Features
n Current rating up to 5 A
n Inductance range: 0.60 to 6.0 μH
n Frequency range to 1200 MHz
n RoHS compliant*
Applications
n EMI suppression
SRF0504 Series - Line Filter
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual
device performance may vary over time.
Users should verify actual device performance in their specific applications.
Rated Voltage ..............................50 Vdc
Dielectric Withstanding Voltage ..125 Vdc
Temperature Rise .. 20 °C at rated current
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Solderability ................. 250 °C for 5 sec.
(JEDEC J-STD-020D)
Electrical Specications @ 25 °C
Part Number
L (μH) **
(Ref.)
Impedance***
Z (Ω)
@ 100 MHz
DCR
(mΩ) max.
(each
winding)
Rated
Current
(mA)
SRF0504-191Y 0.60 190 ± 35 % 20 5000
SRF0504-351Y 1.1 350 ± 35 % 40 2000
SRF0504-102Y 2.7 1000 ± 35 % 60 1500
SRF0504-152Y 3.6 1500 ± 35 % 100 1000
SRF0504-302Y 6.0 3000 ± 50 % 200 500
SRF0504-402Y 2.8 4000 ± 50 % 300 200
General Specications
Core Material ................................Ferrite
Wire ............................Enameled copper
Terminal coating .................................Sn
Packaging ..... 1000 pcs. per 13-inch reel
Materials
Product Dimensions
Schematic
DIMENSIONS:
MM
(INCHES)
** Test condition: 100 KHz, 0.1 V
*** At 20 °C.
N1
N2
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
SRF0504-191Y~302Y SRF0504-402Y
4.80 ± 0.2
(.189 ± .008)
3.50 ± 0.2
(.138 ± .008)
5.00 ± 0.2
(.197 ± .008)
5.00 ± 0.2
(.197 ± .008)
4.70
(.185)
MAX.
5.00 ± 0.2
(.197 ± .008)
MAX.
4.8
(.189)
191Y & 351Y:
MAX.
4.7
(.185)
102Y to 402Y:
1
4
3
2
TYP.
1.20
(.047)
TYP.
1.20
(.047)
REF.
1.00
(.039)
2.30
(.091)
REF.
2.30
(.091)
REF.
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
0.80
(.031)
REF.
1.60
(.063)
REF. REF.
1.60
(.063)
3.50 ± 0.2
(.138 ± .008)
5.00 ± 0.2
(.197 ± .008)
4.70
(.185)
MAX.
5.00 ± 0.2
(.197 ± .008)
MAX.
4.8
(.189)
191Y & 351Y:
MAX.
4.7
(.185)
102Y to 402Y:
1
4
3
2
2
1
4
3
TYP.
1.20
(.047)
REF.
1.00
(.039)
2.30
(.091)
REF.
2.30
(.091)
REF.
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
0.80
(.031)
REF.
1.60
(.063)
REF. REF.
1.60
(.063)
Recommended Layout
4.80 ± 0.2
(.189 ± .008)
3.50 ± 0.2
(.138 ± .008)
5.00 ± 0.2
(.197 ± .008)
5.00 ± 0.2
(.197 ± .008)
4.70
(.185)
MAX.
5.00 ± 0.2
(.197 ± .008)
MAX.
4.8
(.189)
191Y & 351Y:
MAX.
4.7
(.185)
102Y to 402Y:
1
4
3
2
2
1
4
3
TYP.
1.20
(.047)
TYP.
1.20
(.047)
REF.
1.00
(.039)
2.30
(.091)
REF.
2.30
(.091)
REF.
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
REF.
1.90
(.075)
0.80
(.031)
TYP.
1.35
(.053)
REF.
REF.
1.35
(.053)
0.80
(.031)
REF.
1.60
(.063)
REF. REF.
1.60
(.063)
191
Typical Part Marking
191
402
SRF0504-191Y ~ SRF0504-302Y
SRF0504-402Y
