ASC WA04/06 Series Chip Resistors Array
The ASC WA04/06 series offers general-purpose chip resistors arrays in various configurations, including convex and concave types. These components are designed for reduced equipment size, lower assembly costs, and enhanced reliability. They are RoHS compliant and lead-free. Applications include consumer electronics, EDP, and telecommunications.
Product Attributes
- Brand: ASC
- Certifications: RoHS compliant, lead free products
- Material: High grade ceramic body (aluminum oxide)
Technical Specifications
| Series No. | Size | Resistance Tolerance | Resistance Range | Max. Dissipation at Tamb=70C | Max. Operation Voltage (DC or RMS) | Max. Overload Voltage | Climatic Category |
| WA04Y(Convex) | 0402x2 (1005x2) | 5%, 1% | 3 ~ 1M, Jumper 10 ~ 1M | 1/16 W | 25V | 50V | 55/155/56 |
| WA04X(Convex) | 0402x4 (1005x4) | 5%, 1% | 3 ~ 1M Jumper 10 ~ 1M | 1/16 W | 50V | 100V | 55/155/56 |
| WA06X(Convex) | 0603x4 (1608x4) | 5%, 1% | 1 ~ 10M Jumper, 10 ~ 100K | 1/10 W | 50V | 100V | 55/155/56 |
| WA06W(Convex) | 0602x8 (1605x8) | 5%, 1% | 10 ~ 1M, Jumper | 1/16 W | 50V | 100V | 55/155/56 |
| WA06T(Concave) | 0603x4 (1608x4) | 5%, 1% | 10 ~ 1M, Jumper | 1/10 W | 50V | 100V | 55/155/56 |
Dimensions (unit : mm)
WA04Y
| L | W | T | P | A | Ta | Tb |
| 1.00 0.10 | 1.00 0.10 | 0.35 0.10 | 0.65 0.10 | 0.34 0.10 | 0.20 0.15 | 0.25 0.17 |
WA04X
| L | W | T | P | A | B | C | G |
| 2.00 0.10 | 1.00 0.10 | 0.45 0.10 | 0.50 0.05 | 0.40 0.10 | 0.20 0.10 | 0.30 0.05 | 0.25 0.10 |
WA06X
| L | W | T | P | A | B | C | G |
| 3.20 0.10 | 1.60 0.10 | 0.50 0.10 | 0.80 0.10 | 0.60 0.10 | 0.30 0.10 | 0.40 0.10 | 0.30 0.20 |
WA06W
| L | W | T | B | G | D | P | H1 | H2 |
| 4.00 0.20 | 1.60 0.15 | 0.45 0.10 | 0.30 0.20 | 0.30 0.20 | 0.20 0.10 | 0.50 0.20 | 0.40 0.20 | 0.30 0.10 |
WA06T
| L | W | T | P | A | B | C | G |
| 3.20+0.20/-0.10 | 1.60+0.20/-0.10 | 0.60 0.10 | 0.80 0.10 | 0.60 0.15 | 0.35 0.15 | 0.50 0.15 | 0.50 0.15 |
Marking
3-digits marking for E24 series 1% ,5% products. For values up to 9.1 the R is used as a decimal point. For values of 10.0 or greater the first 2 digits apply to the resistance value and the third indicates the number of zeros to follow. Example: 4.7 = 4R7, 10 = 100, 100 = 101, 6800 = 682, 47000 = 473. No marking for WA04Y chip resistors array and E96 series resistance.
Functional Description
Standard values of nominal resistance are taken from the E24 series for 5% tolerance and E24/E96 series for 1% tolerance, in accordance with IEC publication 60063.
Mounting and Soldering
Suitable for automatic placement systems on ceramic substrates and printed-circuit boards (PCBs). End terminations guarantee reliable contact. Can be immersed in a solder bath of 260C for 10 seconds. Tested for solderability at 235C for 2 seconds. No leaching at 260C for 30 seconds.
Test and Requirements (JIS C 5201-1 : 1998)
| Requirement | Test Procedure | Criteria |
| DC resistance | Clause 4.5, measured at specified test voltages | Within the specified tolerance; < 50m for Jumper |
| Temperature Coefficient of Resistance (T.C.R) | Clause 4.8 | Refer to QUICK REFERENCE DATA |
| Short time overload (S.T.O.L) | Clause 4.13, 5-second application of 2.5x RCWV or max overload voltage | R/R max. (2%+0.10); < 50m |
| Resistance to soldering heat(R.S.H) | Clause 4.18, 101 sec. in SAC solder bath at 2605 | R/R max. (1%+0.05); no visible damage; < 50m |
| Solderability | Clause 4.17, 20.5 sec. in SAC solder bath at 2355 | Good tinning (>95% covered); no visible damage |
| Temperature cycling | Clause 4.19, 5 continuous cycles (-55C to +155C) | R/R max. (1%+0.05); no visible damage |
| Load life (endurance) | Clause 4.25, 1000 hours at 702C with RCWV or Vmax | R/R max.(3%+0.10) for 10R<1M; R/R max.(5%+0.10) for R<10, R1M; < 50m |
| Load life in Humidity | Clause 4.24, 1000 hours at 40C2C and 90~95% RH with RCWV or Vmax | R/R max.(3%+0.10) for 10R<1M; R/R max.(5%+0.10) for R<10, R1M; < 50m |
| Adhesion | Clause 4.32, 5N Pressurizing force for 101sec | No remarkable damage or removal of the terminations. |
| Insulation Resistance | Clause 4.6, Max. overload voltage (DC) for 1 minute | R10G |
| Dielectric Withstand Voltage | Clause 4.7, Max. overload voltage (AC) for 1 minute | No breakdown or flashover |
Test Condition for Jumper (0 )
| Item | WA04Y | WA04X | WA06X | WA06W | WA06T |
| Power Rating At 70C | 1/16W | 1/16W | 1/10W | 1/16W | 1/10W |
| Resistance | MAX.50m | MAX.50m | MAX.50m | MAX.50m | MAX.50m |
| Rated Current | 1A | 1A | 1A | 2A | 1A |
| Peak Current | 1.5A | 1.5A | 3A | 3A | 3A |
| Operating Temperature | -55~155C | -55~155C | -55~155C | -55~155C | -55~155C |
Catalogue Numbers
Format: WA X XXXX X X L
Size code: 06 (0603), 04 (0402)
Type code: X (x4, Convex), Y (x2, Convex), W (x8, Convex), T (x4, Concave)
Resistance code: 5% E24 (2 digits + no. of zeros, e.g., 4.7 =4R7_, 10 =100_), 1% E24+E96 (3 digits + no. of zeros, e.g., 100 =1000)
Tolerance: F (1%), J (5%), P (Jumper)
Packaging code: T (7 Reel taping), B (Bulk)
Termination code: L (Sn base, lead free)
Packaging
WA06X, WA06T: 8mm width paper taping, 5000pcs/reel; Bulk: 5000pcs/polybag.
WA06W: 12mm width paper taping, 5000pcs/reel; Bulk: 5000pcs/polybag.
WA04X, WA04Y: 8mm width paper taping, 10,000pcs/reel.
2410121521_Walsin-WA04X511JTL_C396833.pdf
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