Hammond 167V12 252VA Filament Transformer, 12.6V Center-Tap 20A
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Create Free Business AccountKey Features
- 252 VA rated, 115 VAC 60 Hz primary
- 12.6 V center-tapped secondary at 20 A RMS
- Series-table dimensions A 3.75 in, B 4.00 in, C 4.56 in
- Enclosed four-hole chassis mount, 0.20 x 0.38 in slots
- Dual bobbin design, no electrostatic shield needed
- Class B 130 degrees C insulation; 2,000 V RMS Hi-Pot
- UL listed E50394 and CSA certified 209651
The 167V12 is a 252 VA low voltage power transformer from the 167 Series, described as FIL-RECT 250VA 115 12.6. It converts a 115 VAC, 60 Hz supply to a 12.6 V center-tapped RMS secondary rated at 20 A, a combination commonly used for filament strings and for 12 V class rectified supplies in audio, instrumentation and industrial equipment.
The enclosed housing mounts to a chassis through four holes, and the dual bobbin winding design means no electrostatic shield is required. Insulation is Class B (130 degrees C) and each unit is Hi-Pot tested at 2,000 V RMS. The flying leads are a minimum of 6 inches long for direct connection to rectifiers or terminal blocks.
Per the series ordering table, the 167V12 measures 3.75 in (95 mm) at dimension A, 4.00 in (102 mm) at B and 4.56 in (116 mm) at C, with D at 3.00 in (76 mm) and E at 2.81 in (71 mm). Mounting slots are 0.20 in (5 mm) by 0.38 in (10 mm). The shipping weight is 8.4 lbs (3.81 kg), so plan chassis support accordingly.
The 167V12 is UL listed (file E50394), CSA certified (209651), and RoHS and REACH compliant.
Ideal For
- 12.6 V filament supplies
- 12 V class rectified DC power supplies
- Audio and instrumentation power sections
- Chassis-mounted industrial equipment power
Mounting
| Mounting Style | 4 hole chassis mount |
| Mounting Slot G | 0.20 in (5 mm) x 0.38 in (10 mm) |
Overview
| Type | Enclosed, chassis mount power transformer - 115 V primary |
| Series | 167 Series - Low Voltage, Filament (15 VA to 640 VA) |
| Description | Power transformer, low voltage, enclosed chassis mount, 250VA 115 12.6 |
| Part Number | 167V12 |
| Short Description | FIL-RECT 250VA 115 12.6 |
Dimensions
| Dimension A | 3.75 in (95 mm) |
| Dimension B | 4.00 in (102 mm) |
| Dimension C | 4.56 in (116 mm) |
| Dimension D | 3.00 in (76 mm) |
| Dimension E | 2.81 in (71 mm) |
Electrical
| Primary | 115 VAC, 60 Hz. |
| Hi-Pot Test | 2,000V RMS |
| Power Rating | 252 VA |
| Secondary Configuration | Center tapped |
| Secondary Current (RMS) | 20 A |
| Secondary Voltage (RMS) | 12.6 C.T. VAC |
Identifiers
| UPC | 623980239507 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 8.4 lbs (3.81 kg) |
Construction & Finish
| Leads | Minimum 6" long |
| Enclosure | Enclosed |
| Insulation | Class B (130 degrees C) |
| Winding Design | Dual bobbin - no electrostatic shield required |
Compliance & Certifications
| UL | UL listed (# E50394) |
| CSA | CSA certified (209651) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the power rating of the 167V12?▾
The listed power rating is 252 VA; the short description rounds it to 250VA.
What voltage and current does the 167V12 secondary deliver?▾
12.6 V center-tapped RMS at 20 A.
What size is the 167V12?▾
A 3.75 in (95 mm), B 4.00 in (102 mm), C 4.56 in (116 mm), D 3.00 in (76 mm), E 2.81 in (71 mm), per the series drawing dimensions.
What is the shipping weight?▾
8.4 lbs (3.81 kg).
Is the 167V12 RoHS compliant?▾
Yes, it is listed as both RoHS and REACH compliant.
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