4A08P-505-RC

Features
■
■
Overvoltage/lightning protection to BELLCORE GR-1089
Typical application is secondary protection on telecom line cards
4A08P-505-RC - Surge Line Protection Module
Matched Pair of Resistors
Electrical Characteristics
Product Dimensions
Resistance Values (R1 = R2) ..............................................10 - 100 Ω
Resistance Tolerance..................................................................±5 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance ...........................................................................±1 %
Temperature Range...................................................-40 ºC to +85 ºC
2.54 ± .13
(0.100 ± .005)
22.35 ± .13
(0.880 ± .005)
5.10 ± .13
(0.200 ± .005)
2
Physical Characteristics
3
12.70 ± .13
(0.500 ± .005)
Body Style ................................................................Open Frame SIP
Substrate Material ........................................................96 % Alumina
Lead Frame Material .......................................Copper, solder coated
Flammability .....................................................Conforms to UL94V-0
1
4
0.51 ± .05
(0.020 ± .002)
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,
60 Seconds Between Pulses:
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,
60 Seconds Between Pulses:
Number of Pulses .............................10 simultaneous each polarity
0.64 ± .05
(0.025 ± .002)
22.35 ± .05
(0.880 ± .002)
RADIUS
.38
(.015)
MAX.
4.10 ± .25
(0.160 ± .010)
.270 ± .127
.050 ± .005)
First Level AC Power Fault Resistors will remain within tolerance after testing.
50 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................15 minutes
2.54 ± .13
(0.100 ± .005)
0.25 ± .05
(0.010 ± .002)
22.50 ± .38
(0.885 ± .015)
DIMENSIONS:
1.270 ± .127
(0.050 ± .005)
MILLIMETERS
(INCHES)
Electrical Schematic
100 Vrms, 0.17 Amp Short Circuit Current:
Duration...........................................................................15 minutes
600 Vrms, 1.00 Amp Short Circuit Current:
Duration ........................................................60 One-second pulses
2
3
1
4
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.
How To Order
4A 08 P - 505 - XXX
Model
(4A = Surface Mount)
Number of Pins
Physical Configuration
Electrical Configuration
505 = Matched pair of resistors
Resistance Code
• 500 = 50 Ω
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe: TEL +41-41 7685555 • FAX +41-41 7685510
North America: TEL +1-909 781-5500 • FAX +1-909 781-5700
bourns.com
Specifications are subject to change without notice.
09/02
COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211
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