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TXS2SA-4.5V-Z.
RELAY, SIGNAL, DPDT, 30VDC, 1A
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: PANASONIC
- Product type: Signal Relays
- Coil Voltage:4.5VDC; Contact Configuration:DPDT; Contact Current:1A; Product Range:TX-S Series; Relay Mounting:Surface Mount; Coil Type:Non Latching; Relay Terminals:Solder; Contact Voltag
| Delivery and price | |
|---|---|
| Units per pack | 2500 |
| Price | 2.69 € |
| Current stock | 50+ |
| Lead time | 30 days |
Datasheet
## **High sensitivity, 50 mW Nominal operating power,** TX-S RELAYS **2 Form C and 1 A relays**
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RoHS compliant<br>[<br>**----- End of picture text -----**<br>
## **FEATURES**
## **1. High sensitivity and Nominal operating power of 50mW**
## **2. Compact size**
- 15.0 (L) × 7.4 (W) × 8.2 (H) mm
- .591 (L) × .291 (W) × .323 (H) inch
## **3. High contact reliability**
- High contact reliability is achieved by the use of gold-clad twin crossbar contacts, low-gas formation materials, mold sealing the coil section, and by controlling organic gas in the coil.
## **TYPICAL APPLICATIONS**
**1. Communications**
- **(XDSL, Transmission)**
**2. Measurement**
**3. Security**
**4. Home appliances, and audio/visual equipment**
**5. Medical equipment**
- ***We also offer a range of products with AgPd contacts suitable for use in low level load analog circuits**
- **(Max. 10V DC 10 mA).**
## **4. Outstanding surge resistance.**
- 1,500 V 10×160 μsec. (FCC part 68)
- (open contacts)
- 2,500 V 2×10 μsec. (Telcordia)
- (contact and coil)
**5. Low thermal electromotive force**
**(approx. 0.3** μ **V)**
## **ORDERING INFORMATION**
**TXS 2** Contact arrangement 2: 2 Form C Surface-mount availability Nil: Standard PC board terminal type SA: SA type Operating function Nil: Single side stable LT: 2 coil latching Terminal shape Nil: Standard PC board terminal or surface-mount terminal Nominal coil voltage (DC) 3, 4.5, 6, 9, 12, 24V Contact material Nil: Standard contact (Ag+Au clad) 1: AgPd contact (low level load); AgPd+Au clad (stationary), AgPd (movable) Packing style Nil: Tube packing X: Tape and reel (picked from 1/3/4/5-pin side) Z: Tape and reel packing (picked from the 8/9/10/12-pin side)
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## **TYPES**
## **1. Standard PC board terminal**
|Contact<br>arrangement|Nominal coil<br>voltage|Single side stable|2 coil latching|
|---|---|---|---|
|||Part No.|Part No.|
|2 Form C|3 V DC|TXS2-3V|TXS2-LT-3V|
||4.5 V DC|TXS2-4.5V|TXS2-LT-4.5V|
||6 V DC|TXS2-6V|TXS2-LT-6V|
||9 V DC|TXS2-9V|TXS2-LT-9V|
||12 V DC|TXS2-12V|TXS2-LT-12V|
||24 V DC|TXS2-24V|TXS2-LT-24V|
Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).
## **2. Surface-mount terminal**
## 1) Tube packing
|Contact<br>arrangement|Nominal coil<br>voltage|Single side stable|2 coil latching|
|---|---|---|---|
|||Part No.|Part No.|
|2 Form C|3 V DC|TXS2SA-3V|TXS2SA-LT-3V|
||4.5 V DC|TXS2SA-4.5V|TXS2SA-LT-4.5V|
||6 V DC|TXS2SA-6V|TXS2SA-LT-6V|
||9 V DC|TXS2SA-9V|TXS2SA-LT-9V|
||12 V DC|TXS2SA-12V|TXS2SA-LT-12V|
||24 V DC|TXS2SA-24V|TXS2SA-LT-24V|
Standard packing: Tube: 40 pcs.; Case: 1,000 pcs.
Note: Please add “-1” to the end of the part number for AgPd contacts (low level load).
## 2) Tape and reel packing
|Contact<br>arrangement|Nominal coil<br>voltage|Single side stable|2 coil latching|
|---|---|---|---|
|||Part No.|Part No.|
|2 Form C|3 V DC|TXS2SA-3V-Z|TXS2SA-LT-3V-Z|
||4.5 V DC|TXS2SA-4.5V-Z|TXS2SA-LT-4.5V-Z|
||6 V DC|TXS2SA-6V-Z|TXS2SA-LT-6V-Z|
||9 V DC|TXS2SA-9V-Z|TXS2SA-LT-9V-Z|
||12 V DC|TXS2SA-12V-Z|TXS2SA-LT-12V-Z|
||24 V DC|TXS2SA-24V-Z|TXS2SA-LT-24V-Z|
Standard packing: Tape and reel: 500 pcs.; Case: 1,000 pcs.
