Transient Voltage Suppressor ChipNobo SMAJ8.5CA-TR-CN 400W Peak Pulse Power Glass Passivated Device
Key Attributes
Model Number:
SMAJ8.5CA-TR-CN
Product Custom Attributes
Peak Pulse Current (Ipp):
27.78A@10/1000us
Peak Pulse Power Dissipation (Ppp):
400W@10/1000us
Clamping Voltage:
14.4V
Reverse Leakage Current (Ir):
10uA
Polarity:
Bidirectional
Reverse Stand-Off Voltage (Vrwm):
8.5V
Operating Temperature:
-55℃~+150℃
Mfr. Part #:
SMAJ8.5CA-TR-CN
Package:
SMA
Product Description
Product Overview
The SMAJ series are glass-passivated chip devices designed for transient voltage suppression. They offer 400W peak pulse power capability with a 10/1000 s waveform and a low duty cycle of 0.01%. These devices feature low leakage, excellent clamping capability, and very fast response times. They are available in both uni-directional and bi-directional configurations and are RoHS compliant. Ideal for protecting sensitive electronic components in residential and commercial equipment.
Product Attributes
- Material: Glass passivated chip, Molded plastic (Epoxy: UL 94V-0 rate flame retardant)
- Compliance: RoHS compliant
- Lead Solderability: Per MIL-STD-750, method 2026
- Mounting: Any position
- Polarity: Color band denotes cathode end (except Bipolar)
Technical Specifications
| Part Number (Bi) | Device Marking Code | Breakdown Voltage VBR @ IT (V) | Working Peak Reverse Voltage VRWM (V) | Maximum Reverse Leakage IR @ VRWM (uA) | Maximum Clamping Voltage VC @ IPP (V) | Maximum Reverse Surge Current IPP (A) |
|---|---|---|---|---|---|---|
| SMAJ5.0CA | WE | 6.40 - 7.00 | 5.0 | 800 | 8.5 | 40 |
| SMAJ6.0CA | WG | 7.00 - 7.78 | 6.0 | 800 | 9.2 | 43.48 |
| SMAJ6.5CA | WK | 7.22 - 7.98 | 6.5 | 500 | 10.3 | 38.83 |
| SMAJ7.0CA | WM | 7.78 - 8.60 | 7.0 | 200 | 11.2 | 35.71 |
| SMAJ7.5CA | WP | 8.33 - 9.21 | 7.5 | 100 | 12.0 | 33.33 |
| SMAJ8.0CA | WR | 8.89 - 9.83 | 8.0 | 50 | 12.9 | 31.01 |
| SMAJ8.5CA | WT | 9.44 - 10.40 | 8.5 | 10 | 13.6 | 29.41 |
| SMAJ9.0CA | WV | 10.00 - 11.10 | 9.0 | 5 | 14.4 | 27.78 |
| SMAJ10CA | WX | 11.10 - 12.30 | 10.0 | 5 | 15.4 | 25.97 |
| SMAJ11CA | WZ | 12.20 - 13.50 | 11.0 | 1 | 17.0 | 23.53 |
| SMAJ12CA | XE | 13.30 - 14.70 | 12.0 | 1 | 18.2 | 21.98 |
| SMAJ13CA | XG | 14.40 - 15.90 | 13.0 | 1 | 19.9 | 20.10 |
| SMAJ14CA | XK | 15.60 - 17.20 | 14.0 | 1 | 21.5 | 18.60 |
| SMAJ15CA | XM | 16.70 - 18.50 | 15.0 | 1 | 23.2 | 17.24 |
| SMAJ16CA | XP | 17.80 - 19.70 | 16.0 | 1 | 24.4 | 16.39 |
| SMAJ17CA | XR | 18.90 - 20.90 | 17.0 | 1 | 26.0 | 15.38 |
| SMAJ18CA | XT | 20.00 - 22.10 | 18.0 | 1 | 27.6 | 14.49 |
| SMAJ19CA | XB | 21.10 - 23.30 | 19.0 | 1 | 29.2 | 13.70 |
| SMAJ20CA | XV | 22.20 - 24.50 | 20.0 | 1 | 30.8 | 13.00 |
| SMAJ22CA | XX | 24.60 - 26.90 | 22.0 | 1 | 32.4 | 12.35 |
| SMAJ24CA | XZ | 26.70 - 29.50 | 24.0 | 1 | 35.5 | 11.27 |
| SMAJ26CA | YE | 28.90 - 31.90 | 26.0 | 1 | 38.9 | 10.28 |
| SMAJ28CA | YG | 31.10 - 34.40 | 28.0 | 1 | 42.1 | 9.50 |
| SMAJ30CA | YK | 33.30 - 36.80 | 30.0 | 1 | 45.4 | 8.81 |
| SMAJ33CA | YM | 36.70 - 40.60 | 33.0 | 1 | 48.4 | 8.26 |
| SMAJ36CA | YP | 40.00 - 44.20 | 36.0 | 1 | 53.3 | 7.50 |
| SMAJ40CA | YR | 44.40 - 49.10 | 40.0 | 1 | 58.1 | 6.88 |
| SMAJ43CA | YT | 47.80 - 52.80 | 43.0 | 1 | 64.5 | 6.20 |
