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# Digital Power Corporation / Telkoor Power Supplies US250-433 Power Supply

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Telkoor Power Supplies
- Model: US250-433
- Condition: Used and in Excellent Condition
- Price: $440.00 USD
- Availability: In stock, 7 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

- Test Equipment > Electrical Test > Power Supplies (primary)

## Details

Part Number: 203-0189-001

## Function

High-efficiency switching power supply delivering 250W continuous output power at 433VDC nominal voltage. Features active power factor correction, universal AC input range 90-264VAC, integrated EMI filtering, overvoltage/overcurrent/overtemperature protection circuits, remote on/off control, and parallel operation capability for redundancy. Utilizes resonant topology for minimal switching losses. Provides isolated DC output with tight regulation ±2% over full load range. Interfaces via standard edge connector with status monitoring pins. Applied in telecommunications infrastructure, industrial automation systems, medical equipment, and high-voltage DC distribution applications requiring stable, regulated power conversion.

## Images

- <https://www.artisantg.com/itemimages/digital_power_corporation_telkoor_power_supplies_us250_433_view2_2026310112616.jpg>
- <https://www.artisantg.com/itemimages/digital_power_corporation_telkoor_power_supplies_us250_433_view3_2026310112616.jpg>
- <https://www.artisantg.com/itemimages/digital_power_corporation_telkoor_power_supplies_us250_433_view4_2026310112616.jpg>
- <https://www.artisantg.com/itemimages/digital_power_corporation_telkoor_power_supplies_us250_433_view1_2026310112616.jpg>
