UN250 Datasheet, PDF (1/5 Pages) UN Semiconducctor INC – Radial Lead Resettable Polymer PTCs

Radial Lead Resettable Polymer PTCs
UN250 Series
Description
UN250 Series is designed to protect against short duration
high voltage fault currents (power cross or power induction
surge) typically used in AC220V.
Features
u 0.02-2.0A hold current rating
u 265V operating voltage
u Fast time-to- trip
u RoHS compliant, Lead-Free and Halogen-Free
Applicable
u AC220V over-current protection
u Power ports
u Customer Premises Equipment(CPE)
Electrical Parameters
Part Number
I hold (A) I trip (A)
V max
(Vdc)
I max
(A)
P dtyp.
(W)
UN250-020
0.020
0.04
265
1.0
0.6
UN250-030
0.030
0.065
265
1.0
0.6
UN250-040
0.040
0.080
265
1.0
0.7
UN250-050
0.050
0.10
265
1.0
0.7
UN250-060
0.060
0.120
265
1.0
0.8
UN250-080
0.080
0.160
265
1.2
0.8
UN250-120-C
0.120
0.240
265
12
1.0
UN250-120-S
0.120
0.240
265
1.2
1.0
UN250-160
0.160
0.320
265
2.0
1.4
UN250-200-C
0.200
0.400
265
3.0
1.5
UN250-200-S
0.200
0.400
265
3.0
1.5
UN250-250
0.250
0.500
265
3.5
1.5
UN250-300
0.300
0.600
265
4.5
1.7
UN250-330
0.330
0.660
265
4.5
1.7
UN250-400
0.400
0.800
265
5.5
2.0
UN250-500
0.500
1.000
265
6.5
2.5
UN250-550
0.550
1.100
265
7.0
2.5
UN250-600
0.600
1.200
265
6.0
2.5
UN250-650
0.650
1.300
265
6.5
2.6
UN250-750
0.750
1.500
265
7.5
2.6
Maximum Time
To Trip
Current
Time
(A)
(Sec.)
0.06
20
0.09
15
0.12
15
0.15
15
0.18
15
0.24
15
0.36
15
0.36
15
0.48
25
0.60
25
0.60
25
0.75
20
0.90
20
0.99
20
1.20
25
1.50
25
1.65
25
1.80
25
1.95
30
2.25
30
R min
(Ω)
65.0
36.0
27.0
22.0
18.0
11.0
6.0
6.0
3.5
3.0
3.0
2.2
1.8
1.6
1.35
0.90
0.85
0.80
0.65
0.55
Resistance
R max
(Ω)
165.0
90.0
65.0
55.0
45.0
22.0
12.0
12.0
7.8
6.5
6.5
5.0
4.0
3.6
3.0
2.0
1.8
1.65
1.3
1.1
R 1max
(Ω)
225.0
120.0
90.0
75.0
60.0
33.0
16.0
16.0
10.4
8.0
8.0
5.0
4.8
4.3
3.6
2.4
2.2
2.2
1.6
1.3
UN Semiconductor Co., Ltd.
Revision October 18, 2013
1/5
www.unsemi.com.tw
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.