5秒后页面跳转
TRF250-145US-B-0.5 PDF预览

TRF250-145US-B-0.5

更新时间: 2024-10-28 15:55:03
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 91K
描述
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT

TRF250-145US-B-0.5 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:RADIAL LEADED, ROHS COMPLIANT
Reach Compliance Code:unknown风险等级:1.59
Base Number Matches:1

TRF250-145US-B-0.5 数据手册

 浏览型号TRF250-145US-B-0.5的Datasheet PDF文件第2页 
PRODUCT: TRF250-145US-B-0.5  
PolySwitch®  
DOCUMENT: SCD26226  
REV LETTER: E  
REV DATE: JULY 26, 2016  
PAGE NO.: 1 OF 2  
PTC Devices  
Overcurrent Protection Device  
Specification Status: Released & Restricted  
Operating Conditions at 20°C:  
Maximum Continuous Operating Voltage (VMCO): 60VDC  
Maximum Interrupt Current (IINT ): 3ARMS  
C
A
Fault Ratings at 20°C:  
250VRMS, 3A, 10 applications  
B
D
Additional Info at 20°C:  
Resistance matched: 0.5 Ohm  
Lightning withstand: 1.5 kV per ITU-T K.20, K.21  
Helps equipment meet ITU-T K.20, K.21 Recommendations  
Helps equipment meet Telcordia GR1089 intrabuilding requirements  
Lead Material:  
22 AWG Sn-Plated Copper (0.64 mm [0.025”] nominal diameter)  
External Coating Material:  
None  
E
Center-to-Center  
Marking:  
TABLE I. DIMENSIONS:  
A
B
C
D
E
MIN  
--  
--  
MAX  
6.0  
(0.24)  
MIN  
--  
--  
MAX  
6.0  
(0.24)  
MIN  
--  
--  
MAX  
3.8  
(0.15) (0.19)  
MIN  
4.7  
MAX  
--  
--  
NOM  
5.0  
(0.20)  
mm:  
in:  
*Rounded off approximation  
TABLE II. PERFORMANCE RATINGS @ 20°C:  
HOLD  
CURRENT CURRENT  
TRIP  
RESISTANCE (Ω)  
TIME TO TRIP(Sec)  
@ 1A  
OPERATING  
TEMPERATURE  
(°C)  
TRIPPED  
POWER DISSIPATION  
(W) @ 60VDC  
(A)  
(A)  
R MIN R MAX R1 MAX  
*
TYP  
MAX  
MIN  
MAX  
TYP  
MAX  
0.145  
0.290  
3.5  
6.5  
14.0  
2.0  
4.0  
-40  
85  
0.7  
0.8  
*Post Trip Resistance measured after one hour.  
TABLE III. APPLICABLE PART DESCRIPTIONS:  
PART DESCRIPTION  
TRF250-145US-B-0.5  
PACKAGING TYPE  
Bulk  
NOTES  
N/A  
Agency Recognitions:  
Reference Documents:  
Precedence:  
UL (File #E74889), CSA (File #78165C), TUV  
PS300, ITU-T K.20, K.21  
This specification takes precedence over documents referenced herein.  
Effectivity:  
Reference documents shall be the issue in effect on the date of invitation for bid.  
CAUTION:  
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.  
Materials Information  
ROHS Compliant  
ELV Compliant Pb-Free  
© 2016 Littelfuse,Inc  
Littelfuse.com  
Specifications are subject to change without notice.  
Revised July 26, 2016  

与TRF250-145US-B-0.5相关器件

型号 品牌 获取价格 描述 数据表
TRF250-180 TE

获取价格

PolySwitch? Resettable Device Short Form Catalog
TRF250-180 LITTELFUSE

获取价格

PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT
TRF250-180-2 LITTELFUSE

获取价格

PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT
TRF250-180-AP LITTELFUSE

获取价格

我们的PolySwitch®系列电信和网络设备有助于满足对自恢复过流保护不断增长的需求。
TRF250-180S TE

获取价格

Overcurrent Protection Device
TRF250-183 LITTELFUSE

获取价格

我们的PolySwitch®系列电信和网络设备有助于满足对自恢复过流保护不断增长的需求。
TRF250-183 TE

获取价格

PolySwitch?PTC Devices Overcurrent Protection Device
TRF250-183 MACOM

获取价格

PolySwitch Resettable Devices Telecommunications & Networking Devices
TRF250-183-2 MACOM

获取价格

PolySwitch Resettable Devices Telecommunications & Networking Devices
TRF250-183-2 LITTELFUSE

获取价格

我们的PolySwitch®系列电信和网络设备有助于满足对自恢复过流保护不断增长的需求。