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4B04B-523-RC_11 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Line Protection Module
*RoHS VCEOARMVSAPIOILLINAASBNLTE
Features
■ RoHS compliant* versions available
■ Matched pair of resistors
■ Power line fault/lightning protection to
BELLCORE GR-1089
■ Typical application is secondary
protection on telecom line cards
■ Bourns TISP® products are recommended
for the overvoltage section of the
protection circuit
4B04B-523-RC - Line Protection Module
Matched Pair of Resistors
Electrical Characteristics
Resistance Values (R1 = R2) .................................15 ohms- 60 ohms
Resistance Tolerance
>34Ω ........................................................................................±2 %
<34Ω ........................................................................................±5 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance
>34Ω .....................................................................................±0.5 %
<34Ω ........................................................................................±2 %
Temperature Range...................................................-40 ºC to +85 ºC
Physical Characteristics
Body Style ................................................................Open Frame SIP
Substrate Material ........................................................96 % Alumina
Lead Frame Material........................................Copper, solder coated
Flammability .....................................................Conforms to UL94V-0
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge -
Resistors will remain within tolerance after testing.
1000 Volts Peak, 100 Amp Peak Current,
Max. Rise/Min. Decay Time 10x1000 µs,
Number of Pulses ..............................25 each resistor each polarity
25 simultaneous each polarity
2500 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs,
Number of Pulses .............................10 simultaneous each polarity
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
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
Second Level Lightning Surge -
Resistor package must fail safely causing no fire,
electrical, or framentation hazard.
5000 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs,
Number of Pulses ...............................1 simultaneous each polarity
Second Level AC Power Fault -
Resistor package must fail safely causing no fire,
electrical, or framentation hazard.
Standard Resistance Values
Resistance
(ohms)
20
40
50
Resistance
Code
200
400
500
*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.
Product Dimensions
51.05
(2.010)
MAX.
12.19
(.480)
1
8.89
(.350)
7.62
(.300)
4
17.78
(.700)
11 14
3.43 ± .381
(.135 ± .015)
DIMENSIONS:
MM
(INCHES)
Electrical Schematic
R1
R2
1
4 11
14
Break Open Time
1.52
(.060)
MAX.
0.36
(.014)
MAX.
How To Order
4B 04 B - 523 - RC LF
Model
(4B = Open Frame)
Number of Pins
Physical Configuration
Electrical Configuration
• 523 = Matched Pair of Resistors
Resistance Code
• First 2 digits are significant
• Third digit represents the number of zeros to follow
RoHS Compliant Option
Blank = Standard Product
LF =RoHS Compliant Product
REV. 06/11