Features
■ Lead free versions available (RoHS compliant*)
■ Overcurrent/lightning protection to BELLCORE GR-1089
■ Typical application is secondary protection on telecom line cards
■ UL497A recognition
4B06B-512-5R6
0028
■ Thermal fuse links
4B06B-512-RC - Surge Line Protection Module
Matched Pair of Resistors
Electrical Characteristics
Product Dimensions
Resistance Values (R1 = R2) .............................................5.6 - 100 Ω
Resistance Tolerance.................................................................. 5 ꢀ
TCR..................................................................................100 ppm/°C
Ratio Tolerance ........................................................................... 2 ꢀ
Temperature Range...................................................-40 ºC to +85 ºC
33.02
(1.300)
MAX.
3.18
(.125)
MAX.
11.43
(.450)
3.43 ± .381
(.135 ± 0.015)
MAX.
1.91
(.075)
MAX.
Physical Characteristics
Body Style ................................................................Open Frame SIP
Substrate Material ........................................................96 ꢀ Alumina
Lead Frame Material .......................................Copper, solder coated
Flammability.....................................................Conforms to UL94V-0
Wave Soldering.................................................260 °C for 3 seconds
1
2
3
11 12 13
0.36
(.014)
MAX.
1.27
(.050)
2 PLCS.
20.32
(.800)
2.54
(.100)
4 PLCS.
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge -
Resistors will remain within tolerance after testing.
MILLIMETERS
(INCHES)
DIMENSIONS:
Electrical Schematic
1000 Volts Peak, 100 Amp Peak Current,
Max. Rise/Min. Decay Time 10x1000 µs,
R1
3
60 Seconds Between Pulses:
Number of Pulses..............................25 each resistor each polarity
..........................................................25 simultaneous each polarity
1
2
11 12 13
F2
2500 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10 µs,
60 Seconds Between Pulses:
F1
R2
Number of Pulses .............................10 simultaneous each polarity
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
How To Order
4B 06 B - 512 - XXX LF
50 Vrms, 0.33 Amp Short Circuit Current:
Duration...........................................................................15 minutes
Model
(4B = Open Frame)
Number of Pins
100 Vrms, 0.17 Amp Short Circuit Current:
Physical Configuration
Duration...........................................................................15 minutes
Electrical Configuration
512 = Matched pair of resistors plus thermal fuse
600 Vrms, 1.00 Amp Short Circuit Current:
Duration........................................................60 One-second pulses
Resistance Code
• 5R6 = 5.6 Ω
• 100 = 10 Ω
• 500 = 50 Ω
• 101 = 100 Ω
Second Level Lightning Surge -
Resistor package must fail safely causing no fire, electrical, or
framentation hazard.
Lead Free Option
Blank = Standard Product
LF = Lead Free / RoHS Compliant Product
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.
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe: TEL +41-41 7685555 • FAX +41-41 7685510
Americas: TEL +1-909 781-5500 • FAX +1-909 781-5700
bourns.com
*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. 07/06