Datasheet > 1N4948

1N4948

更新时间： 2024-11-12 06:24:03

品牌	Logo	应用领域
MIC		/
页数	文件大小	规格书
2页	52K
描述
FAST RECOVER RECTIFIER

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中文翻译

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数据手册

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1N4948 数据手册

FAST RECOVER RECTIFIER

VOLTAGE RANGE

200 to 1000 Volts

1.0 Ampere

1N4942 THRU 1N4948

CURRENT

DO-41

FEATURES

Low coat construction

.034(0.9)

.028(0.7)

DIA.

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.

.205(5.2)

.160(4.2)

.107(2.7)

.080(2.0)

MECHANICAL DATA

DIA.

Case: Transfer molded plastic

1.0(25.4)

MIN.

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: 0.012 ounce, 0.33 grams

Dimensions in inches and (millimeters)

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%

4944

400

280

400

4946

600

420

600

SYMBOLS

UNITS

4942

200

140

200

4947 4948

Maximum Repetitive Peak Reverse Voltage

Maximum RMS Voltage

V_RRM

V_RMS

V_DC

800

560

800

1000

700

Volts

Maximum DC Blocking Voltage

1000

Maximum Average Forward Rectified Current

0.375”(9.5mm) lead length at T_A= 75℃

I_(AV)

1.0

Amp

Peak Forward Surge Current

8.3mS single half sine wave superimposed on

rated load (JEDEC method)

I_FSM

V_F

I_R

Amps

Volts

µA

Maximum Instantaneous Forward Voltage @ 1.0A

1.3

5.0

100

250

T_A= 25℃

T_A= 100℃

Maximum DC Reverse Current at Rated

DC Blocking Voltage

Maximum Reverse Recovery Time (Note 3) T_J=25℃

trr

C_J

150

500

Typical Junction Capacitance (Note 1)

Typical Thermal Resistance (Note 2)

R_θJA

℃/W

Operating Junction Temperature Range

Storage Temperature Range

℃

T_J

(-55 to +150)

T_STG

Notes:

1.Measured at 1.0MHz and Applied Reverse Voltage of 4.0Volits.

2 Thermal Resistance from junction to Ambient at .375”(9.5mm)lead length, P.C.board mounted.

3.Reverse Recovery Test Conditions:If=0.5A,Ir=1.0A,Irr=0.25A

E-mail: sales@cnmic.com

Web Site: www.cnmic.com

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