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參數資料
| 型號： | 1N4944 |
| 廠商： | RECTRON LTD |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | FAST RECOVERY RECTIFIER |
| 中文描述： | 1 A, 400 V, SILICON, SIGNAL DIODE, DO-41 |
| 封裝： | PLASTIC PACKAGE-2 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 137K |
| 代理商： | 1N4944 |
Notes:
(1) Reverse recovery test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts
(3) Thermal resistance from junction to ambient at 0.375 (9.5mm) lead length, P.C.B. mounted
Symbols
1N4942
1N4944
1N4946
1N4947
1N4948
Units
Maximum repetitive peak reverse voltage
V
RRM
200
400
600
800
1000
Volts
Maximum RMS voltage
V
RMS
140
280
420
560
700
Volts
Maximum DC blocking voltage
V
DC
200
400
600
800
1000
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55
I
(AV)
1.0
Amp
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
I
FSM
25.0
Amps
Maximum instantaneous forward voltage at: 1.0A
at: 2.0A, T
A
=40
V
F
1.3
2.5
Volts
Maximum DC reverse current T
A
=25
at rated DC blocking voltage T
A
=175
I
R
1.0
500.0
A
Maximum reverse recovery time (Note 1)
T
rr
150
250
500
nS
Typical junction capacitance (Note 2)
C
J
15.0
F
Typical thermal resistance (Note 3)
R
JA
55.0
/W
Operating junction and storage temperature range
T
J
, T
STG
-65 to +175
Features
1N4942 THRU 1N4948
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage -
200 to 1000 Volts
Forward Current -
1.0 Ampere
High temperature metallurgically bonded construction
Hermetically sealed package
1.0 ampere operation at T
A
=55
Typical I
less than 0.1
A
Capable of meeting environmental standards of
MIL-S-19500
Fast switching for high efficiency
High temperature soldering guaranteed:
350
/10 seconds, 0.375 (9.5mm) lead length,
5 lbs. (2.3Kg) tension
with no thermal runaway
Maximum Ratings and Electrical Characteristics
1
Ratings at 25
ambient temperature unless otherwise specified.
Mechanical Data
Case:
DO-41 solid plastic body
Terminals:
Plated axial leads, solderable per
MIL-STD-750, method 2026
Polarity:
Color band denotes cathode
Weight:
0.012 ounce, 0.33 gram
DIMENSIONS
DIM
inches
mm
Note
Min.
Max.
Min.
Max.
A
0.165
0.205
4.2
5.2
B
0.079
0.106
2.0
2.7
C
0.028
0.034
0.71
0.86
D
1.000
-
25.40
-
相關PDF資料 |
PDF描述 |
|---|---|
| 1N4948 | FAST RECOVERY RECTIFIER |
| 1N4942 | FAST RECOVERY RECTIFIER |
| 1N4946 | FAST RECOVERY RECTIFIER |
| 1N4947 | FAST RECOVERY RECTIFIER |
| 1N4948 | SCHOTTKY RECTIERS SILICON RECTIFIER DIODES |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 1N4944 _AY _10001 | 制造商:PanJit Touch Screens 功能描述: |
| 1N4944/4 | 功能描述:整流器 1.0 Amp 400 Volt RoHS:否 制造商:Vishay Semiconductors 產品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
| 1N4944_ R2 _10001 | 制造商:PanJit Touch Screens 功能描述: |
| 1N4944-B | 功能描述:整流器 1A 400V 150ns RoHS:否 制造商:Vishay Semiconductors 產品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
| 1N4944-E3/54 | 功能描述:整流器 1.0 Amp 400 Volt RoHS:否 制造商:Vishay Semiconductors 產品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復時間:1.2 us 正向連續電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel |
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