Characteristic Curves

Fig2. Power Rating Derating Curve

ROHS

Revision March 1,2022

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ROHS

Electrical Characteristics @25℃ Unless Otherwise Specified )

Specifications are subject to change without notice.

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ULC33CDQ

Transient Voltage Suppressors for ESD Protection

Fig3. ESD Pulse Waveform(According to IEC61000-4-2)

Fig1. 8/20μs Pulse Waveform

VRWM

VBR

IR

CJ

VC

Reverse Working Voltage

Reverse Breakdown Voltage

Reverse Leakage Current

Junction capacitance

Positive Clamping Voltage

--

IT=1mA

VRWM = 3.3V, T= 25°C

VR = 0V, f = 1MHz

IPP = 1.0 A, TP = 8/20μs

IPP = 4.0 A, TP = 8/20μs

--

4.0

--

--

--

--

--

--

--

0.25

--

--

3.3

--

0.1

--

13

22

V

V

μA

pF

V

V

Characteristics

Symbol

Test Conditions

Typ.

Max.

Unit

Min.

0

5

10

15

20

25 30

120

tr

100

80

60

40

Peak Value IPP

20

0

td=t IPP/2

TEST

WAVEFORM

PARAMETERS

tr=8μs

td=20μs

t - Time (μs)

0

25

50

75

100

125

150

110

100

40

30

20

10

0

90

80

70

60

50

Ambient Temperature – TA (ºC)

100%

90%

10%

tr

30ns

=

Time

60ns