Hammond 166B18 0.54VA 9/18V Dual-Rated Low Voltage Transformer
Ships from and sold by A5 IT
Exclusive pricing and Net-30 terms. Sign in or create a free account.
Create Free Business AccountKey Features
- Secondary rated 9/18 C.T. (RMS VAC) at .06/.03 A
- 0.54 VA power rating from a 115 V, 60 Hz single primary
- Open-style channel bracket for two-hole chassis mounting
- 1.75 in (44.5 mm) hole-to-hole mounting, 0.187 in (4.7 mm) holes
- 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 166B18 is the lowest-rated part in this group at 0.54 VA: a 115 V, 60 Hz single-primary transformer whose secondary is rated 9/18 V C.T. at .06/.03 A. The short description calls it a 9 V at .06 A power transformer, suited to low-power control, sensing 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 166B18 drawing shows black primary leads and green secondary leads with a green/yellow lead on the secondary side.
The 166B18 measures 2.06 in (52.3 mm) by 1.25 in (31.8 mm) by 1.19 in (30.2 mm) overall, with 1.75 in (44.5 mm) hole-to-hole mounting and 0.187 in (4.7 mm) mounting holes, and ships at 0.3 lbs (0.14 kg).
- Power rating: 0.54 VA
- Primary: 115 V, 60 Hz
- Secondary: 9/18 C.T. (RMS VAC) at .06/.03 A
- Shipping weight: 0.3 lbs (0.14 kg)
The 166 Series is UL listed and CSA certified, and the 166B18 is listed as RoHS and REACH compliant. Identifiers include UPC 623980228808 and UNSPSC 39121301.
Ideal For
- Low-current 9 V or 18 V C.T. 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) |
| Mounting Hole Size (Width-wise) | 0.187 in / 4.7 mm |
Overview
| Series | 166 Series - Low Voltage/Filament, Economical Single Primary, Open Style Chassis Mount (0.63 VA to 288 VA) |
| Product Type | Power transformer, low voltage, 115V 60 Hz., 0.54VA, 9/18 C.T., .06/.03A |
| Short Description | POWER TX 115VAC - 9V@.06A |
Dimensions
| Drawing Dimension A | 2.06 in / 52.3 mm |
| Drawing Dimension B | 1.25 in / 31.8 mm |
| Drawing Dimension C | 1.19 in / 30.2 mm |
| Overall Dimension A | 2.06 in (52 mm) |
| Overall Dimension B | 1.25 in (32 mm) |
| Overall Dimension C | 1.19 in (30 mm) |
| Drawing Dimension D (Hole-to-Hole Mounting) | 1.75 in / 44.5 mm |
| Overall Dimension D (Hole-to-Hole Mounting) | 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 | 0.54 VA |
| Winding Design | Dual bobbin - no electrostatic shield required |
| Secondary Current (RMS) | .06/.03 A |
| Secondary Voltage (RMS VAC | 9/18 C.T. |
Identifiers
| UPC | 623980228808 |
| UNSPSC | 39121301 |
| Part Number | 166B18 |
Packaging & Shipping
| Shipping Weight | 0.3 lbs (0.14 kg) |
Construction & Finish
| Leads | Minimum 6" long leads |
| Style | Open style |
| Lead Colours (Schematic) | Primary: Blk / Blk; Secondary: Grn / Grn with Grn/Yel |
Compliance & Certifications
| UL | UL listed |
| CSA | CSA certified |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Purchasing this for your business?
Business account holders get access to exclusive pricing, volume discounts, and dedicated support. Create a free account to get started.
Frequently Asked Questions
How much power can the 166B18 deliver?▾
The 166B18 is rated 0.54 VA, with a secondary of 9/18 V C.T. at .06/.03 A.
What primary voltage does the 166B18 use?▾
The 166B18 has a single 115 V, 60 Hz primary.
How is the 166B18 mounted?▾
It is an open-style transformer with a channel bracket for two-hole chassis mounting; the drawing lists 1.75 in (44.5 mm) hole-to-hole spacing and 0.187 in (4.7 mm) mounting holes.
What insulation class does the 166B18 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 166B18 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.
Related Products
Save 52%166A24 — Power transformer, low voltage, 115V 60 Hz., 0.63VA, 12.6/25.2 C.T., .05/.025A
Hammond Manufacturing · 166A24
Save 52%166C12 — Power transformer, low voltage, 115V 60 Hz., 0.63VA, 6.3/12.6 C.T., .1/.05A
Hammond Manufacturing · 166C12
Save 52%166C24 — Power transformer, low voltage, 115V 60 Hz., 2.04VA, 24 C.T., 0.085A
Hammond Manufacturing · 166C24
Save 52%166C50 — Power transformer, low voltage, 115V 60 Hz., 3.75VA, 50 C.T., 0.075A
Hammond Manufacturing · 166C50
Save 52%166D20 — Power transformer, low voltage, 115V 60 Hz., 2VA, 20 C.T., 0.1A
Hammond Manufacturing · 166D20