1812WBT-1LB Coilcraft, Inc., 1812WBT-1LB Datasheet

1812WBT-1LB

Manufacturer Part Number

1812WBT-1LB

Description

Surface Mount Wideband Rf Transformers

Manufacturer

Coilcraft, Inc.

Datasheet

1.1812WBT1.5-3LB.pdf (2 pages)

Current page: 1 of 2
Download datasheet (119Kb)

1. When ordering, please specify termination and packaging codes:

2. Inductance is per winding

3. Operating temperature range -40°C to +85°C.

4. Electrical specifications at 25°C.

1:1 Transformers

1812WBT-1L_

1812WBT-2L_

1812WBT-3L_

1812WBT-4L_

1812WBT-5L_

1.5:1 Transformers

1812WBT1.5-1L_

1812WBT1.5-2L_

1812WBT1.5-3L_

1812WBT1.5-4L_

2:1 Transformers

1812WBT2-1L_

1812WBT2-2L_

1812WBT2-3L_

1812WBT2-4L_

Surface Mount Wideband RF Transformers

Termination: L = RoHS compliant gold over nickel over moly-manganese

Packaging:

number

Part

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (600 parts per full reel).

B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead.

D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (2200 parts per full reel).

1812WBT-1.5-4LC

Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37).

Inductance

Inductance (µH)

13.80

5.3

1.25

0.220

0.090

5.0

2.5

1.0

0.144

5.850

2.60

0.910

(µH)

pri

3.3

1.6

0.6

0.090

6.90

2.925

1.30

0.455

sec

Test frequency Imp. ratio

(MHz)

Test freq.

(MHz)

Specifications subject to change without notice.

Please check our website for latest information.

pri : sec

1 : 1

Imp. ratio

pri : sec

1.5 : 1

2 : 1

DCR max

(Ohms)

4.8

1.8

0.7

0.3

0.15

DCR max ( )

1.05

0.74

0.43

0.18

4.6

1.25

0.52

0.27

pri

Available in a variety of impedance versions, Coilcraft’s

WBT Series chip transformers provide wide band pass

performance in a small surface mount package.

The transformers are built on an 1812 size ferrite body

with a ceramic base. They feature 50 V isolation and a

1/4 Watt RF input power rating. The top is a high

temperature material that creates a flat surface for auto

insertion. The parts are packaged in tape and reel for

easy dispensing.

Applications include impedance matching, voltage or

current transformation, DC isolation, balanced/unbal-

anced mixing, matching, power splitting, coupling and

signal inversion.

To request free evaluation samples, contact Coilcraft or

visit www.coilcraft.com.

sec

0.87

0.58

0.34

0.14

sec

3.2

0.95

0.42

0.23

(mA)

200

400

500

700

(mA)

400

500

700

200

400

600

700

Isolation

(Vrms)

Isolation Insertion Bandwidth Color

(Vrms)

Document 117-1 Revised 03/23/06

loss (dB)

Insertion

<1.5

loss (dB)

<1.5

0.5

0.75

2.25

Bandwidth

Document 117-1

0.340–22

0.800–60

11–480

48–645

4–200

(MHz)

2.75–135 Orange

0.800–23

1.3–100

7.2–200

38–535

11–200

2.2–65

(MHz)

4–105

Orange

Yellow

Green

Color

White

Orange

Yellow

Red

Brown

Green

dot

Red

dot

Related parts for 1812WBT-1LB

1812WBT-1LB Summary of contents

Page 1

... Transformers Inductance (µH) 2 Part Test freq. number 1 pri sec (MHz) 1812WBT2-1L_ 13.80 6.90 1812WBT2-2L_ 5.850 2.925 1812WBT2-3L_ 2.60 1.30 1812WBT2-4L_ 0.910 0.455 1. When ordering, please specify termination and packaging codes: 1812WBT-1.5-4LC Termination RoHS compliant gold over nickel over moly-manganese Special order RoHS tin-silver-copper (95.5/4/0. non-RoHS tin-lead (63/37). ...

Page 2

... Typical Frequency Attenuation 1:1 Transformers Typical Frequency Attenuation 1.5:1 Transformers Typical Frequency Attenuation 2:1 Transformers © Coilcraft, Inc. 2006 0.135 max 3,43 0.015 0.070 ref 0,38 1,78 Color dot over 0.020 primary 0,51 0.030 ±0.002 0.048 0,76 ±0,05 ...

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