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Choke Coils
Power Choke Coil
Japan
Singapore
Series:
PCC-F179F (S1)
Thin, light and high power type made possible by
our original unique winding and core shape technology
Suitable for large current demands of PC servers
s Features
q High power type (Saturation currents up to 42.3 A)
Its low loss is due to our low resistive technology
q Thin (9.0 mm height), Light weight (9.9 g)
q Low leakage flux
q RoHS Compliant
s Explanation of Part Numbers
s Recommended Applications
q PC(Server) DC/DC converters for driving CPU at high
speed
q Thin type on-board power supply module for converters
(30 to 80 W)
Also suitable as a smoothing choke coil
1
2
3
4
5
6
7
8
9
10
11
12
E
T
Q
P
F
Product code
Classification Size
Winding
Inductance
Core
Packaging
Suffix
s Examples
at 20 ° C
Parts No.
Type
Initial
inductance
at 25 ° C
Tol.
L 0 (μH)
(%)
Inductance
at flat point
at 25 ° C
Tol.
L 1 (μH)
(%)
Saturation
current
at 25 ° C at 100 ° C
I sat I sat
(A) (A)
min. min.
Heat reference DC resistance
current
D T=40 K
DCR
I 0 (A) (m W )
max.
ETQPAF1R2HF 1
2.9
1.2
21.4
18.0 22.6 1.00
ETQPAF2R7HF 1
ETQPAF4R8HF 1
HL
4.6
6.8
±30
2.7
4.8
±30
15.5
10.6
12.5
9.0
17.5
14.4
1.56
2.29
ETQPAF7R2HF 1
9.7
7.2
8.6
7.3
12.0
3.31
ETQPAF0R7EF 1
ETQPAF1R3EF 1
EX
1.9
2.9
±25
0.7
1.3
±25
50.4
35.2
42.3
28.5
22.6
17.7
1.00
1.56
Notes: Inductance is measured at 100 kHz
See Figure 1 for the following:
1) For the definition of L 0 &L 1 , please refer to the next page.
2) Saturation current ( I sat) is the current value that inductance (L1) decreases to 80% of initial value
3) Case heating current is the value of the current at which the temperature of the coil case rises
40 degrees Celsius above its initial temperature with T(ambient)=25C
Rev.02/04
Design, Specifications are subject to change without notice. Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
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