(0.600)
4B04B-501 (Pair of Matched Resistors)
Resistance Values ........................................20 ohms - 100 ohms
Resistance Tolerance ...........................................................±1 %
TCR............................................................................100 ppm/°C
Ratio Tolerance.......................................>34 ohms...........±0.5 %
Power Dissipation (per resistor) @ 25 ºC ................................2 W
Temperature Range ..........................................-55 ºC to +125 ºC
TESTS PER MIL-STD-202 ..............................................∆R MAX.
Resistance to Solvents .........................No Marking Deterioration
Resistance to Solder Heat ...........................±0.5 % or 0.5 ohms,
Solderability .......................................................>95 % Coverage
Insulation Resistance ................10 megohms min. (isolated pins)
Bias Humidity Test .......................................50 V/85 % RH/85 °C
Lightning Surge Test
Bellcore Spec GR-1089
ITU-T K.20
Power Cross Test .............................................Per Bellcore spec.
Body Style ..........................................................Open Frame SIP
Body Material..........................................................96 % Alumina
Lead Frame Material..................................Copper, solder coated
Standard Parts Available Off the Shelf ..........50 ohms, 100 ohms
Model
(4B = Open Frame)
Number of Pins
Physical Configuration
Electrical Configuration
• 501 = Pair of Matched Resistors
Resistance Code
• First 2 digits are significant
• Third digit represents the
Lead Free Option
15.24
*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.
Product Characteristics
Environmental Characteristics
Functional Characteristics
Physical Characteristics
How To Order
number of zeros to follow
Blank = Standard Product
LF = Lead Free / RoHS Compliant Product
TYP.
1
(0.600)
15.24
(Vrms applied vary with resistance values)
7
(0.600)
(2.000)
50.80
15.24
10 x 1000 µsec .................1 kV
2 x 10 µsec ....................2.5 kV
10 x 700 µsec ...................2 kV
13
4B 04 B - 50X - XXX LF
(0.600)
15.24
<34 ohms..............±1 %
whichever is greater
19
4B04B-50X-RC - Surge Line Protection Modules
(0.500)
Features
12.70
(RoHS compliant*)
Overvoltage/lightning protection to
Bellcore GR-1089 & ITU-T K.20
Standard “off the shelf” designs
Typical application is secondary
protection on telecom line cards
Lead free versions available
MAX.
(.014 Max.)
(.090 Max.)
0.36 Max.
2.29 Max.
4B04B-502 (Resistor with Thermal Fuse)
Resistance Values.......................................5.6 ohms - 100 ohms
Resistance Tolerance....................1 % (optional), 5 % (standard)
TCR ..................................................................800 ±200 ppm/°C
Power Dissipation @ 25 ºC.....................................................2 W
Temperature Range..........................................-55 ºC to +125 ºC
Lightning Surge Test
Bellcore Spec GR-1089
Power Cross Test ............................................Per Bellcore spec.
Body Style ..........................................................Open Frame SIP
Body Material .........................................................96 % Alumina
Lead Frame Material .................................Copper, solder coated
Standard Parts Available Off the Shelf
Model
(4B = Open Frame)
Number of Pins
Physical Configuration
Electrical Configuration
• 502 = Resistor with Thermal Fuse
Resistance Code
• First 2 digits are significant
• Third digit represents the
5% Tolerance
Lead Free Option
Product Characteristics
Functional Characteristics
Physical Characteristics
How To Order
.....................................................5.6 ohms, 10 ohms, 34 ohms
number of zeros to follow
Blank = Standard Product
LF = Lead Free / RoHS Compliant Product
(0.135 ± 0.015)
Functional Schematic
3.43 ± 0.38
MAX.
(.100±.005)
2.54±.127
(0.445)
11.30
1
2
(Vrms applied vary with resistance values)
(0.700±.010)
(1.000±.020)
17.78±.254
(.055 Max.)
25.40±.50
1.40 Max.
Custom versions available, including
SMD solutions and fuse technology
(contact factory)
Governing dimensions are in mm.
Dimensions in parenthesis are inches
and are approximate.
User must short pins 3 & 4 on the circuit board
TYP.
10 x 1000 µsec ..................1 kV
2 x 10 µsec .....................2.5 kV
3
4B 04 B - 50X - XXX J LF
4
(.100±.005)
2.54±.127
(.014 Max.)
0.36 Max.
(.120 Max.)
3.05 Max.