Raychem Corporation
300 Constitution Drive
Menlo Park, CA 94025
800-227-4856
FAX 800-227-4866
R
PolySwitch®
PTC Devices
Resettable Fuse
PRODUCT: RUE250U
DOCUMENT: SCD 22793
PCN: 613961
REV LETTER: I
REV DATE: AUGUST 31, 1999
PAGE NO.: 1 OF 1
Specification Status:
RELEASED
Electrical Rating
Voltage: 30V MAX
Current: 40A MAX
Lead Material:
20 AWG Tin/Lead Plated Copper
Marking:
None
TABLE I. DIMENSIONS:
A
B
MIN
MAX
MIN
MAX
7.1
8.1
--
2.8
(0.28) (0.32)
--
(0.11)
*Rounded off approximation
C
TYPICAL
5.0
(0.2)
D
MIN
7.6
(0.3)
E
MIN
15.0
(0.59)
MAX
16.8
(0.66)
mm:
in*:
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT RATINGS
TIME TO
TRIP
RESISTANCE
ONE-HOUR
NOMINAL
POST-TRIP
TRIPPED
RESISTANCE
POWER
STANDARD DISSIPATION
TRIP
OHMS
WATTS AT
AT 20°C
20°C
MAX
0.080
1.75
AMPS
20°C
HOLD
2.5
AMPS
AMPS
AMPS
AT 0°C
AT 20°C
AT 50°C
HOLD TRIP HOLD TRIP HOLD TRIP
--
--
2.5
4.9
2.0
3.7
SECONDS AT
20°C, 8A
MAX
5.0
OHMS
AT 20°C
MIN
MAX
0.031
0.044
Reference Documents:
Precedence:
Effectivity:
CAUTION:
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.
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