Hammond 187D36 36V CT 30.6VA Chassis Mount Power Transformer
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Create Free Business AccountKey Features
- 36V C.T. secondary at 0.85 A, rated 30.6 VA
- Single 115 VAC primary, 50/60 Hz operation; dual-primary version is 186D36
- 3.25 in (83 mm) L x 1.68 in (43 mm) D x 1.93 in (49 mm) H, 2.81 in (71 mm) mounting centers
- Combination solder or quick connect terminals
- Split bobbin construction, no electrostatic shield needed
- Hi-pot tested to 2 KV RMS; Class B (130 °C) insulation
- UL listed (# E207860) Type 3AH and CSA Certified; RoHS and REACH compliant
The 187D36 delivers a 36 V center-tapped secondary rated 0.85 A, for 30.6 VA, from 115 VAC. It belongs to the 187 series of chassis-mount, low-voltage power transformers, which run on 50/60 Hz and suit OEM engineers and panel builders who need a fixed step-down secondary with a center tap. If you need a dual 115/230 VAC primary with the same secondary, the ordering table pairs this part with the 186D36.
Construction is an economical open-style channel frame for chassis mounting. Split bobbin construction removes the need for an electrostatic shield, insulation is Class B (130 °C), and temperature rise is designed not to exceed Class A for longer life. Combination solder or quick connect terminals allow either soldered leads or quick connect wiring.
In the D-size frame, the 187D36 measures 3.25 in (83 mm) long, 1.68 in (43 mm) deep not including terminals (2.06 in (52 mm) to the terminal), and 1.93 in (49 mm) high, with 2.81 in (71 mm) mounting centers. Shipping weight is 1.1 lbs (0.50 kg).
The series is hi-pot tested to 2 KV RMS, UL listed (# E207860) Type 3AH and CSA Certified. This part is listed as RoHS and REACH compliant.
Ideal For
- Chassis-mounted 36V center-tapped supplies from a 115 VAC line
- OEM equipment power sections needing a 50/60 Hz step-down transformer
- Builds wired with solder or quick connect terminals
- Designs rated around 30.6 VA
Overview
| Series | 187 Series (single primary); 186-187 Series family |
| Product Type | Power transformer, chassis mount |
| Long Description | Transformer, chassis mount, 115VAC, 30.6VA, 36V C.T.@0.85A, 187 Series |
| Short Description | TX 115VAC, 30.6VA 50/60HZ |
| Construction Style | Open style, channel frame - chassis mount |
| Dual-Primary (115/230 VAC Equivalent | 186D36 |
Dimensions
| Height (C) | 1.93 in (49 mm) |
| Length (L) | 3.25 in (83 mm) |
| Mounting Centers (D) | 2.81 in (71 mm) |
| Depth To Terminal (E) | 2.06 in (52 mm) |
| Depth, Not Including Terminals (B) | 1.68 in (43 mm) |
Electrical
| Frequency | 50/60 Hz |
| Power Rating | 30.6 VA |
| Primary Voltage | 115 VAC (single primary) |
| Secondary Current | 0.85 A |
| Hi-Pot Test (Series) | 2 KV RMS |
| Secondary Voltage (RMS) | 36V C.T. |
Identifiers
| UPC | 623980761251 |
| UNSPSC | 39121301 |
| Part Number | 187D36 |
Packaging & Shipping
| Shipping Weight | 1.1 lbs (0.50 kg) |
Construction & Finish
| Bobbin | Split bobbin construction (eliminates the need for an electrostatic shield) |
| Terminals | Combination solder or quick connect |
| Insulation Class | Class B (130 °C) |
| Temperature Rise | Designed not to exceed Class A |
Compliance & Certifications
| UL | UL listed (# E207860) Type 3AH |
| CSA | CSA Certified |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the output ratings of the 187D36?▾
The 187D36 has a 36V C.T. (center-tapped) RMS secondary rated 0.85 A, for 30.6 VA, from a 115 VAC primary at 50/60 Hz.
Is there a 230 VAC version of the 187D36?▾
Yes. The ordering table lists 186D36 as the dual-primary 115/230 VAC part with the same 36V C.T. secondary and 0.85 A rating. The 187D36 is the single-primary 115 VAC version.
What are the mounting dimensions of the 187D36?▾
It measures 3.25 in (83 mm) long, 1.68 in (43 mm) deep not including terminals, 2.06 in (52 mm) deep to the terminals and 1.93 in (49 mm) high, with mounting centers of 2.81 in (71 mm).
How are connections made?▾
The transformer has combination solder or quick connect terminals, so leads can be soldered or fitted with quick connect terminals.
What approvals does the 187D36 carry?▾
The 186-187 series is UL listed (# E207860) Type 3AH and CSA Certified, and this part is listed as RoHS and REACH compliant.
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