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Specifications
Type:
Wirewound Resistor
Resistance:
5.1Ω
Voltage-Supply(Max):
-
Power(Watts):
2W
Temperature Coefficient:
±350ppm/℃
Tolerance:
±5%
Mfr. Part #:
RXF-2WS-5.1R-J-T52
Package:
Through Hole,D5xL12mm
Key Attributes
Model Number:
RXF-2WS-5.1R-J-T52
Product Description
Product Overview
The RXF series from Dongguan Hongda Electronic Technology Co., Ltd. offers high-performance resistors with excellent surge resistance and fusing consistency. These compact resistors are designed for easy installation and provide reliable safety, making them ideal for a wide range of electronic equipment including light sources, switching power supplies, chargers, and home appliances. They have obtained VDE, UL/CUL, and CQC safety certifications.
Product Attributes
- Brand: RXF Series
- Manufacturer: DONGGUAN HONGDA ELECTRONIC TECHNOLOGY CO.,LTD
- Origin: China
- Certifications: VDE, UL/CUL (Cert No: E359590), CQC (Cert No: 0.5W-CQC13001095211, 1W-CQC13001095213, 2W-CQC13001095221)
Technical Specifications
Dimensions and Lead Lengths
| Model | Rated Power (W) | Dimensions (mm) Dmax. Lmax. | Lead Allowable Length* (mm) | H1 | d0.05 |
|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1WX | 3.0 | 7.0 | 6070 | 0.380.45 | 1 |
| 0.5, 1S, 2WX | 4.0 | 10.0 | 6090 | 0.430.60 | 1.5 |
| 1, 2S, 3WX | 5.0 | 12.0 | 6070 | 0.540.72 | - |
| 2, 3S | 6.0 | 16.0 | 6080 | 0.600.72 | - |
Electrical Specifications
| Model | Rated Power (W) | Resistance Range () | Resistance Tolerance (%) | Insulation Voltage (V) (DC or AC peak) | Component Limit Voltage (V) |
|---|---|---|---|---|---|
| RXF 0.25, 0.5S, 1X | - | 0.22-300 | 5, 10 | 250 | 200 |
| 0.5, 1S, 2X | - | - | - | 250 | 350 |
| 1, 2S, 3X | - | - | - | 350 | 350 |
| 2, 3S | - | 0.22-47 | - | 500 | 350 |
General Data
| Parameter | Value |
|---|---|
| Nominal Resistance Tolerance | 5%, 10% |
| Climatic Category | 55/155/21 |
| Low Air Pressure | 8.5kpa |
| Stability Grade | 5% |
| Resistance Change Limit (Long-term) | (5%R+0.1) |
| Resistance Change Limit (Short-term) | (1%R+0.05) |
| Temperature Coefficient (Standard) | 350 ppm |
| Temperature Coefficient (Semi-fusing, Explosion-proof, High Surge) | 35001500 ppm |
| Rated Current | I(A) = P(W)/R() |
| Derating Curve | Refer to Figure 2 (Rated power is maximum continuous operating power at 70; derate above 70) |
| Fusing Characteristic Definition | Significant increase in resistance when subjected to specified overload, causing current to drop below 1/50 of initial test current. Fusing time is the time from overload application to fusing. |
| Fusing Time Requirement (Standard & High Surge Types) | See Table 3-1 |
| Fusing Time Requirement (Explosion-proof Types) | See Table 3-2 |
| Fusing Time Requirement (Semi-fusing Types) | See Table 3-3 |
| Surge Impact Performance | Test as per Figure 3; repeated switching for 100 cycles (2s ON, 2s OFF) should not result in an open circuit. |
Main Test Items, Methods, and Performance Requirements
| No. | Test Item | Test Method | Performance Requirement |
|---|---|---|---|
| 1 | Resistance | Measured by resistance error sorter. | Resistance value within nominal resistance and allowable deviation. |
| 2 | Short-time Overload | Apply 2.5 times rated voltage for 5s, recover 1-2h, measure resistance, calculate change rate. | Resistance Change: R(2%R+0.05) |
| 3 | Solderability | Dip lead ends in solder pot (2605) for 20.5s, depth 2+0/-0.5mm from body. Observe solder coverage. | Over 90% surface coverage in circumferential direction of the dipped part. |
