CMA02040X5609GB000 [VISHAY]

High Pulse Load MELF Resistor; 高脉冲负载电阻MELF


型号：	CMA02040X5609GB000
厂家：	VISHAY
描述：	High Pulse Load MELF Resistor 高脉冲负载电阻MELF 脉冲
文件：	总10页 (文件大小：140K)
中文：	中文翻译
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CMA 0204

Vishay Beyschlag

High Pulse Load MELF Resistor

FEATURES

• Special carbon film technology

• Up to 4 kV single pulse capability

• Up to 70 W continuous pulse load

• ESD capability: 6 kV, Human Body Model

• Compatible with lead (Pb)-free and lead containing

soldering processes

• Lead (Pb)-free and RoHS compliant

APPLICATIONS

• Automotive

• Telecommunication

• Industrial

CMA 0204 speciality MELF resistors with advanced pulse

load capability are the perfect choice for the protection of

circuitry with signal or mains input lines from surge pulses.

The resistors are also suitable for circuits exposed to high

levels of electromagnetic interference or electrostatic

discharge. The applications are in all fields of automotive,

telecommunication, industrial and medical equipment.

• Medical equipment

METRIC SIZES

DIN:

0204

CECC:

RC 3715M

TECHNICAL SPECIFICATIONS

DESCRIPTION

CMA 0204

Metric CECC size

RC 3715M

10 Ω to 100 kΩ

2 ꢀ

Resistance range

Resistance tolerance

Temperature coefficient

Operation mode

see TCR graph

standard

power

55/155/56

0.4 W

Climatic category (LCT/UCT/days)

55/125/56

0.25 W

Rated dissipation, P₇₀

Operating voltage, U_maxAC/DC

Film temperature²⁾

200 V

125 °C

155 °C

Max. resistance change at P₇₀for resistance range,

10 Ω to 100 kΩ

≤ 1 ꢀ

|ΔR/R| after:

1000 h

8000 h

≤ 2 ꢀ

≤ 4 ꢀ

≤ 2 ꢀ

Permissible voltage against ambient (insulation):

1 minute; U_ins

300 V

75 V

continuous

Failure rate

≤ 1 × 10^-9/h

Note: These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over

operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime.

¹⁾The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the

printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded. Furthermore, a

high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board

materials may be required to maintain the reliability of the assembly.

²⁾Film temperatures above the specified range may be permissible, e.g. 175 °C. Please contact the factory for details.

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Document Number: 28717

Revision: 18-Jul-06

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

Last Digit of 12NC Indicating Resistance Decade

12NC INFORMATION

RESISTANCE DECADE

10 Ω to 99.9 Ω

LAST DIGIT

• The resistors have a 12-digit numeric code starting with

2312.

100 Ω to 999 Ω

• The subsequent 4 digits indicate the resistor type,

specification and packaging; see the 12NC table.

1 kΩ to 9.99 kΩ

10 kΩ to 99.9 kΩ

100 kΩ to 999 kΩ

• The remaining 4 digits indicate the resistance value:

– The first 3 digits indicate the resistance value.

12NC Example

– The last digit indicates the resistance decade in

accordance with the 12NC Indicating Resistance

Decade table.

The 12NC of a CMA 0204 resistor, value 47 kΩ with 2 ꢀ

tolerance, supplied in blister tape of 3000 units per reel is:

2312 159 24703.

12NC - resistor type and packaging

ORDERING CODE 2312 ... .....

DESCRIPTION

BLISTER TAPE ON REEL

159 2....

TYPE

TOL.

CMA 0204

2 ꢀ

149 2....

PART NUMBER AND PRODUCT DESCRIPTION¹⁾

PART NUMBER²⁾: CMA02040X4701GB300

MODEL/SIZE SPECIAL CHARACTER

CMA0204 0 = neutral

X = no indication

VALUE

TOLERANCE PACKAGING³⁾

SPECIAL

3 digit value

G = 2 ꢀ

up to 2 digits

00 = standard

1 digit multiplier

Multiplier

9 = *10^-1

0 = *10⁰

1 = *10¹

2 = *10²

3 = *10³

PRODUCT DESCRIPTION⁴⁾: CMA 0204 2 % BL 4K7

CMA

0204

2 %

4K7

MODEL

CMA

SIZE

0204

TOLERANCE

PACKAGING³⁾

RESISTANCE VALUE

2 ꢀ

100R = 100 Ω

4K7 = 4.7 kΩ

Notes

1. Products can be ordered using either the PRODUCT DESCRIPTION or the 12NC.

2. The PART NUMBER is shown to facilitate the introduction of the unified part numbering system. Currently, this PART NUMBER is applicable

in the Americas and in Asia/Pacific only.

