THINKING KRT2500008XXU

Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Features
1. RoHS compliant
2. Broadest range of resettable devices available in the industry
3. Current ratings from 0.08 to 0.18A
4. Maximum operating voltage is 60V, maximum interrupt voltage
is 250V
5. Operating temperature range : -40 ~ +85℃
6. Agency Recognition :UL /cUL/TUV
Recommended Applications
1. Telecommunication
2. Network equipment
Part Number Code
K
R
T
2
5
0
0
0
1
2
F
B
Y
1
2
3
4
5
6
7
8
9
10
11
12
13
Product Type
K
Thinking
PPTC
thermistor
Form Factor
R
Radial
Max. Operating
Voltage
Usage
G
T
General
Telecom
016
030
060
16V
30V
60V
Note : for
telecom with
Vmax. interrupt
250
600
250V
600V
Appearance
I hold
0008
0090
0014
0135
0170
0600
1000
1200
14
0.08A
0.9A
0.14A
1.35A
1.7A
6A
10A
12A
S
I
F
Straight lead
Inner kink lead
Y Kink lead
15
16
Packaging
B
R
Bulk
Taping & Reel
Optional Suffix
Y
RoHS
compliant
Structure and Dimensions
Style 1
Style 2
Style 3
Style 4
Marking: Device is marked Vmax. operation, I hold
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
1
www.thinking.com.tw
2009.10
Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Part no.
KRT2500008
KRT2500008XXU
KRT2500011
KRT2500011XXU
KRT2500012
KRT2500012XXU
KRT2500015
KRT2500015XXU
KRT2500018
KRT2500018XXU
A
B
C
D
E
F
(Unit: mm)
Figure
Max.
Max.
Typ.
Typ.
Max.
Typ.
Style
5.8
5.1
6.8
5.9
6.5
6.0
6.5
6.0
10.9
10.4
9.6
9.1
9.9
9.4
11.0
10.0
11.0
10.0
12.6
12.6
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
5.0±0.8
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.6
3.8
4.6
3.8
4.6
3.8
4.6
3.8
4.6
3.8
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
0.65±0.04
1
3
1
3
2
4
2
4
2
4
Electrical Characteristics(23℃
℃)
Vmax.
Imax.
Part no.
(Vdc)
Ihold
Itrip
Vmax
@ 23℃ @ 23℃ Interrupt
(A)
(A)
(A)
Pd
(Max.)
Maximum
Time to Trip
Resistance (Ω)
Initial (Ri)
Post trip (R1)
Safety
Approvals
(VAC)
(W)
(A)
(Sec.)
Min.
Max.
UL/cUL
TUV
KRT2500008
60
3.0
0.080 0.160
250
KRT2500008XXU
60
3.0
0.080 0.160
250
KRT2500011
60
3.0
0.110 0.220
250
KRT2500011XXU
60
3.0
0.110 0.220
250
KRT2500012
60
3.0
0.120 0.240
250
KRT2500012XXU
60
3.0
0.120 0.240
250
KRT2500015
60
3.0
0.150 0.290
250
KRT2500015XXU
60
3.0
0.150 0.290
250
KRT2500018
60
10.0
0.180 0.650
250
KRT2500018XXU
60
10.0
0.180 0.650
250
Note1: The first X is appearance, the second X is packaging.
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.50
1.50
0.35
0.35
1.00
1.00
1.00
1.00
1.00
1.00
1.50
1.50
4.00
4.00
2.00
2.00
2.00
2.00
2.50
2.50
11.00
10.00
14.00
14.00
5.00
5.00
4.00
6.00
3.00
3.50
0.80
0.80
33.00
33.00
16.00
16.00
16.00
16.00
12.00
12.00
4.00
4.00
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Note2: U=Uncoating
Note3: UL&cUL File No. E138827
TUV File No. R50066618
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
2
www.thinking.com.tw
2009.10
Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Typical Time to Trip Curves at 23℃
℃
Time to trip (sec.)
1= KRT2500008
2= KRT2500011
3= KRT2500012
4= KRT2500015
5= KRT2500018
Fault current (A)
Thermal Derating Curve
Percentage of Derated Current
Derating Curves for KRT 250 Series
A= KRT2500018 (U)
B=Others
Temperature (°C)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
3
www.thinking.com.tw
2009.10
Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Reliability
Item
Standard
Passive Aging
IEC60738-1
Humidity storage
Specification Standard
Test Condition/methods
Criteria
85±5℃, 1000±24hrs
±5% typical resistance change
85±5℃, 80~85%RH, 1000±24hrs
±5% typical resistance change
85±5/-40±5℃, 10 cycles
±5% typical resistance change
Rapid Change of
IEC60738-1
Temperature
Vmax,120% Imax ,50 cycles
Overload Endurance
UL 1434
No arcing or burring
Vmax,300% Itrip ,6000 cycles
Trip endurance
UL 1434
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
Vmax, Itrip≦ I≦Imax , 1000±24hrs
4
No arcing or burring
www.thinking.com.tw
2009.10
Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Packaging
Devices taped using EIA468-B/IEC286-2 standards. See table below and Fig. 1~3 for details.
Dimension description
IEC Mark
Dimension (mm)
Tolerance (mm)
Sprocket hole pitch
Ordinate to adjacent component lead
KRT2500008-KRT2500018
Device pitch
KRT2500008-KRT2500018
Lead spacing
Carrier tape width
Top distance between tape edges
Hold-down tape width
Sprocket hole position
P0
12.7
±0.3
P1
3.6
±1.0
P
12.7
±1.0
C
W
W0
W1
W2
H1
H0
D0
L1
See “ Structure and Dimensions”
18
3.0
12
9.0
32.2
16.0
4
1
0.9
0
0
56
340
31
80
-±1.0
Max
±1.0
+0.75/-0.5
Max.
±0.5
±0.2
Max.
Max.
±1.0
±1.3
Max.
±10
±1
Min.
Abscissa to top
Abscissa to plane (kinked lead)
Sprocket hole diameter
Lead protrusion
Tape thickness
Body lateral deviation
Body tape plane deviation
Reel width
Reel diameter
Arbor hole diameter
Core diameter
t
∆h
∆p
W3
n0
n
Taping Specification
T
P
P
p
p
△h
△h
p
H1
P1
W0
P1
H
H0
H0
W2
W
p
W2
W1
W
L1
C
P0
C
D0
W1
t
L1
Fig.1
C
P0
Fig.2
Note:
1.
For KRT2500008, KRT2500011, pls see Fig. 1.
2.
For KRT2500012-KRT2500018, pls see Fig. 2.
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
5
www.thinking.com.tw
2009.10
D0
Polymer PTC Resettable Fuse:
:KRT Series
Radial Leaded Type KRT250 For Telecom Application
Reel Specification
Fig.3
Quantity
Bulk packing
Series
Quantity PCS/Bag
KRT250 (0008 ~ 0015)
300
KRT2500018
200
Series
Quantity PCS/Reel
KRT250 (0008 ~ 0015)
1500
KRT2500018
1200
Reel packing
Storage Conditions of Products
Storage Conditions:
1.Storage Temperature : -10℃~+40℃
2.Relative Humidity: ≦75%RH
3. Keep away from corrosive atmosphere and sunlight.
Period of Storage :1 year
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice
6
www.thinking.com.tw
2009.10