TDK CU Series User Manual

Circulators/Isolators
For Base-station, Ferrite Substrate Type

CU Series

FEATURES

• Ferrite substrate type circulator and isolator installed on

microwave IC with the same characteristics as a connector type.

(1/1)

PRODUCT IDENTIFICATION

Type name

∗a

: Direction of circulation. Fill in with a letter A or B.

∗a ∗b ∗c -∗d ∗f

A: CW (clock-wise)

SHAPES/INPUT AND OUTPUT TERMINAL POSITIONS

BB

B: C·CW (counter clock-wise)

∗b

: Bandwidth

3: Wide bandwidth

∗c

: Connector type

A C

Fig.1

L: Strip-line type

∗d

: Center frequency (nominal frequency)

∗f

: Input and output terminal position

C: Circulator specification
S, T, U: Isolator specification (Type T: Standard type)

Resistor

Type S

Type T

Resistor

Type U

Resistor

A

Fig.3

ELECTRICAL CHARACTERISTICS

Par t No.

Circulator Isolator

CU965T∗a3L-39C CU965T∗a3L-39∗f3.7 to 4.2
CU965T 3L-43C CU965T 3L-43 4.0 to 4.6
CU965T 3L-47C CU965T 3L-47 4.4 to 5.0
CU965T 3L-55C CU965T 3L-55 5.0 to 6.0
CU965T 3L-60C CU965T 3L-60 5.6 to 6.5
CU965T 3L-67C CU965T 3L-67 6.3 to 7.2
CU965T 3L-75C CU965T 3L-75 7.1 to 7.9
CU965T 3L-81C CU965T 3L-81 7.6 to 8.6
CU965Y 3L-39C CU965Y 3L-39 3.7 to 4.2
CU965Y 3L-43C CU965Y 3L-43 4.0 to 4.6
CU965Y 3L-47C CU965Y 3L-47 4.4 to 5.0
CU965Y 3L-55C CU965Y 3L-55 5.0 to 6.0
CU965Y 3L-60C CU965Y 3L-60 5.6 to 6.5
CU965Y 3L-67C CU965Y 3L-67 6.3 to 7.2
CU965Y 3L-75C CU965Y 3L-75 7.1 to 7.9
CU965Y 3L-81C CU965Y 3L-81 7.6 to 8.6

CU96M 3L-65T 5.8 to 7.2

CU96M 3L-79T 7.2 to 8.6
CU96S 3L-65T 5.8 to 7.2

CU96S 3L-79T 7.2 to 8.6

CU9106 3L-95T 9.0 to 10.0

CU9129 3L-131T 11.7 to 14.5
CU9129 3L-150T 14.5 to 15.4

• Product identifications ∗d: 39 means nominal frequency (Example: 39→ 3.9GHz/150→ 15.0GHz)

Frequency
range
(GHz)

Isolation
(dB)
min.

18
(17)

18
(17)

20 0.4 1.2 10 2 12× 10× 1.8 –10 to +60 4 3CU96M 3L-70T 6.3 to 7.6

20 0.4 1.2 10 10 12× 10× 1.8 –10 to +60 4 3CU96S 3L-70T 6.3 to 7.6

18
(17)

18 0.6 1.3 3 0.25 7× 7×1.65 –30 to +70 3 4

Insertion
loss
(dB)
max.

0.6
(0.65)

0.6
(0.65)

0.6
(0.65)

VSWR
max.
Z0=50Ω

1.3
(1.35)

1.3
(1.35)

1.3
(1.35)

Maximum
handling
power
(W)

40.2516× 16× 1.5

40.2516× 16× 1.5

20.1 10× 10× 1.65

C

Capacity of
built-in
dummy
load (W)

B

A C

B

A C

Dimensions
(mm)
A× B× C

Fig.2

Fig.4

Temperature
range (°C)

–10 to +50
(–30 to +70)

–10 to +50
(–30 to +70)

–10 to +50
(–30 to +70)

Weight

Fig.

(g)

61

62

44

• TDK will be pleased to submit quotations on any customer’s requirements which are not included in this data.
Please contact our branch office or representative.

• All specifications are subject to change without notice.

002-02 / 20070621 / e773_cu.fm