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

Maximum Ratings

Operating Temperature

-40°C to 85°C

Storage Temperature

-55°C to 100°C

Power Input

0.5W max.

Applications

• defense communications

• receivers/transmitters

• harmonic rejection of VCOs

Low Pass Filter

SCLF-8+

REV. F

M158359

SCLF-8+

170315

Surface Mount

50

Ω

DC to 8 MHz

SCLF-8

INSERTION LOSS

0

20

40

60

80

100

120

1

10

100

1000

FREQUENCY(MHz)

at RF level of 0 dBm

SCLF-8

RETURN LOSS

0

10

20

30

40

50

1

10

100

1000

FREQUENCY(MHz)

at RF level of 0 dBm

SCLF-8

GROUP DELAY

0

50

100

150

200

250

1.0

4.1

7.2

10.3

13.4

16.5

FREQUENCY (MHz)

at RF level of 0 dBm

Pin Connections

INPUT

1

OUTPUT

8

GROUND

2,3,4,5,6,7

Features

• wide selection of cut-off frequencies

• excellent rejection

• custom models available

Typical Performance Data

Frequency

(MHz)

Insertion Loss

(dB)

Return Loss

(dB)

Frequency

(MHz)

Group Delay

(nsec)

_

x

σ

1.00

0.10

0.00

40.10

1.00

91.50

2.00

0.10

0.00

33.40

1.10

91.70

3.10

0.20

0.00

25.90

1.20

93.50

4.10

0.20

0.00

22.90

1.40

93.60

5.10

0.30

0.00

24.30

1.50

90.70

6.10

0.30

0.00

31.00

1.60

94.50

7.20

0.40

0.00

26.50

1.80

92.90

8.00

0.60

0.10

22.40

2.00

92.60

9.20

3.60

0.70

4.00

2.20

94.00

10.40

12.70

1.10

0.70

2.40

93.60

10.80

15.90

1.10

0.50

2.70

93.50

11.20

18.90

1.10

0.40

2.90

94.60

11.70

22.40

1.10

0.30

3.30

96.10

12.10

25.00

1.10

0.30

3.60

96.70

12.50

27.50

1.00

0.30

4.00

97.50

12.90

29.90

1.00

0.20

4.40

99.90

13.60

33.90

1.00

0.20

4.80

103.20

14.30

37.50

1.00

0.20

5.20

105.90

15.10

41.40

1.00

0.20

5.80

110.60

15.80

44.50

1.00

0.20

6.30

116.80

16.50

47.50

1.00

0.20

7.00

126.30

17.20

50.20

0.90

0.10

8.00

160.20

40.10

84.10

6.10

0.10

8.40

182.20

62.90

82.30

3.00

0.10

9.20

193.10

85.80

81.80

3.90

0.00

10.10

124.10

108.60

79.40

2.00

0.10

11.10

74.80

131.50

77.00

1.90

0.10

12.50

43.80

154.30

75.90

2.00

0.10

13.40

34.60

177.20

74.80

1.50

0.10

14.70

25.30

200.00

72.70

1.10

0.10

16.10

20.40

Demo Board MCL P/N: TB-187+

Suggested PCB Layout (PL-049)

Outline Drawing

Outline Dimensions (

)

inch

mm

PCB Land Pattern

Suggested Layout,

Tolerance to be within ±.002

A

B

C

D

E

F

G

0.75

0.38

0.28

0.01

0.05

0.02

0.2

19.05

9.65

7.11

0.25

1.27

0.51

5.08

H

J

K

M

N

P

wt

0.075

0.6

0.45

0.47

0.1

0.15 grams

1.91 15.24 11.43 11.94

2.54

3.81

1.60

Permanent damage may occur if any of these limits are exceeded.

Electrical Specifications

Parameter

F#

Frequency (MHz)

Min.

Typ.

Max.

Unit

Pass Band

Insertion Loss

DC-F1

DC-8

—

—

1.0

dB

Freq. Cut-Off

F2

9.2

—

3.0

—

dB

VSWR

DC-F1

DC-8

—

1.7

—

:1

Stop Band

Rejection Loss

F3-F4

12.5-16.5

20

—

—

dB

F4-F5

16.5-200

40

—

—

dB

VSWR

F3-F5

12.5-200

—

18

—

:1

Electrical Schematic

Typical Frequency Response

DC

F1 F2

F3

F4

F5

40

20

3

1

FREQUENCY

R F IN

R F OUT

CASE STYLE: YY161

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications