Bourns B0500T Telefuse smd power cross protection fuse Datasheet

PL
IA
NT
Features
*R
oH
S
CO
M
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■
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For use in telecommunication circuit applications requiring low current protection
with high surge tolerance
Overcurrent protection to Telcordia GR-1089-CORE Issue 4 (B1250T only)
& UL 1950/60950
Bourns® TISP® products are recommended for the overvoltage section of the circuit
Agency recognition:
File: E198545
RoHS compliant*
Telefuse™ SMD Power Cross Protection Fuse
Electrical Characteristics
Model
Number
Ampere
Rating
(A)
Voltage
Rating
(VRMS)
B0500T
B1250T
B2000T
0.500
1.25
2.0
600
600
600
Temperature Range ........-55 ºC to +125 ºC
Environmental Characteristics
Thermal Shock ......................MIL-STD-202,
Method 107, Test Condition B
(-65 °C to +125 °C)
Shock ..........MIL-STD-202, Method 213,
Test Condition I
(100 Gs peak for 6 milliseconds)
Vibration ........MIL-STD-202, Method 201
(10-55 Hz, 0.06 inch total excursion)
Salt Spray ....MIL-STD-202, Method 101,
Test Condition B (48 hrs.)
Insulation Resistance ........MIL-STD-202,
Method 302, Test Condition A
(after opening)
10,000 ohms minimum
Solderability ..MIL-STD-202, Method 208
Resistance to Solder Heat
..................MIL-STD-202, Method 210,
Test Condition J (235 °C, 30 sec.)
Physical Characteristics
Body Material
..........Ceramic with tin plated brass caps
Solder ............................................Lead free
Solder Reflow Temperature
..............................240 °C for 30 seconds
260 °C for 3 seconds
Packaging ..............2,000 pcs. per 13 ” reel
Typical
Cold
Resistance
(ohms)
0.350
0.075
0.056
Volt-drop
@ 100 % In
(Volts)
max.
0.23
0.18
0.16
Melting I2T
< 10 msec
(A2 sec.)
Melting I2T
@ 10 In
(A2 sec.)
2
14
33
2.3
17
37
Maximum
Power
Dissipation
(W)
0.20
0.40
0.52
Lightning Surge Withstand Capabilities
Max. Rise/
Min. Decay
(µs)
10/1000
10/360
2/10
10/360
2/10
8/20
Repetitions
Total
50
50
20
10
2
2
Minimum
Peak
Each Polarity Voltage (V)
25
1000
25
1000
10
2500
5
1000
1
5000
1
5000
Minimum Withstand Peak Current (A)
B0500T
25
30
120
30
120
75
B1250T
100
125
500
125
500
300
B2000T
120
150
600
150
600
350
Test Methods per GR-1089/TIA-968-A (FCC Pt. 68)
AC Power Fault Tests
Short
GR-1089
Circuit
1st Level Voltage Current
Test
(VRMS)
(A)
1
2
3
4
6
7
8
9
50
100
200,400,
600
1000
600
440
600
1000
0.33
0.17
Fuse Characteristics
Applications Duration
1
15 min.
1
15 min.
1
60
1 sec.
1
0.5
2.2
3
5
60
1
5
5
5
1 sec.
30 sec.
2 sec.
1.1 sec.
0.4 sec.
B0500T
B1250T
B2000T
Parts pass all 1st Level tests
Will open
Will open
Will open
AC Current Limiting Protector Tests/Fusing Coordination Tests
Maximum Time for Fuse to Open (Seconds)
Asia-Pacific:
TEL +886- (0)2 25624117
FAX +886- (0)2 25624116
Europe:
TEL +41-41 7685555
FAX +41-41 7685510
The Americas:
TEL +1-951 781-5500
FAX +1-951 781-5700
www.bourns.com
Voltage
(Vac)
Current
(A)
600
600
600
600
600
600
600
600
600
600
600
2.2
2.6
3.0
3.75
5
7
10
12.5
20
25
30
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
Duration
B0500T
B1250T
B2000T
Up to 15 Min.
1.0
0.8
0.5
0.3
0.2
0.08
0.04
0.01
0.005
0.004
0.003
900
50
10
5
2
1
0.5
0.2
0.07
0.04
0.02
Will not open
2000
100
10
3
2
0.7
0.3
0.1
0.07
0.05
Telefuse™ SMD Power Cross Protection Fuse
Time/Current Characteristic Curve
Product Dimensions
1000
2.03 ± .102
(.080 ± .004)
Current (Amperes)
100
10
9.65 ± .254
(.38 ± .01)
B2000T
B1250T
1
3.05 ± .127
(.120 ± .005)
B0500T
3.05 ± .127
(.120 ± .005)
0.1
0.01
0.01
0.1
1
10
100
1000
10000
Recommended Pad Layout
Time (Seconds)
3.81
(.15)
4.06
(.16)
5.08
(.20)
DIMENSIONS:
MM
(INCHES)
Solder Profile - 260 °C for 3 Seconds
300
PREHEAT
ZONE 2
ZONE 3
REFLOW
COOL
267
TEMPERATURE (°C)
233
200
167
133
100
67
33
0
0
48
95
143
190
238
286
333
381
429
SECONDS
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Telefuse™ SMD Power Cross Protection Fuse
Packaging Specifications
2.2
(.087)
20
(.787)
13.0
DIA.
(.512)
1.55 ± 0.05
(.061 ± .002)
DIA.
55.0
(2.165)
DIA.
21.0
(.827)
DIA.
0.40 ± 0.05
(.016 ± .002)
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.1
(.079 ± .004)
1.75 ± 0.1
(.069 ± .004)
1.6 ± 0.05
(.063 ± .002)
DIA.
CL
7.50 ± 0.1
(.295 ± .004)
10.0 ± 0.1
(.394 ± .004)
R
3 ° REF.
3.50 ± 0.1
(.138 ± .004)
0.3
(.012)
TYP.
16.0 ± 0.3
(.630 ± .012)
8.0 ± 0.1
(.315 ± .004)
3.50 ± 0.1
(.138 ± .004)
1.6
(.063)
330
(12.992)
DIA.
DIMENSIONS:
REV. 01/09
“Telefuse” is a trademark of Bourns, Inc.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MM
(INCHES)
CL
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