FRN Series
Fusing Resistor
Features:
•
•
•
•
•
•
Stackpole Electronics, Inc.
Resistive Product Solutions
Coating meets UL 94V-0
Flameproof – meets overload test of UL #1412
Designed for constant current to provide overload
protection
Consistent performance and reliability
Cut and formed product is available on select sizes, contact
factory for details
RoHS compliant / lead-free
Electrical Specifications
Type / Code
FRN16
FRN14
Power Rating
(Watts) @ 70ºC
0.166W
0.25W
Maximum Working
Voltage (1)
150V
200V
Maximum Overload
Voltage
200V
300V
400V
600V
600V
Resistance Temperature
Coefficient
±350 ppm/ºC
±350 ppm/ºC
±350 ppm/ºC
±350 ppm/ºC
±350 ppm/ºC
Ohmic Range (Ω) and
Tolerance
5%
0.56 - 10K
0.22 - 10K
0.47 - 10K
0.47 - 10K
1 - 3K
FRN12
250V
0.5W
FRN1
300V
1W
FRN2
300V
2W
(1) Lesser of
√PR
or maximum working voltage
Mechanical Specifications
Type / Code
FRN16
FRN14
FRN12
FRN1
FRN2
A
Body Length
0.126 +0.008/-0
3.2 +0.2/-0
0.024 ± 0.02
6.0 ± 0.5
0.35 ± 0.04
9.0 ± 1.0
0.43 ± 0.04
11.0 ± 1.0
0.59 ± 0.04
15.0 ± 1.0
B
Body Diameter
0.07 ± 0.006
1.85 ± 0.15
0.09 ± 0.01
2.3 ± 0.2
0.12 ± 0.02
3.0 ± 0.5
0.16 ± 0.02
4.0 ± 0.5
0.22 ± 0.04
5.5 ± 1.0
C
Lead Length (Bulk)
1.1 ± 0.12
28.0 ± 3.0
1.1 ± 0.12
28.0 ± 3.0
1.1 ± 0.12
28.0 ± 3.0
1.1 ± 0.12
28.0 ± 3.0
1.38 ± 0.12
35.0 ± 3.0
D
Lead Diameter
0.018 ± 0.002
0.45 ± 0.05
0.022 ± 0.002
0.55 ± 0.05
0.028 ± 0.002
0.7 ± 0.05
0.031 ± 0.002
0.8 ± 0.05
0.031 ± 0.002
0.8 ± 0.05
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Performance Characteristics
Test
Moisture Resistance
Thermal Shock
Load Life @ 70ºC - 1,000hrs
Resistance to Soldering Heat
Short Time Overload
Operating Temperature Range: -40ºC to +155ºC
Test Results
±5%
±1%
±5%
±1%
±2%
Rev Date: 08/25/2011
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
FRN Series
Fusing Resistor
Fusing Curves
Stackpole Electronics, Inc.
Resistive Product Solutions
Power Rating
Power Rating
Power Rating
Power Rating
How to Order
1
2
3
4
5
6
7
8
9
10
11
F
R
N
1
2
J
T
4
R
7
0
Resistance Value
FRN
Product Series
Fusing Metal Film
Size Power Rating
0.166W
16
0.25W
14
0.5W
12
1W
1
2W
2
Code
J
Tolerance
Tol
Value
5%
E24
Code
T
A
B
Packaging
Size
FRN16, FRN14
FRN12, FRN1
Tape and Reel
FRN2
FRN16
FRN14, FRN12
Ammo
FRN1
FRN2
FRN16
Bulk
FRN14, FRN12
FRN1, FRN2
Description
Quantity
5,000
2,500
1,000
5,000
2,000
1,000
500
2,000
1,000
Four characters
with the multiplier
used as the
decimal holder.
0.47 ohm = R470
10 Kohm = 10K0
Legacy Part Number (before January 3, 2011):
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
FRN
Type
FRN
1/2
Code Wattage
1/6
1/4
1/2
1
2
0.166W
0.25W
0.5W
1W
2W
4.7
5%
5%
Tolerance
Values
E24
R
SEI Types
FRN16, FRN14
FRN12, FRN1
FRN2
FRN16
FRN14, FRN12
FRN1
FRN2
FRN16
FRN14, FRN12
FRN1, FRN2
Description
Fusing Metal
Film
Pkg Qty
5,000
2,500
1,000
5,000
2,000
1,000
500
2,000
1,000
Description
tape and reel
Code
R
ammo
T
bulk
A
Rev Date: 08/25/2011
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
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