BM1901-7RD8AHFU datasheet, PDF

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BM1901-7RD8AHFU: DescriptionDC-DC Regulated Power Supply Module, 1 Output, 50W, 168.50 X 111.20 MM, 38.70 MM HEIGHT, METAL, CASE M02, MODULE; CategoryPower/power management The power supply circuit; File Size536KB，24 Pages; ManufacturerBel; Websitehttp://www.belfuse.com

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BM1901-7RD8AHFU Overview

DC-DC Regulated Power Supply Module, 1 Output, 50W, 168.50 X 111.20 MM, 38.70 MM HEIGHT, METAL, CASE M02, MODULE

BM1901-7RD8AHFU Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Bel
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage	70 V
Minimum input voltage	14 V
Nominal input voltage	30 V
JESD-30 code	R-MXMA-X
JESD-609 code	e0
Maximum load regulation	0.312%
Number of functions	1
Output times	1
Maximum operating temperature	71 °C
Minimum operating temperature	-25 °C
Maximum output voltage	52.8 V
Minimum output voltage	8 V
Nominal output voltage	48 V
Package body material	METAL
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
surface mount	NO
Temperature level	COMMERCIAL EXTENDED
Terminal surface	TIN LEAD
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum total power output	50 W
Fine-tuning/adjustable output	YES

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M-Family

DC-DC Converters <100 W

Rugged Environment

50 W DC-DC (AC-DC) Converters

Class I Equipment

Single output: series AM...LM 1000

Dual output:

series AM...LM 2000

Triple output: series AM...LM 3000

Class II Equipment (double insulation)

Single output: series CMZ/DMZ/LMZ 1000

Dual output:

series CMZ/DMZ/LMZ 2000

Triple output: series CMZ/DMZ/LMZ 3000

• Extremely wide input voltage range suitable for

battery (and AC) operation

• Efficient input filter and built-in surge and transient

suppression circuitry

• 4 kV

rms

input to output electric strength test

• Outputs individually isolated and controlled

• Outputs fully protected against overload

Safety according to IEC 950

LGA

M-Family

Table of Contents

........................................... Page

Description .................................................................. 7 - 2

Type Survey ................................................................ 7 - 3

Safety and Installation Instructions ............................. 7 - 4

Functional Description ................................................. 7 - 6

Electrical Input Data .................................................... 7 - 7

Electrical Output Data ................................................. 7 - 9

EMC and Immunity to Input Transients ..................... 7 - 13

Supplementary Data ................................................. 7 - 15

Description of Options ............................................... 7 - 16

Immunity to Environmental Conditions ...................... 7 - 22

Mechanical Data ....................................................... 7 - 24

Type Key and Product Marking ................................. 7 - 25

7.1

Description

The M-family of DC-DC (AC-DC) converters represents a

broad and flexible range of power supplies for use in ad-

vanced industrial electronic systems. Features include high

efficiency, reliability, low output voltage noise and excellent

dynamic response to load/line changes due to individual

regulation of each output.

The converter inputs are protected against surges and tran-

sients occuring at the source lines. An input over- and

undervoltage cut-out circuitry disables the outputs if the in-

put voltage is outside the specified range. Certain types in-

clude an inrush current limitation preventing circuit break-

ers and fuses from being damaged at switch-on.

All outputs are open- and short-circuit proof and are pro-

tected against overvoltages by means of built-in suppres-

sor diodes. The outputs can be inhibited by a logic signal

applied to the connector pin 2 (i). If the inhibit function is not

used pin 2 should be connected with pin 23 to enable the

outputs.

LED indicators display the status of the converter and allow

visual monitoring of the system at any time.

Full input to output, input to case, output to case and output

to output isolation is provided. The modules are designed

and built according to the international safety standard

IEC 950 and have been approved by the safety agencies

LGA (Germany) and UL (USA). The UL Mark for Canada

has been officially recognized be regulatory authorities in

provinces across Canada.

The case design allows operation at nominal load up to

71°C in a free air ambient temperature. If forced cooling is

provided, the ambient temperature may exceed 71

°C

but

the case temperature should remain below 95°C under all

conditions.

A temperature sensor generates an inhibit signal which

disables the outputs if the case temperature

exceeds the

limit. The outputs are automatically re-enabled when the

temperature drops below the limit.

Various options are available to adapt the converters to in-

dividual applications.

The modules may either be plugged into 19 inch rack sys-

tems according to DIN 41494, or be chassis mounted.

Case: aluminium, black finish, self cooling.

Dimensions: 38.7

111.2

168.5 mm. Weight: 770 g.

7-2

MELCHER

The Power Partners.

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