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IF Transformers

Intermediate Frequency (IF) transformers are electronic components used in radio receivers and transmitters to filter and amplify the intermediate frequency signal.

The IF frequency is the frequency to which the incoming radio signal is down-converted before being demodulated and amplified. The IF frequency is typically a fixed value, such as 455 kHz or 10.7 MHz, depending on the design of the radio.

IF transformers consist of one or more coils wound around a magnetic core. The coils are tuned to the IF frequency and have a specific impedance that matches the impedance of the circuit they are connected to. The magnetic core is made of a high-permeability material, such as ferrite or powdered iron, to improve the coupling between the coils and reduce losses.

The IF transformer is typically located between the RF (Radio Frequency) amplifier and the demodulator stage of the radio circuit. The RF amplifier amplifies the incoming radio signal and feeds it to the mixer stage, where it is mixed with the local oscillator frequency to generate the IF signal. The IF transformer then filters and amplifies the IF signal before it is demodulated and processed further.

IF transformers are critical components in radio circuits, and their performance can affect the sensitivity, selectivity, and frequency response of the radio. Proper selection and tuning of IF transformers are essential to achieve optimal radio performance.

IF transformers are available in various types and configurations, including variable and fixed inductance, and adjustable or fixed capacitance. The choice of IF transformer depends on the specific requirements of the radio circuit, such as the IF frequency, bandwidth, and selectivity.

IF Transformers
Part RoHS Manufacturer Description Transformer Type Mounting Feature Manufacturer Series Impedance (Secondary) Packing Method Dimensions Maximum Operating Temperature Minimum Operating Temperature Height Width Nominal Center Frequency (fo) Length
CP4LBMNP-221M by Sumida

CP4LBMNP-221M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm; Height: 2.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-391M by Sumida

CP4LBMNP-391M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Height: 2.3 mm; Width: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-390M by Sumida

CP4LBMNP-390M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Length: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-181M by Sumida

CP4LBMNP-181M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm; Width: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

2176-T060 by Sumida

2176-T060

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: PG; Height: 8.2 mm; Width: 7.3 mm; Length: 7.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

PG

7.3mm X 7.3mm X 8.2mm

8.2 mm

7.3 mm

10.7 MHz

7.3 mm

2136-023-NP by Sumida

2136-023-NP

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Height: 8.5 mm; Dimensions: L7.8XB7.8XH8.5 (mm); Width: 7.8 mm; Nominal Center Frequency (fo): 10.7 MHz;

IF TRANSFORMER

THROUGH HOLE MOUNTED

L7.8XB7.8XH8.5 (mm)

8.5 mm

7.8 mm

10.7 MHz

7.8 mm

CP4LBMNP-471M by Sumida

CP4LBMNP-471M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

MIF4532F10R7B by TDK

MIF4532F10R7B

TDK

IF TRANSFORMER; Mounting Feature: SURFACE MOUNT; Manufacturer Series: MIF4532; Impedance (Secondary): 1200 OHMS; Nominal Center Frequency (fo): 10.7 MHz; Packing Method: BULK;

IF TRANSFORMER

SURFACE MOUNT

MIF4532

1200 OHMS

BULK

4.5mm X 3.2mm X 2.2mm

2.2 mm

3.2 mm

10.7 MHz

4.5 mm

MIA4532AR455T by TDK

MIA4532AR455T

TDK

IF TRANSFORMER; Mounting Feature: SURFACE MOUNT; Manufacturer Series: MIA4532; Dimensions: 4.5mm X 3.2mm X 2.8mm; Packing Method: TAPE & REEL; Length: 4.5 mm;

IF TRANSFORMER

SURFACE MOUNT

MIA4532

2000 OHMS

TAPE & REEL

4.5mm X 3.2mm X 2.8mm

2.8 mm

3.2 mm

.455 MHz

4.5 mm

CP4LBMNP-180M by Sumida

CP4LBMNP-180M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Height: 2.3 mm; Width: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-470M by Sumida

CP4LBMNP-470M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm; Height: 2.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-331M by Sumida

CP4LBMNP-331M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4L2-150 by Sumida

CP4L2-150

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.55mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.55mm

2.55 mm

4.8 mm

4.8 mm

CP4LBMNP-121M by Sumida

CP4LBMNP-121M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-151M by Sumida

CP4LBMNP-151M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

2178-T044 by Sumida

2178-T044

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: PG; Dimensions: 7.3mm X 7.3mm X 8.2mm; Height: 8.2 mm; Width: 7.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

