1N4944G [LRC]
Glass Passivated Junction Fast Recovery Rectifiers Reverse Voltage 200 to 1000V Forward Current 1.0A;
| 型号： | 1N4944G |
| 厂家： | 
LESHAN RADIO COMPANY |
| 描述： | Glass Passivated Junction Fast Recovery Rectifiers Reverse Voltage 200 to 1000V Forward Current 1.0A 二极管 |
| 文件： | 总7页 (文件大小：199K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LESHAN RADIO COMPANY, LTD.
1N4942G thru 1N4948G
1.Feature & Dimensions
* Plastic package has Underwriters Laboratory
Glass Passivated Junction
Fast Recovery Rectifiers
Flammability Classification 94V-0
* High temperature metallurgically bonded construction
* Cavity-free glass passivated junction
Reverse Voltage 200 to 1000V
Forward Current 1.0A
* Capable of meeting environmental standards of MIL-S-19500
* 1.0 A operation at TA=75°C with no thermal runaway
* For use in high frequency rectifier circuits
* Fast switching for high efficiency
* Typical IR less than 1.0µA
* High temperature soldering guaranteed:
260°C/10 seconds
* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
2.Mechanical Data
Case: JEDEC DO-41, molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 oz., 0.34 g
We declare that the material of product
compliance with RoHS requirements.
Handling precautin:None
3.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
1N49 1N49 1N49 1N49 1N49
42G 44G 46G 47G 48G
Parameter Symbol
symbol
VRRM
Unit
Maximum repetitive peak reverse voltage
Maximum RMS voltage
200
140
200
400
280
400
600
420
600
800 1000
560 700
800 1000
V
V
V
VRMS
VDC
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
1.0
IF(AV)
A
A
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
IFSM
25
55
Typical thermal resistance (Note 2)
RθJA
°C/W
°C
–50 to +150
Operating junction and storage temperature range TJ, TSTG
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
1N49 1N49 1N49 1N49 1N49
42G 44G 46G 47G 48G
Parameter Symbol
symbol
VF
Unit
V
1.3
Maximum instantaneous forward voltage at 1.0A
5.0
100
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
IR
µA
150
250
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
NOTES:
trr
500
ns
15
CJ
PF
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
1/3
LESHAN RADIO COMPANY, LTD.
4. Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 2 – Maximum Non-repetitive Peak
Fig. 1 – Forward Current Derating Curve
Forward Surge Current
60 Hz
TJ = TJ max
Resistive or
Inductive Load
8.3ms Single Half Sine-wave
(JEDEC Method)
1.0
0.5
25
12.5
0.375" (9.5mm) Lead Length
0
0
1
10
100
0
25 50 75 100 125 150 175
Ambient Temperature, °C
Number of Cycles at 60Hz
Fig 3. – Typical Instantaneous Forward
Fig 4. – Typical Reverse Characteristics
Characteristics
100
10
100
10
Tj=125℃
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Tj=75℃
Tj=25℃
1.0
0.1
1.0
0.1
0.01
0.01
0.6
0.8
1.0
1.2
1.4
1.6
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig 5. –typical transient thermal
Fig 6. – Typical Junction Capacitance
impedance
100
10
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
1.0
0.1
1.0
0.1
0.01
0.1
1.0
10
100
1
10
100
t,Pulse duration,sec
Reverse Voltage (V)
2/3
LESHAN RADIO COMPANY, LTD.
5.Package Dimensions in inches and (millmeters)
Package outline
L
Φ
d
D
Φ
Dimensions
Note:
inches
mm
DO-41
Min.
Max.
0.205
-
Min.
4.2
Max.
5.2
-
molded plastic case
The marking band indicates the
cathode
L
0.166
1.0
L1
25.4
2.0
ΦD
Φd
0.080
0.028
0.107
0.034
2.7
0.9
0.7
3/3
LESHAN RADIO COMPANY, LTD.
Packing Of Plastic-Sealed Axial Lead Diodes
1.卷盘/Reel Packing（52mm）
A：卷盘规格/Reel spec.
Unit:mm
A B C
W1 W
W1
Item
Symbol Dimension
Label stike this position
A
B
C
76.4±0.1
82.5±0.2
330±0.5
Dimeter
Width
W
72±0.2
3±0.2
Thickness
W1
B：外箱规格/Outer Box Specification
Item
Size
Symbol Dimension
L
W
H
350±2
350±2
340±4
H
W
L
按以上包装方式：(As per the above spec)
外型/Outside
DO-15
DO-41 & A-405
DO-201AD
Q'ty/Taping
5K
4K
1.4K
Q'ty/Packing Case
20K
16K
5.6K
LESHAN RADIO COMPANY, LTD.
2. 弹带盒装/Ammo Packing
Unit:mm
A： 弹带盒规格/Ammo Box Spec.
Item
Symbol Dimension
Notes
L
W
H
260±2
76±2
100±4
52mm
TYPE
Box's
Size
L
W
H
250±3
45±3
95±5
26mm
TYPE
B：外箱规格/Outer Box Specification
Item
Symbol Dimension
Notes
L
W
H
430±2
280±2
225±4
52mm
TYPE
H
Case's
Size
L
W
H
435±3
280±3
295±5
26mm
TYPE
W
L
按以上包装方式：(As per the above spec)
外型/Outside
A-405 & DO-41 & R-1
3K
DO-15
2K
DO-201AD
Q'ty/Taping
0.8K
Q'ty/Packing Case
26mm/TYPE
30K
60K
7.2K
20K
40K
Q'ty/Packing Case
52mm/TYPE
14.4K
LESHAN RADIO COMPANY, LTD.
3. 散装/Bulk Packing
A.包装盒尺寸/Box Dimension
( DO-41&DO-15 )
Item
Symbol Dimension
H
L
W
H
200±2
84±2
21±2
Box's
Size
L
W
( DO-201AD )
H
Item
Symbol Dimension
L
W
H
200±2
84±2
29±2
Box's
Size
W
L
B：外箱规格/Outer Box Specification
Item
Symbol Dimension
L
W
H
465±2
225±2
260±4
Case's
Size
C
B
A
按以上包装方式：(As per the above spec)
外型/Outside
DO-41&A-405&R-1
1K
DO-15
0.5K
DO-201AD
Q'ty/Taping
0.3K
12K
Q'ty/Packing Case
50K
25K
LESHAN RADIO COMPANY, LTD.
4. 编带图形及规格/Taping Specification
Unit:mm
编带尺寸/Tape Dimension
尺寸代号
Dimension Code
26/tape
26 0.0/+1.6
ꢀ5±0.5
＜1.0
52/tape
52 -1.0/+2.0
ꢀ5±0.5
＜1.2
52/tape#
52 -1.0/+2.0
ꢀ10±0.5
＜1.2
W
P
L1-L2
H
ꢀ6±1.0
＜1.2
ꢀ6±1.0
＜1.2
ꢀ6±1.0
＜1.2
Z
＜1.0
＜1.0
＜1.0
R
＞3.2
＞3.2
＞3.2
T
注: 52编带# 为DO-201AD编带规格
Remark: 52 tape# is DO-201AD taping spec.
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