IR
Vishay Dale
Inductors, Epoxy Conformal Coated,
Uniform Roll Coated, Axial Leaded
FEATURES
• Flame-retardant coating
• Color band identification
ELECTRICAL SPECIFICATIONS
Inductance Tolerance:
± 1 %, ± 3 %, ± 5 %, ± 10 %, ± 20 %
Other tolerances available on request
Insulation Resistance:
1000 MΩ minimum
MIL-STD-202, method 302, test condition B
per
• Excellent environmental characteristics
• Uniform coating is excellent for automatic insertion
• Comparable in quality to molded chokes at a lower price
• Epoxy coating is more durable than lacquer coated
models, yet is priced comparably
• Compliant to RoHS directive 2002/95/EC
Dielectric Strength:
1000 V
AC
per MIL-STD-202, method 301
MATERIAL SPECIFICATIONS
Coating:
Epoxy-uniform roll coated
Lead:
Tinned copper
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:
IR-2 = 0.30 g maximum
IR-4 = 0.65 g maximum
ENVIRONMENTAL PERFORMANCE
TEST
CONDITIONS
C
A-1
-
-
-
A
-
SPECIFICATIONS
MIL-STD-202,
method 105
MIL-STD-202,
method 107
MIL-STD-202,
method 111
MIL-PRF-15305
MIL-PRF-15305
MIL-STD-202,
method 210
MIL-STD-202,
method 215
Barometric
Pressure
Thermal Shock
Flammability
DIMENSIONS
in inches [millimeters]
A
Max.
1.25 [31.75] Min.
1.63 [41.28] Max.
D
C
Max.
B Max.
Overload
Low Temperature
Storage
Resistance to
Soldering Heat
Resistance to
Solvents
MODEL
IR-2
IR-4
A (MAX.)
0.260
[6.60]
0.385
[9.78]
B (MAX.)
0.120
[3.05]
0.180
[4.57]
C (MAX.)
0.330
[8.38]
0.440
[11.18]
D
0.0200 ± 0.0015
[0.508 ± 0.038]
0.025 ± 0.002
[0.635 ± 0.051]
MAXIMUM TEMPERATURE RISE
MODEL
0.1 μH to 1.0 μH = + 35 °C at + 90 °C ambient
IR-2
1.2 μH to 27 μH = + 15 °C at + 90 °C ambient
33 μH to 1000 μH = + 15 °C at + 90 °C ambient
0.15 μH to 4.7 μH = + 35 °C at + 90 °C ambient
5.6 μH to 33 μH = + 15 °C at + 90 °C ambient
IR-4
36 μH to 240 μH = + 15 °C at + 90 °C ambient
270 μH to 1800 μH = + 35 °C at + 90 °C ambient
- 55 °C to 105 °C
- 55 °C to 125 °C
OPERATING TEMPERATURE RANGE
- 55 °C to 125 °C
- 55 °C to 105 °C
- 55 °C to 105 °C
- 55 °C to 125 °C
- 55 °C to 105 °C
Document Number: 34054
Revision: 15-Jul-09
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
1
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
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.
Revision: 12-Mar-12
1
Document Number: 91000
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