| 4 | Voltage Proof | Place resistor in metal "V" groove, apply specified insulation voltage between leads and groove for 60s. | No visible damage, clear marking; no breakdown or arcing. |
| 5 | Resistance to Soldering Heat | Measure resistance before test, dip lead ends in solder pot (35010) for 3.50.5s, depth 2+0/-0.5mm from body. Recover 1h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 6 | Rapid Temperature Change | Cycle: Low temp (-553) (30min) -> Room temp (2-3min) -> High temp (1553) (30min) -> Room temp (2-3min). Repeat 5 cycles. Recover 1-2h, measure resistance, calculate change rate. | Resistance Change: R(1%R+0.05) |
| 7 | Endurance | Place in constant temperature oven (703), apply rated DC voltage (1.5h ON, 0.5h OFF) for 1000h. Recover 1-4h, measure resistance, calculate change rate. | Resistance Change: R(5%R+0.1) |
| 8 | Lead Strength | Tensile: 10N for 10s. Bending: Apply 5N load, tilt body ~90 (2-3s), recover, bend 90 in opposite direction (2 bends total). | Resistance Change: R(1%R+0.05) |
| 9 | Vibration | Resistor body 61mm from mounting point. Frequency 10-500Hz, amplitude 0.75mm or acceleration 98m/s (whichever is smaller). Directions Z, X, Y axes for 2h each (total 6h). Cycle 1min (10-55-10Hz). Measure resistance, calculate change rate. | 1) Appearance: No mechanical damage. 2) Resistance Change: R(1%R+0.05) |
| 10 | Climatic Sequence | Dry heat -> Cyclic damp heat (Db, 1st cycle) -> Cold -> Low pressure -> Cyclic damp heat (Db, remaining cycles) -> DC load. | Resistance Change: R(5%R+0.1). Insulation Resistance: 100M. |
| 11 | Accidental Overload | Install sample in single-layer wire mesh cylinder (253mm from body). Apply 5, 10, 16 times rated power overload for 5min or until open circuit. | Wire mesh cylinder does not ignite. |
Taping Style and Dimensions
| Taping Specification | Dimensions (mm) U | W | P | L1-L2 | T | Z | R | t | T2 |
|---|---|---|---|---|---|---|---|---|---|
| T26 | 381 | 260.5 | 50.5 | 0.5 | 60.1 | 1 | 0 | 3.2 | 1.5 |
| T52 | 642 | 521 | - | 1 | - | - | - | - | - |
| T63 | 752 | 631 | 100.5 | 1.2 | 752 | 631 | - | - | - |
| T72 | 842 | 722 | 50.5 | 1.2 | 842 | 722 | - | - | - |
Sleeve Product Style and Dimensions
| Shape | Dimensions (mm) H1 | H11.5 | H21.5 | hh (15%) | h12 | h22 |
|---|---|---|---|---|---|---|
| TA Type | 70 | 20 | 20 | 50 | 10 | 10 |
| TB Type | 80 | 5 | 25 | 40 | 10 | 30 |
Molded Style and Dimensions
| Shape | Dimensions (mm) P1.0 | H1 | h0.5 |
|---|---|---|---|
| n Type | 5 | 3.5 | 8 |
| B Type | 5 | 3.5 | 8 |
| L Type | 12.5 | 4.5 | 14.5 |
Model Specification Naming Explanation (Example)
| Component | Description |
|---|---|
| RXF | Series Name |
| Rated Power | 0.25w, 0.5w, 1w, 2w, 3w |
| Resistance Tolerance | J: 5%, K: 10%, M: 20% |
| Nominal Resistance | E24 Series (See diagram) |
| Type | S: Miniaturized, X: Ultra-miniaturized |
Color Code Marking
| Color | 1st Digit | 2nd Digit | 3rd Digit | Multiplier | Tolerance |
|---|---|---|---|---|---|
| Black | 0 | 0 | 0 | 10 | - |
| Brown | 1 | 1 | 1 | 10 | 1% |
| Red | 2 | 2 | 2 | 10 | 2% |
| Orange | 3 | 3 | 3 | 10 | - |
| Yellow | 4 | 4 | 4 | 10 | - |
| Green | 5 | 5 | 5 | 10 | 0.5% |
| Blue | 6 | 6 | 6 | 10 | 0.25% |
| Violet | 7 | 7 | 7 | 10 | 0.1% |
| Gray | 8 | 8 | 8 | 10 | - |
| White | 9 | 9 | 9 | 10 | - |
| Gold | - | - | - | 10 | 5% |
| Silver | - | - | - | 10 | 10% |
| Plain | - | - | - | - | 20% |
Packaging
- Inner Box Packaging: Taped, 1K/box
- Outer Box Packaging: Not specified
2304140030_Hongda-RXF-2WS-5-1R-J-T52_C2149619.pdf
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