627T [TTELEC]
CCITT V.35 Termination Surface Mount Resistor Networks; CCITT V.35端子表面贴装电阻网络
| 型号： | 627T |
| 厂家： | 
TT Electronics |
| 描述： | CCITT V.35 Termination Surface Mount Resistor Networks |
| 文件： | 总4页 (文件大小：61K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL 627 T
CCITT V.35 Termination
Surface Mount
Resistor Networks
ELECTRICAL
Standard Resistance Tolerance, at 25°C
Operating Temperature Range
Temperature Coefficient of Resistance
Temperature Coefficient of Resistance Tracking
Voltage Coefficient of Resistance
Maximum Operating Voltage
2%
-55°C to +125°C
250ppmꢁ°C
50ppmꢁ°C
100ppmꢁ°C
4
25Vdc
Insulation Resistance
≥10,000 Megohms
ENVIRONMENTAL
Thermal Shock plus Power Conditioning
Short Time Overload
∆R 0.70%
∆R 0.25%
Moisture Resistance
∆R 0.50%
Mechanical Shock
∆R 0.25%
Vibration Shock
∆R 0.25%
Low Temperature Operation
High Temperature Exposure
Load Life, 2,000 Hours (≤33 Ohms = 0.5 Ohmꢀ
Resistance to Solder Heat (Total immersion in solder at 280°C for 10 sec.ꢀ
Dielectric Withstanding Voltage
Temperature Exposure, Maximum
Marking Permanency
Lead Solderability
Flammability
Storage Temperature Range
Specifications subject to change without notice.
∆R 0.25%
∆R 0.50%
∆R 0.50%
∆R 0.25%
200V 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 +150°C
4-123
Model 627 T
MECHANICAL
Lead Material
Copper Alloy, 60/40 Tin-Lead (Dipped)
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
Gull Wing
0.002 in. (0.057ꢀꢀ)
Aluꢀina
Cerꢀet
Epoxy
OUTLINE DIMENSIONS (Inch/mm)
.095
2.41
Max.
.395
Max.
10.03
.008
Typ.
0.20
.028
Typ.
0.71
.008
0.20
.310
7.87
Max.
.220 ± .005
5.59 ± 0.13
.050
1.27
.015
Typ.
0.38
Typ.
.016
Typ.
0.41
Note: Maximum allowable mold excursion = 0.006"
SCHEMATIC
50Ω
50Ω
125Ω
125Ω
125Ω
125Ω
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω
50Ω
125Ω
125Ω
4-124
Model 627 T
TYPICAL APPLICATION
V.35 Balanced Interface
DCE
27
DTE
27
1µF
1µF
1µF
1µF
4
4
3
2
1
3
2
1
1µF
1µF
3
6
3
V
V
CC
CC
26
25
24
23
22
15
16
18
17
20
13
TX1 IN
TX2 IN
RX1 OUT
RX2 OUT
7
12
11
7
8
TX3 IN
RX3 OUT
TX2 IN
21
18
19
24
12
RX2 OUT
17
16
23
26
13
9
6
RX1 OUT
TX1 IN
15
5
25
5
9
(5V) S1
(0V) S2
S1 (0V)
S2 (5V)
10
10
4
14
OE
Linear Techology
Model LTC 1345
Linear Techology
Model LTC 1345
BI Model 627T provides
50Ω
50Ω
125Ω
6 of these terꢀination
networks in a single
package
POWER DISSIPATION, WATTS AT 70°C
POWER DERATING CURVE
100
80
Model
Package
Per Resistor
60
40
20
0
627 T
1.28
0.25
Percent of
Rated Power
-0
70
125 150
Degrees C
4-125
Model 627 T
TYPICAL PART MARKING
Manufacturer’s Tradeꢀark
Part
Number
Date Code
Part Marking
627T50/125
UK MADE
Part
Marking
7T500
Lead #1 Indicator
PACKAGING
Standard: Tape & Reel
Conforꢀs to requireꢀents of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Tape:
Width
Pocket
Pitch
Diaꢀeter
Capacity
=
=
=
=
=
24ꢀꢀ
Eꢀbossed Antistatic Plastic
12ꢀꢀ
13” (330ꢀꢀ) Maxiꢀuꢀ
2,000 Units
Reel:
Option:
Magazines
Conforꢀs to EIA and JEDEC standards.
All units oriented with lead #1 to the saꢀe side.
Magazine:
Capacity
=
50 Units
ORDERING INFORMATION
62
7
T
500 / 1250 TR4
Model Series
Standard Tape & Reel Packaging:
(No code used for Magazines.)
No. of Leads:
7 = 14 leads
Resistance Values
Circuit Type:
T = V.35 Terꢀination
4-126
Model 627 T
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