Specifications subject to change without notice.

1102 Silver Lake Road

Cary IL 60013

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Fax

800-981-0363

847-639-1508

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© Coilcraft, Inc. 2011

High-ReliabilityAirCoreInductors

AIR CORE INDUCTORS

Document MS107-1 Revised 09/08/11

SRF

DCR

Turns (nH)

tol

min (GHz) (mOhm) (A)

(mg)

MS439RAT2N5KSZ

1

2.5

10

145 12.5

1.1

4

31

MS439RAT5N0_SZ

2

5.0

5,2

140

6.5

1.8

4

42

MS439RAT8N0_SZ

3

8.0

5,2

140

5.0

2.6

4

52

MS439RAT13N_SZ

4 12.5

5,2

137

3.3

3.4

4

65

MS439RAT19N_SZ

5 18.5

5,2

132

2.5

3.9

4

78

MS470RAT18N_SZ

6 17.5

5,2

100

2.2

4.5

4

100

MS470RAT22N_SZ

7 22.0

5,2

102

2.1

5.2

4

110

MS470RAT28N_SZ

8 28.0

5,2

105

1.8

6.0

4

118

MS470RAT36N_SZ

9 35.5

5,2

112

1.5

6.8

4

133

MS470RAT43N_SZ 10 43.0

5,2

106

1.2

7.9

4

147

1. When ordering, please specify

tolerance and testing codes:

MS470RAT43NGSZ

Tolerance: G = 2% J = 5%

Testing:

Z = COTS

H = Screening per Coilcraft CP-SA-10001

N = Screening per Coilcraft CP-SA-10003

2. Inductance measured at 150 MHz on an Agilent/HP 4286A or equivalent with

a Coilcraft SMD-A test fixture and correlation.

3. Q measured at 150 MHz on an Agilent/HP 4291A or equivalent with a

16193A test fixture or equivalent.

4. SRF measured on an Agilent/HP 8753ES network analyzer or equivalent

with a Coilcraft CCF1268 test fixture. Parts with SRF >5 GHz are verified to

>5 GHz in screening

5. DCR measured on a Keithley 580 Micro-Ohmmeter or equivalent.

6. Electrical specifications at 25°C.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Terminations Tin-lead (63/37) over copper.

Ambient temperature –55°C to +125°C with Imax current, +125°C

to +155°C with derated current

Storage temperature Component: –55°C to +155°C.

Packaging: –40°C to +80°C

Resistance to soldering heat Max three 40 second reflows at

+260°C, parts cooled to room temperature between cycles

Temperature Coefficient of Inductance (TCL) +5 to +70 ppm/°C

Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /

85% relative humidity)

Enhanced crush-resistant packaging

MS439RAT: 700/7

″ reel Plastic tape: 12 mm wide, 0.32 mm thick,

8 mm pocket spacing, 3.3 mm pocket depth

MS470RAT: 500/7

″ reel; Plastic tape: 16 mm wide, 0.28 mm thick,

8 mm pocket spacing, 3.4 mm pocket depth

PCB washing Only pure water or alcohol recommended

Dimensions are in

inches

mm

MS439RAT

MS470RAT

■

Small air core inductors feature high Q and tight tolerance.

■

High temperature materials allow operation in ambient

temperatures up to 155°C.

■

Tin-lead (Sn-Pb) terminations ensure the best possible

board adhesion.