3. Please refer to table PACKAGING, see below.

4. For CMA0204 the temperature coefficient is not identified in the PRODUCT DESCRIPTION.

Document Number: 28717

Revision: 18-Jul-06

For technical questions contact: ff3bresistors@vishay.com

www.vishay.com

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

PACKAGING

BLISTER TAPE ON REEL

ACC. IEC 60286-3

MODEL

DIAMETER

PIECES/REEL

3000

CODE

B3 = BL

180 mm/7”

CMA0204

330 mm/13”

10 000

DIMENSIONS

Color code marking¹⁾

DIMENSIONS - MELF resistor types, mass and relevant physical dimensions

(mm)

L_{1 min}

(mm)

D₁

(mm)

MASS

(mg)

TYPE

(mm)

CMA 0204

3.6 + 0/- 0.2

1.4 + 0/- 0.1

1.8

D + 0/- 0.15

0.8 0.1

Color code marking is applied according to IEC 60062* in four bands (E24 series). Each color band appears as a single solid line, voids are

permissible if at least 1/3 of the band is visible from each radial angle of view. The last color band for tolerance is approx, 50 ꢀ wider than the

other bands. An interrupted band between the 2nd and 3rd full band identifies the special carbon film type.

TOLERANCE AND RESISTANCE RANGE

RESISTANCE VALUE¹⁾

TOLERANCE

CMA 0204

10 Ω to 100 kΩ

2 ꢀ

Resistance value to be selected from E24 series.

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For technical questions contact: ff3bresistors@vishay.com

Document Number: 28717

Revision: 18-Jul-06

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

DESCRIPTION

APPROVALS

Production of the CMA 0204 speciality MELF resistors with

advanced pulse load capability is strictly controlled and

follows an extensive set of instructions established for

reproducibility. A homogeneous and dense carbon film is

deposited on a high grade ceramic body (85 ꢀ Al₂O₃). Nickel

plated steel termination caps are firmly pressed on the

coated 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. The resistors are

covered by protective coating designed for electrical,

mechanical and climatic protection.The terminations receive

a final pure tin on nickel plating. Four color code rings

designate the resistance value and tolerance in accordance

with IEC 60 062*.

Where applicable the resistors are tested in accordance with

EN 140401-803 (superseding CECC 40401-803) which

refers to EN 60115-1, EN 140400 and the variety of

enviromental text procedures of the IEC 60068* series.

Vishay BEYSCHLAG has achieved "Approval of

Manufacturer" in accordance with IEC QC 001002-3,

clause 2. The release certificate for “Technology Approval

Schedule” in accordance with CECC 240001 based on

IEC QC 001002-3, clause 6 is granted for the Vishay

BEYSCHLAG manufacturing process.

Note:

* The quoted IEC standards are also released as EN standards with

the same number and identical contents.

The result of the determined production is verified by an

extensive testing procedure performed on 100 ꢀ of the

individual resistors. Only accepted products are laid directly

into the blister tape in accordance with IEC 60 286-3*.

ASSEMBLY

The resistors are suitable for processing on automatic

SMD assembly systems. They are suitable for automatic

soldering using wave, reflow or vapour phase as shown in

IEC 61760-1*. Excellent solderability is proven, even after

extended storage in excess of 10 years. 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 (Pb)-free, the

pure tin plating provides compatibility with lead (Pb)-free

soldering processes. The immunity of the plating against tin

whisker growth has been proven under extensive testing.

All products comply with the GADSL¹⁾and the CEFIC-

EECA-EICTA²⁾list of legal restrictions on hazardous

substances. This includes full compliance with the following

directives:

•

2000/53/EC End of Vehicle life Directive (ELV) and Annex II

(ELV II)

• 2002/95/EC Restriction of the use of Hazardous

Substances Directive (RoHS)

• 2002/96/EC Waste Electrical and Electronic Equipment

Directive (WEEE)

