VER Series —Vitreous Enameled - General Purpose/Precision
Features
• High power dissipation for size
• High stability and reliability
• Overload characteristics ideal for protection circuits
• Suitable for harsh environments
• Impervious lead free vitreous enamel coating
Electrical Specifications
Type
Power Rating
(Watts)
@ 25°C
3W
5W
7W
10W
14W
Maximum
Working
Voltage*
100V
160V
200V
500V
750V
Ohmic Range and Tolerance
Resistance Temperature Coefficient
1%
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
1Ω – 10KΩ
1Ω – 10KΩ
1Ω – 20KΩ
1Ω – 60KΩ
1Ω – 100KΩ
5%
0.1Ω – 10KΩ
0.1Ω – 10KΩ
0.11Ω – 20KΩ
0.15Ω – 60KΩ
0.2Ω – 100KΩ
VER 3
VER 5
VER 7
VER 10
VER 14
* Lesser of
√
PR or maximum working voltage.
Mechanical Specifications
Type
VER 3
VER 5
VER 7
VER 10
VER 14
A
Body Length (max)
0.5
12.7
0.87
22.0
0.87
22.1
1.5
38.0
2.11
53.6
B
Body Diameter (max)
0.22
5.6
0.28
7.1
0.31
7.9
0.31
7.9
0.31
7.9
C
Lead Length (min)
0.9
22.9
0.91
23.1
0.91
23.1
1.18
30.0
1.18
30.0
D
Lead Diameter (nom)
0.032
0.80
0.032
0.80
0.032
0.80
0.032
0.80
0.032
0.80
Units
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
How to Order
VER
SEI Type
3
Code
10K
Nominal Resistance
1%
Tolerance
R
Packaging
Code
3
5
7
10
14
Tolerance
1%
5%
Values
E96
E24
SEI Types
VER 3
VER 5
VER 7
VER 3
VER 5
VER 7
VER 10
VER 14
Pkg Qty
1,000
1,000
700
1,000
1,000
500
100
100
Description
Tape
Code
R
Ammo
T
Bulk
A
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
61
email: marketing@seielect.com
Rev 03/06
VER Series —Vitreous Enameled - General Purpose/Precision
Performance Characteristics
Test
Load at commercial rating: 1,000 hours at 25°C
Load at CECC rating: 1,000 hours at 25°C
Dry Heat: 1,000 hours at 200°C
Shelf Life: 12 months at room temperature
Short term overload
Climatic
Long term damp heat
Temperature rapid change
Resistance to solder heat
Vibration and bump
Noise (in a decade of frequency)
Robustness
Insulation resistance
Voltage Proof
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
µV/V
∆R%
Ohms
Volts
Maximum
5
5
2
0.03
1.0
0.5
0.05
0.5
0.25
0.25
Zero
0.4
>100MΩ
500 min
Typical
3.5
3.5
1
0.02
0.2
0.2
0.02
0.2
0.03
0.05
Zero
0.05
>100MΩ
500 min
400
Part Marking Instructions
VER 3
VER 5
VER 7 VER 10
VER 14
Temperature Rise °C
These resistors are marked with series
identification, resistance value and tolerance.
Series Identification:
VER
VER
VER
VER
VER
3 = W21
5 = W215
7 = W22
10 = W23
14 = W24
300
200
100
0
0
5
10
15
20
Dissipation - Watts
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
62
email: marketing@seielect.com
Rev 03/06
