1N4937

1N4933 thru 1N4937
Fast Switching Rectifiers
Reverse Voltage 50 to 600V Forward Current 1.0A
Feature & Dimensions
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically bonded construction
* Diffused junction
* 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
Mechanical Data
Case: JEDEC DO-41, molded plastic body
We declare that the material of product compliance
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
with ROHS requirements
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 oz., 0.284 g
Handling precautin:None
1.Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
Marking spec
1N
4933
1N
4933
1N
4934
1N
4934
1N
4935
1N
4935
1N
4936
1N
4936
1N
4937
1N
4937
Unit
Maximum repetitive peak reverse voltage
VRRM
50
100
200
400
600
V
Maximum RMS voltage
VRMS
35
70
140
280
420
V
Maximum DC blocking voltage
VDC
50
100
200
400
600
V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
IF(AV)
1.0
A
IFSM
30
A
IR(AV)
100
µA
Typical thermal resistance (Note 2)
RθJA
60
°C/W
Operating junction and storage temperature range
TJ,
TSTG
–50 to +150
°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
symbol
VF
1N
4933
1N
4934
1N
4935
1.2
1N
4936
1N
4937
Unit
V
IR
5.0
100
Typical reverse recovery time (Note 1)
trr
150
ns
Typical junction capacitance at 4.0V, 1MHz
CJ
15
PF
NOTES:
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
µA
1N4933 thru 1N4937
2. Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 2 – Maximum Non-repetitive Peak
Forward Surge Current
1.0
0.5
0.375" (9.5mm) Lead Length
0
Instantaneous Forward Current (A)
0
100
25
50 75 100 125 150 175
Ambient Temperature, °C
1.0
0.1
30
15
0
1
Tj=125℃
10
Tj=75℃
1
Tj=25℃
0.1
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 5. –typical transient thermal
impedance
1.0
0.1
100
100
0.01
0.8
1.0
1.2
1.4
Instantaneous Forward Voltage (V)
10
10
Number of Cycles at 60Hz
Fig 4. – Typical Reverse Characteristics
Fig 6. – Typical Junction Capacitance
Junction Capacitance (pF)
Transient thermal impedance(°C/W)
0.01
0.6
100
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
Fig 3. – Typical Instantaneous Forward
Characteristics
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
10
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Instantaneous Reverse Current (µA)
Average Forward Rectified Current (A)
Fig. 1 – Forward Current Derating Curve
20
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
1.0
0.01
0.1
1.0
10
t,Pulse duration,sec
0.1
1
Reverse Voltage (V)
10
1N4933 thru 1N4937
3. dimension:
文件编号: WI-250
标题:
塑封生产线轴向产品包装规范
第 4 版
第
第 0 次修改
1
页
1 弹带盒装 ammo and box
1.1. 弹带盒规格 ammo spec.
单位:mm
L
W
H
T52
262±2
76±2
90±2
T42
T26
262±2
250±3
64±2
45±3
90±2
95±3
1.2 弹带内盒要求 inner box spec.
ROHS标签
label
LRC标签
label
文件编号: WI-250
标题:
塑封生产线轴向产品包装规范
第 4 版
第
第 0 次修改
2
页
1.4
标签要求 label spec.
1.4.1
LRC标签 LRC label
*******
成型规格forming spec.
LRC产品型号 type
产品重复峰压值 peak repetive voltage
****
产品额定电流值 average output current
**
产品数量 quantity
****
*******
产品生产日期 date
1.4.2环保标签 environmental protection label
2.外箱规格 cartoon spec.
单位:mm
H
W
L
W
H
T52
430±2
280±2
225±2
T42
410±2
285±2
300±2
T26
435±3
280±3
295±3
外箱标签cartoon label
L
3 按以上包装方式,编带数量和外包装箱产品数量:typing and cartoon spec.
塑封外型
A-405 & DO-41 & R-1
R-3
DO-15
DO-201AD
每根编带数量
quantity/ammo
3K
1.8K
2K(T52)
1.8K(T26)
0.8K
外箱数量(T52编带)
quantity/cartoon
30K
18K
20K
8.0K
外箱数量(T26编带)
quantity/cartoon
60K
36K
36K
-
外箱数量(T42编带)
quantity/cartoon
54K
32.4K
36K
-
文件编号: WI-250
标题:
塑封生产线轴向产品包装规范
第 4 版
第 0 次修改
第 3 页
4 编带规格 brede spec
编带尺寸 typing dimension
尺寸代号
W
26/tape
35/tape
40/tape
26 0.0/+1.6 35 -1.0/+0.5 40 -1.0/+0.5
42/tape
52/tape
52/tape#
42 -1.0/+1.0 52 -1.0/+2.0 52 -1.0/+2.0
P
5±0.5
5±0.5
5±0.5
5±0.5
5±0.5
L1-L2
<1.0
<1.0
<1.0
<1.0
<1.0
<1.0
H
6±1.0
6±1.0
6±1.0
6±1.0
6±1.0
6±1.0
10±0.5
Z
<1.0
<1.0
<1.0
<1.0
<1.0
<1.0
R
<1.0
<1.0
<1.0
<1.0
<1.0
<1.0
T
>3.5
>3.5
>3.5
>3.5
>3.5
注: 52编带# 为DO-201AD编带规格 "52编带#" just for D0-201AD
>3.5
1. 红白编带厚度为0.05mm;两种胶带各自之间无明显色差;编带要求均为胶带。
The typing thickness is 0.05mm and color is obvious difference
2. 两端引带20~40cm. Typing lead over 20~40cm
3. 红色编带一端为二极管“负极”;白色编带一端为二极管“正极”。
red color is cathode ,white color is anode
4. 无卤 green epoxy compound(无卤产品才贴HF only)
Green
1N4933 thru 1N4937
4. Update Record
版次
更新记录
更新作者
更新日期
1
第一版
周杰
2010-3-23
2
增加包装规范
周杰
2011-8-24