Hammond 160G28 10VA 28V Center-Tapped Dual Primary PCB Transformer
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Create Free Business AccountKey Features
- 10 VA rating with 28V C.T. @ 360ma secondary (series connection)
- Parallel secondary connection delivers 14V @ 720ma
- Universal dual 115/230V primary, 50/60 Hz
- Vertical PC board mount, split bobbin, non-concentric wound
- Low primary-to-secondary coupling - no electrostatic shield required
- Class B insulation (130 degrees C), hipot 2,000V RMS
- CSA certified (File # LR3902) and UL recognized (File #E207860)
- RoHS and REACH compliant
The 160G28 is a low voltage, vertical PC board mount power transformer with a universal dual 115/230V primary rated for 50/60 Hz. Rated 10 VA, it is intended for board-level linear supplies, instrumentation and control products built for both 115V and 230V markets.
The secondary is made of two windings. Connected in series they deliver 28V C.T. @ 360ma; connected in parallel they deliver 14V @ 720ma. The 28V center-tapped secondary is one of 20 output voltages the series offers between 5 and 120VAC RMS.
At 10 VA the transformer is non-concentric wound. Its 160 series mechanical data lists overall dimensions of 1.94 x 1.44 x 1.69 in (A x B x C), D pins at 0.02 x 0.04 in, F pins at 0.03 x 0.19 in, and dimensions H 1.89 in and J 0.57 in; shipping weight is 0.55 lbs (0.25 kg). For 115V, 60 Hz-only designs the ordering table lists 161G28.
Construction uses a split bobbin with low primary-to-secondary coupling, so no electrostatic shield is required. Insulation is Class B (130 degrees C) and hipot tested to 2,000V RMS. The series is CSA certified (File # LR3902) and UL recognized (File #E207860), and this part is listed as RoHS and REACH compliant.
Ideal For
- 10 VA PC board mounted power supplies
- Center-tapped or parallel low voltage secondary supply
- Equipment designed for both 115V and 230V mains
- Control and electronic circuit boards needing an isolated AC supply
Overview
| Series | 160-161 Series (Low Voltage PC Board Mount, 0.5 VA to 24 VA) |
| Mounting | P.C. board mount, vertical |
| Description | Transformer, low voltage PCB mount, 115/230V primary, 10VA, 28V C.T. @ 360ma sec |
| Part Number | 160G28 |
| Product Type | Low voltage PC board mount power transformer |
| Short Description | POWER TX 10VA 115/230V |
| Single Primary 115V Equivalent | 161G28 |
Dimensions
| Dimension E | 1.30 in |
| Dimension G | 0.25 in |
| Dimension H | 1.89 in |
| Dimension J | 0.57 in |
| Overall Dimension A | 1.94 in |
| Overall Dimension B | 1.44 in |
| Overall Dimension C | 1.69 in |
| D Pin (Thickness X Width) | 0.02 x 0.04 in |
| F Pin (Thickness X Width) | 0.03 x 0.19 in |
Electrical
| Hipot | 2,000V RMS |
| Primary | Dual primary 115/230V |
| Frequency | 50/60 Hz |
| Power Rating (VA) | 10 |
| Secondary (RMS) Series | 28V C.T. @ 360ma |
| Secondary (RMS) Parallel | 14V @ 720ma |
| Primary To Secondary Coupling | Low - no electrostatic shield required |
Identifiers
| UPC | 623980209302 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 0.55 lbs (0.25 kg) |
Construction & Finish
| Bobbin | Split bobbin design |
| Winding | Non-concentric wound |
| Insulation Class | Class B - 130 degrees C |
Compliance & Certifications
| UL | Recognized (File #E207860) |
| CSA | Certified (File # LR3902) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What output does the 160G28 provide?▾
Its two secondary windings give 28V C.T. @ 360ma when connected in series, or 14V @ 720ma when connected in parallel. The transformer is rated 10 VA.
Can the 160G28 run on 230V?▾
Yes. It has a universal dual primary rated 115/230V at 50/60 Hz.
Does it need an electrostatic shield?▾
No. The split bobbin design has low primary-to-secondary coupling, so no electrostatic shield is required.
What certifications and insulation ratings apply?▾
The series is CSA certified (File # LR3902) and UL recognized (File #E207860), with Class B insulation rated 130 degrees C and a hipot of 2,000V RMS. The part is also listed as RoHS and REACH compliant.
How big is the 160G28?▾
The 160 series mechanical table lists overall dimensions of 1.94 x 1.44 x 1.69 in (A x B x C) for the 10 VA size. Shipping weight is 0.55 lbs (0.25 kg).
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