AC4842R Series – Air Coil Inductors

Features

n

High Q value, self-resonant frequency

n

Tight tolerance

n

Epoxy cover for mechanical stability and

pick & place

n

Surface mount

n

RoHS compliant*

Applications

n

High frequency TV and radio receivers

n

Radio transmitters

n

RF amplifiers

n

Tuning applications

Additional Information

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Electrical Specifications @ 25 °C

Bourns

Part Number

Inductance

Q

Min.

Test

Frequency

(MHz)

DC

Resistance

(mW)

Max.

SRF

(GHz)

Min.

Rated

Current

(A)

Max.

L

(nH) Tol. (%)

AC4842R-22NK

22

10

100

150

4.2

3.2

3.0

AC4842R-27NK

27

4.0

2.7

3.5

AC4842R-33NK

33

4.8

2.5

3.0

AC4842R-39NK

39

4.4

2.1

3.0

AC4842R-47NK

47

5.6

2.1

3.0

AC4842R-56NK

56

6.2

1.5

3.0

AC4842R-68NK

68

8.2

1.5

2.5

AC4842R-82NK

82

9.4

1.3

2.5

AC4842R-R10K

100

12.3

1.2

1.7

AC4842R-R12K

120

17.3

1.1

1.5

AC4842R-R15K

150

33.0

0.75

1.2

Notes:

2 % tolerance is available. Replace “K” in the part number with “G”

5 % tolerance is available. Replace “K” in the part number with “J”

General Specifications

Operating Temperature

................................ -25 °C to +125 °C

Storage Temperature

.................................. -25 °C to +85 °C

Temperature Rise ...........................15 °C

Moisture Sensitivity Level......................1

ESD Classification (HBM)..................N/A

Electrical Schematic

Soldering Profile

Tp

Tsmax

25

Time 25 °C to Peak

Time

TL

Tc -5 °C

tp

tL

MAX. RAMP UP RATE = 3 °C/SEC.

MAX. RAMP DOWN RATE = 6 °C/SEC.

PREHEAT AREA

Tsmin

ts

REFLOW TIMES: 3 TIMES MAX.

Profile Feature

Pb Free Assembly

Preheat

- Temperature Min. (Tsmin)

- Temperature Max. (Tsmax)

- Time(ts) from Tsmin to Tsmax

150 °C

200 °C

60-120 seconds

Ramp-up Rate (TL to Tp)

3 °C/second max.

Liquidous temperature (TL)

Time (tL) maintained above TL

217 °C

60-150 seconds

Peak package body temperature (Tp)

260 °C

Time (tp) at Tc - 5 °C

(Tp should be equal to or less than Tc)

< 30 seconds

Ramp-Down Rate (Tp to TL)

6 °C/second max.

Time 25 °C to Peak Temperature

8 minutes max.

WARNING

Cancer and Reproductive Harm

www.P65Warnings.ca.gov

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice.

Users should verify actual device performance in their specific applications.

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

Materials

Wire ............................Enameled Copper

Cover.............................................Epoxy

Terminal ................................... Sn/Ag/Cu

Packaging.......1000 pcs. per 13-inch reel