Notes: 1. Tape and reel packing symbol “-Z” is not marked on the relay. “X” type tape and reel packing (picked from 1/2/3/4-pin side) is also available. 2. Please add “-1” to the end of the part number for AgPd contacts (low level load). (Ex. TXS2SA-3V-1-Z)
## **RATING**
## **1. Coil data**
## 1) Single side stable
|Nominal coil<br>voltage|Pick-up voltage<br>(at 20°C68°F)|Drop-out voltage<br>(at 20°C68°F)|Nominal operating<br>current<br>[±10%] (at 20°C68°F)|Nominal operating<br>current<br>[±10%] (at 20°C68°F)|Coil resistance<br>[±10%] (at 20°C68°F)|Coil resistance<br>[±10%] (at 20°C68°F)|Nominal operating<br>power|Nominal operating<br>power|Max. applied voltage<br>(at 20°C68°F)|
|---|---|---|---|---|---|---|---|---|---|
|3 V DC|80%V or less of<br>nominal voltage*<br>(Initial)|10%V or more of<br>nominal voltage*<br>(Initial)|16.7 mA||180Ω||50 mW||150%V of<br>nominal voltage|
|4.5 V DC|||11.1 mA||405Ω|||||
|6 V DC|||8.3 mA||720Ω|||||
|9 V DC|||5.6 mA||1,620Ω|||||
|12 V DC|||4.2 mA||2,880Ω|||||
|24 V DC|||2.9 mA||8,229Ω||70 mW|||
|2)2 coil latching||||||||||
|Nominal coil<br>voltage|Set voltage<br>(at 20°C68°F)|Reset voltage<br>(at 20°C68°F)|Nominal operating<br>current<br>[±10%] (at 20°C68°F)||Coil resistance<br>[±10%] (at 20°C68°F)||Nominal operating<br>power||Max. applied voltage<br>(at 20°C68°F)|
||||Set coil|Reset coil|Set coil|Reset coil|Set coil|Reset coil||
|3 V DC|80%V or less of<br>nominal voltage*<br>(Initial)|80%V or less of<br>nominal voltage*<br>(Initial)|23.3 mA|23.3 mA|129Ω|129Ω|70 mW|70 mW|150%V of<br>nominal voltage|
|4.5 V DC|||15.6 mA|15.6 mA|289Ω|289Ω||||
|6 V DC|||11.7 mA|11.7 mA|514Ω|514Ω||||
|9 V DC|||7.8 mA|7.8 mA|1,157Ω|1,157Ω||||
|12 V DC|||5.8 mA|5.8 mA|2,057Ω|2,057Ω||||
|24 V DC|||6.3 mA|6.3 mA|3,840Ω|3,840Ω|150 mW|150 mW||
*Pulse drive (JIS C 5442-1986)
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## **2. Specifications**
|Characteristics|Item|Item|Specifcations|
|---|---|---|---|
|Contact|Arrangement||2 Form C|
||Initial contact resistance, max.||Max. 100 mΩ (Byvoltage drop6 V DC 1A)|
||Contact material||Standard contact: Ag+Au clad,<br>AgPd contact(low level load): AgPd+Au clad(stationary), AgPd(movable)|
|Rating|Nominal switchingcapacity||1 A 30 V DC(resistive load)|
||Max. switching power||30 W(DC) (resistive load)|
||Max. switchingvoltage||110V DC|
||Max. switchingcurrent||1 A|
||Min. switchingcapacity (Reference value)*1||10μA 10mV DC|
||Nominal operating<br>power|Single side stable|50 mW(3 to 12 V DC), 70 mW(24 V DC)|
|||2 coil latching|70 mW(3 to 12 V DC), 150 mW(24 V DC)|
|Electrical<br>characteristics|Insulation resistance(Initial)||Min. 1,000MΩ (at 500V DC)Measurement at same location as “Initial breakdown voltage” section.|
||Breakdown voltage<br>(Initial)|Between open contacts|750 Vrms for 1min.(Detection current: 10mA)|
|||Between contact and coil|1,800 Vrms for 1min.(Detection current: 10mA)|
|||Between contact sets|1,000 Vrms for 1min.(Detection current: 10mA)|
||Surge breakdown<br>voltage (Initial)|Between open contacts|1,500 V(10×160μs) (FCC Part 68)|
|||Between contacts and coil|2,500 V(2×10μs) (Telcordia)|
||Temperature rise (at|20°C68°F)|Max. 50°C<br>(Byresistive method, nominal coil voltage applied to the coil; contact carryingcurrent: 1A.)|
||Operate time[Set time] (at 20°C68°F)||Max. 5 ms[Max. 5 ms] (Nominal coil voltage applied to the coil, excludingcontact bounce time.)|
||Release time [Reset time] (at 20°C68°F)||Max. 5 ms [Max. 5 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.)<br>(without diode)|
|Mechanical<br>characteristics|Shock resistance|Functional|Min. 750 m/s2 (Half-wavepulse of sine wave: 6 ms; detection time: 10μs.)|
|||Destructive|Min. 1,000 m/s2 (Half-wavepulse of sine wave: 6 ms.)|
||Vibration resistance|Functional|10 to 55 Hz at double amplitude of 3.3 mm(Detection time: 10μs.)|
|||Destructive|10 to 55 Hz at double amplitude of 5 mm|
|Expected life|Mechanical||Min. 5×107 (at 180 cpm)|
||Electrical(Standard|contact)|Min. 2×105 (1 A 30 V DC resistive) (at 20 cpm)|
|Conditions|Conditions for operation, transport and storage*2||Ambient temperature: –40°C to +70°C–40°F to +158°F;<br>Humidity: 5 to 85% R.H.(Not freezingand condensingat low temperature)|
||Max. operatingspeed(at rated load)||20 cpm|
|Unit weight|||Approx. 2g .071 oz|
Notes: *1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. AgPd contact type is available for low level load switching (10V DC, 10mA max. level). *2 Refer to “AMBIENT ENVIRONMENT” in GENERAL APPLICATION GUIDELINES.
