1.5SMC7.5CAT - Littelfuse, Inc.

Silicon Avalanche Diodes

278 www.littelfuse.com

1500W Surface Mount Transient Voltage Supressors

1.5SMC Series

FEATURES

• RoHS compliant

• For surface mounted applications in order to optimize

board space

• Low profile package

•Built-in strain relief

•Glass passivated junction

•Low Inductance

•Excellent clamping capability

•Repetition Rate (duty cycle):0.05%

•Fast response time: typically less than 1.0ps from 0 Volts to

BV min.

• Typical IR less than 1µA above 10V

•High temperature soldering: 250˚C/10 seconds at terminals

DEVICES FOR BIPOLAR APPLICATION

For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types

1.5SMC550CA

Electrical characteristics apply in both directions

MAXIMUM RATINGS AND CHARACTERISTICS

@25˚C AMBIENT TEMPERATURE (unless otherwise noted)

PARAMETER

Peak pulse power Dissipation on

10/1000µs waveform (Note 1.2,FIG.1)

Peak pulse current of on 10/1000µs

waveform (Note 1, FIG.3)

Peak Forward Surge Current,

8.3ms Single Half Sine-Wave

Superimposed on Rated Load,

(JEDEC Method)(Note3)

Operating junction and Storage

Temperature Range

VALUE

Min

1500

See Table 1

200

-55 to +150

UNIT

Watts

Amps

°C

Notes:

1. Non-repetitive current pulse, per Fig.3 and derated above

TA= 25˚C per Fig.2

2. Mounted on 8.0mm2 Copper Pads to each terminal

3. 8.3ms single half sine-wave, or equivalent square wave,

Duty cycle = 4 pulses per minutes maximum

SYMBOL

PPPM

IPPM

IFSM

Tj, TsTG

Mechanical Specifications:

Weight: 0.007 ounce, 0.21 gram

Case: JEDEC DO214AB. Molded plastic over

glass passivated junction

Mounting Position: Any

Polarity: Color band denoted positive end

(cathode) except Bidirectional

Terminal: Solder plated, solderable per MIL-STD-

750, Method 2026

Standard Packaging: 16mm tape (EIA STD RS-481)

1.5SMC CA

Voltage

Bi-Directional

5% Voltage To lerance

T = Tape and reeled (3000 pcs)

ORDERING INFORMATION

Agency Approvals: Recognized under the Components Program

of Underwriters Laboratories.

Agency File Number: E128667

RoHS

Silicon Avalanche Diodes

279

www.littelfuse.com

SILICON DIODE

ARRAYS

1500W Surface Mount Transient Voltage Supressors

1.5SMC Series

RoHS

Part

Number

(Uni)

Part

Number

(Bi)

Device Marking

Code Breakdown

Voltage

VBR (Volts) @ IT

Maximum

Reverse

Leakage

IR@ VR

(µA)

Maximum

Clamping

Voltage

VC@ IPP

(Volts)

Maximum

Peak Pulse

Current

IPP

(A)

