• Feature:
    Axial Moulded Type.
    High Precision.
    High Reliability.
    Excellent load life stability.
    Insulation, Moisture Proof.
    Meets the Standards of MIL-R-93.
wirewound,precision,resistor
Technical Specifcations
Wirewound Low-Inductance Resistors Metal Film, Wirewound, Cement Fusible Resistors
Type Rated Watts
at 25°C
(W)		 Resistance Range
(Ω)		 Tolerance
(%)		 TCR
(PPM/°C)		 Dimensions (mm)
Min Max A±0.25 ΦB±0.25 Φd F
BWW-0.5 0.5 0.1 100 ±0.1
±0.25
±0.5
±1
±2
±5		 ±25
±50
±150		 7.0 3.0 0.8 27.0
BWW-1 1.0 0.1 1K 11.0 3.0 0.8 31.0
BWW-3 3.0 0.1 10K 15.0 5.2 0.8 34.0
BWW-4 4.0 0.1 15K 18.0 6.5 0.8 38.0
BWW-5 5.0 1 24K 24.0 8.4 1.0 44.0
BWW-10 10.0 1 39K 46.5 10.0 1.0 66.0

Performance
Test Items Test Conditions Specifications
Operating Temp. Range   -55°C ~ 175°C
Insulation Resistance 500V >1GΩ
Dielectric Withstanding Voltage 500V AC 1 Min. ΔR ≤ ±0.1%R
Load Life 70°C on~off cycle 1000 Hrs. ΔR ≤ ±1%R
Moisture-Proof Load Life 40°C 95% RH on~off cycle 21 Hrs. ΔR ≤ ±0.2%R
Resistance to soldering heat 350°C, 3.5s ΔR ≤ ±0.1%R
Solderability 235±5°C, 5s(solder bath method) IEC68-2-20(1968)

How to Order
BWW - 1W 100R F D P
Part Number
BWW
Power Rating
(W)
Resistance
(Ω)
0R1 0.1Ω
100R 100Ω
1KR 1000Ω
Resistance Tolerance
(%)
B ±0.1%
C ±0.25%
D ±0.5%
F ±1%
G ±2%
TCR
(PPM/°C)
C ±25PPM/°C
D ±50PPM/°C
K ±150PPM/°C
Package
P Bulk

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