4B04B-524-200LF Bourns Inc., 4B04B-524-200LF Datasheet

Surge Suppressors 20ohm Surge Line Protection Module

4B04B-524-200LF

Manufacturer Part Number

4B04B-524-200LF

Description

Surge Suppressors 20ohm Surge Line Protection Module

Manufacturer

Bourns Inc.

Datasheet

1.4B04B-524-200LF.pdf (1 pages)

Specifications of 4B04B-524-200LF

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Matched Pair of Resistors plus Thermal Fuse

Resistance Values (R1 = R2) .................................15 ohms- 60 ohms

Resistance Tolerance

TCR ..................................................................................100 ppm/°C

Ratio Tolerance

Temperature Range...................................................-40 ºC to +85 ºC

Body Style ..........................................................Open Frame SIP

Substrate Material ..................................................96 % Alumina

Lead Frame Material .................................Copper, solder coated

Flammability...............................................Conforms to UL94V-0

First Level Lightning Surge -

Resistors will remain within tolerance after testing.

First Level AC Power Fault -

Resistors will remain within tolerance after testing.

Second Level Lightning Surge -

Resistor package must fail safely causing no fire,

electrical, or framentation hazard.

Second Level AC Power Fault -

Resistor package must fail safely causing no fire,

electrical, or framentation hazard.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

Electrical Characteristics

Physical Characteristics

Functional Characteristics (per Bellcore GR-1089)

Standard Resistance Values

>34 Ω .......................................................................................±2 %

<34 Ω .......................................................................................±5 %

>34 Ω ....................................................................................±0.5 %

<34 Ω .......................................................................................±2 %

1000 Volts Peak, 100 Amp Peak Current,

Max. Rise/Min. Decay Time 10x1000 µs,

Number of Pulses ..............................25 each resistor each polarity

2500 Volts Peak, 500 Amp Peak Current,

Max. Rise/Min. Decay Time 2x10 µs,

Number of Pulses .............................10 simultaneous each polarity

50 Vrms, .33 Amp Short Circuit Current,

Duration...........................................................................15 minutes

100 Vrms, .17 Amp Short Circuit Current,

Duration...........................................................................15 minutes

600 Vrms, 1.0 Amp Short Circuit Current,

Duration ........................................................60 One-second pulses

5000 Volts Peak, 500 Amp Peak Current,

Max. Rise/Min. Decay Time 2x10 µs,

Number of Pulses ...............................1 simultaneous each polarity

Resistance

(ohms)

25 simultaneous each polarity

Resistance

Code

4B04B-524-RC - Line Protection Module

Features

200

400

500

(RoHS compliant*)

Matched pair of resistors plus

thermal fuse

Power line fault/lightning protection to

BELLCORE GR-1089

Lead free versions available

Model

(4B = Open Frame)

Number of Pins

Physical Configuration

Electrical Configuration

• 524 = Matched Pair of Resistors plus Thermal Fuse

Resistance Code

• First 2 digits are significant

• Third digit represents the number of zeros to follow

Lead Free Option

Product Dimensions

Electrical Schematic

Break Open Time

How To Order

Blank = Standard Product

LF = Lead Free / RoHS Compliant Product

(.480)

12.19

(.350)

8.89

(.300)

7.62

DIMENSIONS:

(2.010)

51.05

(.700)

17.78

Typical application is secondary

protection on telecom line cards

UL 497A recognition

Thermal fuse links

Bourns TISP

for the overvoltage section of the

protection circuit

MAX.

(.135 ± .015)

3.43 ± .381

(INCHES)

4B 04 B - 524 - RC LF

products are recommended

(.014)

0.36

MAX.

(.120)

REV. 06/06

3.05

MAX.

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