Hammond 166J36 36 VA 36V CT 1A Chassis Mount Transformer
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Create Free Business AccountKey Features
- 36 VA rating: 36 VAC center-tapped (C.T.) secondary at 1 A (RMS)
- 115V 60 Hz single primary
- Open style channel bracket with two-hole chassis mount, 3.13 in (80 mm) hole-to-hole
- Compact 3.69 x 1.88 x 2.31 in overall (A x B x C), 1.5 lbs shipping weight
- Dual bobbin design, no electrostatic shield required; minimum 6 in leads
- Class B (130 °C) insulation, UL listed as a Class A (105 °C) design
- Hi-pot tested at 2,000 V RMS; UL listed, CSA certified, RoHS and REACH compliant
The 166J36 is a low voltage/filament power transformer from the Hammond 166 Series, supplying a 36 VAC center-tapped (C.T.) secondary rated at 1 A for a total of 36 VA from a single 115V 60 Hz primary. It is intended for designers, OEM engineers and repair technicians who need a compact, open style transformer that bolts straight to a chassis.
Its single 115 VAC, 60 Hz primary keeps the design economical; if a project needs 117/234 V or 50/60 Hz operation, or dual secondaries, the manufacturer points to its 266 Series instead. The secondary is center tapped, giving access to the midpoint of the 36 VAC winding.
Construction is open style with a channel bracket and two-hole chassis mount, and the transformer uses a dual bobbin design, so no electrostatic shield is required. Leads are a minimum of 6 in long. On the drawing schematic the primary leads are black and the secondary leads green, with a green/yellow lead on the center tap. Insulation is Class B (130 °C) for extra protection, while the design is UL listed as Class A (105 °C).
Overall dimensions are 3.69 in (94 mm) (A), 1.88 in (48 mm) (B) and 2.31 in (59 mm) (C), with 3.13 in (80 mm) between mounting holes (D) and 0.19 in (5 mm) mounting holes. The part drawing gives the same measurements more precisely as 3.69 in / 93.7 mm (A), 1.88 in / 47.8 mm (B) and 2.31 in / 58.7 mm (C), with 3.13 in / 79.5 mm hole-to-hole spacing and 0.187 in / 4.7 mm width-wise mounting holes. Shipping weight is 1.5 lbs (0.68 kg).
The design carries a hi-pot test of 2,000 V RMS, and the series is UL listed and CSA certified. The 166J36 is also listed as RoHS and REACH compliant.
Ideal For
- Low voltage 36 VAC supply for chassis-mounted electronic equipment
- Filament supply transformer at 1 A
- Circuits needing a center-tapped 36 VAC secondary
- Equipment powered from 115 VAC, 60 Hz mains
- Replacement or OEM power transformer for 36 VA loads
Overview
| Series | 166 Series - Economical Single Primary, Open Style Chassis Mount |
| Description | Power transformer, low voltage, 115V 60 Hz., 36VA, 36 C.T., 1A |
| Product Type | Power transformer, low voltage/filament |
| Short Description | POWER TX 115VAC - 36V@1A |
Dimensions
| Mounting Hole Size | 0.19 in (5 mm); drawing width-wise 0.187 in / 4.7 mm |
| Mounting Reference | C |
| Overall Dimension A | 3.69 in (94 mm); drawing 3.69 in / 93.7 mm |
| Overall Dimension B | 1.88 in (48 mm); drawing 1.88 in / 47.8 mm |
| Overall Dimension C | 2.31 in (59 mm); drawing 2.31 in / 58.7 mm |
| Hole-to-Hole Mounting Dimension (D) | 3.13 in (80 mm); drawing 3.13 in / 79.5 mm |
Electrical
| Hi-Pot Test | 2,000 V RMS |
| Power Rating | 36 VA |
| Primary Voltage | 115V 60 Hz. |
| Secondary Current (RMS) | 1 A |
| Secondary Voltage (RMS) | 36 C.T. VAC |
Identifiers
| UPC | 623980233802 |
| UNSPSC | 39121301 |
| Part Number | 166J36 |
Packaging & Shipping
| Shipping Weight | 1.5 lbs (0.68 kg) |
Construction & Finish
| Style | Open style, channel bracket |
| Mounting | Two-hole chassis mount |
| Lead Length | Minimum 6 in |
| Bobbin Design | Dual bobbin - no electrostatic shield required |
| Insulation Class | Class B (130 °C); UL listed as a Class A (105 °C) design |
Compliance & Certifications
| UL | UL listed |
| CSA | CSA certified |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the input and output ratings of the 166J36?▾
The 166J36 has a 115V 60 Hz primary and a 36 VAC center-tapped (C.T.) secondary rated at 1 A RMS, for a power rating of 36 VA.
Does the 166J36 have a center-tapped secondary?▾
Yes. The secondary is listed as 36 C.T., meaning it is center tapped; the drawing schematic shows the center tap on a green/yellow lead.
Can the 166J36 be used on 50 Hz power?▾
It is specified for a 115 VAC, 60 Hz primary. For 50/60 Hz or 117/234 V operation the manufacturer recommends its 266 Series.
How is the 166J36 mounted and how big is it?▾
It is an open style transformer with a channel bracket and two-hole chassis mount. Overall dimensions are 3.69 in (94 mm) (A) x 1.88 in (48 mm) (B) x 2.31 in (59 mm) (C), with 3.13 in (80 mm) between the 0.19 in (5 mm) mounting holes.
What safety testing and approvals apply to the 166J36?▾
It is hi-pot tested at 2,000 V RMS, uses Class B (130 °C) insulation and is UL listed as a Class A (105 °C) design. The series is UL listed and CSA certified, and this part is RoHS and REACH compliant.
How much does the 166J36 weigh?▾
The shipping weight is 1.5 lbs (0.68 kg).
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