Datasheet
191
5.00
(.197)
MAX.
MAX.
MAX.
MAX.
3.5
(.138)
TYP.
5.20
(.205)
0.80
(.0314)
TYP.
TYP.
1
1.0
(.0394)
5.20
(.205)
TYP.
5.00
(.197)
4.8
(.189)
4
2
3
191Y & 351Y:
MAX.
4.7
(.185)
102Y to 302Y:
MAX.
4.7
(.185)
402Y:
Features
■ Current rating up to 5 A
■ Inductance range: 0.60 to 6.0 μH
■ Frequency range to 1200 MHz
■ RoHS compliant*
Applications
■ 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.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c 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 Specifi cations @ 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 Specifi cations
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.
0.8
(.031)
1.0
(.039)
2.3
(.091)
REF.
REF.
REF.
REF.
1.6
(.063)
REF.
1.6
(.063)
2.3
(.091)
REF.
How to Order
SRF0504 - 102 Y
Model
Value Code (see table)
Tolerance Code
Typical Part Marking
191
402
SRF0504-191Y ~ SRF0504-302Y
SRF0504-402Y
N1
12
N2
43
Impedance Graphs (Continued on page 2)
SRF0504-191Y
1
10
100
1000
10000
1 10 100 1000 10000
Frequency (MHz)
Impedance (Ω)
1
10
100
1000
10000
1 10 100 1000
Frequency (MHz)
Impedance (Ω)
SRF0504-351Y
191
*RoHS COMPLIANT
Recommended Layout