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SplitZtran

Split Bobbin Printed Circuit Power Transformer
Series: SZ-24

Standard Models        Schematics        Dimensions        Cross reference   

SplitZtran photo
  • Single Primary - 24V, 50/60Hz
  • High isolation - 2500Vrms hipot
  • Low capacitive coupling - no electrostatic shield needed
  • PC pins for direct insertion in PC boards
  • Class B insulation - 130°C
  • Applications include HVAC-R Instrumentation and low-input voltage
  • Designed to meet UL/CSA

The SplitZtran is the most compact printed circuit mount power transformer requiring minimum surface area for the VA rating. The split bobbin (three flange) design allows the primary and secondary to be wound non-concentrically ie, side by side rather than one over the other. This assures high isolation and capacitive coupling between the windings, eliminating the need for electrostatic shield.

Applications

The SplitZtran is ideal for critical surface area PC board designs. Applications include

Schematics
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NOTE:
SZ_24 transformers provide 24V single primary (8 pin design, connect pins 1&4 for 24V input)
(This transformer series may also be designed to accommodate 12V input. Please contact factory for details)

 Mechanical Drawings
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SZ mechanical drwawing

Dimensions
  Size    VA    L    W     H    ML    A    B    C    Lbs  
21.11 3/81 1/815/16-.250.2501.2000.17
32.41 3/81 1/81 3/16-.250.2501.2000.25
46.01 5/81 5/161 5/161 1/16.250.3501.2800.44
5121 7/81 9/161 7/161 1/4.300.4001.4100.70
6202 1/41 7/81 7/161 1/2.300.4001.6000.80
7362 5/82 3/161 9/16*.400.4001.8501.10

* 4 corner mounting holes 2.187 x 1.750 centers.

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Standard Models

Voltage Selection Guide:
10volts    12volts    16volts       20volts       24volts       28volts       36volts       48volts       56volts       120volts   

