250W isolated DC-DC converter

Ultra-wide input and regulated single output

Description

URF1D_HB-250(H)WR3series is a high-performance product speccalydesigned for avariety of railway applications. The DC-DC converters feature 50W output power with no requirement for minimum load, wide input voltage from 43-160VDC, and allowing operating temperature as high as 105C. The products also provide input under-voltage protection, output over-voltage, short-circuit and over-temperature protection. Addtional functions include remote On/Off control,remote sense compensation and output voltage trim adjustment. EN5015 approved and they are widely used in railway systems and a sociated equipment.

FEATURES

• Ultra-wide 4: 1 input voltage range: 40 - 160VDC
• High efficiency up to 90%
• Reinforced insulation, I/O isolation test voltage 3k VAC
• Operating ambient temperature range -40C to + 105C
• Input under-voltage protection, output over–voltage, over-current, short-circuit protection, over-temperature protection
• Industry standard 1/2-Brick package and pin-out
• Meets EN50155 railway standard

Specifications

Input Specifications
Item	Operating Conditions	Min.	Typ.	Max.	Unit
Input Current (full load/no-load)	Nominal input voltage	--	2526/50	2582/70	A
Reflected Ripple Current		--	100	--
Surge Voltage (1sec. max.)		-0.7	--	185	VDC
Start-up Voltage		--	--	40
Input Under-voltage Protection		32	36	--
Start-up Time		--	40	100	ms
Input Filter		Pi filter
Ctrl①	Module on	Ctrl open circuit or connected to TTL high level (3.5- 12VDC)
	Module off	Ctrl pin connected to -Vin or low level (0- 1.2VDC)
	Input current when off	--	5	10	A

KHC Power is a professional supplier of power supply, dededicated in standard power supply and customized power supply products,with over 25 years experience.ISO9001&ISO14001 certificated company.

We can supply a broad range of power supply.

such as AC/DC enclosed power supplies,

AC/DC open frame power supplies,

Bidirectional High Frequency Isolated AC/DC Power Module,

Bidirectional High Frequency Isolated DC/DC Power Module,

Server power supply,

Din Rail Power Supply,

High frequency DC power supply,

DC/DC converter module and so on.

KHC Power adheres to the mission of providing high reliable, safe and smart power supply for each customers.Upholding the idea of "your reliable power partner" and devoted to offer the best power supply products and fast responce service. We supported ODM service and customized design, Our customers are spread all over the world, We mainly export to Europe, the United States, Australia, the Middle East, Korea and Japan etc.