Power & Mains Transformers

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Part RoHS Manufacturer Transformer Type Mounting Feature Manufacturer Series Approvals (V) Terminal Finish Power Rating Center Tap Feature-2 No. of Functions No. of Winding (Primary) Isolation Voltage Inductance (Primary) Packing Method Output Current-1 Minimum ET Product Output Current-2 No. of Winding (Secondary) Sub-Category Dimensions Volt-Ampere Rating (VA) Maximum Operating Temperature Center Tap Feature-1 Application Output Voltage-2 Output Voltage-1 Minimum Operating Temperature Nominal Operating Frequency Rating (Primary) Height Width Diameter Nominal Input Voltage (V) Load Resistance Additional Features Minimum Input Voltage (V) JESD-609 Code Minimum Operating Frequency Length Turns Ratio (Np:Ns) Maximum Operating Frequency Maximum Input Voltage (V)

KA4976-ALB

Coilcraft

POWER TRANSFORMER

SURFACE MOUNT

2 W

NO

2

2500 V

63.75 uH

TR

2

125 Cel

NO

15 V

-40 Cel

5.97 mm

8.1 mm

5

10.3 mm

KA4976-ALD

Coilcraft

POWER TRANSFORMER

SURFACE MOUNT

Tin/Silver - Matte Tin - with Nickel barrier

2 W

NO

2

2500 V

63.75 uH

TR, EMBOSSED PLASTIC, 13 INCH

2

125 Cel

NO

15 V

-40 Cel

5.97 mm

8.1 mm

5

10.3 mm

B050LP7JK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

2.08 A

1

76mm X 76mm X 65mm

50 VA

NO

24 V

50/60 HZ

DUAL 120V

65 mm

76 mm

76 mm

B050BTZ13JK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.43 A

1

76mm X 76mm X 65mm

50 VA

NO

115 V

50/60 HZ

DUAL 230V

65 mm

76 mm

76 mm

B050WZ13XK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.43 A

1

76mm X 76mm X 65mm

50 VA

NO

115 V

50/60 HZ

SINGLE 575V

65 mm

76 mm

76 mm

B075BTZ13JK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.65 A

1

76mm X 89mm X 65mm

75 VA

NO

115 V

50/60 HZ

DUAL 230V

65 mm

89 mm

76 mm

B100RFD34XJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.46 A

1

86mm X 91mm X 73mm

100 VA

NO

110 V

50/60 HZ

SINGLE 380/400/415 V

73 mm

91 mm

TAPPING WITH 0.91 A ALSO AVAILABLE

86 mm

ATB322524-0110-T000

TDK

POWER TRANSFORMER

SURFACE MOUNT

NO

500 V

TR, 7 INCH

1

L3.2XB2.5XH2.4 (mm)

85 Cel

NO

-40 Cel

2.4 mm

2.5 mm

TURNS RATIO: 1:10.2

3.2 mm

B050MBT713XK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.44 A

1

76mm X 83mm X 65mm

50 VA

NO

24 V

50/60 HZ

SINGLE 208/230/460 V

65 mm

83 mm

TAPPING WITH 2.08 A ALSO AVAILABLE

76 mm

B100LP7JK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

4.17 A

1

86mm X 86mm X 73mm

100 VA

NO

24 V

50/60 HZ

DUAL 120V

73 mm

86 mm

86 mm

CTX110603-R

Eaton Corporation

POWER TRANSFORMER

SURFACE MOUNT

NO

BULK

.011 A

2

L21.0XB16.5XH5.9 (mm)

6 VA

70 Cel

NO

1340 V

0 Cel

5.9 mm

16.5 mm

21 mm

2212

Amecon

TOROIDAL POWER TRANSFORMER

2212

3.33 A

1

160 VA

60 HZ

6815

Amecon

POWER TRANSFORMER

.268 A

1

7.5 VA

60 HZ

B050PU1519JJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.21 A

1

76mm X 76mm X 65mm

50 VA

NO

120 V

50/60 HZ

DUAL 240V

65 mm

76 mm

TAPPING WITH 0.42 A ALSO AVAILABLE

76 mm

B050PU7JK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

2.08 A

1

76mm X 76mm X 65mm

50 VA

NO

24 V

50/60 HZ

DUAL 240V

65 mm

76 mm

76 mm

B100PU1519JJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.42 A

1

86mm X 86mm X 73mm

100 VA

NO

120 V

50/60 HZ

DUAL 240V

73 mm

86 mm

TAPPING WITH 0.83 A ALSO AVAILABLE

86 mm

B150MBT13XK

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

1.3 A

1

95mm X 106mm X 81mm

150 VA

NO

115 V

50/60 HZ

SINGLE 208/230/460 V

81 mm

106 mm

95 mm

B150PU1519JJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.63 A

1

95mm X 102mm X 81mm

150 VA

NO

120 V

50/60 HZ

DUAL 240V

81 mm

102 mm

TAPPING WITH 1.25 A ALSO AVAILABLE

95 mm

B150RFD34XJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

.69 A

1

95mm X 102mm X 81mm

150 VA

NO

110 V

50/60 HZ

SINGLE 380/400/415 V

81 mm

102 mm

TAPPING WITH 1.37 A ALSO AVAILABLE

95 mm

B500RFD34XJ

Micron Industries

POWER TRANSFORMER

CHASSIS MOUNT

UL; CSA

NO

2.27 A

1

133mm X 137mm X 121mm

500 VA

NO

110 V

50/60 HZ

SINGLE 380/400/415 V

121 mm

137 mm

TAPPING WITH 4.55 A ALSO AVAILABLE

133 mm

C4062

Avel Lindberg

POWER TRANSFORMER

UL

6.63 A

1

530 VA

60 HZ

CTX110607-R

Eaton Corporation

POWER TRANSFORMER

SURFACE MOUNT

NO

BULK

.011 A

2

L21.0XB16.5XH5.9 (mm)

