FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Features:
•
•
•
•
•
•
•
Coating meets UL 94V-0
Designed for constant current to provide overload protection
Consistent performance and reliability
Cut and formed product is available on select sizes, contact Stackpole for details
100% RoHS compliant and lead free without exemption
Halogen free
REACH compliant
Electrical Specifications
FRN16
Power Rating (W)
@ 70ºC
0.166
Maximum Working
Voltage (V) (1)
150
Maximum Overload
Voltage (V)
200
± 350
Ohmic Range (Ω) and Tolerance
5%
0.56 - 10K
FRN14
0.25
200
300
± 350
0.22 - 10K
FRN12
0.5
250
400
± 350
0.47 - 10K
FRN1
FRN2
1
2
300
300
600
600
± 350
± 350
0.47 - 10K
1 - 3K
Type / Code
TCR (ppm/ºC)
(1) Lesser of √ P*R or maximum working voltage
Mechanical Specifications
A
Body Length
0.126 +0.008 / -0
3.20 +0.20 / -0
B
Body Diameter
C
Lead Length (Bulk)
D
Lead Diameter
Unit
0.073 ± 0.006
1.85 ± 0.15
1.102 ± 0.118
28.00 ± 3.00
0.018 ± 0.002
0.45 ± 0.05
inches
mm
FRN14
0.236 ± 0.020
6.00 ± 0.50
0.091 ± 0.008
2.30 ± 0.20
1.102 ± 0.118
28.00 ± 3.00
0.022 ± 0.002
0.55 ± 0.05
inches
mm
FRN12
0.354 ± 0.039
9.00 ± 1.00
0.118 ± 0.020
3.00 ± 0.50
1.102 ± 0.118
28.00 ± 3.00
0.028 ± 0.002
0.70 ± 0.05
inches
mm
FRN1
0.433 ± 0.039
11.00 ± 1.00
0.157 ± 0.020
4.00 ± 0.50
1.102 ± 0.118
28.00 ± 3.00
0.031 ± 0.002
0.80 ± 0.05
inches
mm
FRN2
0.591 ± 0.039
15.00 ± 1.00
0.217 ± 0.039
5.50 ± 1.00
1.378 ± 0.118
35.00 ± 3.00
0.031 ± 0.002
0.80 ± 0.05
inches
mm
Type / Code
FRN16
Performance Characteristics
Test
Test Result
Moisture Resistance
± 5%
Thermal Shock
± 1%
Load Life @ 70ºC - 1000 hours
± 5%
Resistance to Soldering Heat
± 1%
Short Time Overload
± 2%
Operating temperature range is -40ºC to +155ºC
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
1
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FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Fusing Curves
Magnification of Power Rating
Magnification of Power Rating
Magnification of Power Rating
Magnification of Power Rating
Repetitive Pulse Information:
If repetitive pulses are applied to resistors, pulse wave form must be less than “pulse limiting voltage”, “pulse limiting current” or
“pulse limiting wattage” calculated by the formula below.
Vp = K√P x R x T/t
lp = K√P/P x T/t
2
Pp = K x P x T/t
Where:
Vp:
lp:
Pp:
P:
R:
T:
t:
K:
[Vr:
Pulse limiting voltage (V)
Pulse limiting current (A)
Pulse limiting wattage (W)
Power rating (W)
Nominal resistance (ohm)
Repetitive period (sec)
Pulse duration (sec)
Coefficient: 0.6
Rated Voltage (V), Ir: Rated Current (A)]
Note 1:
If T > 10 → T = 10 (sec), T / t > 1000 → T / t = 1000
Note 2:
If T > 10 and T / t > 1000, “Pulse Limiting power (Single pulse) is applied
Note 3:
If Vp < Vr (lp < lr or Pp < P), Vr (lr, P) is Vp (lp, Pp)
Note 4:
Pulse limiting voltage (current, wattage) is applied at less than rated ambient temperature.
If ambient temperature is more than the rated temperature (70 °C), decrease power rating according to “Power Derating Curve”
Note 5:
Assure sufficient margin for use period and conditions for “pulse limiting voltage”
Note 6:
If the pulse waveform is not square wave, judge after transform the waveform into square
wave according to the “Waveform Transformation to Square Wave”.
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
2
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marketing@seielect.com
FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Waveform Transformation to Square Wave
1.
Discharge curve wave with time constant “t” → Square wave
2.
Damping oscillation wave with time constant of envelope “t” → Square wave
3.
Half-wave rectification wave → Square wave
4.
Triangular wave → Square wave
5.
Special wave → Square wave
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
3
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FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Recommended Solder Profile
This information is intended as a reference for solder profiles for Stackpole resistive components. These profiles should
be compatible with most soldering processes. These are only recommendations. Actual numbers will depend on board
density, geometry, packages used, etc., especially those cells labeled with “*”.
100% Matte Tin / RoHS Compliant Terminations
Soldering iron recommended temperatures: 330°C to 350°C with minimum duration.
