Datasheet > SMAJ78

SMAJ78

更新时间： 2024-11-06 04:31:47

品牌	Logo	应用领域
UNIOHM		二极管
页数	文件大小	规格书
4页	342K
描述
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS

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SMAJ78 数据手册

SMAJ SERIES

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS

VOLTAGE RANGE

5.0 to 170 Volts

FEATURES

* For surface mount application

400 Watts Peak Power

* Built-in strain relief

* Excellent clamping capability

DO-214AC(SMA)

* Low profile package

* Fast response time: Typically less than

1.0ps from 0 volt to BV min.

.058(1.47)

.052(1.32)

.110(2.79)

* Typical IR less than 1 A above 10V

* High temperature soldering guaranteed:

260 C / 10 seconds at terminals

.100(2.54)

.177(4.50)

.157(3.99)

.012(0.31)

.006(0.15)

MECHANICAL DATA

* Case: Molded plastic

.090(2.29)

.078(1.98)

* Epoxy: UL 94V-0 rate flame retardant

* Lead: Solderable per MIL-STD-202,

method 208 guranteed

.005

(.127)

.060(1.52)

.030(0.76)

MAX.

.208(5.28)

.194(4.93)

* Polarity: Color band denotes cathode end except Bidirectional

* Mounting position: Any

Weight: 0.063 grams

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Rating 25 C ambient temperature uniess otherwies specified.

Single phase half wave, 60Hz, resistive or inductive load.

For capacitive load, derate current by 20%.

RATINGS

SYMBOL

VALUE

UNITS

Peak Power Dissipation at TA=25 C, TP=1ms(NOTE 1)

Peak Forward Surge Current at 8.3ms Single Half Sine-Wave

superimposed on rated load (JEDEC method) (NOTE 3)

PPK

Minimum 400

Watts

IFSM

Amps

Maximum Instantenous Forward Voltage at 25.0A for

Unidirectional only

3.5

Volts

Operating and Storage Temperature Range

TJ, TSTG

-55 to +150

NOTES:

1. Non-repetitive current pulse per Fig. 3 and derated above TA=25 C per Fig. 2.

2. Mounted on Copper Pad area of 5.0mm (.013mm Thick) to each terminal.

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

DEVICES FOR BIPOLAR APPLICATIONS

1. For Bidirectional use C or CA Suffix for types SMAJ5.0 thru SMAJ170.

2. Electrical characteristics apply in both directions.

12 3 4

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