4a12p 516 500

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oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
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■
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RoHS compliant* versions available
Overcurrent/lightning protection to BELLCORE GR-1089
Typical application is secondary protection on telecom line cards
UL497A recognition
Thermal fuse links
4A12P-516-RC - Surge Line Protection Module
Electrical Characteristics
Product Dimensions
Resistance Value..........................................................................50 Ω
Resistance Tolerance..................................................................±1 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance ........................................................................±0.5 %
Temperature Range...................................................-40 ºC to +85 ºC
MAX.
32.81
MAX.
(1.292)
2.80
(.110)
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
12.70 14.59
(.500) (.575)
1 2
4
8
2.54 ± .13
(.100 ± .005)
10.16 ± .13
(.400 ± .005)
DIMENSIONS:
First Level AC Power Fault Resistors will remain within tolerance after testing.
R1B
F2B
F1B
22
21
19
15
13
12
1
2
4
8
10
11
F1A
R2A
How To Order
600 Vrms, 1.00 Amp Short Circuit Current:
Duration ........................................................60 One-second pulses
Model
(4A = Surface Mount)
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.
F2A
R1A
100 Vrms, 0.17 Amp Short Circuit Current:
Duration...........................................................................15 minutes
5000 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs:
Number of Pulses ...............................1 simultaneous each polarity
MILLIMETERS
(INCHES)
R2B
50 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................15 minutes
Second Level Lightning Surge Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
4.07 ± .25
(.160 ± .010)
Electrical Schematic
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
10 11
3.72
(.146)
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge Resistors will remain within tolerance after testing.
7.87
(.310)
4A 12 P - 516 - 500 LF
Number of Pins
Physical Configuration
Electrical Configuration
516 = Matched pair of resistors plus thermal fuse
Resistance Code
• 500 = 50 Ω
• 300 = 30 Ω
• 200 = 20 Ω
RoHS Compliant Option
Blank = Standard Product
LF = RoHS Compliant Product
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
*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.
Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe: TEL +41-41 7685555 • FAX +41-41 7685510
Americas: TEL +1-951 781-5500 • FAX +1-951 781-5700
www.bourns.com
REV. 06/11
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