Datasheet > HER251_05

HER251_05

更新时间： 2024-11-16 10:45:27

品牌	Logo	应用领域
EIC		/
页数	文件大小	规格书
2页	52K
描述
HIGH EFFICIENT

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中文翻译

获取价格

数据手册

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HER251_05 数据手册

HIGH EFFICIENT

RECTIFIER DIODES

HER251 - HER258

PRV : 50 - 1000 Volts

Io : 2.5 Amperes

D2A

FEATURES :

1.00 (25.4)

* High current capability

* High surge current capability

* High reliability

0.161 (4.1)

MIN.

0.154 (3.9)

* Low reverse current

* Low forward voltage drop

0.284 (7.2)

0.268 (6.8)

* Fast switching for high efficiency

* Pb / RoHS Free

1.00 (25.4)

MECHANICAL DATA :

* Case : D2A Molded plastic

0.040 (1.02)

0.0385 (0.98)

MIN.

* Epoxy : UL94V-O rate flame retardant

* Lead : Axial lead solderable per MIL-STD-202,

Method 208 guaranteed

* Polarity : Color band denotes cathode end

* Mounting position : Any

Dimensions in inches and ( millimeters )

* Weight : 0.645 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating at 25 C ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

HER HER HER HER HER HER HER HER

RATING

SYMBOL

UNIT

251

252

100

253

200

140

200

254

300

210

300

255

400

280

400

256

600

420

600

257

800 1000

560 700

258

Maximum Recurrent Peak Reverse Voltage

Maximum RMS Voltage

VRRM

VRMS

VDC

Maximum DC Blocking Voltage

Maximum Average Forward Current

100

800 1000

IF(AV)

2.5

0.375"(9.5mm) Lead Length

Ta = 55 °C

Maximum Peak Forward Surge Current,

8.3ms Single half sine wave superimposed

on rated load (JEDEC Method)

IFSM

100

Maximum Peak Forward Voltage at IF = 2.5 A

1.1

1.7

Maximum DC Reverse Current

at Rated DC Blocking Voltage

Ta = 25 °C

IR(H)

Trr

Ta = 100 °C

Maximum Reverse Recovery Time ( Note 1 )

Typical Junction Capacitance ( Note 2 )

Junction Temperature Range

- 65 to + 150

°C

Storage Temperature Range

TSTG

Notes :

( 1 ) Reverse Recovery Test Conditions : I_F= 0.5 A, I_R= 1.0 A, Irr = 0.25 A.

( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V_DC

Page 1 of 2

Rev. 02 : March 24, 2005

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