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TRF250-120T-RF-B-0.5-2 PDF预览

TRF250-120T-RF-B-0.5-2

更新时间: 2024-10-28 19:32:31
品牌 Logo 应用领域
力特 - LITTELFUSE 温度传感电阻器
页数 文件大小 规格书
2页 340K
描述
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT

TRF250-120T-RF-B-0.5-2 技术参数

是否无铅: 不含铅生命周期:Active
包装说明:RADIAL LEADED, ROHS COMPLIANTReach Compliance Code:unknown
风险等级:1.42Base Number Matches:1

TRF250-120T-RF-B-0.5-2 数据手册

 浏览型号TRF250-120T-RF-B-0.5-2的Datasheet PDF文件第2页 
PRODUCT: TRF250-120T-RF-B-0.5  
PolySwitch®  
DOCUMENT: SCD26302  
REV LETTER: F  
REV DATE: JULY 26,2016  
PAGE NO.: 1 OF 2  
PTC Devices  
Overcurrent Protection Device  
Specification Status: Released  
Operating Conditions at 20°C:  
Maximum Continuous Operating Voltage (VMCO): 60VDC  
Maximum Interrupt Current (IINT ): 3ARMS  
Fault Ratings at 20°C:  
250 VRMS, 3A, 10 applications  
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:  
Cured, flame retardant epoxy polymer, meeting UL94 V-0  
requirements  
Marking:  
TABLE I. DIMENSIONS:  
A
B
C
D
E
F
MIN  
--  
--  
MAX  
6.5  
(0.26)  
MIN  
--  
--  
MAX  
11.0  
(0.43)  
MIN  
--  
--  
MAX  
4.6  
(0.18) (0.19)  
MIN  
4.7  
MAX  
--  
--  
NOM  
5.0  
(0.20)  
MAX  
7.0  
(0.28)  
mm:  
in:*  
*Rounded off approximation  
TABLE II. PERFORMANCE RATINGS @ 20°C:  
HOLD TRIP RESISTANCE (Ω)  
CURRENT CURRENT  
TIME TO TRIP(Sec)  
@ 1A  
OPERATING  
TEMPERATURE  
(°C)  
TRIPPED  
POWER  
DISSIPATION  
(W) @ 60VDC  
(A)  
(A)  
R MIN R MAX R1 MAX  
*
TYP  
MIN  
MAX  
TYP  
MAX  
0.120  
0.240  
6.0 10.5 16.0  
0.9  
-40  
85  
0.8  
0.9  
*Maximum device resistance at 20°C measured 1 hour post trip  
TABLE III. APPLICABLE PART DESCRIPTIONS :  
PART DESCRIPTION  
PACKAGING TYPE  
NOTES  
TRF250-120T-RF-B-0.5  
Bulk  
N/A  
Agency Recognitions:  
Reference Documents :  
Precedence:  
Effectivity:  
CAUTION:  
UL (File #E74889), CSA (File #78165), TUV  
PS300, ITU-T K.20, K.21  
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  
Materials Information  
ROHS Compliant  
ELV Compliant  
Pb-Free  
© 2016 Littelfuse,Inc.  
littelfuse.com  
Specifications are subject to change without notice.  
Revised July 26,2016  

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