ELECTRICAL SPECIFICATION @ Tamb 25°C

1.5SMC6.8A 1.5SMC6.8CA 6V8A 6V8C 5.80 6.45 7.14 10 10.5 144.8 1000

1.5SMC7.5A 1.5SMC7.5CA 7V5A 7V5C 6.40 7.13 7.88 10 11.3 134.5 500

1.5SMC8.2A 1.5SMC8.2CA 8V2A 8V2C 7.02 7.79 8.61 10 12.1 125.6 200

1.5SMC9.1A 1.5SMC9.1CA 9V1A 9V1C 7.78 8.65 9.50 1 13.4 113.4 50

1.5SMC10A 1.5SMC10CA 10A 10C 8.55 9.50 10.50 1 14.5 104.8 10

1.5SMC11A 1.5SMC11CA 11A 11C 9.40 10.50 11.60 1 15.6 97.4 5

1.5SMC12A 1.5SMC12CA 12A 12C 10.20 11.40 12.60 1 16.7 91.0 5

1.5SMC13A 1.5SMC13CA 13A 13C 11.10 12.40 13.70 1 18.2 83.5 5

1.5SMC15A 1.5SMC15CA 15A 15C 12.80 14.30 15.80 1 21.2 71.7 5

1.5SMC16A 1.5SMC16CA 16A 16C 13.60 15.20 16.80 1 22.5 67.6 5

1.5SMC18A 1.5SMC18CA 18A 18C 15.30 17.10 18.90 1 25.2 60.3 5

1.5SMC20A 1.5SMC20CA 20A 20C 17.10 19.00 21.00 1 27.7 54.9 5

1.5SMC22A 1.5SMC22CA 22A 22C 18.80 20.90 23.10 1 30.6 49.7 5

1.5SMC24A 1.5SMC24CA 24A 24C 20.50 22.80 25.20 1 33.2 45.8 5

1.5SMC27A 1.5SMC27CA 27A 27C 23.10 25.70 28.40 1 37.5 40.5 5

1.5SMC30A 1.5SMC30CA 30A 30C 25.60 28.50 31.50 1 41.4 36.7 5

1.5SMC33A 1.5SMC33CA 33A 33C 28.20 31.40 34.70 1 45.7 33.3 5

1.5SMC36A 1.5SMC36CA 36A 36C 30.80 34.20 37.80 1 49.9 30.5 5

1.5SMC39A 1.5SMC39CA 39A 39C 33.30 37.10 41.00 1 53.9 28.2 5

1.5SMC43A 1.5SMC43CA 43A 43C 36.80 40.90 45.20 1 59.3 25.6 5

1.5SMC47A 1.5SMC47CA 47A 47C 40.20 44.70 49.40 1 64.8 23.5 5

1.5SMC51A 1.5SMC51CA 51A 51C 43.60 48.50 53.60 1 70.1 21.7 5

1.5SMC56A 1.5SMC56CA 56A 56C 47.80 53.20 58.80 1 77.0 19.7 5

1.5SMC62A 1.5SMC62CA 62A 62C 53.00 58.90 65.10 1 85.0 17.9 5

1.5SMC68A 1.5SMC68CA 68A 68C 58.10 64.60 71.40 1 92.0 16.5 5

1.5SMC75A 1.5SMC75CA 75A 75C 64.10 71.30 78.80 1 103.0 14.8 5

1.5SMC82A 1.5SMC82CA 82A 82C 70.10 77.90 86.10 1 113.0 13.5 5

1.5SMC91A 1.5SMC91CA 91A 91C 77.80 86.50 95.50 1 125.0 12.2 5

1.5SMC100A 1.5SMC100CA 68A 100C 85.50 95.00 105.00 1 137.0 11.1 5

1.5SMC110A 1.5SMC110CA 75A 110C 94.00 105.00 116.00 1 152.0 10.0 5

1.5SMC120A 1.5SMC120CA 120A 120C 102.00 114.00 126.00 1 165.0 9.2 5

1.5SMC130A 1.5SMC130CA 130A 130C 111.00 124.00 137.00 1 179.0 8.5 5

1.5SMC150A 1.5SMC150CA 150A 150C 128.00 143.00 158.00 1 207.0 7.3 5

1.5SMC160A 1.5SMC160CA 160A 160C 136.00 152.00 168.00 1 219.0 6.9 5

1.5SMC170A 1.5SMC170CA 170A 170C 145.00 162.00 179.00 1 234.0 6.5 5

1.5SMC180A 1.5SMC180CA 180A 180C 154.00 171.00 189.00 1 246.0 6.2 5

1.5SMC200A 1.5SMC200CA 200A 200C 171.00 190.00 210.00 1 274.0 5.5 5

1.5SMC220A 1.5SMC220CA 220A 220C 185.00 209.00 231.00 1 328.0 4.6 5

1.5SMC250A 1.5SMC250CA 250A 250C 214.00 237.00 263.00 1 344.0 4.4 5

1.5SMC300A 1.5SMC300CA 300A 300C 256.00 285.00 315.00 1 414.0 3.7 5

