SMT POWER INDUCTORS
Toroid Series
Ruggedized
Ruggedized header with SLED rails for secure board mounting
Current Rating: up to 3.8ADC
Inductance Range: 9.4µH to 439µH
Moisture Sensitivity Level: 1
Part 9
Number
Inductance
@ Irated
(µH)
SLED 25
PL8500
PL8501
PL8502
PL8503
PL8504
PL8505
PL8506
PL8507
PL8508
PL8509
9.4
13.3
23
50
75
90
137
200
305
439
Electrical Spe cifications @ 25°C — Operating Temperature - 40 °C to +130 °C
100 Gauss
DCR (mΩ)
Inductance
ET
Irated
@ 0ADC
ET100
(A )
(V-µsec)
TYP
MAX
(µH ±10%)
(V-µsec)
3.80
3.20
2.40
1.60
1.30
1.20
1.00
0.82
0.66
0.56
27
40
65
121
181
246
387
585
845
1322
NOTES: 1. The reference inductance at rated DC current is a typical value.
2. Temperature rise is 50°C in typical buck or boost circuits at 250kHz and with the
reference ET applied to the inductor.
3. Total loss in the inductor is 380mW for 50°C temperature rise above ambient.
4. To estimate temperature rise in a given application, determine copper and core
losses, divide by 380 and multiply by 50.
5. For the copper loss, calculate IDC2 X RN.
6. For core loss, using frequency (f) and operating flux density (B),
calculate 6.11 x 10-18 x B2.7 x f2.04.
Mechanical
1
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32
46
74
135
220
285
425
673
972
1520
15.2
18.8
24.3
37.0
44.3
49.2
59.4
71.3
85.8
99.6
10.4
14.6
25
56
83
100
152
220
331
472
2.65
3.13
4.10
6.15
7.47
8.19
10.12
12.17
14.94
17.83
1 Amp DC
H1
(Orsted)
11.95
14.12
18.46
27.69
33.67
36.93
45.61
54.85
67.34
80.37
7. For flux density (B), calculate ET (V-µsec) for the application, divide by ET100 from the
table, and multiply by 100.
8. Limit the DC bias (H) to 46 orsteds. Calculate H by multiplying H1 from the table by IDC
of the application.
9. Optional Tape & Reel packaging can be ordered by adding a "T" suffix to the part number
(i.e. PL8500 becomes PL8500T).
Electrical Schematic
M113.E (07/20)
SMT POWER INDUCTORS
Toroid Series
Ruggedized
For More Information
Global Sales Representatives and Lo cations:
http://www.inrcore.com
iNRCORE,LLC
311 Sinclair Road Bristol,
PA 19007-6812 U.S.A
Tel: + 1.215.781.6400
Fax: +1.215.7816430
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, 2020. iNRCORE, LLC. All rights reserved.
2
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M113.E (07/20)
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