Hammond 167P25 125 VA 25 VCT Enclosed Filament Transformer
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Create Free Business AccountKey Features
- 125 VA power rating with a 25 V center-tapped secondary at 5 A RMS
- 115 VAC, 60 Hz primary
- Enclosed housing with 4 hole chassis mount
- Footprint A x B x C: 2.50 in (64 mm) x 3.75 in (95 mm) x 3.06 in (78 mm)
- Dual bobbin design - no electrostatic shield required
- Class B insulation (130 degrees C); Hi-Pot tested at 2,000 V RMS
- UL listed (# E50394) and CSA certified (209651); RoHS and REACH compliant
- Minimum 6 in long leads for direct wiring
The 167P25 is a low voltage filament power transformer from the 167 Series, built as an enclosed, chassis mount unit for a 115 VAC, 60 Hz primary supply. It is rated at 125 VA and delivers a 25 V center-tapped secondary (RMS) at 5 amps, making it a fit for OEM engineers, electronics technicians and equipment builders who need a compact, fully enclosed low voltage source mounted directly to a chassis. The manufacturer's short description for this part is "FIL-RECT 125VA 115 25VCT".
Construction uses a dual bobbin design, so no electrostatic shield is required. Insulation is Class B, rated to 130 degrees C, and each unit is Hi-Pot tested at 2,000 V RMS. The secondary is center tapped, and the transformer is supplied with leads a minimum of 6 inches long for wiring into your equipment.
Per the series ordering table, the 167P25 measures 2.50 in (64 mm) (A) by 3.75 in (95 mm) (B) by 3.06 in (78 mm) (C), with dimension D of 2.00 in (51 mm) and dimension E of 2.69 in (68 mm). It fixes to the chassis through a 4 hole enclosed mounting arrangement with 0.20 in (5 mm) x 0.38 in (10 mm) mounting slots. Shipping weight is 3.6 lbs (1.63 kg).
The 167 Series is UL listed (file E50394) and CSA certified (209651). This part is also listed as RoHS compliant and REACH compliant, and it carries UPC 623980241906 and UNSPSC code 39121301 for procurement and inventory systems.
Ideal For
- Filament supply for electronic equipment
- 25 V center-tapped low voltage supply from a 115 VAC line
- Chassis mounted power supply builds in OEM equipment
- Filament and rectifier (FIL-RECT) supply applications
Overview
| Type | Power transformer, low voltage, filament |
| Series | 167 Series - Low Voltage, Filament |
| Description | Power transformer, low voltage, enclosed chassis mount, 125VA 115 25VCT |
| Part Number | 167P25 |
| Mounting Style | Enclosed, 4 hole chassis mount |
| Short Description | FIL-RECT 125VA 115 25VCT |
Dimensions
| Dimension A | 2.50 in (64 mm) |
| Dimension B | 3.75 in (95 mm) |
| Dimension C | 3.06 in (78 mm) |
| Dimension D | 2.00 in (51 mm) |
| Dimension E | 2.69 in (68 mm) |
| Mounting Slot (G) | 0.20 in (5 mm) x 0.38 in (10 mm) |
Electrical
| Hi-Pot Test | 2,000 V RMS |
| Power Rating | 125 VA |
| Primary Voltage | 115 VAC, 60 Hz |
| Electrostatic Shield | Not required (dual bobbin design) |
| Secondary Current (RMS) | 5 A |
| Secondary Voltage (RMS) | 25 V C.T. (center tapped) |
Identifiers
| UPC | 623980241906 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 3.6 lbs (1.63 kg) |
Construction & Finish
| Leads | Minimum 6 in long |
| Enclosure | Enclosed |
| Bobbin Design | Dual bobbin |
| Insulation Class | Class B (130 degrees C) |
Compliance & Certifications
| UL | Listed (# E50394) |
| CSA | Certified (209651) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the input and output ratings of the 167P25?▾
The 167P25 has a 115 VAC, 60 Hz primary and a 25 V center-tapped secondary (RMS) rated at 5 A, for a power rating of 125 VA.
Is the secondary center tapped?▾
Yes. All secondaries in the 167 Series are center tapped; this part is listed as 25 C.T.
How is the 167P25 mounted?▾
It is an enclosed transformer with a 4 hole chassis mount, using 0.20 in (5 mm) x 0.38 in (10 mm) mounting slots. Leads are a minimum of 6 in long.
What safety approvals does it carry?▾
The 167 Series is UL listed (# E50394) and CSA certified (209651). This part is also RoHS and REACH compliant, and units are Hi-Pot tested at 2,000 V RMS.
Does it need an electrostatic shield?▾
No. The dual bobbin design means no electrostatic shield is required. Insulation is Class B, rated to 130 degrees C.
What are the dimensions of the 167P25?▾
Dimension A is 2.50 in (64 mm), B is 3.75 in (95 mm), C is 3.06 in (78 mm), D is 2.00 in (51 mm) and E is 2.69 in (68 mm). Shipping weight is 3.6 lbs (1.63 kg).
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