LL4148, LL4448 Datasheet. Www.s Manuals.com. Vishay

User Manual: Datasheets LL4448.

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LL4148, LL4448
www.vishay.com

Vishay Semiconductors

Small Signal Fast Switching Diodes
FEATURES
• Silicon epitaxial planar diode
• Electrical data identical with the devices 1N4148
and 1N4448 respectively
• AEC-Q101 qualified
• Material categorization:
For definitions of compliance
www.vishay.com/doc?99912

please

see

APPLICATIONS
• Extreme fast switches

MECHANICAL DATA
Case: MiniMELF SOD-80
Weight: approx. 31 mg
Cathode band color: black
Packaging codes/options:
GS18/10K per 13" reel (8 mm tape), 10K/box
GS08/2.5K per 7" reel (8 mm tape), 12.5K/box

PARTS TABLE
TYPE DIFFERENTIATION

ORDERING CODE

TYPE MARKING

INTERNAL
CONSTRUCTION

REMARKS

LL4148

VRRM = 100 V,
VF = max. 1000 mV at IF = 50 mA

LL4148-GS08 or LL4148-GS18

-

Single diode

Tape and reel

LL4448

VRRM = 100 V,
LL4448-GS08 or LL4448-GS18
VF = max. 1000 mV at IF = 100 mA

-

Single diode

Tape and reel

PART

ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER

TEST CONDITION

Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current

tp = 1 μs

Repetitive peak forward current
Forward continuous current
Average forward current

VR = 0

Power dissipation (1)

SYMBOL

VALUE

UNIT

VRRM

100

V

VR

75

V

IFSM

2

A

IFRM

500

mA
mA

IF

300

IF(AV)

150

mA

Ptot

500

mW

SYMBOL

VALUE

UNIT

RthJA

300

K/W

TJ

175

°C

Tstg

- 65 to + 175

°C

Note
(1) Valid provided that electrodes are kept at ambient temperature

THERMAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER

TEST CONDITION

Thermal resistance junction to ambient air (1)
Junction temperature
Storage temperature range
Note
(1) Valid provided that electrodes are kept at ambient temperature

Rev. 1.9, 27-Mar-13

Document Number: 85557
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

LL4148, LL4448
www.vishay.com

Vishay Semiconductors

ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Forward voltage

Reverse current

TEST CONDITION

PART

SYMBOL

MIN.

IF = 5 mA

LL4448

VF

620

IF = 50 mA

LL4148

VF

IF = 100 mA

LL4448

VF

MAX.

UNIT

720

mV

860

1000

mV

930

1000

mV

VR = 20 V

IR

25

nA

VR = 20 V, Tj = 150 °C

IR

50

μA

5

μA

VR = 75 V

IR

Breakdown voltage

IR = 100 μA, tp/T = 0.01,
tp = 0.3 ms

V(BR)

Diode capacitance

VR = 0 V, f = 1 MHz,
VHF = 50 mV

CD

IF = IR = 10 mA,
iR = 1 mA

Reverse recovery time

TYP.

100

V
4

pF

8

IF = 10 mA, VR = 6 V,
iR = 0.1 x IR, RL = 100 

ns

trr
4

TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
1000

1000

IR- Reverse Current (nA)

IF - Forward Current (mA)

LL4148
100
Scattering Limit
10

1
Tj = 25 °C
0.4

0.8

1.2

1.6

1

2.0

Fig. 1 - Forward Current vs. Forward Voltage

100

Fig. 3 - Reverse Current vs. Reverse Voltage

3.0

1000
CD - Diode Capacitance (pF)

LL4448

IF - Forward Current (mA)

10
VR- Reverse Voltage (V)

94 9098

V F - Forward Voltage (V)

94 9096

Scattering Limit
10

1

0.1
0

Tj = 25 °C
100

100
Scattering Limit
10

1

f = 1 MHz

2.5

Tj = 25 °C
2.0
1.5
1.0
0.5

Tj = 25 ° C

0

0.1
0
94 9097

0.4

0.8

1.2

1.6

V F - Forward Voltage (V)

Fig. 2 - Forward Current vs. Forward Voltage

Rev. 1.9, 27-Mar-13

0.1

2.0
94 9099

1

10

100

VR - Reverse Voltage (V)

Fig. 4 - Diode Capacitance vs. Reverse Voltage

Document Number: 85557
2
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

LL4148, LL4448
www.vishay.com

Vishay Semiconductors

PACKAGE DIMENSIONS in millimeters (inches): MiniMELF SOD-80

1.6 (0.063)
1.4 (0.055)

Cathode indentification

*
0.47 (0.019) max.
3.7 (0.146)
3.3 (0.130)
* The gap between plug and glass can
be either on cathode or anode side

2.5 (0.098) max.

1.25 (0.49) min.

2 (0.079) min.

Foot print recommendation:

Document no.:6.560-5005.01-4
Rev. 8 - Date: 07.June.2006

5 (0.197) ref.

96 12070

Rev. 1.9, 27-Mar-13

Document Number: 85557
3
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Legal Disclaimer Notice
www.vishay.com

Vishay

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requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
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Revision: 02-Oct-12

1

Document Number: 91000

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