Global Automotive Declarable Substance List, see www.gadsl.org

CEFIC (European Chemical Industry Council), EECA (European

Electronic Component Manufacturers Association), EICTA

(European trade organisation representing the information and

communications technology and consumer electronics), see

www.eicta.org -> issues -> environment policy -> chemicals ->

chemicals for electronics

Document Number: 28717

Revision: 18-Jul-06

For technical questions contact: ff3bresistors@vishay.com

www.vishay.com

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

FUNCTIONAL PERFORMANCE

CMA 0204

0.5

- 50

100

150

Ambient Temperature ϑ_amb

Derating - Standard Operation

CMA 0204

0.5

- 50

100

150

Ambient Temperature ϑ _amb

Derating - Power Operation

CMA 0204

100

0.1

10 µs

100 µs

1 ms

10 ms

100 ms

1 s

10 s

Pulse Duration t

Maximum pulse load, single pulse; applicable if P 0 and n ≤ 1000 and U ≤ U_max

;

for permissible resistance change equivalent to 8000 h operation

Single Pulse

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Document Number: 28717

Revision: 18-Jul-06

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

CMA 0204

100

0.1

10 µs

100 µs

1 ms

10 ms

100 ms

1 s

10 s

Pulse Duration t

Maximum pulse load, continuous pulses; applicable if P ≤ P ( _amb) and U ≤ U_max

;

for permissible resistance change equivalent to 8000 h operation

Continuous Pulses

CMA 0204

1 kV

100 V

10 µs

100 µs

1 ms

10 ms

100 ms

1 s

10 s

Pulse Duration t

Maximum pulse voltage, single and continuous pulses; applicable if P ≤ P_max

;

for permissible resistance change equivalent to 8000 h operation

Pulse Voltage

1 kV

100 V

CMA 0204

10 V

10 Ω

100 Ω

1 kΩ

10 kΩ

100 kΩ

1 MΩ

Resistance Value

Pulse load rating in accordance with IEC 60115-1, 4.27; 1,2 µs/50 µs; 5 pulses at 12 s intervals;

for permissible resistance change 0.5 %

1.2/50 Pulse

Document Number: 28717

Revision: 18-Jul-06

For technical questions contact: ff3bresistors@vishay.com

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CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

CMA 0204

1 kV

100 V

10 V

10 Ω

100 Ω

1 kΩ

10 kΩ

100 kΩ

1 MΩ

Resistance Value R

Pulse load rating in accordance with IEC 60115-1, 4.27; 10 µs/700 µs;

10 pulses at 1 minute intervals; for permissible resistance change 0.5 %

10/700 Pulse

CMA 0204

- 100

ppm/K

- 200

- 300

- 400

- 500

10 Ω

100 Ω

1 kΩ

10 kΩ

100 kΩ

1 MΩ

10 MΩ

Resistance Value R

Temperature coefficient of resistance

Temperature Coefficient (TCR)

CMA 0204

µV/V

0.1

0.01

100 Ω

1 kΩ

10 kΩ

100 kΩ

1 MΩ

Resistance Value

In accordance with IEC 60 195

Current Noise - A₁

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For technical questions contact: ff3bresistors@vishay.com

Document Number: 28717

Revision: 18-Jul-06

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

TESTS AND REQUIREMENTS

Essentially all tests are carried out in accordance with the

following specifications:

Unless otherwise specified the following values apply:

Temperature: 15 °C to 35 °C

EN 60115-1, generic specification

EN 140400, sectional specification

EN 140401-803, detail specification

Relative humidity: 45 ꢀ to 75 ꢀ

Air pressure: 86 kPa to 106 kPa (860 mbar to 1060 mbar).

The components are mounted for testing on printed-circuit

boards in accordance with EN 140400, 2.3.3, unless

otherwise specified.

The Test Procedures and Requirements table contains the

applicable tests selected from the documents listed above.

The tests are carried out in accordance with IEC 60068* and

under standard atmospheric conditions in accordance with

IEC 60068-1, 5.3*. Climatic category LCT/UCT/56 (rated

temperature range: Lower Category Temperature, Upper

Category Temperature; damp heat, long term, 56 days) is

valid.

The requirements stated in the Test Procedures and

Requirements table are based on the required tests and

permitted limits of EN 140401-803.

TEST PROCEDURES AND REQUIREMENTS

60115-1

CLAUSE

IEC 60068-2*

TEST

METHOD

REQUIREMENTS

PROCEDURE

TEST

PERMISSIBLE CHANGE (ΔR)

stability for product types:

CMA 0204

10 Ω to 100 kΩ

2 ꢀ R

4.5

resistance

at 20/- 55/20 °C

4.8.4.2

temperature coefficient

see Temperature Coefficient graph

and 20/125/20 °C

U = P₇₀× R ≤ U_max

;

4.25.1

1.5 h on; 0.5 h off;

endurance at 70 °C:

standard operation mode

70 °C; 1000 h

70 °C; 8000 h

(1 ꢀ R + 0.05 Ω)

(2 ꢀ R + 0.05 Ω)

U = P₇₀× R ≤ U_max

4.25.1

4.25.3

1.5 h on; 0.5 h off;

endurance at 70 °C:

power operation mode

70 °C; 1000 h

70 °C; 8000 h

125 °C; 1000 h

155 °C; 1000 h

(2 ꢀ R + 0.05 Ω)

