
R
R
R
R
R
2R
2R 2R 2R 2R 2R 2R 2R
2R
2R 2R 2R 2R 2R 2R 2R
2R
1
1
Note: Custom circuits are available. Consult factory.
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
Model 628 L
Make Possible
Model 628 L Series
Solder Pad Layout (Inch/mm)
.045 ± .005
1.14 ± 0.13
.050
Typ.
1.27
.220 ± .010
5.59 ± 0.25
.315
Min.
8.00
.030 ± .005
0.76 ± 0.13
Power Derating Curve
Power Dissipation, Watts At 70°C
Model
100
80
60
40
20
0
-0
70
125 150
DegreesC
628L
Package
0.64
Per Resistor
0.040
Percent of
Rated Power
Standard Resistance Values, Ohms
R/2R
1K/2K
10K/20K
R/2R
25K/50K
50K/100K
R/2R
100K/200K
Typical Part Marking
Manufacturer’s Trademark
Part
Number
:
628L104
Part
Marking:
8L104
Date Code
8L104
UK MADE
Part Marking
Lead #1 Indicator
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
Model 628 L
Make Possible
Model 628 L Series
Packaging
Standard:
Tape & Reel
Conforms to requirements of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Width = 24mm
Pocket =
Embossed Plastic, Antistatic
Pitch = 12mm
Diameter =
Capacity =
Magazines
Conforms to EIA and JEDEC standards.
All units oriented with lead #1 to the same side.
Capacity =
50 Units
13” (330mm) Maximum
2,000 Units
Tape
Reel
Option:
Magazine:
Ordering Information
628 L 104 TR4
Model
Circuit Type:
L = Ladder
Standard Tape & Reel Packaging:
(No code used for Magazines.)
R Resistance Code:
First 2 digits are significant.
Last digit denotes the number of trailing zeros.
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
京公网安备 11010802033920号
EEWORLD
