SF18 [SEMTECH]
SUPERFAST RECOVERY RECTIFIERS; 超快恢复整流二极管
| 型号： | SF18 |
| 厂家： | 
SEMTECH CORPORATION |
| 描述： | SUPERFAST RECOVERY RECTIFIERS |
| 文件： | 总2页 (文件大小：205K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SF11~SF18
SUPERFAST RECOVERY RECTIFIERS
Reverse Voltage – 50 to 600 Volts
Forward Current – 1.0 Ampere
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0.
• High surge capability
• Low forward voltage, high current capability
• Hermetically sealed
• Super-fast recovery times
• Low leakage
Mechanical Data
• Case: DO-41 molded plastic
• Terminals: Axial Leads, solderable per MIL-STD-202,
method 208 guaranteed
• Polarity: Colored band denotes cathode end
• Mounting position: Any
Absolute Maximum Ratings and Characteristics
Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive
load, for capacitive load, derate current by 20%.
Unit
Symbols
SF11 SF12 SF13 SF14 SF15 SF16 SF18
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
VRRM
VRMS
VDC
50
35
50
100
70
150
105
150
200
140
200
300
210
300
400
280
400
600
420
600
V
V
V
Maximum DC Blocking Voltage
100
Maximum Average Forward Rectified Current
I(AV)
1.0
30
A
A
0.375” (9.5mm) Lead Length at TA = 55℃
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
IFSM
Maximum Forward Voltage at 1.0A
VF
IR
0.95
1.25
1.7
50
V
Maximum Reverse Current
Ta = 25℃
5.0
uA
at Rated DC Blocking Voltage
500
Ta = 100℃
Maximum Reverse Recovery Time (note1)
Typical Junction Capacitance(note2)
TRR
CJ
35
nS
pF
50
25
Typical Thermal Resistance(note3)
Operating Junction Temperature
Storage Temperature Range
RθJA
TJ
50
OC/W
OC
-55 to +150
-55 to +150
Ts
OC
Notes: 1.Reverse recovery test conditions: IF = 0.5A, IR = 1.0A, IRR = 0.25A
2.Measured at 1.0MHz and applied reverse voltage of 4.0V
3.Thermal resistance from junction to ambient 0.375” (9.5mm) lead length P.C.B mounted.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 13/05/2005 H
SF11~SF18
REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
10
50
NONINDUCTIVE
NONINDUCTIVE
trr
+0.5A
DUT
(-)
0
(+)
PULSE
GENERATOR
(NOTE 2)
50Vdc
(appox)
(-)
-0.25A
OSCILLOSCOPE
(NOTE 1)
(+)
1
NON
INDUCTIVE
-1.0A
1cm
SET TIME BASE FOR
5/10ns/cm
NOTES:1. Rise Time=7ns max. Input Impedance=
1 megohm 22 pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
Typical reverse characteristics
Typical forward characteristics
1000
100
10
TJ=25 C
Pulse width=300
1% duty cycle
s
TJ=100
C
SF11~SF14
100
SF15~SF16
10
SF17~SF18
1
TJ=25
C
0.1
1
0.01
0.1
1.6
1.8
0.8
0.4
1.2
120
0
40
80
Forward voltage, V
Percent of rated peak reverse voltage, %
Maximum non-repeitive
forward surge current
Typical junction capacitance
175
125
75
30
20
10
SF11~SF14
SF15~SF18
25
0
100
1
10
100
1000
0.1
1
10
Number of cycles at 60Hz
Reverse voltage, V
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 13/05/2005 H
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