2

Technical Data 4380

Effective August 2018

CL1108 and CLA1108

Multi-phase power inductors

www.eaton.com/electronics

Product specifications

Functional

Test

Inductor

phases

DCR

(mΩ)

±10% @

+20 °C

Rated

inductance

(nH)

I Rated per

Imax Peak

(Adc)

Pin

numbers

(nH)

Pin

numbers

(nH)

Magnetizing

(nH) @ 10 Adc

(+25 °C)

CL1108 Family—Standard

CL1108-2-50TR-R

2

0.28

50 ± 20%

50

80

(3-4)

380±20%

(1-2)

380±20%

300

CL1108-3-50TR-R

3

0.28

50 ± 20%

50

80

(3-4)

400±20%

(1-2), (5-6)

380±20%

300

CL1108-4-50TR-R

4

0.28

50 ± 20%

50

80

(3-4), (5-6)

400±20%

(1-2), (7-8)

380±20%

300

CL1108-5-50TR-R

5

0.28

50 ± 20%

50

80

(3-4), (5-6), (7-8)

400±20%

(1-2), (9-10) 380±20%

300

CLA1108 Family—Acoustic Noise Dampening

CLA1108-2-50TR-R 2

0.28

50 ± 20%

50

80

(3-4)

380±20%

(1-2)

380±20%

300

CLA1108-3-50TR-R 3

0.28

50 ± 20%

50

80

(3-4)

400±20%

(1-2), (5-6)

380±20%

300

CLA1108-4-50TR-R 4

0.28

50 ± 20%

50

80

(3-4), (5-6)

400±20%

(1-2), (7-8)

380±20%

300

1. Open Circuit Inductance (OCL)

2. Test parameters: 1 MHz, 0.1 Vrms, 0.0 Adc. @ +25 °C

3. The rated current, Imax peak current, and rated inductance per phase is determined by Volterra/Maxim’s testing and

circuit design. Additional information can be provided by contacting Volterra/Maxim.

4. Part Number Definition: CLx1108-y-50TR-R

• CL(x)1108 = Product code and size (CL= standard, CLA= Acoustic Noise Dampening)

• y = number of phases

• 50 = inductance value per phase nH

• TR = Tape and reel packaging

• -R suffix= RoHS compliant

5. This device is licensed for use only when incorporated within a voltage regulator employing power regulating

devices manufactured by Volterra Semiconductor, LLC or Maxim Integrated Devices, Inc. No license is granted

expressly or by implication to use this device with power regulating devices manufactured by any company other

than Volterra or Maxim.

Dimensions (mm)

Part marking: Pin 1 dot, CL1108/CLA1108= (product code and size, CL= standard, CLA= acoustic noise

dampening), -2,-3,-4,-5, = (number of phases), -50= inductance value per

phase in nH, TR= tape and reel, -R = RoHS compliant

wwllyy = date code, R = revision level

Tolerances are ±0.25 millimeters unless stated otherwise

All soldering surfaces to be coplanar within 0.13 millimeter

Do not route traces or vias underneath the inductor

Top View

Bottom View

Front View

27.0±0.5

11.0±0.5

CL1108-3-50TR-R

wwllyy R

CL/CLA1108-3

36.0±0.5

11.0±0.5

CL1108-4-50TR-R

wwllyy R

CL/CLA1108-4

CL/CLA1108-2

18.0±0.5

11.0±0.5

CL1108-2-50TR-R

wwllyy R

CL1108-5

45.0±0.8

11.0±0.5

CL1108-5-50TR-R

wwllyy R

Pin #1

Pin #1

Pin #1

9.0±0.25

9.0±0.25

Pin #1