Part NumberSecondary RMS Rating
Single 24V
6 Pin		IndividualSeriesParallel
                                    Series: 10 Volts    and    Parallel: 5 Volts                                     Back
SZ2-10-245V @ 0.11A10VCT @ 0.11A5V @ 0.22A
SZ3-10-245V @ 0.25A10VCT @ 0.25A5V @ 0.5A
SZ4-10-245V @ 0.6A10VCT @ 0.6A5V @ 1.2A
SZ5-10-245V @ 1.2A10VCT @ 1.2A5V @ 2.4A
SZ6-10-245V @ 2.0A10VCT @ 2.0A5V @ 4.0A
SZ7-10-245V @ 3.6A10VCT @ 3.6A5V @ 7.2A
                                    Series: 12.6 Volts    and    Parallel: 6.3 Volts                                     Back
SZ2-12-246.3V @ 0.09A12.6VCT @ 0.09A6.3V @ 0.18A
SZ3-12-246.3V @ 0.2A12.6VCT @ 0.2A6.3V @ 0.4A
SZ4-12-246.3V @ 0.5A12.6VCT @ 0.5A6.3V @ 1.0A
SZ5-12-246.3V @ 1.0A12.6VCT @ 1.0A6.3V @ 2.0A
SZ6-12-246.3V @ 1.6A12.6VCT @ 1.6A6.3V @ 3.2A
SZ7-12-246.3V @ 2.85A12.6VCT @ 2.85A6.3V @ 5.7A
                                    Series: 16 Volts    and    Parallel: 8 Volts                                     Back
SZ2-16-248V @ 0.07A16VCT @ 0.07A8V @ 0.14A
SZ3-16-248V @ 0.15A16VCT @ 0.15A8V @ 0.30A
SZ4-16-248V @ 0.40A16VCT @ 0.40A8V @ 0.80A
SZ5-16-248V @ 0.80A16VCT @ 0.80A8V @ 1.60A
SZ6-16-248V @ 1.25A16VCT @ 1.25A8V @ 2.5A
SZ7-16-248V @ 2.25A16VCT @ 2.25A8V @ 4.5A
                                    Series: 20 Volts    and    Parallel: 10 Volts                                     Back
SZ2-20-2410V @ 0.055A20VCT @ 0.055A10V @ 0.11A
SZ3-20-2410V @ 0.12A20VCT @ 0.12A10V @ 0.24A
SZ4-20-2410V @ 0.30A20VCT @ 0.30A10V @ 0.60A
SZ5-20-2410V @ 0.60A20VCT @ 0.60A10V @ 1.20A
SZ6-20-2410V @ 1.00A20VCT @ 1.00A10V @ 2.00A
SZ7-20-2410V @ 1.80A20VCT @ 1.80A10V @ 3.60A
                                    Series: 24 Volts    and    Parallel: 12 Volts                                     Back
SZ2-24-2412V @ 0.045A24VCT @ 0.045A12V @ 0.09A
SZ3-24-2412V @ 0.10A24VCT @ 0.10A12V @ 0.20A
SZ4-24-2412V @ 0.25A24VCT @ 0.25A12V @ 0.50A
SZ5-24-2412V @ 0.50A24VCT @ 0.50A12V @ 1.00A
SZ6-24-2412V @ 0.80A24VCT @ 0.80A12V @ 1.60A
SZ7-24-2412V @ 1.50A24VCT @ 1.50A12V @ 3.00A
                                    Series: 28 Volts    and    Parallel: 14 Volts                                     Back
SZ2-28-2414V @ 0.04A28VCT @ 0.04A12V @ 0.08A
SZ3-28-2414V @ 0.085A28VCT @ 0.85A14V @ 0.17A
SZ4-28-2414V @ 0.20A28VCT @ 0.20A14V @ 0.40A
SZ5-28-2414V @ 0.42A28VCT @ 0.42A14V @ 0.84A
SZ6-28-2414V @ 0.70A28VCT @ 0.70A14V @ 1.40A
SZ7-28-2414V @ 1.30A28VCT @ 1.30A14V @ 2.60A
                                    Series: 36 Volts    and    Parallel: 18 Volts                                     Back
SZ2-36-2418V @ 0.03A36VCT @ 0.03A18V @ 0.06A
SZ3-36-2418V @ 0.065A36VCT @ 0.065A18V @ 0.13A
SZ4-36-2418V @ 0.17A36VCT @ 0.17A18V @ 0.34A
SZ5-36-2418V @ 0.35A36VCT @ 0.35A18V @ 0.70A
SZ6-36-2418V @ 0.55A36VCT @ 0.55A18V @ 1.10A
SZ7-36-2418V @ 1.00A36VCT @ 1.00A18V @ 2.00A
                                    Series: 48 Volts    and    Parallel: 24 Volts                                     Back
SZ2-48-2424V @ 0.023A48VCT @ 0.023A24V @ 0.046A
SZ3-48-2424V @ 0.05A48VCT @ 0.05A24V @ 0.10A
SZ4-48-2424V @ 0.125A48VCT @ 0.125A24V @ 0.25A
SZ5-48-2424V @ 0.25A48VCT @ 0.25A24V @ 0.50A
SZ6-48-2424V @ 0.40A48VCT @ 0.40A24V @ 0.80A
SZ7-48-2424V @ 0.75A48VCT @ 0.75A24V @ 1.50A
                                    Series: 56 Volts    and    Parallel: 28 Volts                                     Back
SZ2-56-2428V @ 0.02A56VCT @ 0.02A28V @ 0.04A
SZ3-56-2428V @ 0.045A56VCT @ 0.045A28V @ 0.09A
SZ4-56-2428V @ 0.11A56VCT @ 0.11A28V @ 0.22A
SZ5-56-2428V @ 0.22A56VCT @ 0.22A28V @ 0.44A
SZ6-56-2428V @ 0.35A56VCT @ 0.35A28V @ 0.70A
SZ7-56-2428V @ 0.65A56VCT @ 0.65A28V @ 1.30A
                                    Series: 120 Volts    and    Parallel: 60 Volts                                     Back
SZ2-120-2460V @ 0.01A120VCT @ 0.01A60V @ 0.02A
SZ3-120-2460V @ 0.02A120VCT @ 0.02A60V @ 0.04A
SZ4-120-2460V @ 0.05A120VCT @ 0.05A60V @ 0.10A
SZ5-120-2460V @ 0.10A120VCT @ 0.10A60V @ 0.20A
SZ6-120-2460V @ 0.16A120VCT @ 0.16A60V @ 0.32A
SZ7-120-2460V @ 0.30A120VCT @ 0.30A60V @ 0.60A
Ask for specials. Use our on-line custom transformer design form or contact us.
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