Extended

Voltage

Range

1.0 (25.4)

MIN.

1.0 (25.4)

MIN.

0.375 (9.5)

0.285 (7.2)

0.210 (5.3)

0.190 (4.8)

DIA.

0.042 (1.07)

0.038 (0.96)

DIA.

Devices for Bidirectional Applications

For bi-directional, use C or CA suffix for types 1.5KE6.8 thru types 1.5KE440

(e.g. 1.5KE6.8C, 1.5KE440CA). Electrical characteristics apply in both directions.

Parameter

Symbol

Limit

Unit

Peak power dissipation with a 10/1000µs waveform

1500

W

Peak pulse current wih a 10/1000µs waveform

(1)

See Next Table

A

Steady state power dissipation

6.5

W

Peak forward surge current, 8.3ms

200

A

Maximum instantaneous forward voltage

3.5/5.0

V

Typical thermal resistance junction-to-lead

20

°C/W

Typical thermal resistance junction-to-ambient

75

°C/W

Operating junction and storage temperature range

–55 to +175

O

C

(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5

(3) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum

Dimensions in inches

and (millimeters)

Case Style 1.5KE

Peak Pulse Power 1500W

Features

• Underwriters Laboratory Recognition under UL standard

for safety 497B: Isolated Loop Circuit Protection

• Glass passivated junction

• 1500W peak pulse power capabililty on 10/1000µs

waveform, repetition rate (duty cycle): 0.05%

• Excellent clamping capability

• Low incremental surge resistance

• Very fast response time

• Includes 1N6267 thru 1N6303A

Mechanical Data

Case: Molded plastic body over passivated junction

Terminals: Plated axial leads, solderable per

MIL-STD-750, Method 2026

High temperature soldering guaranteed: 265°C/10 seconds,

0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension

Polarity: For unidirectional types the color band denotes

the cathode, which is positive with respect to the anode

under normal TVS operation

Mounting Position: Any

Weight: 0.045 oz., 1.2 g

Flammability: Epoxy is rated UL 94V-0

Packaging Codes – Options (Antistatic):

51 – 1K per Bulk box, 10K/carton

54 – 1.4K per 13" paper Reel

(52mm horiz. tape), 4.2K/carton

73 – 1K per horiz. tape & Ammo box, 10K/carton

1.5KE Series and 1N6267 thru 1N6303A

Vishay Semiconductors

formerly General Semiconductor

Document Number 88301

www.vishay.com

30-Oct-02

1