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參數(shù)資料
| 型號： | HPH6-0090T |
| 廠商： | COILCRAFT INC |
| 元件分類： | 通用定值電感 |
| 英文描述： | 6 ELEMENT, 7.29 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 469K |
| 代理商： | HPH6-0090T |
Specifications subject to change without notice.
Please check our website for latest information.
Coilcraft, Inc. 2009
Hexa-Path Magnetics
Document 613-7
Revised 01/23/09
Document 613-7
Connecting primary windings in series
When primary windings (Wpri) are connected in series, inductance
increases, energy storage and
Irms remain the same, but DCR increases
and
Isat decreases.
Example: For HPH3-0138L, connect two primary windings in series:
Inductance = Inductancetable × Wpri2
= 23.6 × 22 = 94.4 H
DCR = DCRtable × Wpri
= 0.125 × 2 = 0.25 Ohms
Isat = (Isattable × 6)
÷ Wpri
= (0.42 × 6)
÷ 2 = 1.26 A
Irms = Irmstable = 1.13 A
Connecting secondary windings in parallel
When secondary windings (Wsec) are connected in parallel, DCR de-
creases and
Irms increases.
Example: For HPH3-0083L, connect two secondary windings in
parallel:
DCR = 1
÷ [Wsec × (1 ÷ DCRtable)]
= 1
÷ [(2 × (1 ÷ 0.125)] = 0.0625 Ohms
Irms = Irmstable × Wsec = 1.13 × 2 = 2.26 A
1
Pri
Bias
2
3
12
11
10
9
4
Sec
5
6
7
8
Create a 13 Watt 2 : 1 : 1 flyback transformer with a bias winding
Choose HPH3-0138L
Vin = 36 – 57 Vdc; Vout = 12 V, 1.1 A
Primary:
L = 94.4 H
DCR = 0.25
Isat = 1.26 A
Irms = 1.13 A
DCR
Volt-time
Peak energy
Part
Inductance
max
product
storage
Isat
Irms
number
(H)
(Ohms)
(V-sec)
(J)
(A)
HPH3-0138L
23.6 ±20%
0.125
43.9
1.457
0.420
1.13
Secondary:
DCR = 0.0625
Irms = 2.26 A
Formulas used to calculate electrical characteristics
Connecting windings in series
Inductance = Inductancetable × (number of windings)2
DCR = DCRtable × number of windings
Isat = (Isattable × 6)
÷ number of windings connected in series
Irms = Irmstable
Connecting windings in parallel
Inductance = Inductancetable
DCR = 1
÷ [number of windings × (1 ÷ DCRtable)]
Isat = (Isattable × 6)
÷ number of windings connected in series
Irms = Irmstable × number of windings
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