(4 ꢀ R + 0.05 Ω)

(2 ꢀ R + 0.05 Ω)

(4 ꢀ R + 0.05 Ω)

(1 ꢀ R + 0.1 Ω)

endurance at upper category

temperature

4.24

78 (Cab)

damp heat, steady state

climatic sequence:

dry heat

(40 2) °C; 56 days; (93 3) ꢀ RH

4.23

4.23.2

4.23.3

4.23.4

4.23.5

4.23.6

4.23.7

2 (Ba)

30 (Db)

1 (Aa)

13 (M)

30 (Db)

UCT; 16 h

damp heat, cyclic

cold

55 °C; 24 h; ≥ 90 ꢀ RH; 1 cycle

LCT; 2 h

low air pressure

damp heat, cyclic

d.c. load

8.5 kPa; 2 h; (25 10) °C

55 °C; 24 h; ≥ 90 ꢀ RH; 5 cycles

U = P₇₀× R ≤ U_max; 1 min.

LCT = - 55 °C; UCT = 155 °C

- 55 °C; 2 h

(1 ꢀ R + 0.1 Ω)

1 (Aa)

cold

(0.5 ꢀ R + 0.1 Ω)

Document Number: 28717

Revision: 18-Jul-06

For technical questions contact: ff3bresistors@vishay.com

www.vishay.com

CMA 0204

High Pulse Load MELF Resistor

Vishay Beyschlag

TEST PROCEDURES AND REQUIREMENTS

60115-1

CLAUSE

IEC 60068-2*

TEST

METHOD

REQUIREMENTS

PERMISSIBLE CHANGE (ΔR)

TEST

PROCEDURE

stability for product types:

CMA 0204

10 Ω to 100 kΩ

30 minutes at - 55 °C;

30 minutes at + 125 °C; 5 cycles

4.19

4.13

14 (Na)

rapid change of temperature

(0.5 ꢀ R + 0.1 Ω)

short time overload;

standard operation mode

U = 2.5 × P₇₀× R ≤ 2 × U_max; 5 s

(0.25 ꢀ R + 0.1 Ω)

short time overload;

power operation mode

U = 2.5 × P₇₀× R ≤ 2 × U_max; 5 s

IEC 61340-3-1*;

3 pos. + 3 neg. discharges

CMA 0204: 6 kV

electrostatic discharge

(Human body Model)

4.40

4.29

(0.5 ꢀ R + 50 mΩ)

45 (XA)

component solvent resistance isopropyl alcohol; 50 °C; method 2

no visible damage

isopropyl alcohol; 50 °C; method 1,

marking legible;

no visible damage

4.30

45 (XA)

58 (Td)

solvent resistance of marking

toothbrush

4.17.2

solderability

solder bath method;

SnPb40;

good tinning (≥ 95 ꢀ covered);

no visible damage

non-activated flux;

(215 3) °C; (3 0.3) s

solder bath method;

SnAg3Cu0.5 or

good tinning (≥ 95 ꢀ covered);

no visible damage

SnAg3.5; non-activated flux;

(235 3) °C; (2 0.2) s

4.18.2

4.32

58 (Td)

resistance to soldering heat

shear (adhesion)

solder bath method ; (260 5)

45 N

°C; (10 1) s

(0.5 ꢀ R + 0.1 Ω)

21 (Ue₃)

no visible damage

4.7

voltage proof

flammability

_rms= U_ins; 60 s

no flashover or breakdown

no burning after 30 s

4.35

IEC 60 695-11-5*, needle flame test; 10

Note:

* The quoted IEC standards are also released as EN standards with the same number and identical contents.

REVISION HISTORY

Compared to the prior revision of this datasheet, 27-Feb-04, the following changes have been applied:

• Introduction of a standardized part numbering system

• Additional emphasis on the clean balance of materials and on the compliance with various EU directives

• Revision of the current noise diagram based on new test results

• Introduction of a test and requirements for electrostatic discharge (ESD)

• No other change of technical contents

• No product change

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Document Number: 28717

Revision: 18-Jul-06

Legal Disclaimer Notice

Vishay

Disclaimer

All product specifications and data are subject to change without notice.

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf

(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein

or in any other disclosure relating to any product.

Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any

information provided herein to the maximum extent permitted by law. The product specifications do not expand or

otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed

therein, which apply to these products.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this

document or by any conduct of Vishay.

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless

otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such

applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting

from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding

products designed for such applications.

Product names and markings noted herein may be trademarks of their respective owners.

Document Number: 91000

Revision: 18-Jul-08

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