MMBD4148各脚功能电路原理芯片引脚定义引脚图及功能IC贸易商-中国IC网-芯三七

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产品型号MMBD4148的概述

芯片 MMBD4148 的概述芯片 MMBD4148 是一种小型二极管，广泛应用于电子电路中。作为一种通用的半导体器件，它主要用于整流、开关和保护等功能，适合于各种电子设备的设计。MMBD4148 的设计旨在满足高频和高效能的要求，使其成为现代电子设计中不可或缺的重要组成部分。该二极管的直流反向电压能力较强，同时具有低正向电压降和快速开关特性，使其在多种应用中表现出色。芯片 MMBD4148 的详细参数 MMBD4148 二极管的电气特性如下： - 正向电压降 (Vf): 通常在 0.6V 到 1.0V 范围内，具体值根据工作电流的不同而变化。 - 反向电压 (Vr): 最大反向电压可达到 100V，使其能够在高压环境下安全操作。 - 正向电流 (If): 最大正向电流为 1A，适合大多数中小功率应用。 - 反向电流 (Ir): 在高达 100V 的反向电压下，反向泄漏电流一般低于...

产品型号MMBD4148的Datasheet PDF文件预览

MMBD4148, MMBD4448

SURFACE MOUNT SWITCHING DIODES

350 mWatts

PACKAGE

SOT-23

POWER

75 Volts

VOLTAGE

FEATURES

• Fast switching speed.

• Surface mount package Ideally Suited for Automatic insertion

• Electrically Identical to Standard JEDEC

• High Conductance

MECHANICAL DATA

Case: SOT-23, Plastic

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

Approx. Weight: 0.008 gram

Marking: A2, A3

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25^OC ambient temperature unless otherwise specified.

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

For capacitive load, derate current by 20%.

PARAMETER

SYMBOL

MMBD4148

MMBD4448

UNITS

Reverse Voltage

Peak Reverse Voltage

100

150

2.0

100

150

4.0

Rectified Current (Average), Half Wave Rectification with

Resistive Load and f >=50 Hz

Peak Forward Surge Current, 8.3ms single half

sine-wave superimposed on rated load (JEDEC method)

IFSM

Power Dissipation Derate Above 25^OC

TOT

350

@ I

@ IF

=5mA

=10mA

0.72

1.0

Maximum Forward Voltage

1.0

Maximum DC Reverse Current at Rated DC Blocking Voltage

= 25^OC

2.5

4.0

2.5

4.0

µA

Typical Junction Capacitance( Notes1)

Maximum Reverse Recovery (Notes2)

Maximum Thermal Resistance

TRR

RθJA

357

-55 TO +125

^OC / W

^OC

Storage Temperature Range

NOTE:

SINGLE

1. CJ at VR=0, f=1MHZ

2.From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω

MMBD4148, MMBD4448

Part Number: MMBD4148, MMBD4448

PAGE 1

RATING and CHARACTERISTIC CURVES

TA=150^OC

TA=125^OC

1.0

TA=85^OC

TA=55^OC

0.1

0.01

0.1

TA=25^OC

0.001

0.01

0.2

0.4

0.6

0.8

1.0

1.2

REVERSE VOLTAGE, Volts

FORWARD VOLTAGE, Volts

LEAKAGE CURRENT

FORWARD VOLTAGE

6.0

4.5

3.5

2nF

60 W

VRF=2V

5k W

1.5

RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT

REVERSE VOLTAGE, Volts

TYPICAL CAPATICANCE

Part Number: MMBD4148, MMBD4448

PAGE 2

OUTLINE DRAWING

SOT-23

(

)

.119 3.00

(

.110 2.80

(

)

.006 .15

(

)

(

.083 2.10

.002 .05

(

)

.066 1.70

(

)

.020 .50

(

.013 .35

All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.

The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may changed without notice. No liability will be

accepted by the publisher for any consequence of its use.

Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.

PanJit Internatioal Inc.

TEL:886-7-6213121 Fax:886-7-6213129 Internet: http://www.panjit.com.tw email: sales@panjit.com.tw

Part Number: MMBD4148, MMBD4448

PAGE 3