Specifications are subject to change without notice.
4A08P-505-RC - Surge Line Protection Module
Matched Pair of Resistors
Electrical Characteristics
Resistance Values (R1 = R2)...............................................10 - 100
Resistance Tolerance ..................................................................5 %
TCR ..................................................................................100 ppm/C
Ratio Tolerance ...........................................................................1 %
Temperature Range...................................................-40 C to +85 C
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 s,
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 s,
60 Seconds Between Pulses:
Number of Pulses .............................10 simultaneous each polarity
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
50 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................15 minutes
100 Vrms, 0.17 Amp Short Circuit Current:
Duration...........................................................................15 minutes
600 Vrms, 1.00 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 s:
Number of Pulses ...............................1 simultaneous each polarity
Second Level AC Power Fault -
Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
Features
I
Overvoltage/lightning protection to BELLCORE GR-1089
I
Typical application is secondary protection on telecom line cards
22.35
.13
(0.880
.005)
12.70
.13
(0.500
.005)
5.10
.13
(0.200
.005)
0.51
.05
(0.020
.002)
2.54
.13
(0.100
.005)
2.54
.13
(0.100
.005)
2
1
3
4
2
3
1
4
Product Dimensions
Electrical Schematic
DIMENSIONS:
MILLIMETERS
(INCHES)
COPYRIGHT 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211
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09/02
.38
(.015)
MAX.
RADIUS
22.35
.05
(0.880
.002)
22.50
.38
(0.885
.015)
4.10
.25
(0.160
.010)
.270
.127
.050
.005)
1.270
.127
(0.050
.005)
0.64
.05
(0.025
.002)
0.25
.05
(0.010
.002)
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
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