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4A12P-1AH-12R5 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Surge Line Protection Module
LVEREAoRDHSSFIORCNEOSEMAPRLEIANT*
Features
■ Lead free versions available (RoHS compliant*)
■ Overcurrent/lightning protection to TELCORDIA GR-1089 Issue 3
■ Typical application is secondary protection on telecom line cards
■ UL497A recognition
■ Thermal fuse links
■ Must be used in conjunction with a solid state primary protector, or a GDT primary protector
4A12P-1AH-12R5 - Surge Line Protection Module
Electrical Characteristics
Resistance Value ................................................................12.5 ohms
Resistance Tolerance ..................................................................±5 %
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 inch diameter reels, 44 mm tape, 250 pcs./reel
Functional Characteristics @ 25 °C (per Telcordia GR-1089 Issue 3)
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
Meets Protection Coordination as defined in Telcordia Section
4.6.7.1, Condition A.
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.........................................................Sixty 1-second pulses
440 Vrms, 2.2 Amp Short Circuit Current:
Duration .........................................................Five 2-second pulses,
cooling to ambient between pulses
600 Vrms, 3.00 Amp Short Circuit Current:
Duration ......................................................Five 1.1-second pulses,
cooling to ambient between pulses
Functional Characteristics @ 25 °C (Continued)
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
Product Dimensions
TOP VIEW
40.64 ± .25
(1.600 ± .010)
24 22
19 18
15 13
12.70 ± .13
(0.500 ± .005)
13
67
10 12
FRONT VIEW
6.2 ± .25
(0.244 ± 0.010)
7.62 ± .13
(0.300 ± 0.005)
5.08 ± .13
0.5
(0.200 ± 0.005) (0.020)
BOTTOM VIEW
13
67
10 12
SIDE VIEW
5.28 ± .013
(0.208 ± .005)
14.10 ± .25
(0.555 ± .010
0.25
(0.010)
1.68
(0.066)
2.31 ± .25
(0.091 ± .010)
2.49 ± .25
(0.098 ± .010)
7.11 ± .25
(0.280 ± .010)
24 22
19 18
15 13
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.