Maximum number of reflow cycles: 3.
Wave Soldering
Description
Maximum
Recommended
Preheat Time
80 seconds
70 seconds
Temperature Diff.
140°C
120°C
Solder Temp.
260°C
250°C
Dwell Time at Max.
10 seconds
5 seconds
Ramp DN (°C/sec)
N/A
N/A
Temperature Diff. = Defference between final preheat stage and soldering stage.
Minimum
60 seconds
100°C
240°C
*
N/A
Convection IR Reflow
Description
Maximum
Recommended
Minimum
Ramp Up (°C/sec)
Dwell Time > 217°C
Solder Temp.
Dwell Time at Max.
Ramp DN (°C/sec)
3°C/sec
150 seconds
260°C
30 seconds
6°C/sec
2°C/sec
90 seconds
245°C
15 seconds
3°C/sec
*
60 seconds
*
10 seconds
*
Recommended Lead Free Resistor Reflow Profile
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
4
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FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Packaging Specifications
.(1)
Series
B max
A max
2.618
66.50
2.508
63.70
2.618
66.50
2.421
61.50
3.917
99.50
FRN16
FRN14
FRN12
FRN1
FRN2
(2)
C
13.504
343.00
13.504
343.00
13.504
343.00
13.504
343.00
13.504
343.00
0.197
5.00
0.197
5.00
0.197
5.00
0.197
5.00
0.394
10.00
±
±
±
±
±
±
±
±
±
±
D
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
0.020
0.50
2.063
52.40
2.063
52.40
2.063
52.40
2.063
52.40
2.500
63.50
±
±
±
±
±
±
±
±
±
±
0.079
2.00
0.079
2.00
0.079
2.00
0.079
2.00
0.079
2.00
Tape
Unit
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
0.250
6.35
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Dimension "E":
This is a non-critical dimension that does not have a tolerance in the standard.
Range of diameters is from 0.547 inches (13.90 mm) to 1.500 inches (38.10 mm).
(1) Reference value only. The "A" dimension shall be governed by the overall length of the taped component.
The distance between flanges shall be 0.059 inches (1.50 mm) to 0.315 (8.00 mm) greater than the overall component.
(2) The given dimension "D" expresses the standard width spacing. A 26 mm narrow spacing is available as option "N" packaging code.
RoHS Compliance
Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet
the various regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on
Hazardous Substances” (RoHS 3). As part of this ongoing program, we periodically update this document with the status
regarding the availability of our compliant components. All our standard part numbers are compliant to EU Directive
2011/65/EU of the European Parliament as amended by Directive (EU) 2015/863/EU as regards the list of restricted
substances.
RoHS Compliance Status
Standard
Product
Series
Description
Package /
Termination
Type
FRN
Axial Leaded Fusing Resistor
Axial
Standard
Series
RoHS
Compliant
YES
Lead-Free Termination
Composition
Lead-Free
Mfg. Effective Date
(Std Product Series)
99.3/0.7 Sn/Cu
Apr-05
Lead-Free
Effective Date
Code
(YY/WW)
05/14
“Conflict Metals” Commitment
We at Stackpole Electronics, Inc. are joined with our industry in opposing the use of metals mined in the “conflict region”
of the eastern Democratic Republic of the Congo (DRC) in our products. Recognizing that the supply chain for metals
used in the electronics industry is very complex, we work closely with our own suppliers to verify to the extent possible
that the materials and products we supply do not contain metals sourced from this conflict region. As such, we are in
compliance with the requirements of Dodd-Frank Act regarding Conflict Minerals.
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
5
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marketing@seielect.com
FRN Series
Stackpole Electronics, Inc.
Fusing Resistor
Resistive Product Solutions
Compliance to “REACH”
We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High
Concern) free and compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation,
Authorization and Restriction of Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH
Substance Candidate List.
Environmental Policy
It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We
continually strive to improve our effect on the environment. We observe all applicable laws and regulations regarding the
protection of our environment and all requests related to the environment to which we have agreed. We are committed
to the prevention of all forms of pollution.
How to Order
F
R
Product Series
Code
Description
FRN Fusing Metal Film
N
Power
Code
16
14
12
1
2
Rating
W
0.166
0.25
0.5
1
2
1
2
J
Tolerance
Code Tol Value
J
5%
E24
Code
T
A
B
Rev Date: 10/22/2020
This specification may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
6
T
4
R
Packaging
Product Code
FRN16, FRN14
Tape and
FRN12, FRN1
Reel
FRN2
FRN16
FRN14, FRN12
Ammo
FRN1
FRN2
FRN16
Bulk
FRN14, FRN12
FRN1, FRN2
Description
7
0
Resistance Value
Quantity
5000
2500
1000
5000
2000
1000
500
2000
Four characters with
the multiplier used
as the
decimal holder.
0.47 ohm = R470
10 Kohm = 10K0
1000
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