Hammond 164E36 2.4VA 36V Center-Tapped PCB Transformer, 115V Primary
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Create Free Business AccountKey Features
- 2.4VA rating: 36V C.T. @ .065A with secondaries in series, 18V @ .13A in parallel
- Single 115V primary for 50/60 Hz operation
- No mounting hardware required at 2.4VA; industry-standard P.C. board pin spacing
- Low-profile split bobbin, 1.38 x 1.13 x 1.19 in (L x W x H)
- Dual non-concentric secondaries; low coupling, no electrostatic shield required
- Class B 130 degrees C insulation, 2,500V RMS hipot
- c UL us recognized; RoHS and REACH compliant
Part number 164E36 is a 2.4VA, 115V single-primary power transformer for P.C. board mounting. Built on a low-profile split bobbin and rated for 50/60 Hz, it gives electronics designers and OEM builders a 36V C.T. secondary that solders straight onto the board. Connected in series it supplies 36V C.T. at 0.065A; connected in parallel, 18V at 0.13A.
Two secondary windings sit side by side on the split bobbin rather than concentrically, which keeps coupling between primary and secondary low and removes any need for an electrostatic shield. It carries Class B insulation (130 degrees C) and a 2,500V RMS hipot rating. The windings are designed so that all of them must be used.
The E-size body measures 1.38 in long by 1.13 in wide by 1.19 in high and weighs 0.25 lb per the series specification sheet. At 2.4VA it needs no mounting hardware: the unit is held by its P.C. board pins, which use industry-standard pin spacing.
The transformer is c UL us recognized and listed as RoHS and REACH compliant. Where a design must run from 115V or 230V, the dual-primary equivalent in the same series is 162E36.
Ideal For
- Low-voltage AC supply on printed circuit boards
- Board-level designs needing 36V centre-tapped or 18V secondary
- OEM equipment powered from 115V, 50/60 Hz mains
- Low-profile PCB layouts with limited height
Mounting
| Mounting Type | P.C. board mount, industry standard pin spacing |
| Mounting Hardware | None required (2.4 VA size) |
Overview
| Series | 162-164 Series (164 = single primary 115V) |
| Part Number | 164E36 |
| Product Type | Transformer, low voltage PCB mount, low profile |
| Short Description | POWER TX 2.4VA 115V 50/60HZ |
| Dual Primary (115/230V) Equivalent | 162E36 |
Dimensions
| Size Letter | E |
| Width (W) - Spec Sheet | 1.13" |
| Height (H) - Spec Sheet | 1.19" |
| Length (L) - Spec Sheet | 1.38" |
| Dimension A - Spec Sheet | 0.25" |
| Dimension B - Spec Sheet | 0.25" |
| Dimension C - Spec Sheet | 1.2" |
Electrical
| Hipot | 2,500V RMS |
| Frequency | 50/60 Hz |
| Primary Voltage | 115V (single primary) |
| Insulation Class | Class B, 130 degrees C |
| Power Rating (VA) | 2.4 |
| Electrostatic Shield | Not required (low primary to secondary coupling) |
| Secondary (RMS) Series | 36V C.T. @ .065A |
| Secondary Configuration | Dual winding secondaries, non-concentrically wound; all windings must be used |
| Secondary (RMS) Parallel | 18V @ .13A |
Identifiers
| UPC | 623980260426 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 0.22 lbs (0.10 kg) |
Construction & Finish
| Design | Low profile, split bobbin |
| Unit Weight - Spec Sheet | 0.25 lbs |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| Agency Recognition | c UL us recognized |
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Frequently Asked Questions
What output voltage and current does the 164E36 provide?▾
With the two secondaries connected in series it provides 36V C.T. @ .065A; connected in parallel it provides 18V @ .13A. The transformer is rated 2.4VA.
Can I use only one of the secondary windings?▾
The series is designed so that all windings must be used, so connect both secondary windings, either in series for the centre-tapped output or in parallel for the lower-voltage, higher-current output.
What input voltage does the 164E36 accept?▾
It has a single 115V primary and operates on 50/60 Hz. For universal 115/230V dual-primary operation, the matching part in the series is 162E36.
How is it mounted?▾
It is a P.C. board mount transformer with industry-standard pin spacing. At 2.4VA no mounting hardware is required.
What are the dimensions of the 164E36?▾
The series specification sheet lists the E size at 1.38 in L x 1.13 in W x 1.19 in H, with a weight of 0.25 lb. Shipping weight is 0.22 lbs (0.10 kg).
What insulation and safety ratings does it carry?▾
Class B insulation rated 130 degrees C, a 2,500V RMS hipot, and c UL us recognition. It is also listed as RoHS and REACH compliant.
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