TISP1072F3,TISP1082F3
DUAL FORWARD-CONDUCTING UNIDIRECTIONAL
THYRISTOR OVERVOLTAGE PROTECTORS
The TISP1xxxF3 series is
currently available, but not
recommended for new designs.
TISP1xxxF3 Overvoltage Protector Series
Ion-Implanted Breakdown Region
Precise and Stable Voltage
Low Voltage Overshoot under Surge
DEVICE
‘1072F3
‘1082F3
VDRM
V
- 58
- 66
Agency Recognition
Description
V(BO)
UL
V
- 72
- 82
File Number: E215609
D Package (Top View)
T
Planar Passivated Junctions
Low Off-State Current Vd, the capacitance value is independent on the value of Vd. The
capacitance is essentially constant over the range of normal telecommunication frequencies.
NORMALIZED CAPACITANCE
VS
RMS AC TEST VOLTAGE
1.05
AIXXAA
Normalized Capacitance
1.00
0.95
0.90
0.85
0.80
Normalized to Vd = 100 mV
0.75
0.70
DC Bias, VD = 0
1
10
100
Vd - RMS AC Test Voltage - mV
1000
Figure 20.
SEPTEMBER 1993 – REVISED JULY 2019
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
TISP1xxxF3 Overvoltage Protector Series
APPLICATIONS INFORMATION
Longitudinal Balance
Figure 21 shows a three terminal TISP® device with its equivalent “delta” capacitance. Each capacitance, CTG, CRG and CTR, is the true terminal
pair capacitance measured with a three terminal or guarded capacitance bridge. If wire R is biased at a larger potential than wire T, then
CTG > CRG. Capacitance CTG is equivalent to a capacitance of CRG in parallel with the capacitive difference of (CTG -CRG). The line capacitive
unbalance is due to (CTG -CRG) and the capacitance shunting the line is CTR +CRG/2.
All capacitance measurements in this data sheet are three terminal guarded to allow the designer to accurately assess capacitive unbalance
effects. Simple two terminal capacitance meters (unguarded third terminal) give false readings as the shunt capacitance via the third terminal
is included.
T
T
(CTG-CRG)
CTG
G
CRG
CTR
Equipment
G
CTR
CRG
CRG
R
R
CTG > CRG
Equipment
AIXXAB
Equivalent Unbalance
Figure 21.
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
Europe: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
SEPTEMBER 1993 – REVISED JULY 2019
“TISP” is a trademark of Bourns, Ltd., a Bourns Company, and is registered in the U.S. Patent and Trademark Office.
“Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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