HER251 [PFS]

HIGH EFFICIENCY RECTIFIER; 高效率整流


型号：	HER251
厂家：	SHENZHEN PING SHENG ELECTRONICS CO., LTD.
描述：	HIGH EFFICIENCY RECTIFIER 高效率整流二极管功效
文件：	总2页 (文件大小：169K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

HIGH EFFICIENCY RECTIFIER

VOLTAGE RANGE

CURRENT

50 to 1000 Volts

2.5Ampere

HER251 THRU HER257

R-3

.042(1.1)

.038(0.96)

DIA.

FEATURES

Low coat construction

Fast switching for high efficency.

Low reverse leakage

High forward surge current capability

High temperature soldering guaranteed:

260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension

1.0(25.4)

MIN.

.160(4.1)

.138(3.5)

.160(4.1)

.138(3.5)

DIA.

MECHANICAL DATA

1.0(25.4)

MIN.

Case: Transfer molded plastic

Epoxy: UL94V-O rate flame retardant

Polarity: Color band denotes cathode end

Lead: Plated axial lead, solderable per MIL-STD-202E method 208C

Mounting position: Any

(millimeters)

Dimensions in inches and

Weight: 0.020ounce, 0.56 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25^OC ambient temperature unless otherwise specified

Single Phase, half wave, 60Hz, resistive or inductive load

For capacitive load derate current by 20%

HER

251

HER HER HER

HER HER

HER

257

800

560

800

HER

UNITS

258

1000 Volts

700 Volts

1000 Volts

SYMBOLS

252

100

253

200

140

200

254

300

210

300

255

400

280

400

256

600

420

600

Maximum Repetitive Peak Reverse Voltage

Maximum RMS Voltage

V_RRM

V_RMS

V_DC

Maximum DC Blocking Voltage

100

Maximum Average Forward Rectified Current

0.375”(9.5mm) lead length at T_A= 50℃

I_(AV)

2.5

Amp

Peak Forward Surge Current

8.3mS single half sine wave superimposed on

rated load (JEDEC method)

I_FSM

V_F

I_R

100

Amps

Maximum Instantaneous Forward Voltage @ 2.5A

1.0

1.3

5.0

250

1.5

1.7

Volts

T_A= 25℃

T_A= 125℃

Maximum DC Reverse Current at Rated

DC Blocking Voltage

µA

Maximum Full Load Recovery Current,full cycle

average 0.375”(9.5mm)lead length at TL=55℃

Maximum Reverse Recovery Time

Test conditions IF=0.5A,IR=1.0A,IRR=0.25A

IR_(AV)

trr

100

µA

Typical Thermal Resistance (NOTE 2)

Typical Thermal Resistance(NOTE 1)

Operating Junction Temperature Range

Storage Temperature Range

Notes:

℃/W

℃

C_J

R_θJA

T_J

(-55 to +150)

℃

T_STG

1 Thermal resistance from junction to ambient with .375”(9.5mm)lead length, PCB. mounted. .

2. Measured at 1.0 MHz and applied reverse of 4.0 V

Web Site:

WWW.PS-PFS.COM

HIGH EFFICIENCY RECTIFIER

VOLTAGE RANGE

CURRENT

50 to 1000 Volts

2.5Ampere

HER251 THRU HER257

RATING AND CHRACTERISTIC CURVES HER251 THRU HER258

FIG.2-MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

FIG.1-TYPICAL FORWARD CURRENT

DERATING CURVE

3.0

2.0

150

8.3ms Single Half Sine-Wave

(JEDEC Method) Tj=Tjmax

100

1.0

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

1 Cycle

0.375"(9.5mm)Lead Length

100

175

100

150

125

NUMBER OF CYCLES AT 60 Hz

AMBIENT TEMPERATURE, (° C)

FIG.3-TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

FIG.4-TYPICAL REVERSE

CHARACTERISTICS

100

1.0

T =125°

1.0

T_j=25° C

Tj =25° C

Pulse Width=300us

0.1

1% Duty Cycle

120

140

100

0.01

0.4

PERCENT OF RATED PEAK

REVERSE VOLTAGE,(%)

0.6

0.8

1.0

1.2

1.4

1.6

1.8

INSTANTANEOUS FORWARD VOLTAGE,(V)

FIG.5-TYPICAL JUNCTION CAPACITANCE

100

FIG. 6- TEST CI RCUI T DIAGRAM AND

REVERSE REXOVERY TIME CHARACTERI STIC

Trr

+0.5A

10Ω

NONINDUCTIVE

50Ω

NONINDUCTIVE

(-)

PULSE

GENERATIOR

(NOTE 2)

D. U.T

(+)

0.25A

25 Vdc

（approx）

(-)

1Ω

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

TJ=25° C F=1MHz

-1.0A

1cm

Vsig=50mVp-p

SET TIME BASE FOR

50 /100NS /cm

NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF

2.Rise time=10ns max.Source Impedance=50 ohms

0.1

1.0

100

REVERSE VOLTAGE,(V)

Web Site:

WWW.PS-PFS.COM

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