628L_12 [TTELEC]
R/2R Ladder; R / 2R阶梯
| 型号： | 628L_12 |
| 厂家： | 
TT Electronics |
| 描述： | R/2R Ladder |
| 文件： | 总4页 (文件大小：135K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL 628 L
Model 628 L Series
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·
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R/2R Ladder
.220” Small Outline
Thick Film DIP
Surface Mount
Resistor Networks
Electrical
Standard Resistance Range, Ohms
Standard Resistance Tolerance, at 25°C
Operating Temperature Range
Temperature Coefficient of Resistance
Maximum Operating Voltage
Insulation Resistance
1K to 100K
2ꢀ
-55°C to +125°C
100ppmꢁ°C
50Vdc or √PR
≥10,000 Megohms
8 Bits: 1ꢁ2 LSB, -55°C to +125°C
Ladder Network Accuracy
Mechanical
Lead Material
Copper Alloy, 96.5 ꢁ 3.5 SnAg (Dipped)
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
Gull Wing
0.002 in. (0.05ꢂmm)
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
03.12
© TT electronics plc
MODEL 628 L
Model 628 L Series
Outline Dimensions (Inch/mm)
.090
2.29
Max.
.445
11.30
.028
0.71
Typ.
.310
7.87
Max.
.220 .005
5.59 0.13
.008 .005
0.20 0.13
.008
.050
1.27
Typ.
0.20
Typ.
.016
0.41
Typ.
Note: Maximum Allowable Mold Excursion = 0.006”
Schematics
Model 628 L
8 Bits, 16 Leads
16
Model 628 LN
8 Bits, 16 Leads
16
2R
2R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
03.12
© TT electronics plc
MODEL 628 L
Model 628 L Series
Solder Pad Layout (Inch/mm)
.045 .005
1.14 0.13
.220 .010
5.59 0.25
.315
8.00
Min.
.050
Typ.
1.27
.030 .005
0.76 0.13
Power Derating Curve
Power Dissipation, Watts At 70°C
Model
628L
Package
0.64
Per Resistor
0.040
100
80
60
40
20
0
Percent of
Rated Power
Standard Resistance Values, Ohms
Rꢁ2R
Rꢁ2R
Rꢁ2R
1Kꢁ2K
25Kꢁ50K
100Kꢁ200K
10Kꢁ20K
50Kꢁ100K
-0
70
125 150
Degrees C
Typical Part Marking
Manufacturer’s Trademark
Part
Number:
628L104
Date Code
Part Marking
8L104
Part
Marking:
8L104
UK MADE
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
03.12
© TT electronics plc
MODEL 628 L
Model 628 L Series
Packaging
Tape & Reel
Standard:
Conforms to requirements of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Width = 24mm
Tape
Reel
Pocket = Embossed Plastic, Antistatic
Pitch = 12mm
Diameter = 13” (330mm) Maximum
Capacity = 2,000 Units
Magazines
Option:
Conforms to EIA and JEDEC standards.
All units oriented with lead #1 to the same side.
Magazine:
Capacity = 50 Units
Ordering Information
628 L 104 TR4
Model
Standard Tape & Reel Packaging:
(No code used for Magazines.)
Circuit Type:
L = Ladder
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
03.12
© TT electronics plc
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