IRF
www.vishay.com
Vishay Dale
Inductors, Epoxy Conformal Coated,
Uniform Roll Coated, Axial Leaded
FEATURES
• Flame-retardant coating
• Color band identification
ELECTRICAL SPECIFICATIONS
Inductance Tolerance:
± 5 %, ± 10 %, ± 20 %
Other tolerances available on request
Insulation Resistance:
1000 M minimum
MIL-STD-202, method 302, test condition B
Operating Temperature:
- 55 °C to + 105 °C
per
• Uniform coating is excellent for automatic
insertion
• Available in bulk, ammo and reel pack per EIA RS/296
• Superior electrical specifications high Q and self resonant
frequency, low DC resistance, high rated DC current
• Compliant to RoHS Directive 2002/95/EC
MATERIAL SPECIFICATIONS
Coating:
Epoxy-uniform roll coated
Lead:
Tinned copper
Core:
Ferrite
TEST EQUIPMENT
• H/P 4342A Q-meter
(1)
• Measurements corporation megacycle meter, model 59
• Whearstone bridge
Note
(1)
Test procedures per MIL-PRF-15305
MECHANICAL SPECIFICATIONS
Terminal Strenght:
5 pounds pull per MIL-STD-202,
method 211, test condition A
Weight:
IRF-1 = 0.3 g maximum
IRF-3 = 0.6 g maximum
ENVIRONMENTAL PERFORMANCE
TEST
CONDITIONS
-
-
A
SPECIFICATIONS
MIL-STD-202,
method 111
MIL-PRF-15305
MIL-STD-202,
method 210
MIL-STD-202,
method 215
DIMENSIONS
in inches [millimeters]
A
Max.
1.25 [31.75] Min.
1.63 [41.28] Max.
Flammability
Overload
D
C
Max.
B Max.
Resistance to
Soldering Heat
Resistance to
Solvents
MODEL
IRF-1
IRF-3
A (MAX.)
0.260
[6.60]
0.385
[9.78]
B (MAX.)
0.120
[3.05]
0.170
[4.32]
C (MAX.)
0.330
[8.38]
0.410
[10.41]
D
0.0200 ± 0.0015
[0.508 ± 0.038]
0.025 ± 0.002
[0.635 ± 0.051]
-
STANDARD ELECTRICAL SPECIFICATIONS
IND.
TEST FREQUENCY L AND Q
SRF MIN.
TOL.
Q
MODEL
(μH)
(%)
MIN.
(MHz)
(MHz)
(1)
IRF-1
0.10
± 20
40
25.0
400.0
IRF-1
0.12
± 20
40
25.0
400.0
IRF-1
0.15
± 20
40
25.0
400.0
IRF-1
0.18
± 20
40
25.0
400.0
IRF-1
0.22
± 20
40
25.0
380.0
IRF-1
0.27
± 20
40
25.0
360.0
IRF-1
0.33
± 20
40
25.0
350.0
IRF-1
0.39
± 20
40
25.0
320.0
IRF-1
0.47
± 20
40
25.0
300.0
IRF-1
0.56
± 20
40
25.0
280.0
IRF-1
0.68
± 20
40
25.0
250.0
IRF-1
0.82
± 20
40
25.0
200.0
IRF-1
1.0
± 10
50
25.0
180.0
IRF-1
1.2
± 10
50
7.9
165.0
IRF-1
1.5
± 10
50
7.9
150.0
Notes
(1)
Measured with full length lead
(2)
Rated DC current based on maximum temperature rise of 15 °C at + 90 °C ambient
Revision: 17-Oct-11
DCR MAX.
()
0.06
0.06
0.07
0.075
0.075
0.08
0.08
0.09
0.10
0.11
0.12
0.12
0.15
0.18
0.20
RATED DC CURRENT
(mA)
(2)
1350
1270
1200
1155
1150
1110
1110
1000
1000
950
900
900
815
740
700
Document Number: 34055
1
For technical questions, contact:
magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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