WTE P4SMAJ Technical data

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WTE

POWER SEM ICOND UCTOR S

P4SMAJ SERIES

400W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS

Features

!

Glass Passivated Die Construction

!

400W Peak Pulse Power Dissipation B

!

5.0V – 170V Standoff Voltage

!

Uni- and Bi-Directional Versions Available D

!

Excellent Clamping Capability A

!

Fast Response Time F

!

Plastic Case Material has UL Flammability

Classification Rating 94V-O C H G

Mechanical Data

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Case: JEDEC DO-214AC Low Profile Molded Plastic

!

Terminals: Solder Plated, Solderable

per MIL-STD-750, Method 2026

!

Polarity: Cathode Band or Cathode Notch

!

Marking:

Unidirectional – Device Code and Cathode Band
Bidirectional – Device Code Only

!

Weight: 0.064 grams (approx.)

SMA/DO-214AC

Dim Min Max

A
B
C
D
E
F
G
H

All Dimensions in mm

2.50 2.90

4.00 4.60

1.40 1.60

0.152 0.305

4.80 5.28

2.00 2.44

0.051 0.203

0.76 1.52

E

“C” Suffix Designates Bi-directional Devices

“A” Suffix Designates 5% Tolerance Devices
No Suffix Designates 10% Tolerance Devices

Maximum Ratings and Electrical Characteristics

Characteristic Symbol Value Unit

Peak Pulse Power Dissipation at TA = 25°C (Note 1, 2, 5) Figure 3 P
Peak Forward Surge Current (Note 3) I
Peak Pulse Current on 10/1000µS Waveform (Note 1) Figure 4 I
Steady State Power Dissipation (Note 4) P
Operating and Storage Temperature Range Tj, T

Note: 1. Non-repetitive current pulse, per Figure 4 and derated above TA = 25°C per Figure 1.

2. Mounted on 5.0mm

3. 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.

4. Lead temperature at 75°C = T

5. Peak pulse power waveform is 10/1000µS.

2

copper pads to each terminal.

L .

@TA=25°C unless otherwise specified

PPM

FSM

PPM

M(AV)

STG

400 Minimum W

40 A

See Table 1 A

1.0 W

-55 to +150 °C

P4SMAJ SERIES 1 of 5 © 2002 Won-Top Electronics

100

75

10000

1000

T = 25 Cj°

50

25

PEAK POWER OR CURRENT

PEAK PULSE DERATING IN % OF

0

10 X 1000 Waveform
as defined by REA

0 25 50 75 100 125 150 175 200

T , AMBIENT TEMPERATURE ( C)

A

°

Fig. 1 Pulse Derating Curve

100

10

1.0

d

P , PEAK PULSE POWER (kW)

J

C , JUNCTION CAPACITANCE (pF)

Zero Bias

Stand-Off Voltage

100

10

1 10 100 1000

V , STANDOFF VOLTAGE (V)

WM

Fig. 2 Typical Junction Capacitance

T = 25 C

°

j

Non Repetitive
Pulse Waveform

0.1

0.1 1.0

Ppp

I , PEAK PULSE CURRENT (%I )

10 100

t PULSE WIDTH ( s)

p

µ

Fig. 3 Pulse Rating Curve

t = 10 s

µ

100

r

Peak Value I

pp

Half Value I /2

pp

50

t

p

0

10 X 1000 Waveform
as defined by R.E.A.

012

t, TIME (ms)

Fig. 4 Pulse Waveform

1000 10000

3

P4SMAJ SERIES 2 of 5 © 2002 Won-Top Electronics