4b04b 523 rc

*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
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
Product Dimensions
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
51.05
MAX.
(2.010)
12.19
(.480)
1
8.89
(.350)
Physical Characteristics
Body Style ................................................................Open Frame SIP
Substrate Material ........................................................96 % Alumina
Lead Frame Material........................................Copper, solder coated
Flammability .....................................................Conforms to UL94V-0
1.52
(.060)
MAX.
4
11
7.62
(.300)
14
0.36
(.014)
MAX.
3.43 ± .381
(.135 ± .015)
17.78
(.700)
MM
(INCHES)
DIMENSIONS:
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge Resistors will remain within tolerance after testing.
Electrical Schematic
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
R1
1
R2
4
11
14
Break Open Time
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
How To Order
4B 04 B - 523 - RC LF
Second Level AC Power Fault Resistor package must fail safely causing no fire,
electrical, or framentation hazard.
Model
(4B = Open Frame)
Number of Pins
Standard Resistance Values
Physical Configuration
Resistance
(ohms)
Resistance
Code
20
40
50
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.
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
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