SMCJ8.5A datasheet, PDF - EEWORLD Datasheet

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SMCJ8.5A: Description1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AB; CategoryDiscrete semiconductor diode; File Size262KB，5 Pages; ManufacturerTaiwan Semiconductor; Websitehttp://www.taiwansemi.com/; Environmental Compliance

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SMCJ8.5A Overview

1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AB

SMCJ8.5A Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Taiwan Semiconductor
package instruction	R-PDSO-C2
Reach Compliance Code	not_compliant
ECCN code	EAR99
Other features	UL RECOGNIZED
Maximum breakdown voltage	10.4 V
Minimum breakdown voltage	9.44 V
Breakdown voltage nominal value	9.92 V
Maximum clamping voltage	14.4 V
Configuration	SINGLE
Diode component materials	SILICON
Diode type	TRANS VOLTAGE SUPPRESSOR DIODE
JEDEC-95 code	DO-214AB
JESD-30 code	R-PDSO-C2
JESD-609 code	e3
Humidity sensitivity level	1
Maximum non-repetitive peak reverse power dissipation	1500 W
Number of components	1
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-55 °C
Package body material	PLASTIC/EPOXY
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
polarity	UNIDIRECTIONAL
Maximum power dissipation	5 W
Certification status	Not Qualified
Maximum repetitive peak reverse voltage	8.5 V
surface mount	YES
technology	AVALANCHE
Terminal surface	Matte Tin (Sn)
Terminal form	C BEND
Terminal location	DUAL
Maximum time at peak reflow temperature	30

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SMCJ SERIES

1500 Watts Surface Mount

Transient Voltage Suppressor

SMC/DO-214AB

.126(3.20)

.114(2.90)

.245(6.22)

.220(5.59)

Features

For surface mounted application

Low profile package

Built-in strain relief

Glass passivated junction

Excellent clamping capability

Fast response time: Typically less than 1.0ps

from 0 volt to BV min.

Typical I

less than 1μA above 10V

High temperature soldering guaranteed:

260

C / 10 seconds at terminals

Plastic material used carries Underwriters

Laboratory Flammability Classification 94V-0

1500 watts peak pulse power capability wit

h a 10

X 1000 us waveform by 0.01% duty cycle

.280(7.11)

.260(6.60)

.012(.31)

.006(.15)

.103(2.62)

.079(2.00)

.061(1.56)

.050(1.26)

.008(.20)

.004(.10)

.320(8.13)

.305(7.75)

.063(1.6)

.039(1.0)

Dimensions in inches and (millimeters)

Mechanical Data

Case: Molded plastic

Terminals: Pure tin plated lead free.

Polarity: Indicated by cathode band

Standard packaging: 16mm tape (EIA STD

RS-481)

Weight: 0.21gram

Maximum Ratings and Electrical Characteristics

Rating at 25

C ambient temperature unless otherwise specified.

Type Number

eak

ower

issipation at

=25 C, Tp=1ms (

ote 1)

Steady State Power Dissipation

Peak Forward Surge Current, 8.3 ms Single Half

Sine-wave Superimposed on Rated Load

(JEDEC method) (Note 2, 3) - Unidirectional Only

Maximum Instantaneous Forward Voltage at 100.0A for

Unidirectional Only (Note 4)

Symbol

FSM

Value

Minimum 1500

200

3.5 / 5.0

Units

Watts

Amps

Volts

Operating and Storage Temperature Range

, T

STG

-55 to + 150

Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above T

=25 C Per Fig. 2.

2. Mounted on 8.0mm

(.013mm Thick) Copper Pads to Each Terminal.

3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minute Maximum.

4. V

=3.5V on SMCJ5.0 thru SMCJ90 Devices and V

=5.0V on SMCJ100 thru SMCJ170 Devices.

Devices for Bipolar Applications

1. For Bidrectional Use C or CA Suffix for Types SMCJ5.0 through Types SMCJ170.

2. Electrical Characteristics Apply in Both Directions.

- 546 -

Version: B07

TVS APPLICATION NOTES:

Transient Voltage Suppressors may be used at various points in a circuit to provide various degrees of

protection. The following is a typical linear power supply with transient voltage suppressor units placed at

different points. All provide protection of the load.

FIGURE 1

Transient Voltage Suppressors 1 provides maximum protection. However, the system will probably require

replacement of the line fuse(F) since it provides a dominant portion of the series impedance when a surge is

encountered.

However, we do not recommend to use the TVS diode here, unless we can know the electric circuit

impedance and the magnitude of surge rushed into the circuit. Otherwise the TVS diode is easy to be

destroyed by voltage surge.

Transient Voltage Suppressor 2 provides execllent protection of circuitry excluding the transformer(T).

However, since the transformer is a large part of the series impedance, the chance of the line fuse opening

during the surge condition is reduced.

Dimensions in inches and (millimeters)

Transient Voltage Suppressor 3 provides the load with complete protection. It uses a unidirectional

Transient Voltage Suppressor, which is a cost advantage. The series impedance now includes the line fuse,

transformer, and bridge rectifier(B) so failure of the line fuse is further reduced. If only Transient Voltage

Suppressor 3 is in use, then the bridge rectifier is unprotected and would require a higher voltage and current

rating to prevent failure by transients.

Any combination of these three, or any one of these applications, will prevent damage to the load. This would

require varying trade-offs in power supply protection versus maintenance(changing the time fuse).

An additional method is to utilize the Transient Voltage Suppressor units as a controlled avalanche bridge.

This reduces the parts count and incorporates the protection within the bridge rectifier.

FIGURE 2

RECOMMENDED PAD SIZES

The pad dimensions should be 0.010"(0.25mm) longer than the contact size, in the lead axis.

This allows a solder fillet to form, see figure below. Contact factory for soldering methods.

- 550 -

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