628L [TTELEC]
R/2R Ladder .220” Small Outline Thick Film DIP Surface Mount Resistor Networks; R / 2R梯形.220 “小外形厚膜DIP表面贴装电阻网络
| 型号： | 628L |
| 厂家： | 
TT Electronics |
| 描述： | R/2R Ladder .220” Small Outline Thick Film DIP Surface Mount Resistor Networks |
| 文件： | 总4页 (文件大小：56K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL 628 L
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
4
≥10,000 Megohms
8 Bits: 1ꢁ2 LSB, -55°C to +125°C
Ladder Network Accuracy
MECHANICAL
Lead Material
Copper Alloy, 60ꢁ40 Tin-Lead (Dipped)
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
Gull Wing
0ꢂ002 inꢂ (0ꢂ05ꢃmm)
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 noticeꢂ
4-131
Model 628 L
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
Typ.
0.41
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.
4-132
Model 628 L
SOLDER PAD LAYOUT
.045 ± .005
1.14 ± 0.13
.220 ± .010
5.59 ± 0.25
.315
8.00
Min.
.050
1.27
Typ.
.030 ± .005
0.76 ± 0.13
POWER DISSIPATION, WATTS AT 70°C
POWER DERATING CURVE
Model
Per Package
Per Resistor
100
80
628L
0.640
0.040
4
60
40
20
0
Percent of
Rated Power
STANDARD RESISTANCE VALUES, OHMS
R/2R
1K/2K
10K/20K
R/2R
25K/50K
50K/100K
R/2R
100K/200K
-0
70
125 150
Degrees C
TYPICAL PART MARKING
Manufacturer’s Trademark
Part
Number:
628L104
Date Code
8L104
Part Marking
Part
Marking:
8L104
UK MADE
Lead #1 Indicator
4-133
Model 628 L
PACKAGING
Standard: Tape & Reel
Conforms to requirements of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Tape:
Reel:
Width
Pocket
Pitch
Diameter
Capacity
=
=
=
=
=
24mm
Embossed Plastic, Antistatic
12mm
13” (330mm) Maximum
2,000 Units
Option:
Magazines
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 Series
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.
4-134
Model 628 L
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