HER251 Просмотр технического описания (PDF) - Shenzhen Ping Sheng Electronics Co., Ltd.

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производитель

HER251

HIGH EFFICIENCY RECTIFIER

Shenzhen Ping Sheng Electronics Co., Ltd. 

HIGH EFFICIENCY RECTIFIER

HER251 THRU HER257

VOLTAGE RANGE

CURRENT

50 to 1000 Volts

2.5Ampere

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

MECHANICAL DATA

• 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

• Weight: 0.020ounce, 0.56 grams

1.0(25.4)

MIN.

.160(4.1)

.138(3.5)

1.0(25.4)

MIN.

.042(1.1)

.038(0.96)

DIA.

R-3

.160(4.1) DIA.

.138(3.5)

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

• Ratings at 25OC ambient temperature unless otherwise specified

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

• For capacitive load derate current by 20%

HER HER HER HER

SYMBOLS 251 252 253 254

HER

255

Maximum Repetitive Peak Reverse Voltage

VRRM

50 100 200 300 400

Maximum RMS Voltage

VRMS

35

70 140 210 280

Maximum DC Blocking Voltage

Maximum Average Forward Rectified Current

0.375”(9.5mm) lead length at TA= 50℃

Peak Forward Surge Current

8.3mS single half sine wave superimposed on

rated load (JEDEC method)

VDC

50 100 200 300 400

I(AV)

2.5

IFSM

100

Maximum Instantaneous Forward Voltage @ 2.5A

VF

1.0

1.3

Maximum DC Reverse Current at Rated

DC Blocking Voltage

TA = 25℃

TA = 125℃

IR

5.0

250

Maximum Full Load Recovery Current,full cycle

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

IR(AV)

100

Maximum Reverse Recovery Time

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

trr

50

Typical Thermal Resistance (NOTE 2)

Typical Thermal Resistance(NOTE 1)

CJ

RθJA

30

35

Operating Junction Temperature Range

TJ

(-55 to +150)

Storage Temperature Range

TSTG

(-55 to +150)

Notes:

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

HER

256

600

420

600

1.5

HER

257

800

560

800

HER

258

1000

700

1000

UNITS

Volts

Volts

Volts

Amp

Amps

1.7

Volts

µA

µA

75

ns

35

PF

℃/W

℃

℃

Web Site: WWW.PS-PFS.COM

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