33
3
  
IHLP-3232DZ-51
www.vishay.com
Vishay Dale
IHLP Commercial Inductors, High Temperature (155 C) Series
FEATURES
 Shielded construction
 Excellent DC/DC energy storage up to 1 MHz to 
2 MHz. Filter inductor applications up to SRF 
(see Standard Electrical Specifications table)
 High temperature, up to 155 C
 Lowest DCR/H, in this package size
 Handles high transient current spikes without 
saturation
DESIGN SUPPORT TOOLS AVAILABLE
 Ultra low buzz noise, due to composite construction
 IHLP design. PATENT(S): www.vishay.com/patents
 Material categorization: for definitions of compliance 
3D Models Design Tools
please see www.vishay.com/doc?99912
APPLICATIONS
STANDARD ELECTRICAL SPECIFICATIONS
 PDA / notebook / desktop / server applications
L
0
INDUCTANCE HEAT  High current POL converters
DCR DCR SRF
 20 % RATING SATURATION
 Low profile, high current power supplies
TYP. MAX. TYP.
AT100 kHz, CURRENT CURRENT
 Battery powered devices
25 C 25 C (MHz
0.25 V, 0 A DC TYP. DC TYP.
 (1) (2)
(m ) (m ) )
(H) (A) (A)  DC/DC converters in distributed power systems
0.22 1.68 1.86 36.0 32.0 117
 DC/DC converter for Field Programmable Gate Array (FPGA)
0.47 2.38 2.55 27.0 19.0 77
0.68 3.30 3.53 21.5 16.2 51
DIMENSIONS in inches [millimeters]
0.82 3.70 4.00 20.0 16.0 49
1.0 4.58 4.90 19.0 16.2 45
0.340  0.01
1.5 6.78 7.25 15.5 14.0 35
 [8.64  0.254]
2.2 11.70 12.50 11.5 14.0 32
3.3 15.40 16.48 10.6 11.8 23
4.7 26.60 28.46 7.2 9.1 18
0.322  0.003
[8.18  0.076]
5.6 29.60 31.67 6.9 9.0 18
10 50.00 53.50 5.1 5.2 13
15 62.00 66.34 4.8 3.6 10
0.322  0.003
22 103.00 110.21 3.7 3.8 9
[8.18  0.076]
33 149.00 159.43 3.1 3.2 6.1
0.158
47 252.00 269.64 2.4 2.8 5.5
[4.0]
Max.
Notes
 All test data is referenced to 25 C ambient
0.054  0.015 0.200  0.003
[1.372  0.381] [5.08  0.076]
 Operating temperature range -55 C to +155 C
 The part temperature (ambient + temp. rise) should not exceed 
Typical Pad Layout
155 C under worst case operating conditions. Circuit design, 
0.380
component placement, PWB trace size and thickness, airflow 
[9.652]
and other cooling provisions all affect the part temperature. Part 
0.210
temperature should be verified in the end application
[5.334]
 Rated operating voltage (across inductor) = 75 V
(1) 0.190
DC current (A) that will cause an approximate T of 40 C
[4.826]
(2)
DC current (A) that will cause L to drop approximately 20 %
0
DESCRIPTION
IHLP-3232DZ-51 10 H  20 % ER e3
MODEL INDUCTANCE VALUE INDUCTANCE TOLERANCE PACKAGE CODE JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I H L P 3 232 D Z E R 1 0 0 M 51
MODEL SIZE PACKAGE INDUCTANCE TOL. SERIES
CODE VALUE
PATENT(S): www.vishay.com/patents
This Vishay product is protected by one or more United States and international patents.
 
Revision: 04-Jun-2019 Document Number: 34345
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
DD
D  
IHLP-3232DZ-51
www.vishay.com
Vishay Dale
PERFORMANCE GRAPHS
0.22 H 0.47 H
0.25 100 0.5 100 
T C 
L 
T C L 
0.20 80 0.4 80 
0.15 60 0.3 60 
0.10 40 0.2 40 
0.05 20 0.1 20 
0.00 0 0.0 0 
0 10 20 30 40 50 60 0 5 10 15 20 25 30 35 40 45 
DC CURRENT (A) DC CURRENT (A) 
0.68 H 0.82 H
1.0 100 1.0 100
L T C
0.8 80 0.8 80
L 
T C 
0.6 60 0.6 60
0.4 40 0.4 40
0.2 20 0.2 20
0.0 0 0.0 0
0 4 8 12 16 20 24 28 32 0 10203040
DC CURRENT (A) DC CURRENT (A)
1.0 H 1.5 H
2 100 2.0 100
T C
1.6 80 1.6 80
T C L
1.2 60 1.2 60
L 
0.8 40 0.8 40
0.4 20 0.4 20
0 0 0.0 0
0 5 10 15 20 25 30 0 4 8 12 16 20 24
DC CURRENT (A) DC CURRENT (A)
2.2 H 3.3 H
2.5 100 5 100 
T C 
L 
T C 
2 80 4 80 
L 
1.5 60 3 60 
1 40 2 40 
0.5 20 1 20 
0 0 0 0 
0 5 10 15 20 0 2 4 6 8 10 12 14 16 
DC CURRENT (A) DC CURRENT (A) 
 
Revision: 04-Jun-2019 Document Number: 34345
2
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
INDUCTANCE (H) INDUCTANCE (H) INDUCTANCE (H) INDUCTANCE (H) 
TEMPERATURE (C) TEMPERATURE (C) TEMPERATURE (C) TEMPERATURE (C) 
INDUCTANCE (H) INDUCTANCE (H) INDUCTANCE (H) INDUCTANCE (H) 
TEMPERATURE (C) TEMPERATURE (C) TEMPERATURE (C) TEMPERATURE (C)