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T
hyrisTors
Table of Contents
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Thermal Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solderability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Surge Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Device Part Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Order and Packing Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rating and Characteristic Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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World Products, LLC, specializing in protection components for telecommunication and AC and DC circuits, is proud to
feature World Products complete line of Thyristors.
The main features of these Thyristors are:
•
•
•
•
Bidirectional transient voltage protection.
Nanosecond clamping response.
No performance degradation under service life.
Glass passivated junction.
Providing the following benefits:
•
•
•
•
A range of voltage protection levels.
Primary or secondary protection levels.
Highest level of quality and reliability.
Low cost auto-assembly.
World Products, LLC
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Rev. 3.1 (11.23.10)
Thyristors | 1
T
hyrisTors
Definitions
I
PPS
I
TSM
I
T
I
BO
I
H
I
BR
I
DRM
+I
-V
V
T
V
DRM
V
BO
V
BR
+V
-I
Symbol
Characteristic
Value
V
BO
V
BR
I
BO
I
H
I
T
V
T
V
DRM
I
DRM
I
PPS
I
TSM
di/dt
dv/dt
Max Breakover
Voltage
Min Breakover Voltage
Breakover Current
Holding Current
On-state Current
On-state Voltage
Rated Repetitive Peak
Off-state Voltage
Repetitive Peak Off-
state Current
Non-Repetitive Peak
Pulse Current
Non-Repetitive Surge
Peak On-state Current
Critical Rate of Rise of
On-state Current.
Critical Rate of Rise of
Off-state Voltage.
The maximum voltage across the device in or at breakdown measured
under a specified voltage and current rate of rise.
The minimum voltage at which the device switch-on begins and
significant current flows.
The instantaneous current flowing at the breakover voltage. (V
BO
)
The minimum current required to maintain the device in the on-state.
The current through the device in the on-state condition.
The voltage across the device in the on-state condition at a specified
current. (I
T
)
Rated maximum (peak) continuous voltage that may be applied in the
off-state condition.
The maximum (peak) value of the current that results from the application
of (V
DRM
)
Rated maximum value of peak impulse current of specified amplitude and
waveshape that may be applied without damage to the device under test.
Rated maximum value of AC current, at a given frequency, which may be
applied for specified time or number of cycles.
Rated value of the rate of rise of current that the device can withstand
without damage.
The maximum rate of rise of voltage (below V
DRM
) that will not cause
switching from the off-state to the on-state
World Products, LLC
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
2 | Thyristors
Rev. 3.1 (11.23.10)
T
hyrisTors
Features
•
•
•
•
•
Protects by Limiting voltages and shunting surge currents away from sensitive circuits.
Designed for telecommunications applications such as line cards, modems, PBX, FAX, LAN, VHDSL.
Helps meet standards such as GR1089, ITU K.20, IEC950, UL1459&50, FCC part 68.
Low capacitance, High surge (C, D, E rating available), precise voltage limiting, Long life.
RoHS compliant with Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on
the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS Directive)
and comply to a maximum concentration value of 0.1% by weight in homogeneous materials for lead (Pb), mercury,
hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE) and of 0.01%
weight in homogeneous materials for cadmium.
Selection Guide
Follow these steps to select the proper Thyristor surge protector for your application:
1. Define the operating parameters for the circuit:
• Ambient operating temperature range
• Maximum telephone line operating current (highest battery and shortest copper loop)
• Maximum operating voltage: (Maximum DC bias + peak ringing voltage)
• Maximum surge current
• System voltage damage threshold
2. Select device with an off-state voltage rating (V
DRM
) above the maximum operating voltage at the minimum
operating temperature.
3. Select surge current ratings (I
PPS
and I
TSM
) > those which the application must withstand
4. Verify that the minimum holding current of the device at the maximum ambient temperature is above the
maximum DC current of the system.
5. Verify that the maximum breakover voltage of the device is below the system damage threshold.
6. Verify that the circuit’s ambient operating temperatures are within the device’s operating temperature range.
7. Verify that the device’s dimensions fit the application’s space considerations.
8. Independently evaluate and test the suitability and performance of the device in the application.
World Products, LLC
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Rev. 3.1 (11.23.10)
Thyristors | 3
Power technology
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