Details, datasheet, quote on part number: TISP61512P
PartTISP61512P
CategoryDiscrete => Thyristors => Surge Protectors => Dual Programmable Thyristor Surge Protector
TitleDual Programmable Thyristor Surge Protector
DescriptionDual Programmable Thyristor Surge Protector
CompanyPower Innovations
DatasheetDownload TISP61512P datasheet
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Features, Applications

TISP61511D, TISP61512P DUAL FORWARD-CONDUCTING P-GATE THYRISTORS PROGRAMMABLE OVERVOLTAGE PROTECTORS

Dual Voltage-Programmable Protectors. Wide -80 V Programming Range Low 5 mA max. Triggering Current High 150 mA min. Holding Current Rated for International Surge Wave Shapes

- No internal connection Terminal typical application names shown in parenthesis

Device Type MGSS150-2 8-pin Plastic DIP TISP61512P 8-pin Small-Outline Package Type Functional Replacement TISP61511D or order as TISP61511DR for Taped and Reeled

- No internal connection Terminal typical application names shown in parenthesis
Description

The TISP61511D and TISP61512P are dual forward-conducting buffered p-gate overvoltage protectors. They are designed to protect monolithic Subscriber Line Interface Circuits, SLICs, against overvoltages on the telephone line caused by lightning, ac power contact and induction. The TISP61511D and TISP61512P limit voltages that exceed the SLIC supply rail voltage. The SLIC line driver section is typically powered from 0 V (ground) and a negative voltage in the region -70 V. The protector gate is connected to this negative supply. This references the protection (clipping) voltage to the negative supply voltage. As the protection voltage will track the negative supply voltage the overvoltage stress on the SLIC is minimized.

Terminals K1, K2 and A correspond to the alternative line designators T, R and A, B and C. The negative protection voltage is controlled by the voltage, VGG, applied to the G terminal.

Positive overvoltages are clipped to ground by diode forward conduction. Negative overvoltages are initially clipped close to the SLIC negative supply rail value. If sufficient current is available from the overvoltage, then the protector will crowbar into a low voltage on-state condition. As the current subsides the high holding current of the crowbar prevents d.c. latchup. These monolithic protection devices are fabricated in ion-implanted planar vertical power structures for high reliability and in normal system operation they are virtually transparent. The buffered gate design reduces the loading on the SLIC supply during overvoltages caused by power cross and induction.

JULY 1995 REVISED JUNE 2003 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

Rating Repetitive peak off-state voltage, VGK 85 C Repetitive peak gate-cathode voltage, VKA 85 C Non-repetitive peak on-state pulse current (see Notes 1 and 2/10 s Non-repetitive peak on-state curr ent, 50 Hz (see Notes 1 and 2) full-sine-wave, ms 1s Non-repetitive peak gate current, half-sine-wave, 10 ms (see Notes 1 and 2) Junction temperatur e Storage temperature range IGSM TJ Tstg ITSM = 25 C, 85 C ITSP A Symbol VDRM VGKRM Value -100 -85 Unit V

NOTES: 1. Initially the protector must be in thermal equilibrium with TJ 85 C. The surge may be repeated after the device returns to its initial conditions. See the applications section for the details of the impulse generators. 2. The rated current values may be applied either to the Ring to Ground or to the Tip to Ground terminal pairs. Additionally, both terminal pairs may have their rated current values applied simultaneously (in this case the Ground terminal current will be twice the rated current value of an individual terminal pair). Above 85 C, derate linearly to zero 150 C lead temperature.

Parameter ID V(BO) VGK(BO) Off-state current Breakover voltage Gate-cathode voltage at breakover On-state voltage Forward voltage Peak forward recovery voltage -85 V, VGK = 0 Test Conditions 70 C Min Typ Max Unit A V

A, 10/1000 s, 1 kV, 33 , di/dt(i) = 8 A/s (see Note A, 10/700 s, 1.5 kV, RS= 10 , di/dt (i) = 14 A/s (see Note A, 1.2/50 s, 1.5 kV, RS= 10 , di/dt (i) = 70 A/s (see Note A, 2/10 s, 2.5 kV, RS= 61 , di/dt (i) = 40 A/s (see Note A, 10/1000 s, 1 kV, 33 , di/dt(i) = 8 A/s (see Note A, 10/700 s, 1.5 kV, RS= 10 , di/dt (i) = 14 A/s (see Note A, 1.2/50 s, 1.5 kV, RS= 10 , di/dt (i) = 70 A/s (see Note A, 2/10 s, 2.5 kV, RS= 61 , di/dt (i) = 40 A/s (see Note 3)

3: All tests have 220 nF and VGG RS is the current limiting resistor between the output of the impulse generator and the or T terminal. See the applications section for the details of the impulse generators.

Electrical Characteristics, 25 C (Unless Otherwise Noted) (Continued)

Parameter IH IGAS IGT VGT CAK Holding current Gate reverse current Gate trigger current Gate trigger voltage Anode-cathode offstate capacitance Test Conditions 1 A, di/dt = -1A /ms, VGG -48 V VGG V, K and A terminals connected A, t p(g) 20 s, VGG A, t p(g) 20 s, VGG = -48 MHz, = 0, (see Note 70C 0.2 Min Typ Max Unit V pF

4: These capacitance measurements employ a three terminal capacitance bridge incorporating a guard circuit. The unmeasured device terminals are a.c. connected to the guard terminal of the bridge.

Parameter RJA Junctio n to free air thermal resistance Test Conditions Ptot 5 cm

 

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