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參數(shù)資料
| 型號(hào)： | PD0120.503 |
| 英文描述： | SMT Power Inductors - PD0120 series (10/02) |
| 中文描述： | SMT功率電感器- PD0120系列（10/02） |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大?。?/td> | 120K |
| 代理商： | PD0120.503 |
PRELIMINARY P567.P (10/02)
For More Information :
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.
Printed on recycled paper. 2002, Pulse Engineering, Inc.
UNITED STATES
(Worldwide)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
UNITED KINGDOM
(Northern Europe)
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
FRANCE
(Southern Europe)
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
TAIWAN, R.O.C.
(Northern Asia)
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
SINGAPORE
(Southern Asia)
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX: 65 280 0080
HONG KONG
(China/Hong Kong)
19/F, China United Plaza
1008 Tai Nan West Street
Cheung Sha Wan, Kowloon
Hong Kong, China
TEL: 852 2788 6588
FAX: 852 2776 1055
DISTRIBUTOR
Notes from Tables
1. The rated current as listed is either the saturation current or the
heating current depending on which value is lower.
2. The saturation current is the current which causes the
inductance to drop by 10% at the stated ambient temperatures
(-40°C, 25°C and 125°C). This current is determined by placing
the component in the specified ambient environment and apply-
ing a short duration pulse current (to eliminate self-heating
effects) to the component.
3. The heating current is the dc current which causes the tempera-
ture of the part to increase by approximately 30°C. This current
is determined by mounting the component on a PCB with .25"
wide, 3 oz. equivalent copper traces, and applying the current
to the device for 30 minutes with no forced air cooling.
4. In high volt*time applications additional heating in the
component can occur due to losses in the inductor which may
neccessitate derating the current in order to limit the
temperature rise of the component. In order to determine the
approximate total losses (or temperature rise) for a given appli-
cation both copper losses and core losses should be taken into
account.
Estimated Temperature Rise:
Trise
= Coreloss (mW) + DCRloss (mW)
.833
(°C)
7.05
Coreloss
= 2.5 x 10
-4
*
(
F
sw
(kHz)
)
1.63
* (K
c
* E
t
(mT))
2.17
(mW)
DCRloss
= I
rms
2
* DCR(m
) (mW)
I
rms
= I
DC
2
+ dI
2
(A
rms
)
2
F
sw
(kHz)
= switching frequency (kHz)
E
t
= LdI =VD (Vμs)
F
sw
dI
= pk – pk ripple current across the component (A)
V
= Voltage across the component (V)
D
= Duty cycle
SMT POWER INDUCTORS
PD0120 Series
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