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SMFXXX

更新时间: 2024-01-10 00:50:21
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
6页 928K
描述
The SMF series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events

SMFXXX 数据手册

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TransientVoltage Suppression Diodes  
Surface Mount – 200W > SMF Series  
Pb e3  
RoHS  
SMF Series  
Description  
Uni-directional  
The SMF series is designed specifically to protect  
sensitive electronic equipment from voltage transients  
induced by lightning and other transient voltage events.  
SMF package is 50% smaller in footprint when compare  
to SMA package and deliverying one of the low height  
profiles (1.1mm) in the industry.  
Features  
• 200W peak pulsepower  
capability at 10/1000µs  
waveform, repetition rate  
(duty cycle): 0.01%  
•Compatible with  
industrial standard  
package SOD-123FL  
• Low profile: maximum  
height of 1.1mm.  
• Low inductance, excellent  
clamping capability  
• For surface mounted  
applications to optimize  
board space  
• High temperature  
to reflow soldering  
• ESD protection of data  
lines in accordance with  
IEC 61000-4-2  
• EFT protection of data  
lines in accordance with  
IEC 61000-4-4  
• Fast response time:  
typically less than 1.0ns  
from 0 Volts to VBR min  
• Glass passivated junction  
• Built-in strain relief  
• Plastic package is  
flammability rated  
V-0 per Underwriters  
Laboratories  
• Meet MSL level1, per  
J-STD-020, LF maximun  
peak of 260°C  
• Matte tin lead–free plated  
• Halogen-free and RoHS  
compliant  
Agency Approvals  
AGENCY  
AGENCY FILE NUMBER  
E230531  
Maximum Ratings andThermal Characteristics  
(TA=25OC unless otherwise noted)  
Parameter  
Symbol  
PPPM  
Value  
200  
Unit  
W
Peak Pulse Power Dissipation at  
TA=25ºC by 10/1000µs (Note 1)  
Thermal Resistance Junction- to-  
Ambient  
RθJA  
RθJL  
TJ  
220  
°C/W  
°C/W  
°C  
guaranteed: 260°C/40sec  
Thermal Resistance Junction- to-  
Lead  
100  
Typical failure mode is  
short from over-specified  
voltage or current  
• Whisker test is conducted  
based on JEDEC  
JESD201A per its table 4a  
and 4c  
• IEC-61000-4-2 ESD  
OperatingTemperature Range  
StorageTemperature Range  
-65 to 150  
-65 to 175  
TSTG  
°C  
• Pb-free E3 means 2nd  
level interconnect is  
Pb-free and the terminal  
finish material is tin(Sn)  
(IPC/ JEDEC J-STD-  
609A.01)  
Notes:  
1. Non-repetitive current pulse, per Fig. 4 and derated aboveTJ (initial) =25ºC per Fig. 3.  
30kV(Air), 30kV (Contact)  
Applications  
Functional Diagram  
SMF devices are ideal for the protection of I/O interfaces,  
CC bus and other vulnerable circuit used in cellular  
phones, portable devices, business machines, power  
supplies and other consumer applications.  
V
Cathode  
Anode  
Uni-directional  
Additional Infomarion  
Datasꢀeet  
Saꢀples  
ꢀesourꢁes  
© 2017 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 12/06/17  

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