4B04B-50X-XXXJ [BOURNS]
Thick Film Surge Resistor Networks; 厚膜浪涌电阻网络
| 型号： | 4B04B-50X-XXXJ |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Thick Film Surge Resistor Networks |
| 文件： | 总1页 (文件大小：109K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
■ Custom versions available, including
SMD solutions and fuse technology
(contact factory)
Features
■ Over-voltage/lightning protection to
Bellcore GR-1089 & ITU-T K.20
■ Standard “off the shelf” designs
■ Typical application is secondary
protection on telecom line cards
4B04B - Thick Film Surge Resistor Networks
4B04B-501 (Pair of Matched Resistors)
Product Characteristics
4B04B-502 (Resistor with Thermal Fuse)
Product Characteristics
Resistance Values ......................................................20Ω - 100Ω
Resistance Tolerance ............................................................±1%
TCR.............................................................................100ppm/°C
Ratio Tolerance..............................................>34Ω............±0.5%
..............................................<34Ω...............±1%
Resistance Values.....................................................5.6Ω - 100Ω
Resistance Tolerance......................1% (optional), 5% (standard)
TCR ...................................................................800 ±200ppm/°C
Power Dissipation @ 25ºC.......................................................2W
Temperature Range............................................-55ºC to +125ºC
Power Dissipation (per resistor) @ 25ºC ..................................2W
Temperature Range ............................................-55ºC to +125ºC
Functional Characteristics
Lightning Surge Test
Bellcore Spec GR-1089
Environmental Characteristics
10 x 1000 µsec ..................1 kV
2 x 10 µsec .....................2.5 kV
Power Cross Test ............................................Per Bellcore spec.
(Vrms applied vary with resistance values)
TESTS PER MIL-STD-202 ..............................................∆R MAX.
Resistance to Solvents .........................No Marking Deterioration
Resistance to Solder Heat....................................±0.5% or 0.5Ω,
whichever is greater
Solderability ........................................................>95% Coverage
Insulation Resistance ..........................10 MΩ min. (isolated pins)
Bias Humidity Test ..........................................50V/85% RH/85°C
Physical Characteristics
Body Style..........................................................Open Frame SIP
Body Material ..........................................................96% Alumina
Lead Frame Material .................................Copper, solder coated
Standard Parts Available Off the Shelf ................5.6Ω, 10Ω, 34Ω
Functional Characteristics
Lightning Surge Test
Bellcore Spec GR-1089
10 x 1000 µsec .................1 kV
2 x 10 µsec ....................2.5 kV
10 x 700 µsec ...................2 kV
ITU-T K.20
25.40±.50
(1.000±.020)
3.05 Max.
(.120 Max.)
Power Cross Test.............................................Per Bellcore spec.
(Vrms applied vary with resistance values)
Physical Characteristics
11.30
(0.445)
MAX.
Body Style ..........................................................Open Frame SIP
Body Material...........................................................96% Alumina
Lead Frame Material..................................Copper, solder coated
Standard Parts Available Off the Shelf ........................50Ω, 100Ω
1
2
3
4
2.54±.127
(.100±.005)
17.78±.254
2.54±.127
(0.700±.010)
(.100±.005)
0.36 Max.
(.014 Max.)
1.40 Max.
(.055 Max.)
TYP.
50.80
(2.000)
12.70
(0.500)
MAX.
Functional Schematic
2.29 Max.
Governing dimensions are in mm.
Dimensions in parenthesis are inches
and are approximate.
(.090 Max.)
15.24
(0.600)
15.24
(0.600)
15.24
(0.600)
15.24
(0.600)
TYP.
0.36 Max.
(.014 Max.)
19
1
7
13
User must short pins 3 & 4 on the circuit board
How To Order
How To Order
4B 04 B - 50X - XXX
4B 04 B - 50X - XXX J
Model
(4B = Open Frame)
Model
(4B = Open Frame)
Number of Pins
Number of Pins
Physical Configuration
Physical Configuration
Electrical Configuration
• 501 = Pair of Matched Resistors
Electrical Configuration
• 502 = Resistor with Thermal Fuse
Resistance Code
Resistance Code
• First 2 digits are significant
• Third digit represents the
number of zeros to follow
• First 2 digits are significant
• Third digit represents the
number of zeros to follow
5% tolerance
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