Features
■ 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..................................................................±± ꢀ
TCR..................................................................................±00 ppm/°C
Ratio Tolerance ........................................................................±0.5 ꢀ
Temperature Range...................................................-40 ºC to +85 ºC
7.87
(.310)
MAX.
32.81
(1.292)
MAX.
2.80
(.110)
Physical Characteristics
12.70 14.59
(.500) (.575)
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.................±6 “ diameter reels, 44 mm tape, 250 pcs./reel
1
2
4
8
10 11
3.72
(.146)
2.54 ± .13
(.100 ± .005)
4.07 ± .25
(.160 ± .010)
10.16 ± .13
(.400 ± .005)
MILLIMETERS
(INCHES)
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge -
Resistors will remain within tolerance after testing.
DIMENSIONS:
Electrical Schematic
±000 Volts Peak, ±00 Amp Peak Current,
Max. Rise/Min. Decay Time ±0x±000 µs,
60 Seconds Between Pulses:
R2B
R1B
Number of Pulses..............................25 each resistor each polarity
F2B
F1B
2500 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x±0 µs,
22
21
2
19
4
15
8
13
10
12
11
60 Seconds Between Pulses:
1
Number of Pulses .............................±0 simultaneous each polarity
F1A
F2A
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
R1A
R2A
50 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................±5 minutes
±00 Vrms, 0.±7 Amp Short Circuit Current:
Duration...........................................................................±5 minutes
How To Order
4A 12 P - 516 - 500 LF
600 Vrms, ±.00 Amp Short Circuit Current:
Duration........................................................60 One-second pulses
Model
(4A = Surface Mount)
Number of Pins
Second Level Lightning Surge -
Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
Physical Configuration
Electrical Configuration
5±6 = Matched pair of resistors plus thermal fuse
5000 Volts Peak, 500 Amp Peak Current,
Resistance Code
• 500 = 50 Ω
• 300 = 30 Ω
• 200 = 20 Ω
Max. Rise/Min. Decay Time 2x±0 µs:
Number of Pulses ...............................± simultaneous each polarity
Second Level AC Power Fault -
RoHS Compliant Option
Blank = Standard Product
LF = RoHS Compliant Product
Resistor package must fail safely causing no fire, electrical, or
framentation hazard. Device will fail prior to Bussman MDQ ±-6/±0 A
fuse in series.
±00 Vrms, 2.2 Amp Short Circuit Current:
Duration...........................................................................±5 minutes
600 Vrms, 7 Amp Short Circuit Current:
Duration............................................................................5 seconds
Asia-Pacific: TEL +886- (0)2 25624±±7 • FAX +886- (0)2 25624±±6
Europe: TEL +4±-4± 7685555 • FAX +4±-4± 76855±0
Americas: TEL +±-95± 78±-5500 • FAX +±-95± 78±-5700
250 Vrms, 25 Amp Short Circuit Current:
Duration...........................................................................±5 minutes
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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.
REV. 06/11