ETQ-PAF2R7HFA Panasonic, ETQ-PAF2R7HFA Datasheet

ETQ-PAF2R7HFA

Manufacturer Part Number

ETQ-PAF2R7HFA

Description

Power Inductors 2.7UH POWER CHOKE

Manufacturer

Panasonic

Series

PCC-F179F (S1)r

Datasheet

1.ETQ-PAF2R7HFA.pdf (2 pages)

Specifications of ETQ-PAF2R7HFA

Product

Choke Coils

Test Frequency

100 KHz

Inductance

2.7 uH

Tolerance

30 %

Maximum Dc Current

12.5 Amps

Maximum Dc Resistance

1.56 mOhms

Dimensions

16.8 mm W x 17.2 mm L x 9 mm H

Shielding

Unshielded

Operating Temperature Range

- 40 C to + 150 C

Termination Style

SMD/SMT

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Power Choke Coil

Series:

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

Design, Specifications are subject to change without notice.

Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.

See Figure 1 for the following:

ETQPAF1R2HF1

ETQPAF2R7HF1

ETQPAF4R8HF1

ETQPAF7R2HF1

ETQPAF0R7EF1

ETQPAF1R3EF1

Its low loss is due to our low resistive technology

Features

High power type (Saturation currents up to 42.3 A)

Thin (9.0 mm height), Light weight (9.9 g)

Low leakage flux

Explanation of Part Numbers

Examples

RoHS Compliant

Notes: Inductance is measured at 100 kHz

Parts No.

1) For the definition of L & L , 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

PCC-F179F (S1)

40 degrees Celsius above its initial temperature with T(ambient)=25C

Product code

Type

Classification Size

2.9

4.6

6.8

9.7

1.9

2.9

(µH)

inductance

at 25 °C

Initial

±30

Tol.

±25

(%)

Ask factory for technical specifications before purchase and/or use.

Winding

1.2

2.7

4.8

7.2

0.7

1.3

(µH)

Inductance

at flat point

at 25 °C

Japan

Singapore

Thin type on-board power supply module for converters

Tol.

±30

±25

Recommended Applications

PC(Server) DC/DC converters for driving CPU at high

speed

(30 to 80 W)

Also suitable as a smoothing choke coil

(%)

Inductance

at 25 °C

min.

21.4

15.5

10.6

50.4

35.2

I sat

(A)

8.6

Saturation

current

at 100 °C

min.

18.0

12.5

42.3

28.5

I sat

Core

(A)

9.0

7.3

Packaging

Heat reference

DT=40 K

current

22.6

17.5

14.4

12.0

22.6

17.7

(A)

Suffix

Choke Coils

DC resistance

Rev.02/04

at 20

(mW)

1.00

1.56

2.29

3.31

1.00

1.56

max.

DCR

°C

Related parts for ETQ-PAF2R7HFA

ETQ-PAF2R7HFA Summary of contents

Page 1

... Type L 0 ETQPAF1R2HF1 ETQPAF2R7HF1 HL ETQPAF4R8HF1 ETQPAF7R2HF1 ETQPAF0R7EF1 EX ETQPAF1R3EF1 Notes: Inductance is measured at 100 kHz See Figure 1 for the following: 1) For the definition of L & please refer to the next page 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 Design, Specifications are subject to change without notice ...

Page 2

Figure :Definition Bias Characteristic L 0 100% 80 (Initial Inductance) 0 Inductance when Idc is zero L : (Inductance at flat point) 1 Point where the measured inductance is 80% ...

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