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SL1021B150CG [LITTELFUSE]

Surge Protection Circuit, ROHS COMPLIANT, PACKAGE-3;
SL1021B150CG
型号： SL1021B150CG
厂家： LITTELFUSE    LITTELFUSE
描述：

Surge Protection Circuit, ROHS COMPLIANT, PACKAGE-3
文件： 总3页 (文件大小：205K)
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Gas Discharge Tubes  
High Performance Beta Range  
RoHS  
®
Pb  
Greentube™ SL1021B Series Gas Plasma Arresters  
The SL1021B series offers high levels of performance on fast ris-  
ing transients in the domain of 100V/µS to 1KV/µS, which are  
those most likely from induced Lightning disturbances. The  
SL1021B series also features ultra low capacitance (typically 1pF  
or less) and optimised internal geometry which provides low  
insertion loss at high frequencies, so are ideal for the protection  
of broadband equipment. These devices are extremely robust  
and are able to divert a 20,000Amp pulse without destruction.  
FEATURES  
• RoHS compliant except ‘RS’ suffix  
• Low insertion loss  
• Excellent response to fast rising transients.  
• Ultra low capacitance.  
• 10KA surge capability tested with 8/20µS pulse as defined by  
IEC 6100-4-5  
• 20,000 A single shot surge capability tested with 8/20µs  
pulse as defined by IEC 6100-4-5  
• Available with thermal failsafe option (add ‘F’ or ‘S’ suffix to  
part number)  
Applications:  
• Broadband equipment.  
• ADSL equipment.  
• XDSL equipment.  
SL1021A xxxC  
• Satellite and CATV equipment.  
• General telecom equipment.  
SL1021B xxxR  
All dimensions in mm  
a
b
ø8.0+_0.2  
e
3 ELECTRODE GDT  
a=TIP  
b=RING  
e=GROUND  
(centre electrode)  
ø1.0+_0.2  
SL1021B xxxRF  
SL1021B xxxRS  
GRAPHICAL SYMBOL  
ORDERING INFORMATION  
SL 1021 B  
Voltage  
Mechanical Specifications:  
Weight:  
0.63g (0.022 oz.)  
Materials:  
Electrode Base: Nickel Iron Alloy  
Electrode Plating: Bright Sn  
Body: Ceramic  
Pin Configuration  
C=Coreꢀ  
R=Leaded  
Device Marking: Littelfuse ‘LF’ marking, Voltage and date  
Failsafe Option  
code. Blue.  
F=Plasticꢀ  
S=Solder  
338  
www. lit t elf use. com  
Gas Discharge Tubes  
High Performance Beta Range  
RoHS  
®
Pb  
Greentube™ SL1021B Series Gas Plasma Arresters  
LITTELFUSE 3 TERMINAL HEAVY DUTY ARRESTER SERIES  
TOTALLY NON-RADIOACTIVE, UL RECOGNIZED  
Max  
Repetitive  
Impulse  
Discharge  
Current  
(kA)  
Max Single  
Impulse  
Discharge  
Current  
DC  
Breakover  
Voltage  
Min-Max  
(V)  
Max  
Max  
Alternating  
Discharge  
Current1,3,6  
(A)  
Max  
Impulse  
Discharge  
Current  
(kA)  
Dynamic  
Breakover  
Voltage @  
100V/µs  
Max  
DC Voltage  
@ 100V/sec  
(V)  
Alternating  
Discharge  
Current5 (A)  
10/350µs5,6  
(kA)  
Life Test  
Rating2  
Part Number  
SL1021B145  
SL1021B150  
SL1021B200  
SL1021B230  
SL1021B250  
SL1021B260  
SL1021B300  
SL1021B350  
SL1021B400  
SL1021B420  
SL1021B450  
SL1021B500  
116-174  
120-180  
150-250  
184-276  
200-300  
210-310  
240-360  
280-420  
320-480  
345-500  
360-540  
400-500  
500  
500  
350  
350  
400  
420  
450  
500  
550  
600  
650  
750  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
100 shots  
145  
150  
200  
230  
250  
260  
350  
350  
400  
420  
450  
500  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
2.5  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
10  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
8
(1) Total current through center (ground) electrode, both line electrodes pulsed simultaneously;  
half value through respective line terminal to ground.  
(2) 100 amps, 10/1000µS pulse  
(3) 10 shots, A.C. 60 Hz, 1sec. Duration.  
(4) 10 shots, 8/20µS waveform  
(5) either end (line) electrode to centre (ground) electrode  
(6) Applies to ‘C’ option devices mounted in a suitable connector with high pressure contacts.  
Voltage vs Time Characteristic  
Time vs. Current for Failsafe  
50  
Max dynamic breakover  
voltage  
45  
40  
35  
30  
25  
20  
15  
10  
Hold-over voltage  
On-State voltage  
5
0
0
1
2
3
4
5
6
Current  
(A)  
0
200  
400  
600  
800  
1000  
1200  
1 line to ground  
both lines to ground  
Time (ns)  
339  
www. lit t elf use. com  
Gas Discharge Tubes  
High Performance Beta Range  
RoHS  
®
Pb  
Greentube™ SL1021B Series Gas Plasma Arresters  
Profilefor reflow soldering  
Profileforwave soldering  
250  
225  
200  
175  
150  
125  
100  
75  
300  
o
Solder  
T1 max = 266C  
Flow Area  
o
T
1 = 239C  
200  
Tm = 179oC  
ForcedCooling  
50  
25  
0
Preheating  
Area  
50  
100  
150  
200  
250  
300  
350  
400  
450  
500  
0
Time in seconds  
100  
10  
20  
Time(seconds)  
30  
40  
Notes:  
T1 max  
T1  
= MaximumTabTemperature = 266oC  
= FlowTempeartureof Solder = 239oC  
o
Tm  
= Melting Pointof Solder = 179 C  
o
Tamb  
= 25 C  
Maximum permissible rate of temperature change = o7C / sec  
340  
www. lit t elf use. com  

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