MMBD4448_ [DIODES]

SURFACE MOUNT SWITCHING DIODE; 表面贴装开关二极管


型号：	MMBD4448_
厂家：	DIODES INCORPORATED
描述：	SURFACE MOUNT SWITCHING DIODE 表面贴装开关二极管二极管开关
文件：	总3页 (文件大小：332K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SPICE MODEL: MMBD4448

MMBD4448

SURFACE MOUNT SWITCHING DIODE

Features

Fast Switching Speed

SOT-23

Surface Mount Package Ideally Suited for Automatic Insertion

For General Purpose Switching Applications

High Conductance

Dim

Min

0.37

1.20

2.30

0.89

0.45

1.78

2.80

0.013

0.903

0.45

0.085

0°

Max

0.51

1.40

2.50

1.03

0.60

2.05

3.00

0.10

1.10

0.61

0.180

8°

Lead Free/RoHS Compliant (Note 3)

Mechanical Data

TOP VIEW

Case: SOT-23

Case material: Molded Plastic. UL Flammability

Classification Rating 94V-0

Moisture Sensitivity: Level 1 per J-STD-020C

Terminals: Solderable per MIL-STD-202, Method 208

Lead Free Plating (Matte Tin Finish annealed over Alloy 42

leadframe).

Polarity: See Diagram

Marking: KA3 (See Page 2)

Weight: 0.008 grams (approx.)

All Dimensions in mm

@ T_A= 25°C unless otherwise specified

Maximum Ratings

Characteristic

Symbol

MMBD4448

Unit

V_RM

Non-Repetitive Peak Reverse Voltage

100

V_RRM

V_RWM

V_R

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

V_R(RMS)

I_FM

RMS Reverse Voltage

Forward Continuous Current (Note 1)

Average Rectified Output Current (Note 1)

500

250

I_O

Non-Repetitive Peak Forward Surge Current @ t = 1.0ms

4.0

2.0

I_FSM

P_d

@ t = 1.0s

Power Dissipation (Note 1)

350

357

°C/W

°C

qJA

Thermal Resistance Junction to Ambient Air (Note 1)

Operating and Storage Temperature Range

T_j, T_STG

-65 to +150

@ T_A= 25°C unless otherwise specified

Electrical Characteristics

Characteristic

Symbol

Min

Max

Unit

Test Condition

V_(BR)R

Reverse Breakdown Voltage (Note 2)

I_R= 2.5mA

0.72

I_F= 5.0mA

I_F= 10mA

I_F= 100mA

I_F= 150mA

0.62

0.855

V_F

Forward Voltage (Note 2)

Reverse Current (Note 2)

1.0

1.25

V_R= 75V

2.5

V_R= 75V, T_j= 150°C

V_R= 25V, T_j= 150°C

V_R= 20V

I_R

V_R= 0, f = 1.0MHz

C_T

t_rr

Total Capacitance

4.0

I_F= I_R= 10mA,

I_rr= 0.1 x I_R, R_L= 100W

Reverse Recovery Time

Notes: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website

at http://www.diodes.com/datasheets/ap02001.pdf.

2. Short duration test pulse used to minimize self-heating effect.

3. No purposefully added lead.

DS12011 Rev. 11 - 2

1 of 3

MMBD4448

www.diodes.com

ã Diodes Incorporated

10000

1000

100

1000

100

= 125ºC

= 75ºC

= -40ºC

= 25ºC

= 0ºC

= 25ºC

= 75ºC

= 125ºC

= 0ºC

= -40ºC

0.1

0.4

0.8

1.2

1.6

100

V , INSTANTANEOUS FORWARD VOLTAGE (V)

V , REVERSE VOLTAGE (V)

Fig. 1 Typical Forward Characteristics

Fig. 2 Typical Reverse Characteristics

2.5

500

f = 1MHz

400

300

1.5

200

100

0.5

200

100

T , AMBIENT TEMPERATURE (°C)

V , REVERSE VOLTAGE (V)

Fig. 4, Max Power Dissipation vs

Ambient Temperature

Fig. 3 Typical Capacitance vs. Reverse Voltage

(Note 4)

Ordering Information

Device

Packaging

Shipping

MMBD4448-7-F

SOT-23

3000/Tape & Reel

Notes:

4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

KA3 = Product Type Marking Code

YM = Date Code Marking

Y = Year ex: N = 2002

KA3

M = Month ex: 9 = September

Date Code Key

Year

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

Code

Month

Code

Jan

Feb

March

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

DS12011 Rev. 11 - 2

2 of 3

MMBD4448

www.diodes.com

IMPORTANT NOTICE

Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhance-

ments, improvements, or other changes. Diodes, Inc. does not assume any liability arising out of the application or use of any product described herein;

neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such

use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.

LIFE SUPPORT

The products located on our website at www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the

component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated.

DS12011 Rev. 11 - 2

3 of 3

MMBD4448

www.diodes.com

ã Diodes Incorporated

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