2)肖特基二极管 sr3100 dip直插

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主营二极管：稳压二极管，快速二极管，超快速二极管，整流二极管，肖特基，快恢复，开关二极管，整流桥堆。主要封装有：sma，smb，smc，do-35，do-41，do-15，do-27，do-201，p-600，dip-4，wob，smd-4，md，扁桥，排桥，方桥等。

主营三极管：肖特基，mos场效应，三端稳压，达林顿，晶体三极管，快恢复三极管，开关三极管。封装有：to-92，to-126，to-220，to-3p，to-247，to-263，to-252，to-251，sot-23，sot-323，sot-89，sot-223等。

features
* fast switching
* low switching noise
* low forward voltage drop
* high current capability
* high switching capability
* high reliability
* high surge capability
mechanical data
maximum ratings and electrical characteristics
ratings at 25 oc ambient temperature unless otherwise specified.
single phase, half wave, 60 hz, resistive or inductive load.
for capacitive load, derate current by 20%.
* case: molded plastic
* epoxy: ul 94v-0 rate flame retardant
* mounting position: any
* weight: 1.18 grams
sr350
thru
sr3100
notes : 1. thermal resistance (junction to ambient): vertical pc board mounting, 0.5*(12.7mm) lead length.
2. measured at 1 mhz and applied reverse voltage of 4.0 volts.
dimensions in inches and (millimeters)
maximum dc reverse current
at rated dc blocking voltage
vf
ir
mamps
maximum instantaneous forward voltage at 3.0a dc volts
3.0
30
@ta = 25oc
@ta = 100oc
.75 .85
mamps
maximum recurrent peak reverse voltage
maximum rms voltage
maximum dc blocking voltage
maximum average forward rectified current
.375*(9.5mm) lead length
peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load (jedec method)
typical thermal resistance (note 1)
typical junction capacitance (note 2)
symbol
vrrm
vdc
ifsm
cj
tstg
vrms
units
volts
volts
volts
3.0 amps
80
30
200
amps
0c/w
0c
storage temperature range
r j a
io
pf
operating temperature range tj
sr350 s r 3 6 0 sr380 sr3100
50 6 0 80 100
35 4 2 56 70
-65 to + 150
-65 to + 150 0c
rectifier specialists r
dc components co., ltd.
do-27
50 6 0 80 100
* lead: mil-std-202e, method 208 guaranteed
* polarity: color band denotes cathode end