Hammond 229A12 6VA 12.6V CT Low Profile PCB Transformer
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Create Free Business AccountKey Features
- Universal dual primary 115/230V, 50/60 Hz
- 6 VA: 12.6V C.T. @ 450ma series or 6.3V @ 900ma parallel
- Low profile PC board mount, 1.00 in PC board spacing
- Dual split bobbin, semi-toroidal: low EMF radiation, no electrostatic shield
- Hipot of 1,750V RMS; Class B (130 degrees C) insulation
- C UL US recognized, UL file E207860
- RoHS and REACH compliant
The 229A12 is a 6 VA low-profile power transformer from the 229 Series for printed circuit board mounting. A universal dual primary accepts 115/230V at 50/60 Hz, and the secondary is rated 12.6V C.T. @ 450ma in series or 6.3V @ 900ma in parallel, making it a flexible choice for electronics designers building one board for multiple mains voltages.
The 229A12 provides 12.6 V centre-tapped at 450 mA, or 6.3 V at 900 mA in parallel, from a 6 VA low-profile package.
The design uses a dual split bobbin with semi-toroidal construction, giving low primary to secondary coupling, balanced windings and low EMF radiation, so no electrostatic shield is required. Insulation is Class B (130 degrees C) and the insulation system is hipot rated at 1,750V RMS.
Mechanical data for the 6 VA size: A 1.56 in (40 mm), B 1.88 in (48 mm), C 0.85 in (22 mm), D and D1 0.38 in (10 mm), E 1.60 in (41 mm), with 1.00 in (25 mm) PC board spacing and 0.02 x 0.04 in (1 x 1 mm) pins. Regulation is listed at 30% for this size. Shipping weight is 0.28 lbs (0.13 kg).
The 229 Series is C UL US recognized under UL file E207860, and the 229A12 is RoHS and REACH compliant.
Ideal For
- On-board 12.6V centre-tapped or 6.3V supply
- PC boards designed for both 115 V and 230 V mains
- Low-profile enclosures with limited board height
- Low-EMF power stages near sensitive circuitry
Overview
| Series | 229 Series |
| Description | Transformer, PCB mount, low profile, 6VA, 12.6V C.T. @ 450ma, 6.3V @ 900ma, 229 Series |
| Product Type | Power transformer, PCB mount, low profile, dual primary |
| Short Description | TX 115/230V 6VA 50/60HZ |
Dimensions
| Pin Size | 0.02 in x 0.04 in (1 mm x 1 mm) |
| Dimension A | 1.56 in (40 mm) |
| Dimension B | 1.88 in (48 mm) |
| Dimension C | 0.85 in (22 mm) |
| Dimension D | 0.38 in (10 mm) |
| Dimension E | 1.60 in (41 mm) |
| Dimension D1 | 0.38 in (10 mm) |
| PC Board (Card) Spacing | 1.00 in (25 mm) |
Electrical
| Hipot | 1,750V RMS |
| Primary | Universal dual primary 115/230V, 50/60 Hz |
| Regulation | 30% |
| Power Rating | 6 VA |
| Secondary (RMS) Series | 12.6V C.T. @ 450ma |
| Secondary (RMS) Parallel | 6.3V @ 900ma |
Identifiers
| UPC | 623980268507 |
| UNSPSC | 39121301 |
| Part Number | 229A12 |
Packaging & Shipping
| Shipping Weight | 0.28 lbs (0.13 kg) |
Construction & Finish
| Design | Low profile, dual split bobbin, semi-toroidal |
| Mounting | PC board mount |
| Insulation Class | Class B (130 degrees C) |
| Coupling / Shielding | Low primary to secondary coupling, balanced windings, no electrostatic shield required, low EMF radiation |
Compliance & Certifications
| UL | C UL US recognized, UL file E207860 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What voltages does the 229A12 accept?▾
It has a universal dual primary for 115/230V at 50/60 Hz.
What are the outputs of the 229A12?▾
With the secondary windings in series it delivers 12.6V C.T. @ 450ma; in parallel it delivers 6.3V @ 900ma, for a 6 VA rating.
How tall and how large is the 229A12?▾
It is a low-profile PC board mount part. The 6 VA mechanical data lists A 1.56 in (40 mm), B 1.88 in (48 mm), C 0.85 in (22 mm), D and D1 0.38 in (10 mm), E 1.60 in (41 mm), with 1.00 in (25 mm) PC board spacing and 0.02 x 0.04 in (1 x 1 mm) pins.
Is the 229A12 UL recognized?▾
Yes. The 229 Series is C UL US recognized under UL file E207860.
Does it need an electrostatic shield?▾
No. The semi-toroidal, dual split bobbin design gives low primary to secondary coupling and balanced windings, so no electrostatic shield is required.
What is the regulation of the 229A12?▾
Regulation for the 6 VA size is listed at 30%.
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