LL4148 Datasheet. Www.s Manuals.com. Panjit

User Manual: Datasheets LL4148.

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LL4148
FAST SWITCHING SURFACE MOUNT DIODES
POWER

100 Volts

VOLTAGE

500 mWatts

MINI-MELF/LL-34

Unit : inch (mm)

FEATURES

.063(1.6)

MECHANICAL DATA
• Case: Mini Melf, Glass
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Cathode Band
• Marking: Cathode Band Only
• Weight: 0.03 grams
• Packing information

.020(0.5)
.012(0.3)

.055(1.4)DIA.

• Fast switching Speed.
• Surface Mount Package Ideally Suited For Automatic Insertion.
• Silicon Epitaxal Planar Construction.
• In compliance with EU RoHS 2002/95/EC directives

.020(0.5)
.012(0.3)
.146(3.7)
.130(3.3)

T/R - 2.5K per 7" plastic reel
T/R - 10K per 13” plastic reel

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted)

PARAMETER

SYMBOL

LL4148

UNITS

VR M

100

V

C And f >50Hz

IF (A V )

150

mA

C

IF S M

500

mA

PT O T

500

mW

Maximum Forward Voltage at IF =10mA

VF

1.0

V

Maximum Leakage Current
at VR =20V
at VR =75V
at VR =20V ,TJ= 150O C
at VR=100V

IR

25
5
50
100

nA
µA
µA
µA

Maximum Capacitance at VF =VR =0

CJ

4

pF

Maximum Reverse Recovery Time From
IF =-IR =10mA to IR R =-1mA ,VR =6V RL =100 Ω

trr

4

ns

Typical Thermal Resistance

RθJ A

300

Junction Temperature and Storage Temperature Range

TJ ,TS

-65 to +175

Peak Reverse Voltage
Maximum Average Forward Current at Ta=25
Surge Forward Current at t < 1s and Tj= =25
Power Dissipation at Tamb= 25

O

O

O

C

O

C/W
O

C

NOTE:
1. CJ at VR=0, f=1MHZ
2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω

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LL4148
RATING A ND CHARACTERISTIC CURVES

A

10

2

I

v=tp / T T =1/fp
tp

I FRM

I FRM
t

T
10 1
V=0
V=0.1
10

V=0.2

0

V=0.3

10 -1
10 -5

10 -4

10 -3

10 -2

10 -1

10 0

10 1

S

tp

Fig.1 ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION

10

4

10

3

10

2

10

1

10

0

10

-1

O

10

3

10

2

10

O

T A =125 C

FORWARD CURRENT, mA

FORWARD RESISTANCE, 

T J =25 C
f=1KHz

1

O

T A =25 C
10

0

10
10 -2

10 -1

10 0

10 1

10 2

-2

0

FORWARD CURRENT, mA

Fig.2-DYNAMIC FORWARD RESISTANCE
VERSUS FORWARD CURRENT

5.0

T J =25 O C
f=1KHz

500

300

2

Fig.3 FORWARD CHARACTERISTICS

CAPACITANCE, pF

POWER DISSIPATION, mW

1
FORWARD VOLTAGE, VOLTS

4.0

3.0

2.0

100
1.0

0

100

AMBIENT TEMPERATURE

Fig.4 DERATING CURVE

STAD-APR.03.2009
2

200

0

2

4

6

8

1.0

REVERSE VOLTAGE, VOLTS

Fig.5 TYPICAL JUNCTION CAPACITANCE

PAGE . 2

LL4148
MOUNTING PAD LAYOUT

ORDER INFORMATION
• Packing information
T/R - 10K per 13" plastic Reel
T/R - 2.5K per 7" plastic Reel

STAD-APR.03.2009
2

PAGE . 3

LL4148
For example :
RB500V-40_R2_00001
Serial number
Part No.

Version code means HF
Packing size code means 13"
Packing type means T/R

Packing Code XX

Version Code XXXXX

Packing
type

1st Code

Packing
2nd Code
size code

T/B

A

N/A

0

HF

0

serial number

T/R

R

7"

1

RoHS

1

serial number

B/P

B

13"

2

T/P

T

26mm

X

TRR

S

52mm

Y

TRL

L

PBCU

U

FORMING

F

PBCD

D

HF or RoHS 1st Code

2nd~5th Code

Part No_packing code_Version
LL4148_R1_10001
LL4148_R2_10001

STAD-APR.03.2009
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LL4148

Disclaimer
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Reproducing and modifying information of the document is prohibited without
permission from Panjit International Inc..

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Panjit International Inc. reserves the rights to make changes of the content herein the
document anytime without notification. Please refer to our website for the latest
document.

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Panjit International Inc. disclaims any and all liability arising out of the application or
use of any product including damages incidentally and consequentially occurred.

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Panjit International Inc. does not assume any and all implied warranties, including
warranties of fitness for particular purpose, non-infringement and merchantability.

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Applications shown on the herein document are examples of standard use and
operation. Customers are responsible in comprehending the suitable use in particular
applications. Panjit International Inc. makes no representation or warranty that such
applications will be suitable for the specified use without further testing or modification.

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The products shown herein are not designed and authorized for equipments requiring
high level of reliability or relating to human life and for any applications concerning
life-saving or life-sustaining, such as medical instruments, transportation equipment,
aerospace machinery et cetera. Customers using or selling these products for use in
such applications do so at their own risk and agree to fully indemnify Panjit
International Inc. for any damages resulting from such improper use or sale.

STAD-APR.03.2009
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