SDR
power choke coil inductor
applications and ratings (continued)
DC
Allowable
Nominal
Operating
Temperature
Range
Storage
Temperature
Range
Part
Designation
Inductance
Tolerance
Resistance
Maximum
(Ω)
DC Current
Maximum
(Amps)
Inductance
L (µH) @ 1KHz
SDR1006TTEB271K
SDR1006TTEB331K
SDR1006TTEB391K
SDR1006TTEB471K
SDR1006TTEB561K
SDR1006TTEB681K
SDR1006TTEB821K
270
330
390
470
560
680
820
0.97
1.15
1.30
1.48
1.90
2.25
2.55
0.57
0.52
0.48
0.42
0.33
0.28
0.24
K: 10%
-20°C to +80°C
-40°C to +105°C
environmental applications
L-Frequency Characteristics
1000
SDR1006-821K
100
SDR1006-101K
10
SDR1006-120K
1
0.01
0.1
1
10
100
Frequency (MHz)
Performance Characteristics
Parameter
Maximum ∆ L
Test Method
R: The top of load stock
L: Slot width
SDR0805: 1.57" (4.±mm3
SDR1006: .236" (6.±mm3
1R
Body Strength
No damage
Load 1 kg. for 10 seconds
To put the sample on paper phenotic resin laminate base and to vibrate
at the frequency of 10 - 55 - 10 Hz for each X, Y, Z direction for 2 hours
and to sweep it at a full vibration width of .059" (1.5mm3 for 1 minute
Resistance to Vibration
Change of inductance: 5%
No remarkable visual damage
Resistance to Soldering
Solderability
To immerse into solder bath @ 260°C 5°C for 10 seconds 1 second
To immerse in solder bath @ 235°C 5°C for 3 seconds 0.5 second
The electrode shall be covered
with new solder
Resistance to Cold
Temperature Cycling
Change of inductance: 10%
To leave in a bath @ -40°C 2°C for 1000 hours
To keep @ -25°C to +85°C for 30 minutes in 5 cycles and leave for
1 - 15 minutes in normal temperature at the time of transition between
low temperatures and high temperatures
Change of inductance: 10%
To leave in a bath @ 85°C 2°C for 2 hours
(Resistance to heat of ferrite core: 120°C)
Resistance to Heat
T.C.R.
Change of inductance: 10%
Change of inductance: 5%
Change of inductance: 10%
Change of inductance: 10%
Change of inductance: 10%
20°C shall be standard and change of inductance shall be measured
@ -25°C to +85°C
Resistance to Damp
(Steady State)
60°C 2°C, 90 - 95% RH, 1000 hours
40°C 2°C, 90 - 95% RH
Endurance
(Under Damp and Load)
Endurance
(Under High Temperature)
85°C 2°C, supply allowable current for 1000 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/23/06
234
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
KOA [ KOA SPEER ELECTRONICS, INC. ]
