参数资料
型号: 0805L_06
厂商: Littelfuse, Inc.
英文描述: Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.6 to 5.0; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: MHD
中文描述: POLYFUSE㈢复式胆道镜表面贴装
文件页数: 44/74页
文件大小: 4781K
代理商: 0805L_06
www.littelfuse.com
2006 Littelfuse
50
Electronics Designers Guide
POLYFUSE Resettable PTCs
Radial Leaded
50R Series
Specifications are subject to change without notice.
The250Rseriesisdesignedtoprotectagainstshort
durationhighvoltagefaultcurrents(powercrossor
powerinductionsurge)typicallyfoundintelecom
applications(250Vrms).Theseriescanbeusedtohelp
telecomnetworkingequipmentmeettheprotection
requirementsspecifiedinITUK.20andK.21.
Electrical Characteristics
Part Number
I
hold
(A)
I
trip
(A)
V
max
V
int / Vop
I
max
(A)
P
d
max.
(W)
Maximum Time
To Trip
Resistance
Agency
Approvals
Current
(A)
Time
(Sec.)
R
min
(
Ω)
R
typ
(
Ω)
R
1max
(
Ω)
250R080T
0.08
0.16
250/60
3
1
0.35
3
15
22
33
X
250R080
0.08
0.16
250/60
3
1
0.35
3
14
22
33
X
250R120
0.12
0.24
250/60
3
1
1.5
4
8
16
X
250R120-RA
0.12
0.24
250/60
3
1
1.0
7
9
16
X
250R120-RC
0.12
0.24
250/60
3
1
0.85
5.4
7.5
14
X
250R120-RF
0.12
0.24
250/60
3
1
0.7
6
10.5
16
X
250R120-R1
0.12
0.24
250/60
3
1
0.8
6
9
16
X
250R120-R2
0.12
0.24
250/60
3
1
0.7
8
10.5
16
X
250R120-R3
0.12
0.24
250/60
3
1
8
10
16
X
250R120T
0.12
0.24
250/60
3
1
1.2
7
12
16
X
250R145
0.145
0.29
250/60
3
1
2.5
3
6
14
X
250R145-RA
0.145
0.29
250/60
3
1
5
3
5.5
12
X
250R145-RB
0.145
0.29
250/60
3
1
2.5
4.5
6
14
X
250R145T
0.145
0.29
250/60
3
1
2.0
5.4
7.5
14
X
250R180
0.18
0.65
250/60
10
1.8
1
21
0.8
2.2
4
X
250R180T
0.18
0.65
250/60
10
1.8
1
20
1.4
3.9
4.5
X
*typicalvalue
C:coateddevice
T:pre-trippeddevice
Description
Features
Applications
RoHScompliantand
lead-free
Fasttime-to-trip
Binnedandsortednarrow
resistancerangesavailable
0.08–0.18Holdcurrent
range,60VDCoperating
voltage
250VACinterruptrating
CustomerPremises
Equipment(CPE)
CentralOffice(CO)/
TelecomCenters
LAN/WANEquipment
Accessequipment
250R Series
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50082521
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