Comchip CDSF 101 A Service Manual

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SMD Switching DiodeSMD Switching Diode

COMCHIP

SMD Diodes Specialist

CDSF101A

(Lead-free Device)

High Speed

Features

Designed for mounting on small surface.

Extremely thin/leadless package.

Low leakage current (<50nA).

High mounting capability, strong surge
withstand, high reliability.

Mechanical data

Case: 1005 (2512) standard package,

molded plastic.

Terminals: Gold plated, solderable per

MIL-STD-750, method 2026.

Polarity: Indicated by cathode band.

Mounting position: Any.

Weight: 0.006 gram (approximately)

1005(2512)

0.102(2.60)

0.095(2.40)

0.020(0.50) Typ.

0.012 (0.30) Typ.

0.020(0.50) Typ.

Dimensions in inches and (millimeter)

0.051(1.30)

0.043(1.10)

0.035(0.90)

0.027(0.70)

Maximum Rating ( at TA = 25 C unless otherwise noted )

Parameter

Repetitive peak reverse voltage

Reverse voltage

Average forward current

Forward current , surge peak

Repetitive peak forward current

Power Dissipation

Storage temperature

Junction temperature

Conditions

8.3 ms single half sine-wave superimposed
on rate load ( JEDEC method )

Symbol

VRRM

VR

IO

IFSM

IFRM

PD

TSTG

T j

Min

-40

-40

Typ

1000

Electrical Characteristics ( at TA = 25 C unless otherwise noted )

Parameter

Forward voltage

Reverse current

Capacitance between terminals

Reverse recovery time

QW-A0005

Conditions

I F = 100 mA DC

VR = 75 V

f = 1MHz, and 0.5VDC reverse voltage

VR = 6V, IF = 10 mA, RL =50 ohms

Symbol

VF

IR

CT

Trr

Min

Typ

3

4

Max

90

80

100

225

300

+125

+125

Max

1.0

50

Unit

V

V

mA

mA

mA

mW

C

C

Unit

V

nA

pF

nS

REV:A

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SMD Switching DiodeSMD Switching Diode

RATING AND CHARACTERISTIC CURVES (CDSF101A)

COMCHIP

SMD Diodes Specialist

Fig. 1 - Forward characteristics

1000m

100m

10m

1m

Forward current (A )

100u

10u

0.2 0.4 0.80 1.00.6

125 C

75 C

Forward voltage (V)

Fig. 3 - Capacitance between
terminals characteristics

5.0

4.0

3.0

2.0

25 C

25 C

-

f=1MHz
Ta = 25 C

1.2

Fig. 2 - Reverse characteristics

10u

1u

125 C

100n

75 C

25 C

30

40 50 60 70 80

Reverse current ( A )

10n

1n

100p

0 10 20

Reverse voltage (V)

Fig. 4 - Current derating curve

Mounting on glass epoxy PCBs

100

80

60

40

1.0

0

Capacitance between terminals : (pF)

0

QW-A0005

5

10 15 20 25

Reverse voltage : (V)

20

Average forward current ( % )

0

30

0 25 50

75

100 125 150

Ambient temperature ( C)

REV:A

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