| SMAJ45CA | YV | 50.00 - 55.30 | 45.0 | 1 | 69.4 | 5.76 |
| SMAJ48CA | YX | 53.30 - 58.90 | 48.0 | 1 | 72.7 | 5.50 |
| SMAJ51CA | YZ | 56.70 - 62.70 | 51.0 | 1 | 77.4 | 5.17 |
| SMAJ54CA | ZE | 60.00 - 66.30 | 54.0 | 1 | 82.4 | 4.85 |
| SMAJ58CA | ZG | 64.40 - 71.20 | 58.0 | 1 | 87.1 | 4.59 |
| SMAJ60CA | ZK | 66.70 - 73.70 | 60.0 | 1 | 93.6 | 4.27 |
| SMAJ64CA | ZM | 71.10 - 78.60 | 64.0 | 1 | 96.8 | 4.13 |
| SMAJ70CA | ZP | 77.80 - 86.00 | 70.0 | 1 | 103.0 | 3.88 |
| SMAJ75CA | ZR | 83.30 - 92.10 | 75.0 | 1 | 113.0 | 3.54 |
| SMAJ78CA | ZT | 86.70 - 95.80 | 78.0 | 1 | 121.0 | 3.31 |
| SMAJ80CA | ZB | 88.80 - 97.60 | 80.0 | 1 | 126.0 | 3.17 |
| SMAJ85CA | ZV | 94.40 - 104.00 | 85.0 | 1 | 129.6 | 3.09 |
| SMAJ90CA | ZX | 100.00 - 111.00 | 90.0 | 1 | 137.0 | 2.92 |
| SMAJ100CA | ZZ | 111.00 - 123.00 | 100.0 | 1 | 146.0 | 2.74 |
| SMAJ110CA | VE | 122.00 - 135.00 | 110.0 | 1 | 162.0 | 2.47 |
| SMAJ120CA | VG | 133.00 - 147.00 | 120.0 | 1 | 177.0 | 2.26 |
| SMAJ130CA | VK | 144.00 - 159.00 | 130.0 | 1 | 193.0 | 2.07 |
| SMAJ140CA | VB | 155.00 - 171.00 | 140.0 | 1 | 209.0 | 1.91 |
| SMAJ150CA | VM | 167.00 - 185.00 | 150.0 | 1 | 226.8 | 1.76 |
| SMAJ160CA | VP | 178.00 - 197.00 | 160.0 | 1 | 243.0 | 1.65 |
| SMAJ170CA | VR | 189.00 - 209.00 | 170.0 | 1 | 259.0 | 1.54 |
| SMAJ180CA | VT | 200.00 - 220.00 | 180.0 | 1 | 275.0 | 1.45 |
| SMAJ190CA | VV | 211.00 - 232.00 | 190.0 | 1 | 291.6 | 1.37 |
| SMAJ200CA | VW | 224.00 - 247.00 | 200.0 | 1 | 307.8 | 1.30 |
| SMAJ220CA | VX | 246.00 - 272.00 | 220.0 | 1 | 324.0 | 1.23 |
| SMAJ250CA | VZ | 279.00 - 309.00 | 250.0 | 1 | 356.0 | 1.12 |
| SMAJ300CA | HE | 335.00 - 371.00 | 300.0 | 1 | 405.0 | 0.99 |
| SMAJ350CA | HG | 391.00 - 432.00 | 350.0 | 1 | 486.0 | 0.82 |
| SMAJ400CA | HK | 447.00 - 494.00 | 400.0 | 1 | 567.0 | 0.71 |
| SMAJ440CA | HM | 492.00 - 543.00 | 440.0 | 1 | 648.0 | 0.62 |
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak power dissipation with a 10/1000s waveform | PPP | 400 | W |
| Peak pulse current with a 10/1000s waveform | IPP | 40 | A |
| Power dissipation on infinite heatsink at TL = 75C | PD | 1.0 | W |
| Peak forward surge current, 8.3 ms single half sine-wave (unidirectional only) | IFSM | 40 | A |
| Maximum instantaneous forward voltage at 25 A (unidirectional only) | VF | 3.5/5.0 | V |
| Operating junction and storage temperature range | TJ, TSTG | -55 to +150 | C |
Dimensions:
- 0.192 - 0.206 inch [4.87 - 5.22 mm]
- 0.06 inch [1.51 mm]
- 0.008 inch [0.20 mm]
- 0.089 - 0.077 inch [1.96 - 2.26 mm]
- 0.099 - 0.109 inch [2.51 - 2.76 mm]
- 0.049 - 0.064 inch [1.23 - 1.63 mm]
- 0.179 - 0.162 inch [4.10 - 4.55 mm]
- 0.012 - 0.006 inch [0.15 - 0.30 mm]
Note:
- Suffix 'A' denotes 5% tolerance device. Without 'A' denotes 10% tolerance device.
- Add suffix 'CA' after part number to specify Bi-directional devices.
- For Bi-Directional devices having VR of 10 volts and under, the IR limit is double.
For additional information, please visit our website http://www.chipnobo.com, or consult your nearest Chipnobo sales office for further assistance.
2507091655_ChipNobo-SMAJ8-5CA-TR-CN_C42436835.pdf
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