Hammond 166E12 1.8VA 12V Center-Tapped Transformer, 150mA
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Create Free Business AccountKey Features
- Secondary rated 12 C.T. (RMS VAC) at 0.15 A
- 1.8 VA power rating from a 115 V, 60 Hz single primary
- Open-style channel bracket for two-hole chassis mounting
- Dual bobbin design; no electrostatic shield required
- Class B insulation (130 degrees C); UL listed as a Class A (105 degrees C) design
- Hi-Pot tested at 2,000 V RMS; minimum 6 in long leads
- UL listed and CSA certified; RoHS and REACH compliant
The 166E12 is a 1.8 VA low-voltage transformer (POWER TX 115VAC - 12V@.15A) with a 115 V, 60 Hz single primary and a 12 V C.T. secondary rated 0.15 A. It is a compact choice for 12 V class control and signal circuits.
As a 166 Series part it uses an economical single-primary design, an open-style channel bracket for two-hole chassis mounting, and minimum 6 in long leads. The dual bobbin construction means no electrostatic shield is required. Windings use Class B insulation (130 degrees C) for extra protection, although the design is UL listed as a Class A (105 degrees C) design, and each unit is Hi-Pot tested at 2,000 V RMS.
The series ordering table lists the 166E12 at 2.06 in (52 mm) for dimension A, 1.38 in (35 mm) for B, 1.19 in (30 mm) for C and 1.75 in (44 mm) for D, with a 0.19 in (5 mm) mounting dimension. Shipping weight is 0.3 lbs (0.14 kg).
- Power rating: 1.8 VA
- Primary: 115 V, 60 Hz
- Secondary: 12 C.T. (RMS VAC) at 0.15 A
- Shipping weight: 0.3 lbs (0.14 kg)
The 166 Series is UL listed and CSA certified, and the 166E12 is listed as RoHS and REACH compliant. Identifiers include UPC 623980222356 and UNSPSC 39121301.
Ideal For
- 12 V C.T. low-current supplies
- Low-voltage filament and indicator supplies
- Small power supplies for 115 V, 60 Hz equipment
- Center-tapped secondary circuits
Mounting
| Mounting Ref | C |
| Mounting Style | Open style, channel bracket, two hole chassis mount |
| Mounting Dimension | 0.19 in (5 mm) |
Overview
| Series | 166 Series - Low Voltage/Filament, Economical Single Primary, Open Style Chassis Mount (0.63 VA to 288 VA) |
| Short Description | POWER TX 115VAC - 12V@.15A |
Dimensions
| Overall Dimension A | 2.06 in (52 mm) |
| Overall Dimension B | 1.38 in (35 mm) |
| Overall Dimension C | 1.19 in (30 mm) |
| Overall Dimension D | 1.75 in (44 mm) |
Electrical
| Primary | 115V 60 Hz., single primary |
| Insulation | Class B (130 degrees C); UL listed as a Class A (105 degrees C) design |
| Hi-Pot Test | 2,000V RMS |
| Power Rating | 1.8 VA |
| Winding Design | Dual bobbin - no electrostatic shield required |
| Secondary Current (RMS) | 0.15 A |
| Secondary Voltage (RMS VAC | 12 C.T. |
Identifiers
| UPC | 623980222356 |
| UNSPSC | 39121301 |
| Part Number | 166E12 |
Packaging & Shipping
| Shipping Weight | 0.3 lbs (0.14 kg) |
Construction & Finish
| Leads | Minimum 6" long leads |
| Style | Open style |
Compliance & Certifications
| UL | UL listed |
| CSA | CSA certified |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the 166E12 rated for?▾
The 166E12 is rated 1.8 VA, with a 12 V C.T. secondary at 0.15 A from a 115 V, 60 Hz primary.
What primary voltage does the 166E12 use?▾
The 166E12 has a single 115 V, 60 Hz primary.
How is the 166E12 mounted?▾
It is an open-style transformer with a channel bracket for two-hole chassis mounting; the ordering table lists dimension D as 1.75 in (44 mm) and a mounting dimension of 0.19 in (5 mm).
What insulation class does the 166E12 use?▾
The 166 Series uses Class B insulation (130 degrees C) for extra protection and is UL listed as a Class A (105 degrees C) design.
Is the 166E12 UL listed and RoHS compliant?▾
Yes. The 166 Series is UL listed and CSA certified, and this part is listed as RoHS and REACH compliant.
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