Part Number
 Value
Range(uH)
 Size (mm)
 Current Rating(A) @ 4.7uH
WSPD4D16
 1.0 - 47
 4.5x4.5x1.8
 0.68
WSPD4D18
 1.0 - 120
 4.5x4.5x2.0
 0.84
WSPD4D28
 1.0 - 220
 4.5x4.5x2.8
 1.32
WSPD5D18
 1.0 - 560
 5.5x5.5x2.0
 1.9
WSPD5D28
 1.0- 560
 5.5x5.5x3.0
 2.2
WSPD6D28
 1.0 - 560
 6.5x6.5x3.0
 2.3
WSPD6D38
 1.0 - 560
 6.5x6.5x4.0
 2.4
WSPRH74
 1.0 - 560
 7.3x7.3x4.5
 3.5
WSPRH124
 1.0 - 560
 12x12x5.0
 5.0
WSPRH125
 1.0 - 1000
 12x12x6.0
 5.0
WSPRH127
 1.2 - 1000
 12x12x8.0
 6.8
Power Inductor
Transformer
Part Number
 Frequency
 Power Rating
(Watt)
 Turn Ratio
SPT6D30-1P
 3MHz - 500MHz
 4
 1:1
SPT6D30-2P
 3MHz - 500MHz
 4
 3:2
SPT6D30-3P
 3MHz - 500MHz
 4
 5:3
SPT6D30-4P
 3MHz - 500MHz
 4
 2:1
SPT6D30-5P
 3MHz - 500MHz
 4
 9:4
SPT6D30-6P
 3MHz - 500MHz
 4
 5:2
SPT6D30-9P
 3MHz - 500MHz
 4
 3:1
SPT6D30-12P
 3MHz - 500MHz
 4
 7:2
SPT6D30-16P
 3MHz - 500MHz
 4
 4:1
SPT7D40-1P
 3MHz - 500MHz
 10
 1:1
SPT7D40-2P
 3MHz - 500MHz
 10
 3:2
SPT7D40-3P
 3MHz - 500MHz
 10
 5:3
SPT7D40-4P
 3MHz - 500MHz
 10
 2:1
SPT7D40-5P
 3MHz - 500MHz
 10
 9:4
SPT7D40-6P
 3MHz - 500MHz
 10
 5:2
SPT7D40-7P
 3MHz - 500MHz
 10
 3:1
SPT7D40-12P
 3MHz - 500MHz
 10
 7:2
SPT7D40-16P
 3MHz - 500MHz
 10
 4:1
Ferrite Core
Part Number
 Material
 Description
BC-LS201
 MnZn
 Low frequency choking (1-300Mhz), round cable
chokes
BC-LS202
 MnZn
 Low frequency choking (1-300Mhz), round cable
chokes
BC-LS203
 MnZn
 Low frequency choking (1-300Mhz), round cable
chokes
BC-MS201
 NiZn
 Broad frequency choking and EMI control
(25-300Mhz), round cable chokes
BC-MS202
 NiZn
 Broad frequency choking and EMI control
(25-300Mhz), round cable chokes
BC-MS203
 NiZn
 Broad frequency choking and EMI control
(25-300Mhz), round cable chokes
BC-MS206
 NiZn
 Broad frequency choking and EMI control
(25-300Mhz), round cable chokes
BC-HS201
 NiZn
 High frequency choking and EMI control
(20-1000Mhz), round cable chokes
BC-HS202
 NiZn
 High frequency choking and EMI control
(20-1000Mhz), round cable chokes
BC-HS208
 NiZn
 High frequency choking and EMI control
(20-1000Mhz), round cable chokes
Coupled Inductor
Part Number
 Frequency
 Inductance
 Turn Ratio
JSPRH71-M:N
 10KHz - 2MHz
 2-470uH
 1:1
JSPRH72-M:N
 10KHz - 2MHz
 2-470uH
 1:2
  10KHz - 2MHz
 2-470uH
 1:4
Custom Built Ultra-low Frequency Transformers
Part Number
 Turn Ratio
 1dB
bandwidth
 Power Rating
 Primary
Inductance
TER14.5
1:1
5Hz ~
3500Khz
1
>700mH
VT-0606SD
 1:2.4
 20K ~ 16Mhz
 4
 >1.5mH
Antenna Selection
Guide
Magnetics
Selection Guide