RUEF250U Tyco Electronics, RUEF250U Datasheet
RUEF250U
Manufacturer Part Number
RUEF250U
Description
POLYSWITCH PTC RESET 2.5A HOLD
Manufacturer
Tyco Electronics
Series
PolySwitch®r
Specifications of RUEF250U
R Min/max
0.031 ~ 0.044 Ohm
Voltage - Max
30V
Time To Trip
5s
Current - Hold (ih) (max)
2.5A
Current - Trip (it)
4.9A
Current - Max
100A
Package / Case
Radial
Holding Current
2.5A
Tripping Current
5A
Initial Resistance Max
0.04ohm
Operating Voltage
30V
Ptc Fuse Case
Radial Lead
Initial Resistance Min
0.02ohm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
E17350-000
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RUEF250U-2
Manufacturer:
RYC
Quantity:
1 890
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Electrical Rating
Lead Material:
Marking:
mm:
in*:
TABLE II. PERFORMANCE RATINGS:
I HOLD
Recognitions
Reference Documents:
Precedence:
Effectivity:
CAUTION:
© 2002, 2007 Tyco Electronics Corporation. All rights reserved.
AMPS
Voltage: 30V MAX
Current: 40A MAX
20 AWG Tin/Lead Plated Copper
HOLD
20°C
None
2.5
(0.28) (0.32)
TABLE I. DIMENSIONS:
*Rounded off approximation
MIN
7.1
HOLD
AMPS AT 20°C
A
2.5
MAX
8.1
CURRENT RATINGS
TRIP
(0.59)
15.0
4.9
MIN
Specification Status:
B
UL, CSA, TUV recognized.
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
(0.64)
HOLD
MAX
16.3
AMPS AT 50°C
2.0
TYPICAL
Raychem Circuit Protection Products
TRIP
(0.2)
Overcurrent Protection Device
3.7
5.0
C
PolySwitch®
PTC Devices
SECONDS AT
20°C, 8A
TIME TO
(0.3)
MIN
7.6
D
TRIP
MAX
5.0
RELEASED
MIN
--
--
0.031
MIN
RESISTANCE
E
AT 20°C
OHMS
(0.11)
MAX
2.8
0.044
MAX
PRODUCT: RUE250U
DOCUMENT: SCD 22793
PCN: 613961
REV LETTER: L
REV DATE: SEPTEMBER 17, 2007
PAGE NO.: 1 OF 1
RESISTANCE
STANDARD
ONE-HOUR
POST-TRIP
AT 20°C
OHMS
0.080
TRIP
MAX
DISSIPATION
WATTS AT
NOMINAL
TRIPPED
POWER
20°C
1.75
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