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Tyco Electronics

VLR Datasheet Preview

VLR Datasheet

PolySwitch Battery Protector

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Preliminary Data
VLR Series
PolySwitch Battery Protectorswww.DataSheet4U.com
New VLR Low Resistance PolySwitch Resettable Strap Devices Enhance
Thermal Protection for Li-Ion and NiMH Battery Packs
Tyco Electronics Corporation has
developed the next generation in its
popular line of PolySwitch® PPTC
(Polymeric Positive Temperature
Coefficient) resettable strap devices.
The VLR230 and VLR170 devices
provide very low series resistance and
enhanced thermal protection for
Lithium-Ion (Li-Ion) and Nickel Metal
Hydride (NiMH) rechargeable battery
packs typically used in cell phones,
laptops, radios, camcorders, and other
portable equipment. VLR devices are
well suited for single-cell Li-Ion
applications. The VLR device's narrow,
low-profile form factor allows it to be
welded directly onto battery cells, thus
saving space and added installation
costs. VLR devices lower trip
temperature (~5ºC lower compared to
the VTP strap devices) and fast time-
to-trip (typically 2.4 seconds or better
at 10A) provide enhanced protection
for rechargeable battery applications,
while allowing longer battery pack life
and extended equipment operation time.
Target Applications:
• Mobile phone battery packs
• Cordless phone battery packs
• Mobile radio packs
• Computer battery packs
• Camcorder battery packs
Features:
• Broadest range of resettable fuses
available in the industry
• Current rating of 100A
• Voltage rating of 12V
• Agency recognition pending
• Industry fastest time-to-trip
• Industry lowest resistance devices
Benefits:
• Provides overcurrent and
overtemperature protection
• Ideal protection for single cell Li-Ion
battery packs
• Compatible with high volume
electronics assembly
• Assists in meeting regulatory
requirements
Electrical Characteristics
Electrical Rating
Voltage: 12 V MAX
Current: 100A MAX
I Hold
Current Trip Limits
Time to Trip
Reference
Resistance
AMPS 25˚C AMPS AT 0˚C
PART #
VLR170
VLR230
HOLD
1.7
2.3
HOLD
2.4
3.4
TRIP
5.6
6.6
AMPS AT 25˚C
HOLD
1.7
2.3
TRIP
4.1
5.0
AMPS AT 60˚C
HOLD
0.7
0.9
TRIP
1.9
2.3
SECONDS AT
25˚C
A TYP MAX
8.5 – 5.0
10.0 2.4 5.0
OHMS AT 25˚C
MIN
0.018
0.012
MAX
0.032
0.018
Reference Documents:
Precedence:
Effectivity:
CAUTION:
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
One-Hour
Post-Trip
Resistance
OHMS AT 25˚C
Tripped-State
Power
Dissipation
WATTS AT 25˚C, 12V
MIN
0.018
0.012
MAX
0.064
0.036
TYP
-
1.4
MAX
1.4
2.5




Tyco Electronics

VLR Datasheet Preview

VLR Datasheet

PolySwitch Battery Protector

No Preview Available !

www.DataSheet4U.com
Dimensions (millimeters/inches)
VLR170 mm:
VLR170 in*:
VLR230 mm:
VLR230 in*:
A
min max
20.8 23.2
(0.82) (0.91)
20.9 23.1
(0.82) (0.91)
B
min max
3.5 3.9
(0.14) (0.15)
4.9 5.3
(0.19) (0.21)
C
min max
-- 0.8
-- (0.03)
-- 0.8
-- (0.03)
D
min max
4.5 6.5
(0.18) (0.26)
4.1 5.8
(0.16) (0.23)
Leads:
Nickel: 0.125 mm nom.
Tape:
Polyester
Marking:
R17
Manufacturer's Mark
Part Identification (R17, VLR170 and R23, VLR230)
Lot Identification
D
B
A
EC
F
Orientation Mark R
E
min max
4.5 6.5
(0.18) (0.26)
4.1 5.8
(0.16) (0.23)
VLR Devices
F
min max
R
min max
2.4 2.6
––
(0.09) (0.10) – –
3.9 4.1
1.0 –
(0.15) (0.16) (0.039) –
*rounded off approximation
nanoSMD Devices
Typical Time to Trip Characteristics
100
10
1
0.1
0.01
0.001
0
VLR 230
VLR 170
10
Fault Current (Amps)
100
Thermal Derating Curve
160
140
120
100
80
60
40
20
0.0
0 10 20 30 40 50 60 70
Temperature (°C)
Worldwide Headquarters
308 Constitution Drive
Menlo Park, CA 94025-1164
Tel (800) 227-7040
(650) 361-6900
Fax (650) 361-2508
www.circuitprotection.com
PolySwitch, and VLR are registered trademarks of Tyco Electronics Corporation.
All information, including illustrations, is believed to be reliable. Users, however, should independently evaluate the suitability of each product for their
application. Tyco Electronics makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use.
Tyco Electronics’ only obligations are those in the Company’s Standard Terms and Conditions of Sale for this product, and in no case will Tyco
Electronics be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of the product. Specifications
are subject to change without notice. In addition, Tyco Electronics reserves the right to make changes—without notification to Buyer—to materials or
processing that do not affect compliance with any applicable specification.


Part Number VLR
Description PolySwitch Battery Protector
Maker Tyco Electronics
Total Page 2 Pages
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