PG

7.3mm X 7.3mm X 8.2mm

8.2 mm

7.3 mm

7.3 mm

MIF4532F10R7T by TDK

MIF4532F10R7T

TDK

IF TRANSFORMER; Mounting Feature: SURFACE MOUNT; Manufacturer Series: MIF4532; Dimensions: 4.5mm X 3.2mm X 2.2mm; Height: 2.2 mm; Width: 3.2 mm;

IF TRANSFORMER

SURFACE MOUNT

MIF4532

1200 OHMS

TAPE & REEL

4.5mm X 3.2mm X 2.2mm

2.2 mm

3.2 mm

10.7 MHz

4.5 mm

CP4L2-6R8 by Sumida

CP4L2-6R8

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.55 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.55mm

2.55 mm

4.8 mm

4.8 mm

CP4LBMNP-220M by Sumida

CP4LBMNP-220M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Length: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-680M by Sumida

CP4LBMNP-680M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

2177-T074 by Sumida

2177-T074

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: PG; Width: 7.3 mm; Dimensions: 7.3mm X 7.3mm X 8.2mm; Height: 8.2 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

PG

7.3mm X 7.3mm X 8.2mm

8.2 mm

7.3 mm

7.3 mm

S0975881 by Sumida

S0975881

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: PG; Dimensions: 7.3mm X 7.3mm X 8.2mm; Height: 8.2 mm; Width: 7.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

PG

7.3mm X 7.3mm X 8.2mm

8.2 mm

7.3 mm

.455 MHz

7.3 mm

CP4LBMNP-330M by Sumida

CP4LBMNP-330M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Height: 2.3 mm; Width: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4L2-4R8 by Sumida

CP4L2-4R8

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Length: 4.8 mm; Height: 2.55 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.55mm

2.55 mm

4.8 mm

4.8 mm

CP4LBMNP-560M by Sumida

CP4LBMNP-560M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Width: 4.8 mm; Height: 2.3 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-150M by Sumida

CP4LBMNP-150M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm; Height: 2.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-271M by Sumida

CP4LBMNP-271M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-100M by Sumida

CP4LBMNP-100M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm; Width: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-820M by Sumida

CP4LBMNP-820M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

CP4LBMNP-270M by Sumida

CP4LBMNP-270M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

2280-T016 by Sumida

2280-T016

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: PT; Dimensions: 10.3mm X 10.3mm X 9.5mm; Height: 9.5 mm; Length: 10.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

PT

10.3mm X 10.3mm X 9.5mm

9.5 mm

10.3 mm

10.3 mm

CP4LBMNP-101M by Sumida

CP4LBMNP-101M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm; Height: 2.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

FSDVL-1011 by Toko

FSDVL-1011

Toko

IF TRANSFORMER; Mounting Feature: SURFACE MOUNT; Manufacturer Series: FSDVL; Length: 5.1 mm; Width: 5.1 mm; Minimum Operating Temperature: -40 Cel;

IF TRANSFORMER

SURFACE MOUNT

FSDVL

L5.1XB5.1XH2.35 (mm)

105 Cel

-40 Cel

2.35 mm

5.1 mm

85 MHz

5.1 mm

CP4LBMNP-561M by Sumida

CP4LBMNP-561M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Height: 2.3 mm; Width: 4.8 mm; Dimensions: 4.8mm X 4.8mm X 2.3mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm

MIA4532AR455B by TDK

MIA4532AR455B

TDK

IF TRANSFORMER; Mounting Feature: SURFACE MOUNT; Manufacturer Series: MIA4532; Length: 4.5 mm; Nominal Center Frequency (fo): .455 MHz; Width: 3.2 mm;

IF TRANSFORMER

SURFACE MOUNT

MIA4532

2000 OHMS

BULK

4.5mm X 3.2mm X 2.8mm

2.8 mm

3.2 mm

.455 MHz

4.5 mm

CP4LBMNP-120M by Sumida

CP4LBMNP-120M

Sumida

IF TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Manufacturer Series: CP; Dimensions: 4.8mm X 4.8mm X 2.3mm; Length: 4.8 mm; Height: 2.3 mm;

IF TRANSFORMER

THROUGH HOLE MOUNTED

CP

4.8mm X 4.8mm X 2.3mm

2.3 mm

4.8 mm

4.8 mm