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Table 1: Main Product CharacteristicsIF(AV) 0.1 AVRRM 30 V

Tj 150CVF(max) 0.33 and 0.40 V

BAR42FILMBAR43FILM

SMALL SIGNAL SCHOTTKY DIODE

REV. 3

Table 3: Absolute Ratings (limiting values)Symbol Parameter Value Unit

VRRM Repetitive peak reverse voltage 30 V

IF(AV) Continuous forward current 0.1 A

IFSM Surge non repetitive forward current tp = 10ms sinusoidal 0.75 A

Ptot Power dissipation (note 1) Tamb = 25C 250 mWTstg Maximum storage temperature range -65 to + 150 C

Tj Maximum operating junction temperature * 150 CTL Maximum temperature for soldering during 10s 260 C

Note 1: for double diodes, Ptot is the total dissipation of both diodes.

* : thermal runaway condition for a diode on its own heatsinkdPtotdTj---------------1

Rth j a( )-------------------------->

K

AK

A

Nc

A2

A1

KK

A1

A2

A2

A1K2

K1

A1K2

A2

K1

K1

A

K2K2

AK1

BAR42FILMBAR43FILM

BAR43CFILM

BAR43AFILM

BAR43ASFILM

SOT23-3L

April 2005

FEATURES AND BENEFITS Very small conduction losses Negligible switching losses Low forward voltage drop Surface mount device

DESCRIPTIONGenral purpose metal to silicon diodes featuringvery low turn-on voltage and fast switching.

Table 2: Order CodesPart Number MarkingBAR42FILM D94BAR43FILM D95

BAR43AFILM DB1BAR43CFILM DB2BAR43SFILM DA5

BAR42FILM / BAR43FILM

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Table 4: Thermal Resistance

Table 5: Static Electrical Characteristics

Pulse test: * tp = 5 ms, < 2%** tp = 380 s, < 2%

Table 6: Dynamic Characteristics (Tj = 25C)

Symbol Parameter Value UnitRth(j-a) Junction to ambient (*) 500 C/W

(*) Mounted on epoxy board with recommended pad layout.

Symbol Parameter Tests conditions Min. Typ Max. UnitVBR Breakdown voltage Tj = 25C IR = 100A 30 V

IR * Reverse leakage currentTj = 25C VR = VRRM

500 nATj = 100C 100 A

VF ** Forward voltage drop Tj = 25C

BAR42IF = 10mA 0.35 0.40

VIF = 50mA 0.50 0.65

BAR43IF = 2mA 0.26 0.33IF = 15mA 0.45

ALL IF = 100mA 1

Symbol Parameter Tests conditions Min. Typ. Max. UnitC Junction capacitance Tj = 25C VR = 1V F = 1 MHz 7 pF

trr Reverse recovery timeIF = 10 mA IR = 10 mATj = 25C Irr = 1 mA RL = 100

5 ns

Detection efficiencyCL = 300 pF F = 45 MHzTj = 25C Vi = 2 V RL = 50

80 %

Figure 1: Forward voltage drop versus forwardcurrent (typical values, low level)

Figure 2: Forward voltage drop versus forwardcurrent (typical values, high level)

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.500.00E+0

2.00E-3

4.00E-3

6.00E-3

8.00E-3

1.00E-2

1.20E-2

1.40E-2

1.60E-2

1.80E-2

2.00E-2I (A)FM

V (V)FM

T =25CjT =50Cj

T =100Cj

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.11E-3

1E-2

1E-1

5E-1I (A)FM

V (V)FM

T =25CjT =50Cj

T =100Cj

BAR42FILM / BAR43FILM

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Figure 3: Reverse leakage current versusreverse voltage applied (typical values)

Figure 4: Reverse leakage current versusjunction temperature

Figure 5: Junction capacitance versus reversevoltage applied (typical values)

Figure 6: Relative variation of thermalimpedance junction to ambient versus pulseduration (epoxy FR4 with recommended padlayout, e(Cu)=35m)

Figure 7: Thermal resistance junction toambient versus copper surface under eachlead (Epoxy printed circuit board FR4, copperthickness: 35m)

0 5 10 15 20 25 301E-2

1E-1

1E+0

1E+1

1E+2I (A)R

V (V)R

T =100Cj

T =50Cj

T =25Cj

0 25 50 75 100 125 1501E-2

1E-1

1E+0

1E+1

1E+2

1E+3

1E+4I (A)R

V (V)R

V =30VR

1 2 5 10 20 301

2

5

10C(pF)

V (V)R

F=1MHzT =25Cj

1E-3 1E-2 1E-1 1E+0 1E+1 1E+20.01

0.10

1.00Z /Rth(j-a) th(j-a)

T

=tp/T tpt (s)p

= 0.5

= 0.2

= 0.1

Single pulse

0 5 10 15 20 25 30 35 40 45 50150

200

250

300

350R (C/W)th(j-a)

S(CU)(mm)

P=0.25W

BAR42FILM / BAR43FILM

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Figure 8: SOT23-3L Package Mechanical Data

Figure 9: Foot Print Dimensions (in millimeters)

A1

A

LH

B

E

D

e

e1

S

c

0.95 0.61

1.26

3.250.73

Table 7: Ordering Information

Epoxy meets UL94, V0

Ordering type Marking Package Weight Base qty Delivery modeBAR42FILM D94

SOT23-3L 0.01 g 3000 Tape & reelBAR43FILM D95

BAR43AFILM DB1BAR43CFILM DB2BAR43SFILM DA5

Table 8: Revision HistoryDate Revision Description of Changes

Aug-2001 2B Last update.16-Apr-2005 3 Layout update. No content change.

REF.DIMENSIONS

Millimeters InchesMin. Max. Min. Max.

A 0.89 1.4 0.035 0.055A1 0 0.1 0 0.004B 0.3 0.51 0.012 0.02c 0.085 0.18 0.003 0.007D 2.75 3.04 0.108 0.12e 0.85 1.05 0.033 0.041e1 1.7 2.1 0.067 0.083E 1.2 1.6 0.047 0.063H 2.1 2.75 0.083 0.108L 0.6 typ. 0.024 typ.S 0.35 0.65 0.014 0.026

BAR42FILM / BAR43FILM

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