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..................................................................±± ꢀ
TCR..................................................................................100 ppm/°C
Ratio Tolerance ...........................................................................±1 ꢀ
Temperature Range...................................................-40 ºC to +8± ºC
5.10 ± .13
(0.200 ± .005)
2.54 ± .13
(0.100 ± .005)
22.35 ± .13
(0.880 ± .005)
2
1
3
Physical Characteristics
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
4
0.51 ± .05
2.54 ± .13
(0.020 ± .002)
(0.100 ± .005)
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge -
Resistors will remain within tolerance after testing.
0.64 ± .05
(0.025 ± .002)
22.35 ± .05
(0.880 ± .002)
1000 Volts Peak, 100 Amp Peak Current,
Max. Rise/Min. Decay Time 10x1000 µs,
RADIUS
.38
(.015)
MAX.
60 Seconds Between Pulses:
Number of Pulses..............................2± each resistor each polarity
..........................................................2± simultaneous each polarity
4.10 ± .25
(0.160 ± .010)
0.25 ± .05
(0.010 ± .002)
2±00 Volts Peak, ±00 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs,
60 Seconds Between Pulses:
.270 ± .127
.050 ± .005)
22.50 ± .38
(0.885 ± .015)
1.270 ± .127
(0.050 ± .005)
Number of Pulses .............................10 simultaneous each polarity
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
MILLIMETERS
(INCHES)
DIMENSIONS:
±0 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................1± minutes
Electrical Schematic
100 Vrms, 0.17 Amp Short Circuit Current:
Duration...........................................................................1± minutes
2
1
3
600 Vrms, 1.00 Amp Short Circuit Current:
Duration........................................................60 One-second pulses
4
Second Level Lightning Surge -
Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
How To Order
±000 Volts Peak, ±00 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs:
Number of Pulses ...............................1 simultaneous each polarity
4A 08 P - 505 - XXX
Model
(4A = Surface Mount)
Second Level AC Power Fault -
Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
Number of Pins
Physical Configuration
Electrical Configuration
±0± = Matched pair of resistors
Resistance Code
• ±00 = ±0 Ω
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 2±624117 • FAX +886- (0)2 2±624116
Europe: TEL +41-41 768±±±± • FAX +41-41 768±±10
North America: TEL +1-909 781-±±00 • FAX +1-909 781-±700
bourns.com
09/02
COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211
Specifications are subject to change without notice.
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