W31-33RJI Welwyn Components, W31-33RJI Datasheet - Page 2

• Manufacturer Part Number: W31-33RJI
• Description: RESISTOR, 3W 5% 33R
• Manufacturer: Welwyn Components
• Series: W31r

Specifications of W31-33RJI

• Resistance: 33ohm
• Resistance Tolerance: ± 5%
• Power Rating: 3W
• Voltage Rating: 100V
• Resistor Element Material: Wirewound
• No. Of Pins: 2
• Svhc: No SVHC (15-Dec-2010)
• Temperature Coefficient: ± 150ppm/°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

100
Cement Coated
Wirewound Resistors
W30 Series
Performance Data
© Welwyn Components Limited
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
Ordering Procedure
Example: W31 at 1 kilohms and 1% tolerance packed in a box of 1000 pieces
Type
Value (use IEC62 code)
Tolerance (use IEC62 code)
Packing
G
F
Packaging
The standard method of packaging is taped in ammo packs.
Can be provided on reels by request.
W31 resistors can be supplied preformed.
Contact factory for details.
J
Load:
Dry heat: 1000 hrs at 200°C
D
Short term overload 10 x rated power for 5 seconds
Climatic
Climatic category
Long term damp heat: 56 days
Temperature rapid change
Resistance to solder heat
Vibration and bump
V
Pulse handling
A1
T1
l o
r e
a t
t a
130
120
110
100
90
80
70
60
50
40
30
20
10
1%
2%
5%
g
n i
0
e
1000 hrs 2.5 watts @ 70°C
20
g
p
1000 hrs 3 watts @ 25°C
f
o r
o r
Ammo
40
f o
Tape
m
o r
60
o
m
W31 Series Derating Curve
80 100 120 140 160 180 200 220 240 260 280
e t
m
1000/box
1000/reel
p
e
a r
u t
e r
Temp
Bedlington, Northumberland NE22 7AA, UK
Standard
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
∆R%
o v
s t l
Application Notes
The terminations should not be bent closer than 1.6mm from
the body, and the recommended minimum bend radius is
1.2mm.
Care must be taken when determining clearance between the
resistor body and the P.C.B. or other components. Resistance
is measured 6mm from body.
W 3 1 – 1 K 0 F A 1
5.0 + .001Ω
5.0 + .001Ω
5.0 + .001Ω
5.0 + .001Ω
5.0 + .001Ω
3.0 + .001Ω
2.0 + .001Ω
5.0 + .001Ω
5.0 + .001Ω
M
6
a
i x
m
u
f
1
m
f
Data available by request
1
– f
s
e e
2
63
≤ 1.4 mm
d
55/200/56
5
r e
Welwyn Components
0
t a
0
n i
m
g
n i
c
f
r u
2
e v
6
y T
10
3.5
3.5
3.5
1.0
3.5
1.0
1.5
2.0
2.0
p
c i
l a
Issue D · 07.06