4A08P-505-RC Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Surge Line Protection Module

Features
I Overvoltage/lightning protection to BELLCORE GR-1089
I Typical application is secondary protection on telecom line cards
4A08P-505-RC - Surge Line Protection Module
Matched Pair of Resistors
Electrical Characteristics
Resistance Values (R1 = R2)...............................................10 - 100 Ω
Resistance Tolerance ..................................................................±5 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance ...........................................................................±1 %
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,
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
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 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.
Product Dimensions
5.10 ± .13
2.54 ± .13
(0.200 ± .005)
(0.100 ± .005)
22.35 ± .13
(0.880 ± .005)
2
1
0.51 ± .05
(0.020 ± .002)
3
12.70 ± .13
(0.500 ± .005)
4
2.54 ± .13
(0.100 ± .005)
RADIUS
.38
(.015)
MAX.
.270 ± .127
.050 ± .005)
0.64 ± .05
(0.025 ± .002)
22.35 ± .05
(0.880 ± .002)
4.10 ± .25
(0.160 ± .010)
22.50 ± .38
(0.885 ± .015)
0.25 ± .05
(0.010 ± .002)
1.270 ± .127
(0.050 ± .005)
DIMENSIONS: ^MILLIMETERS
(INCHES)
Electrical Schematic
2
3
1
4
How To Order
Model
(4A = Surface Mount)
Number of Pins
Physical Configuration
Electrical Configuration
505 = Matched pair of resistors
Resistance Code
• 500 = 50 Ω
4A 08 P - 505 - XXX
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Specifications are subject to change without notice.
09/02
COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211