SMD-XXXX
Surface Mount DIP
Tapped Passive Delay Line
- Analog input and output
- Delays stable and precise
- 14-pin DIP package (.200 high)
- Available in delays from 5ns to 200ns
- Ten (10) equally-spaced taps
- Available in impedances of 50, 100 and 200 ohms
DESIGN NOTES
The "Surface Mount DIP Series" Lumped Constant Passive Delay Lines developed by Engineered Components Company have been designed to provide precise delays for analog delay line applications. These delay lines provide excellent delay accuracy, low DCR, low attenuation and low distortion.
These delay lines are offered in 40 models with delays from 5 to 200ns and with taps at 10% increments of total delay. Delay time is measured at the 50% point on the leading edge. Accuracies are maintained as shown under "Operating Characteristics." Temperature coefficient of delay is less than 75 ppm/°C over the operating temperature range of -55 to +125°C.
The "Surface Mount DIP Series" LC delay lines are intended for use in most analog applications; they are also compatible with the low signal levels of TTL and ECL. These delay lines find extensive use in providing the required delay timing functions necessary in radar, computer, communications, testing and instrument applications.
Construction of the "SMD Series" utilizes miniature inductors and monolithic ceramic capacitors to provide the utmost in miniaturization and reliability. The MTBF on these delay lines, when calculated per MIL-HDBK-217, for a 50°C ground fixed environment and with 5V DC applied, is in excess of 12 million hours.
The "SMD Series" delay lines
are packaged in a 14-pin DIP housing, molded of flameproof
Diallyl Phthalate per ASTM D 5948, Type SDG-F. These delay
lines are designed to meet the applicable portions of
MIL-D-23859, and they are capable of meeting the environmental
requirements of MIL-STD-202 for moisture resistance, vibration,
temperature cycling, humidity and life. Leads meet the
solderability requirements of MIL-STD-202, Method 208
and provide positive standoff from the printed circuit
board to permit flush cleaning of solder-flux residues
for improved reliability.
Marking consists of manufacturer's
logo (EC²), part number, terminal identification
and date code of manufacture. All marking is applied by
silk screen process using white epoxy paint in accordance
with MIL-STD-130, to meet the permanency of identification
required by MIL-STD-202, Method 215.
TEST CONDITIONS
1. All measurements are made at 25°C.
2. Test procedures in accordance with MIL-D-23859.
OPERATING CHARACTERISTICS
Impedance tolerance: ............... ± 10%
Attenuation, maximum: .............. 0.5 db
Distortion, maximum: ............... ±5%
Overshoot, maximum: ................ 10%
Working voltage, maximum: .......... 25V DC
Dielectric strength: ............... 100V DC @ 50uA
Insulation resistance, minimum: .... 10,000 megohms
@ 100V DC
|
PART NUMBER TABLE
*Suffix Part Number with G (for Gull Wing) or J (for J-Iead)
Examples: SMD-550G (Gull Wing) or SMD-1050J (J-Iead).
Part
Number |
Delay
Time (ns) |
Rise
Time |
ø Tap
Delay (ns) |
Impedance
(ohms) |
DCR
(ohms) |
SMD-505
SMD-510
SMD-515
SMD-520
SMD-525
SMD-530
SMD-535
SMD-540
SMD-545
SMD-550
SMD-560
SMD-570
SMD-580
SMD-590
SMD-5100
SMD-5150
SMD-5200
SMD-1005
SMD-1010
SMD-1015
SMD-1020
SMD-1025
SMD-1030
SMD-1040
SMD-1050
SMD-1060
SMD-1070
SMD-1080
SMD-1090
SMD-10100
SMD-10150
SMD-2010
SMD-2020
SMD-2025
SMD-2030
SMD-2040
SMD-2050
SMD-2060
SMD-2080
SMD-20100 |
5 ±0.5
10 ±0.7
15 ±1.0
20 ±1.2
25 ±1.5
30 ±1.5
35 ±2.0
40 ±2.0
45 ±2.5
50 ±2.5
60 ±3.0
70 ±3.5
80 ±4.0
90 ±4.5
100 ±5.0
150 ±6.5
200 ±10.0
5 ±0.5
10 ±0.7
15 ±1.0
20 ±1.2
25 ±1.5
30 ±1.5
40 ±2.0
50 ±2.5
60 ±3.0
70 ±3.5
80 ±4.0
90 ±4.5
100 ±5.0
150 ±6.5
10 ±0.7
20 ±1.2
25 ±1.5
30 ±1.5
40 ±2.0
50 ±2.5
60 ±3.0
80 ±4.0
100 ±5.0 |
2.0
3.5
4.5
5.5
6.5
8.0
9.0
11.0
12.0
13.0
15.0
18.5
21.0
22.0
22.0
32.0
40.0
2.0
3.5
5.0
5.0
7.0
8.0
11.0
12.5
12.5
18.5
20.0
22.0
24.0
32.0
3.5
6.0
7.0
8.0
10.0
12.0
14.0
19.0
24.0 |
0.5 ±0.2
1.0 ±0.5
1.5 ±0.5
2.0 ±0.5
2.5 ±0.6
3.0 ±0.6
3.5 ±0.8
4.0 ±0.8
4.5 ±1.0
5.0 ±1.0
6.0 ±1.2
7.0 ±1.4
8.0 ±1.6
9.0 ±1.8
10.0 ±2.0
15.0 ±2.5
20.0 ±3.0
0.5 ±0.2
1.0 ±0.5
1.5 ±0.5
2.0 ±0.5
2.5 ±0.6
3.0 ±0.6
4.0 ±0.8
5.0 ±1.0
6.0 ±1.2
7.0 ±1.4
8.0 ±1.6
9.0 ±1.8
10.0 ±2.0
15.0 ±2.5
1.0 ±0.5
2.0 ±0.6
2.5 ±0.6
3.0 ±0.6
4.0 ±0.8
5.0 ±1.0
6.0 ±1.2
8.0 ±1.6
10.0 ±2.0 |
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100
100
100
100
100
100
200
200
200
200
200
200
200
200
200 |
1.5
1.5
1.5
1.5
1.5
1.5
2.0
2.0
2.0
2.5
2.5
2.5
3.0
4.5
5.0
5.0
6.0
1.5
1.5
1.5
1.5
2.0
2.0
2.5
2.5
2.5
2.5
5.5
5.5
5.5
6.5
2.0
2.0
2.0
2.0
2.5
2.5
4.0
5.0
5.0 |
ø Referenced from input of delay line.
Special delay lines can be
readily manufactured with longer or specific delays, impedances,
rise times and package configurations for specific applications.
