China LL4148 Small Signal Fast Switching Diode Suppliers, Factory

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LL4148 Small Signal Fast Switching Diode-Topdiode

LL4148 is a Silicon Epitaxial planar diode with an identification of cathode band, comes in glass package version. It has high conductance and high reliability

● LL4148 Small Signal Fast Switching Diode Introduction

Diodes - General Purpose, Power, Switching Small Signal Diode

LL4148 SMD Small Signal Fast Switching Diodes High-Speed 200mA 100V LL-34 (SOD-80)

● LL4148 Small Signal Fast Switching Diode Features

* 500mW Power dissipation

* 4pF at 1MHz Total capacitance

● LL4148 Small Signal Fast Switching Diode Applications

* Extreme fast switches

* Can be used to prevent reverse polarity problem

* Protect Power electronic switches that are operating with high switching frequency.

* Used as a protection device

* Current flow regulators

* Signal Processing

● LL4148 Small Signal Fast Switching Diode Qualification，Delivery, Shipping and Terms

* RoHS Compliant

* REACH Compliant

* Regular Stock Diode LL4148 Available

* Ex-work, FCA Terms, or FOB Terms

● LL4148 Small Signal Fast Switching Diode Outlines and External Dimensions

● LL4148 Small Signal Fast Switching Diode MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings (Ta = 25 OC)

Parameter

Symbol

Value

Unit

Peak Reverse Voltage

VRM

100

V

Reverse Voltage

VR

75

V

Average Rectified Forward Current

IF(AV)

200

mA

Non-repetitive Peak Forward Surge Current

at t = 1 s
at t = 1 ms

IFSM

0.5
1
4

A

at t = 1 μs

Power Dissipation

Ptot

5001)

mW

Junction Temperature

Tj

175

OC

Storage Temperature Range

Tstg

- 65 to + 175

OC

1) Valid provided that electrodes are kept at ambient temperature.

Characteristics at Ta = 25 OC

Parameter

Symbol

Min.

Max.

Unit

Forward Voltage at
IF= 10 mA

VF

-

1

V

Leakage Current
at VR= 20 V
at VR= 75 V
at VR= 20 V, Tj= 150 OC

IR
IR
IR

-
-
-

25
5
50

nA
µA
µA

Reverse Breakdown Voltage
tested with 100 µA Pulses

V(BR)R

100

-

V

Capacitance
at VR= 0, f = 1 MHz

Ctot

-

4

pF

Voltage Rise when Switching ON tested with 50 mA Forward Pulses
tp = 0.1 s, Rise Time < 30 ns, fp = 5 to 100 KHz

Vfr

-

2.5

V

Reverse Recovery Time
at IF= 10 mA to IR= 1 mA, VR= 6 V, RL= 100 Ω

trr

-

4

ns

Thermal Resistance Junction to Ambient Air

RthA

-

0.351)

K/mW

Rectification Efficiency
at f = 100 MHz, VRF= 2 V

ηV

0.45

-

1) Valid provided that electrodes are kept at ambient temperature.

● LL4148 Small Signal Fast Switching Diode Related Parts

LL4148 Small Signal Fast Switching Diode

RoHS Compliant

REACH Compliant

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