TOROIDAL INDUCTORS
High Current
Cost-effective designs
Semi-encapsulated construction
Maximum operation temperature of
130°C (Ambient + Rise)
A 2:1 inductance swing from zero to
maximum current
Electrical Specifications @ 25°C
Part
Number
R
EFERENCE
O
PERATING
V
ALUES
Inductance
ET
OP
1
I
DC
Typical
(V-µSec)
(AMPS)
(µH)
2
20kHz 40kHz
Energy
Storage
(µJ MIN)
3
Inductance
No DC
(µH)
(±20%)
D
ESIGN
C
ONTROL
V
ALUES
50kHz
DCR
Size
Test mV
(
Ω
MAX)
Code
No DC
5
Lead
Diameter
(in ±.003)
PE-51506
17.0
17.0
190
130
2460
40.0
140
0.0065
3
0.081
PE-51507
32.0
16.0
290
200
4100
70.7
270
0.0092
4
0.081
PE-51508
60.0
16.0
390
270
7700
120.0
470
0.012
5
0.081
PE-51509
14.0
10.0
135
95
700
28.5
73
0.009
1
0.057
PE-51510
23.0
11.0
170
120
1400
43.5
130
0.012
2
0.057
PE-51511
43.0
10.0
280
195
2150
85.5
210
0.018
3
0.057
PE-51512
90.0
10.0
430
300
4500
158.0
420
0.028
4
0.057
PE-51513
144.0
10.0
570
400
7200
262.0
700
0.032
5
0.057
PE-51514
32.0
6.6
200
140
700
60.5
110
0.025
1
0.040
PE-51515
52.0
7.0
230
160
1275
92.0
190
0.032
2
0.040
PE-51516
98.0
6.0
400
280
1765
188.0
310
0.048
3
0.040
PE-51517
175.0
6.0
620
425
3150
315.0
560
0.068
4
0.040
PE-51518
335.0
6.0
840
580
6030
571.0
1000
0.095
5
0.040
PE-51520
400
3.6
600
420
2700
688.0
640
0.130
3
0.036
NOTES:
3.
LI2 rating is the ability of the inductor to store energy.
1.
To prevent excessive temperature rise, limit ET
OP
to the rated ET
OP
specified. This is not a saturation limit. Temperature rise of inductors
2
is 40°C MAX at MAX current and rated ET
OP
.
4.
Design control test voltage is critical. Inductance increases with voltage.
2.
A 2:1 nominal inductance swing from no I
DC
to operating I
DC
gives
5.
RoHS compliant parts are available. Order RoHS compliant parts by adding
improved protection against current discontinuities at light loading.
the suffix "NL" to the part number (i.e. PE-51506 becomes PE-51506NL).
Inductance increases with greater ET
OP
. Reference values occur
at I
DC
and low flux density.
Mechanical
Size
Code
1
1.20/30,48
0.60/15,24
0.40/10,16
0.80/20,32
0.45/11,43
0.20/5,08
.015/0,381
1.20/30,48
2
1.44/36,57
0.80/20,32
0.60/15,24
0.90/22,86
0.70/17,78
0.20/5,08
0.03/0,76
1.44/36,57
3
1.60/40,64
0.80/20,32
0.60/15,24
0.90/22,86
0.70/17,78
0.20/5,08
0.03/0,76
1.72/43,68
4
1.95/49,53
0.91/23,11
0.70/17,78
1.20/30,48
0.90/22,86
0.20/5,08
0.03/0,76
2.00/50,80
5
2.30/58,42
1.11/28,19
0.90/22,85
1.50/38,10
1.00/25,40
0.20/5,08
0.03/0,76
2.30/58,42
A
B
C
D
E
F
G
H
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
H
MAX
E
MIN
G
MAX
1
DATE CODE
COUNTRY OF ORIGIN
PE-515XX
Schematic
1
2
3
B
MAX
± .010
3
D
F
MIN
Lead Dia.
(3 PLCs)
C
± .010
2
For More Information:
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Headquarters
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U.S.A.
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TEL: 858 674 8100
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No Internal
Connections
A
MAX
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Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2006. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
P589.B (11/06)
51mcu
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