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4A12P-516-500 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Surge Line Protection Module
Features
I Overcurrent/lightning protection to BELLCORE GR-1089
I Typical application is secondary protection on telecom line cards
I UL497A recognition
I Thermal fuse links
4A12P-516-500 - Surge Line Protection Module
Electrical Characteristics
Resistance Value..........................................................................50 Ω
Resistance Tolerance ..................................................................±1 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance ........................................................................±0.5 %
Temperature Range...................................................-40 ºC to +85 ºC
Physical Characteristics
Body Style ...........................................Dual In Line SMD - Twin Pack
Substrate Material ........................................................96 % Alumina
Lead Frame Material........................................Copper, solder coated
Flammability .....................................................Conforms to UL94V-0
Processability................Unit is only suitable for no-clean processing
Convection Reflow...................Unit will withstand 260 °, 20 seconds
Packaging .................16 “ diameter reels, 44 mm tape, 250 pcs./reel
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
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. Device will fail prior to Bussman MDQ 1-6/10 A
fuse in series.
100 Vrms, 2.2 Amp Short Circuit Current:
Duration...........................................................................15 minutes
600 Vrms, 7 Amp Short Circuit Current:
Duration............................................................................5 seconds
250 Vrms, 25 Amp Short Circuit Current:
Duration...........................................................................15 minutes
600 Vrms, 60 Amp Short Circuit Current:
Duration............................................................................5 seconds
Specifications are subject to change without notice.
Product Dimensions
(312.2.8912)MAX.
MAX.(7.3.8170)
2.80
(.110)
12.70 14.59
(.500) (.575)
12 4
3.72
(.146)
10.16 ± .13
(.400 ± .005)
8 10 11
2.54 ± .13
(.100 ± .005)
DIMENSIONS: MILLIMETERS
(INCHES)
Electrical Schematic
R2B
R1B
F2B
22 21
19
15
1
2
F1A
4
8
R1A
R2A
4.07 ± .25
(.160 ± .010)
F1B
13 12
10 11
F2A
How To Order
4A 12 P - 516 - 500
Model
(4A = Surface Mount)
Number of Pins
Physical Configuration
Electrical Configuration
516 = Matched pair of resistors plus thermal fuse
Resistance Code
• 500 = 50 Ω
Reliable Electronic Solutions
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bourns.com
09/02
COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211