LW
A
custom wirewound coil
applications and ratings
Type
LWA
Nominal
Inductance
(µH)
550
Inductance
Tolerance
J: ±5%
Measuring
Frequency
(kHz)
10
DC
Resistance
Maximum
(Ω)
6.7
Allowable
DC Current
Maximum
(mA)
7
Operating
Temperature
Range
-40°C to +85°C
environmental applications
Performance Characteristics
Parameter
Rapid Change of Temperature
Low Temperature Exposure
High Temperature Exposure
Moisture Exposure
Requirements Maximum
∆
L/L
Limit
Typical
∆
L/L: ±5%
No significant abnormality in appearance
∆
L/L: ±5%
No significant abnormality in appearance
∆
L/L: ±5%
No significant abnormality in appearance
∆
L/L: ±5%
No significant abnormality in appearance
Test Method
∆
L/L: ±0.74% -40°C (30min.)/ +85°C (30min.) 100 cycles
∆
L/L: ±0.32% -40°C ± 2°C, 100h
∆
L/L: ±0.42% 85°C ± 2°C, 100h
∆
L/L: ±0.51% 40°C ± 2°C, 90%~95%RH, 100h
For complete environmental specifications, please refer to www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/20/11
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
223
inductors
KOA [ KOA SPEER ELECTRONICS, INC. ]
