tisp4a270h3bj Bourns, Inc., tisp4a270h3bj Datasheet - Page 2

• Manufacturer Part Number: tisp4a270h3bj
• Description: Lcas R Line Protector
• Manufacturer: Bourns, Inc.

These devices allow signal voltages up to the maximum off-state voltage value, V
not exceed the breakover voltage, V
condition, which diverts the current from the overvoltage though the device. When the diverted current falls below the holding current, I
the devices switches off and restores normal system operation.
The TISP4A270H3BJ is guaranteed to voltage limit and withstand the listed international lightning surges in both polarities. This high current
protection device is in a plastic SMB package (JEDEC DO-214AA) and supplied in embossed tape reel pack.
Description (Continued)
Absolute Maximum Ratings, T A = 25 °C (Unless Otherwise Noted)
Overload Ratings, T A = 25 °C (Unless Otherwise Noted)
Maximum overload on-state current without open circuit, 50 Hz/60 Hz a.c. (see Note 5)
0.03 s
0.07 s
1.6 s
5.0 s
1000 s
NOTE
Repetitive peak off-state voltage, (see Note 1)
Non-repetitive peak on-state pulse current (see Notes 2 and 3)
Non-repetitive peak on-state current (see Notes 2, 3 and 4)
Initial rate of rise of on-state current, Exponential current ramp, Maximum ramp value < 200 A
Junction temperature
Storage temperature range
NOTES: 1. See Figure 7 for voltage values at intermediate temperatures.
a
TISP4A270H3BJ LCAS R
2/10 (GR-1089-CORE, 2/10 voltage wave shape)
5/310 (ITU-T K.44, 10/700 µs voltage wave shape used in K.20/45/21)
10/1000 (GR-1089-CORE, 10/1000 voltage wave shape)
20 ms (50 Hz) full sine wave
16.7 ms (60 Hz) full sine wave
1000 s 50 Hz/60 Hz a.c.
5: Peak overload on-state current during a.c. power cross tests of GR-1089-CORE and UL 1950/60950. These electrical stress
2. Initially, the TISP4A270H3BJ must be in thermal equilibrium with T
3. The surge may be repeated after the TISP4A270H3BJ returns to its initial conditions.
4. EIA/JESD51-2 environment and EIA/JESD51-3 PCB with standard footprint dimensions connected with 5 A rated printed wiring
track widths. See Figure 6 for the current ratings at other durations. Derate current values at -0.61 % /°C for ambient
temperatures above 25 °C.
levels may damage the TISP4A270H3BJ silicon chip. After test, the pass criterion is either that the device is functional or, if it is
faulty, that it has a short circuit fault mode. In the short circuit fault mode, the following equipment is protected as the device is a
permanent short across the line. The equipment would be unprotected if an open circuit fault mode developed.
(BO)
, level. If sufficient current flows due to the overvoltage, the device switches into a low-voltage on-state
Rating
Rating
LINE
Protector
Customers should verify actual device performance in their specific applications.
J
DRM
= 25 °C.
T
T
, see Figure 1. Voltages above V
A
A
= -40 °C
= 25 °C
Symbol
Symbol
Specifications are subject to change without notice.
I
I
di
V
T(OV)M
PPSM
I
T
TSM
DRM
T
T
stg
/dt
J
APRIL 2002 - REVISED FEBRUARY 2005
DRM
-40 to +150
-65 to +150
+160/-222
148/-206
Value
Value
are clipped and will
100
500
150
400
2.2
2.2
55
60
60
40
8
7
A rms
Unit
Unit
A/µs
H
°C
°C
, level
A
A
V