LVR040S [TE]
PolySwitch PTC Devices Overcurrent Protection Device; PTC的PolySwitch设备过电流保护装置
| 型号： | LVR040S |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | PolySwitch PTC Devices Overcurrent Protection Device |
| 文件： | 总2页 (文件大小：87K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Tyco/Electronics
Raychem Circuit Protection
308 Constitution Drive
Menlo Park, CA 94025-1164
800-227-4856
PRODUCT: LVR040S
PolySwitch®
DOCUMENT: SCD 24906
PTC Devices
PCN: 336638
Overcurrent Protection Device
REV LETTER: E
REV DATE: MARCH 21, 2003
PAGE NO.: 1 OF 2
FAX 800-227-4866
Specification Status:RELEASED
Electrical Rating at 20ºC
Rated Operating Voltage: 240 VAC
Rated Interrupt Current: 5.5 ARMS
Max Interrupt Voltage: 265 VAC
Insulating Material :
Cured, Flame Retardant Epoxy Polymer
Meets UL94 V-0 Requirements.
Lead Material: 22 AWG Sn Plated Copper
Marking:
Raychem Logo
and Voltage
240
Part Identification
L040
Lot Identification
TABLE I. DIMENSIONS:
A
B
C
D
E
MIN
--
MAX
11.5
(0.46
MIN
--
--
MAX
19.5
(0.77)
MIN
4.3
(0.17)
MAX
5.8
MIN
7.6
MAX
--
MIN
--
MAX
3.8
(0.15)
mm:
in*:
--
(0.23) (0.30)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
IHOLD
CURRENT RATINGS
TIME TO TRIP
RESISTANCE
POST-TRIP
RESISTANCE
STANDARD
TRIP
NOMINAL
TRIPPED
POWER
RATED
CURRENT
DISSIPATION
WATTS
AMPS AT
20oC
AMPS
SECONDS AT
20oC, 2.0A
MAX
OHMS
OHMS
AT 20oC
AT 20oC
AT 20oC
MAX
AT 20oC
HOLD
HOLD
0.40
TRIP
0.90
MIN
0.6
MAX
0.97
0.40
24.0
1.9
2.0
Recognitions:
UL, TUV recognized.
PS300
Reference Documents:
Precedence:
Effectivity:
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Refer to Page 2 of this document for application limitations.
Warning:
Tyco/Electronics
Raychem Circuit Protection
308 Constitution Drive
Menlo Park, CA 94025-1164
800-227-4856
PRODUCT: LVR040S
PolySwitch®
DOCUMENT: SCD 24906
PTC Devices
PCN: 336638
Overcurrent Protection Device
REV LETTER: E
REV DATE: MARCH 21, 2003
PAGE NO.: 2 OF 2
FAX 800-227-4866
Warning: Application Limitations for the LVR Product Line
1. Users should independently evaluate the suitability of and test each product selected for their
own application.
2. This product should not be used in an application where the maximum interrupt voltage or
maximum interrupt current can be exceeded in a fault condition. Operation beyond the
maximum ratings or improper use may result in device damage and possible electrical arcing
and flame.
3. A PTC device is not a fuse - it is a nonlinear thermistor that limits current. Because under a
fault condition all PTC devices go into a high resistance state but not open circuit, hazardous
voltage may be present at PTC locations.
4. The devices are intended for protection against occasional overcurrent or overtemperature
fault conditions and should not be used when repeated fault conditions or prolonged trip events
are anticipated.
5. In most applications, power must be removed and the fault condition cleared in order to reset a
PTC device. However, under certain unusual conditions, a PTC device may automatically
reset (see Raychem Circuit Protection Databook). Accordingly, PTC devices should not be
used in an application where an automatic reset could create a safety hazard, such as garbage
disposals and blenders.
6. It is the responsibility of the user to determine the need for back up or fail safe protection to
prevent damage that may occur in the event of abnormal function or failure of the PTC device.
7. Operation in circuits with a large inductance can generate a circuit voltage (Ldi/dt) above the
rated voltage of a PTC device.
8. Devices are not recommended for reflow soldering.
9. Device performance can be impacted negatively if devices are handled in a manner
inconsistent with recommended electronic, thermal, or mechanical procedures for electronic
components.
10. PTC devices are not recommended to be installed in applications where the device is
constrained such that its PTC properties are inhibited, for example in rigid potting materials or
in rigid housings which lack adequate clearance to accommodate device expansion.
11. Contamination of the PTC material with certain silicone-based oils or some aggressive
solvents can adversely impact the performance of the devices.
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