Notes

A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.

B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.

C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled

to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp

50Ω

2400 to 2500 MHz

1:4 Ratio

RFTransformer

BLJC4-252R+

Maximum Ratings

Operating Temperature

-40°C to 85°C

Storage Temperature*

-40°C to 85°C

Input RF Power**

2W at 25°C

Electrical Specifications at 25°C

REV. OR

M172548

BLJC4-252R+

AV/CP/AM

190321

Typical Performance Data at 25°C**

Features

• miniature size 0603 (0.063” [1.6mm] x 0.031”

[0.8mm] x 0.024” [0.6mm])

• low phase unbalance, 0.8 deg.

and amplitude unbalance, 0.2 dB typ.

• low cost

• aqueous washable

Applications

• ISM Band

• WLAN

• Bluetooth

• Zigbee

LTCC Balun

Outline Drawing

FREQUENCY

(GHz)

INSERTION

LOSS

(dB)

INPUT

R. LOSS

(dB)

AMPLITUDE

UNBALANCE

(dB)

PHASE

UNBALANCE

(Deg.)

†

Relative to 180°

0.7

0.8

0.9

1.0

1.1

1.2

1.3

2.40

2.42

2.44

2.46

2.48

2.50

FREQUENCY (GHz)

BLJC4-252R+

INSERTION LOSS

0.0

0.2

0.4

0.6

0.8

2.40

2.42

2.44

2.46

2.48

2.50

FREQUENCY (GHz)

BLJC4-252R+

AMPLITUDE UNBALANCE

0

1

2

3

4

2.40

2.42

2.44

2.46

2.48

2.50

FREQUENCY (GHz)

BLJC4-252R+

PHASE UNBALANCE

** Measured with Agilent E5071B network analyzer using impedance conversion and port extension.

Evaluation Board MCL P/N: TB-1013+

Suggested PCB Layout (PL-559)

Pad Connections

PRIMARY DOT (Unbalanced Port)

1

GND or DC FEED

3

SECONDARY DOT (Balanced)

4

SECONDARY (Balanced)

6

NO CONNECTION

2,5

Outline Dimensions (

)

inch

mm

2.40

0.97

20.36

0.09

1.02

2.41

0.95

21.08

0.12

0.94

2.42

0.94

21.77

0.15

0.85

2.43

0.93

22.39

0.18

0.78

2.44

0.91

22.91

0.21

0.65

2.45

0.90

23.32

0.24

0.52

2.46

0.89

23.46

0.27

0.46

2.47

0.88

23.39

0.30

0.32

2.48

0.88

23.05

0.32

0.21

2.49

0.87

22.54

0.35

0.08

2.50

0.87

21.97

0.38

0.12

Available Tape

and Reel

at no extra cost

Reel Size

Devices/Reel

7”

20, 50, 100, 200, 500,1000, 4000

PCB Land Pattern

Suggested Layout,

Tolerance to be within ±.002

A

B

C

D

E

F

.063

.031

.024

.012

.008

.006

1.60

0.79

0.61

0.30

0.20

0.15

G

H

J

K

wt

.020

.010

.022

.053

grams

0.51

0.25

0.56

1.35

0.005

Parameter

Frequency (MHz)

Min.

Typ.

Max.

Unit

Impedance Ratio

4

Frequency Range

2400

—

2500

MHz

Insertion Loss*

2400 - 2500

—

0.9

1.2

dB

Amplitude Unbalance

2400 - 2500

—

0.2

2

dB

2400 - 2500

—

0.8

10

Degree

Unbalance Return Loss

2400 - 2500

9.5

24

—

dB

*Refer to product storage temperature after installation.

Suggestion for T&R unused product storage condition:

+5~+35°C, Humidity 45~75%RH, 12 Month max.

Permanent damage may occur if any of these limits are

exceeded.

**Derate linearly to 1W at 85°C.

CASE STYLE: JC0603C

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications

Configuration J

NO

CONNECTION*

PRI

SEC

*Internal open circuit