6 VA

70 Cel

NO

1340 V

0 Cel

5.9 mm

16.5 mm

21 mm

JA4650-BLD

Coilcraft

POWER TRANSFORMER

SURFACE MOUNT

Tin/Silver - Matte Tin - with Nickel barrier

2 W

NO

2

2500 V

63.75 uH

TR, EMBOSSED PLASTIC, 13 INCH

2

125 Cel

NO

7.5 V

15 V

-40 Cel

5.97 mm

8.1 mm

5

10.3 mm

L-24

Jm Transformer

POWER TRANSFORMER

.8 A

1

60 HZ

PCB MOUNTABLE

N2880-AL

Coilcraft

POWER TRANSFORMER

THROUGH HOLE MOUNTED

N2880-AL

Tin/Silver (Sn/Ag) - Matte Tin (Sn)

NO

500 V

1

48.3mm X 48.3mm X 40.6mm

175 VA

85 Cel

NO

-40 Cel

SINGLE 110/220V

40.6 mm

48.3 mm

TURNS RATIO: 13:1, USED WITH MC33261 AND MC34261

48.3 mm

N2881-AL

Coilcraft

POWER TRANSFORMER

THROUGH HOLE MOUNTED

N2881-AL

Tin/Silver (Sn/Ag)

NO

500 V

1

27.9mm X 27.9mm X 24.1mm

80 VA

85 Cel

NO

-40 Cel

SINGLE 110V

24.1 mm

27.9 mm

TURNS RATIO: 12.4:1, USED WITH MC33261 AND MC34261

e2

27.9 mm

PA6547-ALD

Coilcraft

POWER TRANSFORMER

SURFACE MOUNT

AEC-Q200

Tin/Silver - Matte Tin - with Nickel barrier

NO

2500 V

TR, EMBOSSED PLASTIC, 13 INCH

2

125 Cel

NO

3.3 V

5 V

-40 Cel

DUAL 5V

5.97 mm

8.1 mm

5

10.3 mm

PA6549-ALD

Coilcraft

POWER TRANSFORMER

SURFACE MOUNT

AEC-Q200

NO

2500 V

TR, EMBOSSED PLASTIC, 13 INCH

2

125 Cel

NO

12 V

15 V

-40 Cel

DUAL 5V

5.97 mm

8.1 mm

5

10.3 mm

STM1697622

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

90 V

-55 Cel

60 HZ

RTM1696618

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

SMT1687622

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

90 V

-55 Cel

60 HZ

RTM1686618

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STM1736612

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

90 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STM1686612

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

90 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STM1696612

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

90 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STM1737622

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

90 V

-55 Cel

60 HZ

RTM173661B

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

114.3 mm

STM1687622

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

90 V

-55 Cel

60 HZ

STM1736611

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STMI736611

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

114.3 mm

STM1686611

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

STMI736612

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

90 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

114.3 mm

RTM1736614

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

26 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

RTMI736614

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

26 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

114.3 mm

STM1696611

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

RTMI736618

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

500 V

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

114.3 mm

RTM1736613

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

RTM1736618

Analog Devices

POWER TRANSFORMER

THROUGH HOLE MOUNTED

GOLD

500 V

L114.3XB50.8XH38.1 (mm)

5 VA

105 Cel

11.8 V

-55 Cel

400 HZ

38.1 mm

50.8 mm

e4

114.3 mm

Power & Mains Transformers

Power and mains transformers are types of electrical transformers used in power transmission and distribution systems to convert high voltage and low current to low voltage and high current or vice versa. They are essential components in the electricity grid, and are used to step up or step down voltage levels for efficient transmission and distribution of electrical energy.

Power transformers are used in high voltage transmission systems, typically at voltages of 110 kV and above, to step up or step down the voltage levels. They have a high power rating, typically ranging from several hundred kVA to several thousand MVA, and are designed to handle high currents and voltages without overheating or breaking down. Power transformers are typically oil-immersed, and use a magnetic core made of laminated steel to reduce losses and improve efficiency.

Mains transformers, also known as distribution transformers, are used in low voltage distribution systems, typically at voltages of 11 kV or below, to step down the voltage levels for use by consumers. They have a lower power rating than power transformers, typically ranging from several kVA to several hundred kVA, and are designed to operate at lower voltages and currents. Mains transformers are typically dry-type, and use a magnetic core made of laminated steel or ferrite to reduce losses and improve efficiency.

Both power and mains transformers require proper design, selection, and maintenance to ensure reliable and efficient operation. They are subject to various standards and regulations, such as IEC (International Electrotechnical Commission) and IEEE (Institute of Electrical and Electronics Engineers), to ensure their safety and performance. Proper installation and maintenance of transformers, such as regular inspection, testing, and oil analysis, are also critical to ensure their longevity and performance.