ELECTRONIC COMPONENT SOLUTIONS
WORLD PRODUCTS INC.
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hermally
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V
arisTors
T
HERMALLY
P
ROTECTED
V
ARISTORS
AUTOMOTIVE
INDUSTRIAL
TELECOM
POWER SUPPLY
SURGE PROTECTION
World Products Inc.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Protection Products Catalog |
119
Rev. 8.5 (06.18.07)
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World Products Inc.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
120 |
Protection Products Catalog
Rev. 8.5 (06.18.07)
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Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Soldering Profule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Configuration Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25mm --- Standard Series, 3-Leaded, Fuse Located on Third Lead
.
14mm, 18mm --- B Series, 2-Leaded, No Monitor Lead
.
20mm --- B Series, 2-Leaded, No Monitor Lead
122
122
122
122
122
123
123
123
124
124
125
126
127
128
129
130
130
131
132
133
133
134
135
136
137
137
137
137
138
142
142
143
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14mm, 18mm, 20mm --- C Series, 3-Leaded, Fuse Located on Second Lead
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34mm --- C Series, 3-Leaded, Fuse Located on Second Lead
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Varistor Application Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.........................
14mm --- B Series, 2-Leaded, No Monitor Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18mm --- B Series, 2-Leaded, No Monitor Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20mm --- B Series, 2-Leaded, No Monitor Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14mm --- C Series, 3-Leaded, Fuse Located on Second Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18mm --- C Series, 3-Leaded, Fuse Located on Second Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20mm --- C Series, 3-Leaded, Fuse Located on Second Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . .
34mm --- C Series, 3-Leaded, Fuse Located on Second Lead --- E, High Energy Rating
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limited Current Test
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Current Per Pulse Vs. Pulse Duration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Derating Curve Power and Energy Vs. Temperature
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V-I Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Taping Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Bulk Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25mm --- Standard Series, 3-Leaded, Fuse Located on Third Lead --- D, Standard Energy Rating
.
World Products Inc.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Protection Products Catalog |
121
Rev. 8.5 (06.18.07)
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World Products Inc. TVZ series is a two or
three-leaded Thermally Protected Metal Oxide
Varistor.
One lead of the TVZ varistor is connected to a thermal fuse which is designed to open when the
varistor is under sustained abnormal over-voltage conditions. The TVZ series is designed to meet the
abnormal over-voltage requirements of UL 1449 3rd edition, Section 37.4.
Traditional Metal Oxide Varistors withstand 150% of its rated voltage for a given duration. But Metal
Oxide Varistors may fail to a short-circuit condition or fail to open when subjected to sustained
steady-state over-voltage above its rated specifications. TVZ has a thermal fuse integrated with an
MOV disk that responds to the MOV temperature and disconnects the MOV from the line, should the
temperature or voltage exceed a certain level.
World Products Inc. three-leaded device is designed to be connected, via the monitor lead, to an
indicator (such as an LED) to provide diagnostic features indicating if the MOV is disconnected from
the circuit in the event the fuse element opens.
As a result of the integration of the thermal fuse attached to the MOV disc, Thermally Fused
Varistors provide an instant response to unexpected over-voltage situations. Lower inductance is
another benefit of the inclusion of a thermal fuse, enhancing clamping performance to sudden over-
voltage transients. World Products Inc. Thermally Protected Varistors offer protection to sensitive
downstream electric components.
SINCERA
T25D271K
611
S
T2 IN
0E CE
B2 RA
71
K
61
1
A
ER 71K
1
NC 2
61
SI 8EC
T1
Features
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UL1449, UL1414 and cUL recognition or pending status.
Patented product (Patent #6636403).
Low Leakage Current under normal operating voltage.
UL1449 3rd edition abnormal over- voltage test (10A, 5A, 2.5A, 0.5A and 0.125A) recognition
pending.
Wave solderable.
High Surge Current Rating up to 40kA.
-55°C to 85°C Operating Temperature Range.
Three leaded versions available, with fuses located on either the third or second lead.
Compliance with Accelerated Aging Test Requirements per ANSI/IEEE C62.11 pending.
