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250S130-RB

Description
POLYFUSE Resettable PTCs
File Size127KB,5 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
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250S130-RB Overview

POLYFUSE Resettable PTCs

POLYFUSE
®
Resettable PTCs
Surface Mount > 250S Series
250S Series
Description
The 250S High Voltage Radial device is a Polymer-based
PTC suitable to protect telephony equipment against
lightining and power cross strikes. The 250S Series is fully
compatible with telecommunications standards.
PRELIMINARY DATA SHEET: This product is scheduled for
release by end of 2008 and specifications may change.
Please refer to www.littelfuse.com/series/250S.html for
the current information.
Features
Agency Approvals
AGENCY
AGENCY FILE NUMBER
Pending
Directive 2002/95/EC
inspectability
standards
Applications
Electrical Characteristics
Time to Trip at 1A
P
d
typ.
(W)
Typical Maximum
(Sec.)
(Sec.)
1.2
1.2
1.2
1.2
0.9
1.4
0.7
1.1
4.0
4.0
4.0
4.0
Resistance
R
min
(Ω)
4.0
6.5
9
7
R
max
(Ω)
13
10
13
11
R
1max
(Ω)
20
15
20
17
Agency
Approvals
Part Number
I
hold
(A)
0.13
0.13
0.13
0.13
I
trip
(A)
0.26
0.26
0.26
0.26
V
max
(V
int
/V
op
)
250/60
250/60
250/60
250/60
I
max
(A)
3
3
3
3
250S130
250S130–RA
250S130–RB
250S130–RC
I
hold
= Hold current: maximum current device will pass without tripping in 23°C still air.
I
trip
= Trip current: minimum current at which the device will trip in 23°C still air.
V
int
= Maximum voltage the device can withstand without damage at rated current (I max)
V
op
= The device regular operation voltage
I
max
= Maximum fault current device can withstand without damage at rated voltage (V
max
)
P
d
= Power dissipated from device when in the tripped state at 23°C still air.
R
min
= Minimum resistance of device in initial (un-soldered) state.
R
max
= Maximum resistance of device in initial (un-soldered) state.
R
1max
= Maximum resistance of device at 20°C measured one hour after tripping.
Caution:
Operation beyond the specified rating may result in damage and possible arcing
and flame.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/250S.html for current information.
105
Revised: April 3, 2009
250S Series

250S130-RB Related Products

250S130-RB 250S130-RC 250S130 250S130-RA
Description POLYFUSE Resettable PTCs POLYFUSE Resettable PTCs POLYFUSE Resettable PTCs POLYFUSE Resettable PTCs
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