MBB0207-255CT47K datasheet(2/16 Pages) ETC2

2 / 16 page

2002 Oct 07

BCcomponents

Product specification

Professional leaded resistors

MBA 0204; MBB 0207;

MBE 0414

FEATURES

• Advanced thin film technology

• Power dissipation rating up to 1 W

• Excellent overall stability: class 0,25

• Wide professional range: 0,22 Ω to 22 MΩ

• Green product, supports lead-free soldering.

Sizes

APPLICATIONS

• Industrial

• Telecommunication

• Medical equipment.

DESCRIPTION

MBA 0204, MBB 0207 and MBE 0414 professional leaded

thin film resistors are the general purpose resistor for all

fields of professional electronics where reliability and

stability is of major concern. Typical applications include

industrial, telecommunication and medical equipment.

Production is strictly controlled and follows an extensive set

of instructions established for reproducibility. A

homogeneous film of metal alloy is deposited on a high

grade ceramic body (85% Al2O3) and conditioned to

achieve the desired temperature coefficient. Nickel plated

steel termination caps are firmly pressed on the metallised

rods. A special laser is used to achieve the target value by

smoothly cutting a helical groove in the resistive layer

without damaging the ceramics. Connecting wires of

electrolytic copper plated with 100% pure tin are welded to

the termination caps. The resistor elements are covered by a

DIN:

0204

0207

0414

CECC:

light blue protective coating designed for electrical,

mechanical and climatic protection. Four or five colour

code rings designate the resistance value and tolerance in

accordance with IEC 60062.

The result of the determined production is verified by an

extensive testing procedure performed on 100% of the

individual resistors. Only accepted products are stuck

directly on the adhesive tapes in accordance with

IEC 60286-1.

The resistors are suitable for processing on automatic

insertion equipment and cutting and bending machines.

Excellent solderability is proven, even after extended

storage. They are suitable for automatic soldering using

wave or dipping. The encapsulation is resistant to all

cleaning solvents commonly used in the electronics

industry, including alcohols, esters and aqueous solutions.

The resistors are completely lead-free, the pure tin plating

provides compatibility with lead-free soldering processes.

The immunity of the plating against tin whisker growth has

been proven under extensive testing. All products comply

with the CEFIC-EECA-EICTA list of legal restrictions on

hazardous substances.

The resistors are tested in accordance with

CECC 40101-806 which refers to EN 60115-1 and

EN 140100. Approval of conformity is indicated by the

CECC logo on the package label.

BCcomponents BEYSCHLAG has achieved "Approval of

Manufacturer" in accordance with EN 100114-1.

This product family of leaded thin film resistors for

professional applications is complemented by Zero Ohm

Jumpers and isolators.

On request, resistors are available with established

reliability in accordance with CECC 40101-806 Version E.

Please refer to the special data sheet for information on

failure rate level, available resistance ranges and ordering

codes.

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