1.5KE33A datasheet(3/3 Pages) DIOTECH

Part #	1.5KE33A

Description	TRANSIENT VOLTAGE SUPPRESSOR

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Manufacturer	DIOTECH [Diotech Company.]

Direct Link	http://www.kdiode.com

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1.5KE6.8(C)A THRU 1.5KE440(C)A

RATINGS AND CHARACTERISTIC CURVES

10

100

1

10

100

200

Number of Cycles at 60 Hz

Fig.6 - Maximum Non-Repetitive Forward

Surge Current Uni-Directional Only

8.3ms Single Half Sine-Wave

(JEDEC Method)TJ=TJ max.

0.1

1

10

100

10ms

0.1µs

1.0µs

10µs

100µs

1.0ms

td - Pulse Width (sec.)

Fig. 1 - Peak Pulse Power Rating Curve

0

25

50

75

100

125

150

175 200

0

1.0

2.0

3.0

4.0

Fig. 5 - Steady State Power Derating Curve

TL - Lead Temperature (°C)

L=0.375" (9.5mm)

Lead Lengths

1.6x1.6x.040"

(40x40x1mm)

Copper Heat Sinks

5.0

6.0

7.0

8.0

60Hz

Resistive or

Inductive Load

t - Time(ms)

150

0

1.0

tr = 10µsec.

Peak Value

IPPM

TJ = 25°C

Pulse Width (td)

is defined as the point

where the peak current

decays to 50% of IPPM

10/1000µsec.Waveform

as defined by R.E.A.

td

Fig.3 - Pulse Waveform

4.0

50

Half Value- IPPM

2

100

3.0

0

5

10

100

1000

10000

Fig. 4 - Typical Junction Capacitance

VWM - Reverse Stand-Off Voltage (V)

Unidirectional

Bidirectional

f = 1MHz

Vsig = 50mVp-p

TJ = 25°C

VR = 0

500

VR= Rated

Stand-off Voltage

10

100

0

12.5

25

37.5

50

62.5

75

87.5

100

0

25

50

75

100

125

150

175

200

Fig.2 - Pulse Derating Curve

TA - Ambient Temperature (°C)

2.0

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