Hammond 167L70 140 VA 70 VCT Enclosed Filament Transformer
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Create Free Business AccountKey Features
- 140 VA power rating with a 70 V center-tapped secondary at 2 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 167L70 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 140 VA and delivers a 70 V center-tapped secondary (RMS) at 2 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 140VA 115 70VCT".
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 167L70 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 623980245607 and UNSPSC code 39121301 for procurement and inventory systems.
Ideal For
- Filament supply for electronic equipment
- 70 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, 140VA 115 70VCT |
| Part Number | 167L70 |
| Mounting Style | Enclosed, 4 hole chassis mount |
| Short Description | FIL-RECT 140VA 115 70VCT |
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 | 140 VA |
| Primary Voltage | 115 VAC, 60 Hz |
| Electrostatic Shield | Not required (dual bobbin design) |
| Secondary Current (RMS) | 2 A |
| Secondary Voltage (RMS) | 70 V C.T. (center tapped) |
Identifiers
| UPC | 623980245607 |
| 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 167L70?▾
The 167L70 has a 115 VAC, 60 Hz primary and a 70 V center-tapped secondary (RMS) rated at 2 A, for a power rating of 140 VA.
Is the secondary center tapped?▾
Yes. All secondaries in the 167 Series are center tapped; this part is listed as 70 C.T.
How is the 167L70 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 167L70?▾
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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