ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：PWR XFMR LAMINATED 1VA TH
- Series：161
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：Parallel 10V, Series 20V
- Current - Output (Max)：Parallel 90mA, Series 45mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single, Multiple Taps
- Center Tap：No
- Power - Max：1VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：25.40mm L x 35.05mm W
- Height - Seated (Max)：21.08mm
- Voltage - Isolation：2000Vrms
- Weight：0.13 lb (58.97 g)
Download product information
Overview
The Hammond Manufacturing 161D20 is a low voltage power transformer designed for PCB mounting. It features a single primary winding rated at 115 VAC and a dual secondary winding configuration providing 20 VAC center-tapped output at 45 mA, or 10 VAC at 90 mA. The unit has a 1 VA power rating and utilizes through-hole installation. Its vertical mount design incorporates a split bobbin structure to ensure electrical isolation between windings.
Feature Summary
- Vertical mount construction with split bobbin design
- Dual secondary winding capability for flexible voltage outputs
- Single primary winding optimized for 115 VAC input
Applications
- Low voltage AC power supply circuits
- Electronic control systems requiring isolated power
- Instrumentation and measurement devices
Procurement Notes
Verify the specific secondary voltage and current requirements against the datasheet before ordering. Confirm that the PCB footprint matches the component dimensions. Ensure the application environment supports the thermal characteristics of a 1 VA board-mount transformer. Check for compliance certifications required by the target market.
Selection Notes
Select this model when a compact, low-power solution is needed for 115 VAC inputs. The dual secondary option allows for either 20V CT or 10V non-CT configurations. Consider the physical size constraints and the need for vertical mounting on the printed circuit board during the design phase.
Part Context
This component belongs to the Hammond 161 series of low voltage PCB mount transformers. The series offers various voltages and VA ratings to suit different electronic applications. The 161D20 specifically addresses needs for small form-factor power conversion in industrial and commercial electronics.
Replacement Considerations
Consult official Hammond Manufacturing documentation for verified substitute part numbers within the 161 series. Cross-reference pinouts and electrical specifications carefully when considering alternatives from other manufacturers.
