FREQUENCY

(MHz)

INSERTION

LOSS

(dB)

INPUT

R. LOSS

(dB)

Ω

RATIO

(Secondary/Primary)

FREQUENCY

(MHz)

INSERTION LOSS*

3 dB

MHz

2 dB

MHz

1 dB

MHz

8

2-500

2-500

5-400

10-100

* Insertion Loss is referenced to mid-band loss, 0.8 dB typ.

50

Ω

2 to 500 MHz

RF Transformer

Maximum Ratings

Pin Connections

Operating Temperature

-20°C to 85°C

Storage Temperature

-55°C to 100°C

RF Power

0.25W

DC Current

30mA

Transformer Electrical Specifications

REV. E

M151107

TCM8-1+

ED-8235/1

IG/TD/CP/AM

151012

Typical Performance Data

PRIMARY DOT

6

PRIMARY

4

SECONDARY DOT

3

SECONDARY

1

SECONDARY CT

2

NOT USED

5

Features

• wide bandwidth, 2 to 500 MHz

• good return loss

• excellent amplitude unbalance, 0.1 dB typ. and phase

unbalance, 2 deg typ. in 1 dB bandwidth

• plastic base with solder plated leads

• aqueous washable

Applications

• impedance matching

Surface Mount

A

BC

D

E

F

.160

.150

.160

.050

.040

.025

4.06

3.81

4.06

1.27

1.02

0.64

G

H

J

K

wt

.028

.065

.190

.030

grams

0.71

1.65

4.83

0.76

0.15

Outline Dimensions (

)

inch

mm

Outline Drawing

Config. A

2.00

1.36

20.96

5.00

1.11

27.44

10.00

1.07

32.00

30.00

1.13

31.42

50.00

1.17

28.33

100.00

1.24

22.86

200.00

1.35

16.51

300.00

1.67

12.66

400.00

2.27

9.85

500.00

2.72

7.79

TCM8-1

INSERTION LOSS

0.0

1.0

2.0

3.0

4.0

5.0

0

100

200

300

400

500

FREQUENCY (MHz)

TCM8-1

INPUT RETURN LOSS

0

10

20

30

40

50

0

100

200

300

400

500

FREQUENCY (MHz)

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

Lead #1 identifier shall be located in the cross-hatched area shown.

Identifier may be either a molded or marked feature.

Suggested Layout,

Tolerance to be within ±.002

PCB Land Pattern

TCM8-1+

CASE STYLE: DB714

Available Tape and

Reel

at no extra cost

Reel Size

Devices/Reel

7”

20, 50, 100, 200, 500

13”

1000, 2000

Benefits

• Allows faster pick-and-place

• Enables visual identification marking

+RoHS Compliant

The +Suffix identifies RoHS Compliance. See our web site

for RoHS Compliance methodologies and qualifications

TCM8-1X+

Upgraded

Version*

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

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