Datasheet > CMJA5050

CMJA5050

更新时间： 2023-12-06 20:11:47

品牌	Logo	应用领域
CENTRAL		/
页数	文件大小	规格书
6页	631K
描述
50V,80mA Surface mount Diode-Current Limiting Single: High Current

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CMJA5050 数据手册

CMJA5050

SURFACE MOUNT SILICON

ADJUSTABLE

CURRENT LIMITING DIODE

50V, 50-80mA

www.centralsemi.com

DESCRIPTION:

The CENTRAL SEMICONDUCTOR CMJA5050 is a

silicon field effect adjustable current regulating diode

designed for applications requiring a constant current

over a wide voltage range.

MARKING CODE: CA50

DFN123F CASE

FEATURES:

• Constant current range

APPLICATIONS:

• Adjustable regulation up to 80mA

• Wide operating voltage

• LED lighting and displays

• AC lighting panels

• Negative temperature coefficient for LED protection

• Eliminates need for additional regulation

• Decorative lighting

• Test and measurement equipment

MAXIMUM RATINGS: (T =25°C)

Peak Operating Voltage

SYMBOL

UNITS

570

Power Dissipation

Power Dissipation (Note 1)

Operating and Storage Junction Temperature

Thermal Resistance

1.0

T , T

-65 to +150

220

°C

stg



°C/W

Thermal Resistance (Note 1)

Note 1: Mounted on 300mm²4-layer PCB with 2-ounce copper traces.



125

ELECTRICAL CHARACTERISTICS: (T =25°C)

Steady State

Regulator Current*

Maximum Limiting

Voltage

Maximum Temperature

Coeﬃcient**

@ V =12V

NOM

@ I =0.8 x I MIN

mA/°C

-0.3

MIN

MAX

8.5

*Measured after applying DC test voltage for 90 seconds duration or greater with device mounted on FR-4 PC Board with

2oz. copper mounting pad area of 300mm²in still air.

**Measured between 25°C and 50°C.

Pulsed Regulator

Current*

Maximum Limiting

Voltage

Maximum Temperature

Coeﬃcient**

@ V =20V

NOM

@ I =0.8 x I MIN

mA/°C

-0.3

MIN

MAX

8.0

*Pulse width <1.0ms

**Measured between 25°C and 50°C.

R3 (10-August 2020)

12 3 4 5 6

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