4B04B-524-RC [BOURNS]
Line Protection Network; 线路保护网
| 型号： | 4B04B-524-RC |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Line Protection Network |
| 文件： | 总1页 (文件大小：491K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
ꢀ Thermal fuse links
ꢀ Matched pair of resistors plus
ꢀ Bourns TISP® products are recommended
for the overvoltage section of the
protection circuit
thermal fuse
ꢀ Power line fault/lightning protection to
BELLCORE GR-1089
ꢀ Typical application is secondary
protection on telecom line cards
ꢀ UL 497A recognition
4B04B-524-RC - Line Protection Network
Matched Pair of Resistors plus Thermal Fuse
Electrical Characteristics
Product Dimensions
Resistance Values (R1 = R2)...............................................15Ω - 60Ω
Resistance Tolerance
>34Ω ......................................................................................... 2ꢀ
<34Ω ......................................................................................... 5ꢀ
TCR ...................................................................................100ppm/°C
Ratio Tolerance
51.05
(2.010)
MAX.
3.05
(.120)
MAX.
12.19
(.480)
>34Ω ...................................................................................... 0.5ꢀ
<34Ω ......................................................................................... 2ꢀ
Temperature Range.....................................................-40ºC to +85ºC
1
4
11
14
0.36
(.014)
MAX.
8.89
(.350)
17.78
(.700)
3.43 .381
(.135 .015)
Physical Characteristics
7.62
(.300)
Body Style..........................................................Open Frame SIP
Substrate Material...................................................96ꢀ Alumina
Lead Frame Material .................................Copper, solder coated
Flammability...............................................Conforms to UL94V-0
MM
(INCHES)
DIMENSIONS:
Functional Characteristics (per Bellcore GR-1089)
First Level Lightning Surge -
Electrical Schematic
Resistors will remain within tolerance after testing.
R1
R2
1000 Volts Peak, 100 Amp Peak Current,
Max. Rise/Min. Decay Time 10x1000µs,
Number of Pulses..............................25 each resistor each polarity
25 simultaneous each polarity
1
4
11
14
Break Open Time
2500 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10µs,
100
Number of Pulses .............................10 simultaneous each polarity
First Level AC Power Fault -
Resistors will remain within tolerance after testing.
10
1
50 Vrms, .33 Amp Short Circuit Current,
Duration...........................................................................15 minutes
SINGLE RESISTOR
BOTH RESISTORS
SIMULTANEOUS
100 Vrms, .17 Amp Short Circuit Current,
Duration...........................................................................15 minutes
0.1
600 Vrms, 1.0 Amp Short Circuit Current,
Duration........................................................60 One-second pulses
0.01
10
100
Power (Watts)
1000
10000
Second Level Lightning Surge -
Resistor package must fail safely causing no fire,
electrical, or framentation hazard.
5000 Volts Peak, 500 Amp Peak Current,
Max. Rise/Min. Decay Time 2x10µs,
How To Order
Number of Pulses ...............................1 simultaneous each polarity
4B 04 B - 524 - RC
Model
(4B = Open Frame)
Second Level AC Power Fault -
Resistor package must fail safely causing no fire,
electrical, or framentation hazard.
Number of Pins
Physical Configuration
Electrical Configuration
• 524 = Matched Pair of Resistors plus Thermal Fuse
Standard Resistance Values
Resistance Code
Resistance
(ohms)
Resistance
Code
• First 2 digits are significant
• Third digit represents the number of zeros to follow
20
40
50
200
400
500
REV. A
COPYRIGHT© 2001, BOURNS, INC. LITHO IN U.S.A. IP 7/01 N0XXX
Specifications are subject to change without notice.
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