UL60691 recognition pending.
ISO and TS16949 certification.
Marking
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SINCERA brand name.
Part Marking representing the part number:
T25D271K is TVZ25D271KBS.
Date code first digit represents the year and
second and third digits represent the week of the
year. For example 611 date code is separated as
follows: 6 = 2006 and 11 = The 11th week of the
year. This date code system was implemented
from 9/15/05.
Approvals
14mm
UL and CUL 1449
Third Edition
File # E196885
UL and CUL 1449
Third Edition 37.4
File #E196885
UL and CUL1414
File # E71602
UL60691
File #E196885
Complies with
accelerated aging test
requirements ANSI/IEEE
C62.11
File #E196885
Pending
18mm
Pending
20mm
Pending
25mm
Pending
34mm
Pending
Applications
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Pending
Recognized
Pending
Recognized
Pending
Recognized
Pending
Recognized
Pending
Recognized
Pending
Pending
Pending
Pending
Pending
Transient Voltage Surge Suppressor (TVSS)
Products
AC Panel Protection Modules
AC Line Power Supplies
Surge Protected Strip
AC Power Meters
Uninterruptable Power Supply
White Goods
Inverters
DIN Rail
AC/DC Power Supplies
Pending
Pending
Pending
Pending
Pending
World Products Inc.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
122 |
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Rev. 8.5 (06.18.07)
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Ordering Information
TVZ 20
(1) (2)
(1)
(2)
E
(3)
B 241
(4) (5)
K B S N
(6) (7) (8) (9)
(7)
Packaging
B:
Bulk
For taped and lead configuration of taped parts, see
taping specifications for suffix codes.
Lead Configuration for Bulk Parts Only
S:
Straight (For varistor voltage <681K), and inline
crimped (for varistor voltage >681K)
L:
Inline crimped (For varistor voltage <681K)
N:
Varistor voltage >681 come standard with inline crimp
(see illustration below) for straight disc seating on PC
boards. If straight leads are required instead of inline
crimp please use code “N” in this position.
Thermal Fuse Metal Oxide Varistor
Diameter
14:
14mm
18:
18mm
20:
20mm
25:
25mm
34:
34mm
Energy Rating
D:
25mm Standard Energy Rating
E:
High Energy Rating
R:
34mm Standard Energy Rating
Fuse Location
Blank:
3-Leaded, Fuse Located on Third Lead
(Available in 25mm)
B:
2-Leaded, No Monitor Lead
(Available in 14mm, 18mm, 20mm)
C:
3-Leaded, Fuse Located on Second Lead
(Available in 14mm, 18mm, 20mm, 34mm)
Varistor Voltage/AC Voltage
Varistor Voltage for 14, 18, 20, & 25mm,
201
= 20 x 10
1
= 200VDC
AC Voltage for 34mm,
151
= 150VAC
Tolerance
K:
±10%
(8)
(3)
(4)
3mm max.
Inline Crimp
(9)
N:
RoHS Compliant -
UL1414/CUL recognized.
(5)
(6)
(10) Suffix for Custom Types
X33:
Alternative Design with 3mm Monitor Terminal (34mm
only) See Fuse Configuration & Dimensions for 34mm
for more information.
Absolute Maximum Ratings
Continuous RMS Current (Monitor Lead)
Typical Response Time
Insulation Resistance
Hi-Pot Encapsulation
Maximum Voltage-Temperature Coefficient
Operating Temperature Range
Storage Temperature Range
Isolation Capability (when thermal element is open)
100mA
<15nseconds
>1000MΩ
Soldering Profile
300
250
Temperature (deg. C)
200
150
100
50
160°C
130°C
Typically
40 sec.
245°C
215°C
2500 VDC
<0.01%/°C
-55°C to 85°C
-55°C to 125°C
600VAC
0
60
120
Time (seconds)
180
240
World Products Inc.
19654 Eighth Street East, Sonoma, CA 95476 | Phone (707) 996-5201 | Fax (707) 996-3380 | www.worldproducts.com
Protection Products Catalog |
123
Rev. 8.5 (06.18.07)
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