Hammond 161H120 24VA 120V CT Vertical PCB Transformer, 115V
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Create Free Business AccountKey Features
- 24 VA power rating, 115V single primary for 60 Hz operation only
- Secondary 120V C.T. @ 200ma in series or 60V @ 400ma in parallel (RMS)
- Vertical P.C. board mount, split bobbin design
- 24 VA size is non-concentric wound; low primary-to-secondary coupling, no electrostatic shield required
- Hipot of 2,000V RMS and Class B insulation rated 130 degrees C
- CSA certified (File # LR3902) and UL recognized (File #E207860)
- RoHS and REACH compliant
- Dual-primary 115/230V, 50/60 Hz equivalent: 160H120
The 161H120 is a low voltage, P.C. board mount vertical power transformer from the 160-161 Series, built for OEM engineers and designers who need a board-level AC supply from a 115V line. It is rated 24 VA with a single 115V primary for 60 Hz operation only, the economical single-primary version of the dual-primary (115/230V, 50/60 Hz) part 160H120.
It provides 120V centre-tapped at 200 mA, or 60V at 400 mA in parallel, the highest secondary voltage offered in the 24 VA size. Secondary ratings are given in RMS values.
Construction is a vertical mount, split bobbin design, and the 24 VA size in this series is non-concentric wound. Low primary to secondary coupling means no electrostatic shield is required. Insulation is Class B (130 degrees C) with a hipot rating of 2,000V RMS.
In the series mechanical data for the 161 Series, the 24 VA size lists overall dimensions A 1.63 in, B 2.25 in and C 1.38 in, with a G dimension of 0.40 in. The part ships at 0.82 lbs (0.37 kg). The series is CSA certified (File # LR3902) and UL recognized (File #E207860), and the 161H120 is listed as RoHS and REACH compliant.
Ideal For
- P.C. board mounted 120V centre-tapped AC supply
- 60V low voltage secondary with parallel-connected windings
- 115V 60 Hz equipment power supplies
- OEM circuit board designs requiring a vertical-mount transformer
Overview
| Series | 160-161 Series (161 = single primary 115V) |
| Description | Transformer, low voltage PCB mount, 115V primary, 24VA, 120V C.T. @ 200ma sec |
| Product Type | Transformer, low voltage PCB mount |
| Short Description | POWER TX 24VA 115V |
| Dual Primary Equivalent (115/230V) | 160H120 |
Dimensions
| Dimension E | 2.10 in |
| Dimension G | 0.40 in |
| Dimension D Width | 0.04 in |
| Dimension D Thickness | 0.02 in |
| Dimension A (Overall, 24 VA) | 1.63 in |
| Dimension B (Overall, 24 VA) | 2.25 in |
| Dimension C (Overall, 24 VA) | 1.38 in |
Electrical
| Hipot | 2,000V RMS |
| Frequency | 60 Hz only |
| Power Rating | 24 VA |
| Primary Voltage | 115V, single primary |
| Insulation Class | Class B, 130 degrees C |
| Electrostatic Shield | Not required (low primary to secondary coupling) |
| Secondary (RMS) Series | 120V C.T. @ 200ma |
| Secondary (RMS) Parallel | 60V @ 400ma |
Identifiers
| UPC | 623980214436 |
| UNSPSC | 39121301 |
| Part Number | 161H120 |
Packaging & Shipping
| Shipping Weight | 0.82 lbs (0.37 kg) |
Construction & Finish
| Bobbin | Split bobbin design |
| Winding | Non-concentric wound (1.2, 4.4, 10, 24 VA models) |
| Mounting | P.C. board mount, vertical |
Compliance & Certifications
| UL | UL recognized (File #E207860) |
| CSA | CSA certified (File # LR3902) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What primary voltage and frequency does the 161H120 accept?▾
The 161H120 has a single 115V primary and is specified for 60 Hz only. For 115/230V, 50/60 Hz operation the matching dual-primary part is 160H120.
What output does the 161H120 provide?▾
It is rated 24 VA with a secondary of 120V C.T. @ 200ma in series, or 60V @ 400ma with the secondary connected in parallel (RMS values).
Does it need an electrostatic shield?▾
No. The series has low primary to secondary coupling, so no electrostatic shield is required.
What insulation and hipot ratings apply?▾
Class B insulation rated 130 degrees C and a hipot of 2,000V RMS.
Is the 161H120 certified?▾
The 160-161 Series is CSA certified (File # LR3902) and UL recognized (File #E207860), and this part is listed as RoHS and REACH compliant.
How much does it weigh for shipping?▾
The shipping weight is 0.82 lbs (0.37 kg).
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