SIYU
R
普通塑封整流二极管
反向电压
50 --- 1000 V
正向电流
2.5 A
DO-15L
RL251 ...... RL257
General Purpose Plastic Rectifier
Reverse Voltage 50 to 1000 V
Forward Current 2.5 A
特征
Features
·反向漏电流½
25.4
0.8±0.1
Low reverse leakage
MIN
7.5±0.2
4.0±0.2
25.4
MIN
·正向浪涌承受½力较强
High forward surge capability
·高温焊接保证
High temperature soldering guaranteed:
260℃/10
秒,
0.375" (9.5mm)引线长度。
260℃/10 seconds, 0.375" (9.5mm) lead length,
·引线可承受5 磅
(2.3kg)
拉力。
5 lbs. (2.3kg) tension
·引线和管½皆符合ROHS标准 。
Lead and body according with ROHS standard
机械数据
Mechanical Data
Unit：mm
·端子: 镀锡½向引线
Terminals: Plated axial leads
·极性: 色环端为负极
Polarity: Color band denotes cathode end
·安装½½: 任意
Mounting Position: Any
极限值和温度特性
TA = 25℃
除非另有规定。
Maximum Ratings & Thermal Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
符号
Symbols
最大可重复峰值反向电压
Maximum repetitive peak reverse voltage
最大均方根电压
Maximum RMS voltage
最大直流阻断电压
Maximum DC blocking voltage
最大正向平均整流电流
Maximum average forward rectified current
峰值正向浪涌电流 8.3ms单一正弦半波
Peak forward surge current 8.3 ms single half sine-wave
RL251 RL252 RL253 RL254 RL255 RL256 RL257
单½
Unit
V
V
V
A
A
℃/W
50
35
50
100
70
100
200
140
200
400
280
400
2.5
100
600
420
600
800
560
800
1000
700
1000
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
R
θJA
Tj, TSTG
典型热阻
Typical thermal resistance
15
工½结温和存储温度
Operating junction and storage temperature range
-55
---
+150
℃
电特性
TA = 25℃
除非另有规定。
Electrical Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
符号
Symbols
最大正向电压
Maximum forward voltage
RL251 RL252 RL253 RL254 RL255 RL256 RL257
单½
Unit
V
μA
I
F
= 2.5A
TA= 25℃
TA=100℃
V
F
1.1
5.0
50
40
最大反向电流
Maximum reverse current
典型结电容
V
R
=
4.0V, f = 1MHz
Type junction capacitance
I
R
Cj
pF
大昌电子
DACHANG ELECTRONICS
SIYU
R
特性曲线
Characteristic Curves
正向特性曲线（典型值）
TYPICAL FORWARD CHARACTERISTIC
RL251 ...... RL257
正向电流降额曲线
FORWARD CURRENT DERATING CURVE
10
平均正向电流
I
F(AV)
(A)
Average Forward Rectified Current (A)
正向电流 I
F
(A)
I
F
Instantaneous Forward Current (A)
3.0
10mm 10mm
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100 125 150 175
2
1
0.2
0.1
Tj = 25 °C
0.01
0.6
0.8
1.0
1.2
1.4
1.6
I
F(A)
正向电压 V
F
(V)
V
F
Instantaneous Forward Voltage (V)
环境温度 Ta(°C)
Tamb, ambient temperature (°C)
浪涌特性曲线（最大值）
MAXIMUM NON REPETITIVE
PEAK FORWARD SURGE CURRENT
100
I
FSM
Peak Forward Surge Current (A)
峰值正向浪涌电流 I
FSM
(A)
80
60
40
20
0
1
2
4 6 10
20
40
100
通过电流的周期
Number of Cycles at 60 Hz.
大昌电子
DACHANG ELECTRONICS
