R
SIYU
FR251 ...... FR257
塑封快恢复整流二极管
反向电压50 ---1000 V
正向电流2.5 A
Plastic Fast Recover Rectifier
Reverse Voltage 50 to 1000V
Forward Current 2.5A
特征 Features
DO-15L
·反向漏电流低 Low reverse leakage
·正向浪涌承受能力较强 High forward surge capability
·高温焊接保证 High temperature soldering guaranteed:
25.4
MIN
0.8±0.1
260
260
℃
℃
/10
/10 seconds, 0.375" (9.5mm) lead length,
(2.3kg) 拉力。5 lbs. (2.3kg) tension
秒, 0.375" (9.5mm)引线长度。
7.5±0.2
·引线可承受5 磅
4.0±0.2
·引线和管体皆符合RoHS标准。
25.4
Lead and body according with RoHS standard
机械数据 Mechanical Data
MIN
·端子
·极性
:
:
镀锡轴向引线 Terminals: Plated axial leads
Unit
:mm
色环端为负极 Polarity: Color band denotes cathode end
·安装位置: 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
单位
Unit
FR251 FR252 FR253 FR254 FR255 FR256 FR257
最大可重复峰值反向电压
Maximum repetitive peak reverse voltage
50
100
200
400
600
800
1000
V
VRRM
最大均方根电压
Maximum RMS voltage
35
50
70
140
200
280
400
420
600
560
800
700
V
V
VRMS
最大直流阻断电压
Maximum DC blocking voltage
100
1000
VDC
IF(AV)
IFSM
最大正向平均整流电流
Maximum average forward rectified current
2.5
125
15
A
A
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
℃/W
典型热阻 Typical thermal resistance
RθJA
工作结温和存储温度
Tj, TSTG
-55 --- +150
℃
Operating junction and storage temperature range
电特性 TA = 25
℃除非另有规定。
Electrical Characteristics Ratings at 25
℃
ambient temperature unless otherwise specified.
符号
Symbols
单位
Unit
FR251 FR252 FR253 FR254 FR255 FR256 FR257
最大正向电压
Maximum forward voltage
1.3
IF = 2.5A
VF
V
μA
nS
5.0
最大反向电流
TA= 25℃
IR
trr
Cj
TA=100℃
Maximum reverse current
200
IF=0.5A IR=1.0A IRR=0.25A
VR = 4.0V, f = 1MHz
最大反向恢复时间
MAX. Reverse Recovery Time
150
300
典型结电容
Type junction capacitance
pF
45
大昌电子 DACHANG ELECTRONICS