1N5646 datasheet(3/4 Pages) MICROSEMI

3 / 4 page

1500 WATT UNIDIRECTIONAL

TRANSIENT VOLTAGE SUPPRESSOR

100

1.0

0.1Kw

Microsemi

Scottsdale Division

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

Page 3

 2002

11-06-2003 REV A

SCOTTSD A L E DIVISION

1N5629 thru 1N5665A

Breakdown

Voltage

V(BR) @ I(BR)

Min.

Max.

Min.

Max.

Breakdown

Current

Breakdown

Current

I(BR)

Rated

Standoff

Voltage

Rated

Standoff

Voltage

VWM

Maximum

Standby

Current

Standby

Current

ID @ VWM

Maximum

Clamping

Voltage

Maximum

Clamping

Voltage

VC @ IPP

Maximum

Peak

Pulse

Current

Maximum

Peak

Pulse

Current

IPP

Maximum

Temperature

Maximum

Temperature

Coefficient of V(BR)

αV(BR)

Coefficient of V

(BR) @ I(BR)

(BR)

D @ VWM

C @ I

(BR)

αV(BR)

JEDEC

Type

No.*

µA

1N5661

1N5661A

1N5662

1N5662A

135

143

144

152

165

158

176

168

121

128

130

136

215

207

230

219

7.0

7.2

6.5

6.8

.108

1N5663

1N5663A

1N5664

1N5664A

153

162

171

187

179

198

189

138

145

146

154

244

234

258

246

6.2

6.4

5.8

6.1

.108

1N5665

1N5665A

180

190

220

210

162

171

287

274

5.2

5.5

.108

* No suffix = 10% tolerance, suffix A = 5% tolerance. Suffix A also available in military qualified types with a JAN, JANTX, or JANTXV prefix.

NOTES: V(BR) is measured after I(BR) has been applied for < 300ms.

Forward voltage

VF at 100 amps peak 8.3 ms is 3.5 volts max.

SYMBOLS & DEFINITIONS

Symbol

Definition

VWM

Standoff Voltage: Applied Reverse Voltage to assure a nonconductive condition. (See Note 1.)

V(BR)

Breakdown Voltage: This is the Breakdown Voltage the device will exhibit at 25

Maximum Clamping Voltage: The maximum peak voltage appearing across the TVS when subjected to the

peak pulse current in a one millisecond time interval. The peak pulse voltage is the combination of voltage rise

due to both the series resistance and thermal rise and positive temperature coefficient (αV(BR))

IPP

Peak Pulse Current: The peak current during the impulse (See Figure 2)

PPP

Peak Pulse Power: The pulse power as determined by the product of VC and IPP

Standby Current: The current at the standoff voltage (VWM)

I(BR)

Breakdown Current: The current used for measuring Breakdown Voltage (V(BR))

NOTE 1: A TVS is normally selected according to the rated “Standoff Voltage” VWM that should be equal to or greater than the dc or

continuous peak operating voltage level.

GRAPHS

100ns

µs

100

µs

1ms

10ms

Square-wave pulse

Exponential wave-form

(See FIG. 2)

Peak Value

IPP

Pulse time duration (tp) is

defined as that point where

IP decays to 50% of peak

value (IPP).

time (t) in milliseconds

Pulse Time (tp)

FIG. 2 Pulse wave form for exponential surge

FIG. 1 – Non-repetive peak pulse power rating curve

NOTE: Peak power defined as peak voltage times peak current

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