1.5SMC350A 1.5SMC350CA 350A 350C 300.00 332.00 368.00 1 482.0 3.2 5

1.5SMC400A 1.5SMC400CA 400A 400C 342.00 380.00 420.00 1 548.0 2.8 5

1.5SMC440A 1.5SMC440CA 440A 440C 376.00 418.00 462.00 1 602.0 2.5 5

1.5SMC480A 1.5SMC480CA 480A 480C 408.00 456.00 504.00 1 658.0 2.3 5

1.5SMC510A 1.5SMC510CA 510A 510C 434.00 485.00 535.00 1 698.0 2.1 5

1.5SMC530A 1.5SMC530CA 530A 530C 477.00 503.50 556.50 1 725.0 2.1 5

1.5SMC540A 1.5SMC540CA 540A 540C 459.00 513.00 567.00 1 740.0 2.0 5

1.5SMC550A 1.5SMC550CA 550A 550C 495.00 522.50 577.50 1 760.0 2.0 5

Reverse

Stand off

Voltage

(Volts)

UNI BI MIN MAX

For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.

The avaliable parts are "A" type only, the parts without A (VBR is ± 10%) is not avaliable.

Test

Current

IT(mA)

Silicon Avalanche Diodes

280 www.littelfuse.com

1500W Surface Mount Transient Voltage Supressors

Fig. 1 Peak Pulse Power Rating

Fig. 3 Pulse Waveform

Fig. 5- Typ. Transient Thermal Impedance Fig. 6- Maximum Non-Repetitive

Fig. 4- Typical Junction Capacitance

Fig. 2 Pulse Derating Curve

td- Pulse Width (sec.) TA- Ambient Temperature (˚C)

PPPM- Peak Pulse Power (KW)

IPPM- Peak Pulse Current, % I RSM

Transient Thermal Impedance

(˚C/W)

Peak Forward Surge Current (A) CJ-Junction Capacitance (pF) Peak Pulse Power (PPP) or Current (IPP)

Derating in Percentage, %

0.1µs 1.0µs 10µs 100µs 1.0ms 10ms

0.1

100

0.31x0.31"(8.0x8.0mm)

Copper Pad Areas

0.1

1.0

100

150

1.0 2.0 3.0 4.0

0.001 0.01 0.1 110 100 1000 1

100

200

20000

10000

1000

100

1.0 10 100 200

10 100

025

100

125 150 175 200

tp- Pulse Duration(sec) Number of Cycles at 60Hz

VWM-Reverse Stand-Off Voltage (V)

Forward Surge Current

Uni-Directional Use Only

tr=10µsec

Peak Value

IPPM

Half 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

8.3 Single Half Sine-Wave

(JEDEC Method)

TJ=TJ max.

Measured at

Zero Bias

Uni-Directional

Bi-Directional

TJ=25˚C

f=1.0MHZ

Vsig=50mVp-p

VR, Measured at

Stand-Off

Voltage, VWM

Ratings and Characteristic Curves TA=25˚C unless otherwise noted

1.5SMC Series

RoHS

Silicon Avalanche Diodes

281

www.littelfuse.com

SILICON DIODE

ARRAYS

1500W Surface Mount Transient Voltage Supressors

1.5SMC Series

RoHS

DO-214AB (SMC J-Bend)

0.280 (7.11)

0.260(6.60)

0.2.45 (6.22)

0.220 (5.59)

0.125 (3.20)

0.114 (2.90)

0.012 (0.305)

0.006 (0.152)

0.060 (1.52)

0.030 (0.76) 0.320 (8.13)

0.305 (7.75)

0.103 (2.62)

0.079 (2.06)

0.008 (0.203) MAX

Dimensions in inches and (millimeters)

Cathode Band

Package Outline Dimensions and Pad Layouts