Datasheet > 1SMBF5945B

1SMBF5945B

更新时间： 2024-11-05 12:57:11

品牌	Logo	应用领域
森美特 - SUNMATE		/
页数	文件大小	规格书
2页	542K
描述
1.5W axial zener diode SMBF 68V series

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数据手册

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1SMBF5945B 数据手册

1SMAF5913B - 1SMAF5957B

SURFACE MOUNT SILICON ZENER DIODES

VOLTAGE RANGE: 3.3 - 240V

POWER: 1.5Wa t t s

Features

Complete Voltage Range 3.3 to 240 Volts

High peak reverse power dissipation

High reliability

Low leakage current

Mechanical Data

Case: SMAF,Molded Plastic

SMAF

Dim Min Max Typ

Terminals: Solder Plated, Solderable

4.75 4.85

3.68 3.72

4.80

3.70

2.60

1.00

per MIL-STD-750, Method 2026

Polarity:Color band denotes cathode end

Mounting Position:Any

2.57

2.63

0.097 1.03

1.38 1.42 1.40

0.13 0.17 0.15

0.63 0.67 0.65

Weight:0.0018 ounce, 0.064 grams

All Dimensions in mm

T_A= 25ꢀC unless otherwise specified

Maximum Ratings

Rating

Symbol

Value

Unit

P_D

DC Power Dissipation @ T_L= 75 °C

Measured zero lead length(1" square copper pad, FR-4 board)

Derate above 75 °C

1.5

mW/°C

R_ӨJL

P_D

°C/W

Thermal Resistance Junction to Lead

DC Power Dissipation @ Ta = 25 °C

0.5

mW/°C

°C/W

(FR-4 board) Derate above 25 °C

4.0

R_ӨJA

V_F

Thermal Resistance Junction to Ambient

Maximum Forward Voltage at I_F= 200 mA

Operating Junction and Storang Temperature Range

250

1.5

T_J, T_STG

- 65 to + 150

°C

Fig. 1 POWER TEMPERATURE DERATING CURVE

1.5

1.2

0.9

0.6

0.3

T_L

100

125

150

175

T^,TEMPERATURE (°C)

1 of 2

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