TPR
anti-surge fusing resistor
features
• Quickly fuses to the overload
• Circuit is completely isolated after fusing
• Lightning surge test (IEC61000-4-5) effective
• Can be used in high temperature environment
C: Sn-Cu1: 1W T: Taping
Blank: Bulk
TPR
Type Power Rating Terminal Surface
Material Taping
New Part # 1 TC
2 significant figures
+ 1 multiplier “R”
indicates decimal
on values <10Ω
Nominal
Resistance
100
Cover
Base
Resistor
Terminal wire
P
ø0.6ø0.4
LW
H
dimensions and construction
L
.394±.004
(10.0±0.1)
TPR1
W H P
Dimensions inches (mm)
Type
ordering information
A: AMMO
Blank: Bulk
Contact factory
for taping
specifications
Packaging
A
.354±.004
(9.0±0.1) .197±.004
(5.0±0.1) .197±.02
(5.0±0.5)
J: ±5%
Resistance
Tolerance
J
EU
Operating
Temperature
Range
T.C.R.
(x 10-6/K)
Terminal
Temperature
Under Rated
Load
Maximum
Open-Circuit
Voltage
Maximum
Working
Voltage
Resistance
Range
J: ±5%
E24
Part
Designation
Maximum
Overload
Voltage
Power
Rating
applications and ratings
TPR1 1W E=√(PxRx2)
320V a.c. E=√(PxR)
+125°C
and less
2Ω~ 10kΩ~51Ω: 200
56Ω~: 350 -40°C ~
+150°C
Lightning
Surge Test*
1.5kV
* Lightning surge test at 10Ω
resistors
221
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/06/16
222 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/20/14
TPR
anti-surge fusing resistor
Derating Curve
environmental applications
Terminal Temperature (°C)
Percent Rated Power (%)
100
80
60
40
20
0
-40 -20
0 20 40 60 80 100 120 140 160
150125
Life Estimation Curve
Terminal Temperature (°C)
Life Estimation Time (h)
60 70 80 90 100 110 120 130 140 150
200,000
180,000
160,000
140,000
120,000
100,000
80,000
60,000
40,000
20,000
0
Performance Characteristics
Parameter
Requirement
Limit Typical Test Method
T.C.R.
Resistance
+25°C/-40°C and +25°C/+125°C
25°C
Within specified
T.C.R.
Within specified
tolerance
—
—
Overload (Short Time) Rated power x 2 for 5 seconds
±(5%+0.05Ω) 2%
Load Power (W)
Fusing Time (s)
2345678910
100
10
1
Min.
Max.
Rapid Change of Temperature
Fusing Characteristics
-40°C/0.5 hr, +125°C/0.5 hr, 1000 cycles
Rated power x 10
±(5%+0.05Ω)
Within 6 seconds
2%
—
Resistance to Soldering Heat 260°C ± 5°C, 10 ± 1 second
±(1%+0.05Ω) 0.3%
Endurance at 125°C and
Less of Terminal Temperature Terminal temperature: 125°C, 1.5 hr ON, 0.5 hr OFF cycle, 1000 hours
±(5%+0.05Ω) 3%
For resistors operated at a terminal temperature of 125°C or above, a
power rating shall be derated in accordance with the above derating curve.
Fusing Characteristics
resistors
Mouser Electronics
Authorized Distributor
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KOA Speer:
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