## **REFERENCE DATA**
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1. Maximum switching capacity 2. Life curve 3. Mechanical life<br>Tested sample: TXS2-4.5V, 10 pcs.<br>Operating speed: 180 cpm<br>100<br>DC resistive load 90<br>(cos = 1)φ 100 30V DC resistive load 80 Pick-up voltage<br>1.0 70 Ma x.<br>60<br>Min.<br>0.5 50<br>0.4 40<br>0.3 10 Drop-out voltage<br>30<br>Max.<br>0.2 20 Min.<br>10<br>0<br>30 100 200 0 0.5 1.0 10 100 1,000 5,000<br>Contact voltage, V Switching current, A No. of operations, ×104<br>410<br>×<br>Contact current, A<br>No. of operations<br>Ratio against the rated voltage, %V<br>**----- End of picture text -----**<br>
1. Maximum switching capacity
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## 4. Electrical life (1 A 30 V DC resistive load)
## 5-(1). Coil temperature rise
Tested sample: TXS2-4.5V, 6 pcs. Operating speed: 20 cpm
Tested sample: TXS2-4.5V, 6 pcs. Point measured: Inside the coil Ambient temperature: 25°C 77°F, 70°C 158°F°C 77°F, 70°C 158°FC 77°F, 70°C 158°F77°F, 70°C 158°F°F, 70°C 158°FF, 70°C 158°F, 70°C 158°F°C 158°FC 158°F158°F°FF
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Change of pick-up and drop-out voltage Change of contact resistance Ambient temperature: 25°C 77°F, 70°C 158°F°C 77°F, 70°C 158°FC 77°F, 70°C 158°F77°F, 70°C 158°F°F, 70°C 158°FF, 70°C 158°F, 70°C 158°F°C 158°FC 158°F158°F°FF<br>100 100 30<br>90 90 Room temperature +70°C +158°F :x :x<br>80 80<br>Pick-up voltage<br>70 Max. 70<br>20<br>Min.<br>60 60<br>50 50<br>Max.<br>40 40 1A1A<br>30 30 Min. 10 0A<br>Drop-out voltage 0A<br>20 Max. 20<br>Min.<br>10 10<br>0 0 0<br>0 5 10 15 20 0 5 10 15 20 90 100 110 120 130 140 150 160<br>No. of operations, ×104 No. of operations, ×104 Coil applied voltage, %V<br>5-(2). Coil temperature rise 6-(1). Operate and release time (with diode) 6-(2). Operate and release time (without diode)<br>Tested sample: TXS2-24V, 6 pcs. Tested sample: TXS2-4.5V, 10 pcs. Tested sample: TXS2-4.5V, 10 pcs.<br>Point measured: Inside the coil<br>Ambient temperature: 25°C 77°F, 70°C 158°F<br>30 7 7<br>Room tempera+70°C +158°F tu:xre :x 6 Operate timeRelease time 6 Operate timeRelease time<br>5 Max. 5 Max.<br>20<br>1A 4 Min. 4 Min.<br>1A<br>0A 3 Max. 3<br>10 0A Min.<br>2 2<br>Max.<br>1 1 Min.<br>0 0 0<br>90 100 110 120 130 140 150 160 80 90 100 110 120 80 90 100 110 120<br>Coil applied voltage, %V Coil applied voltage, %V Coil applied voltage, %V<br>7. Ambient temperature characteristics 8-(1). High frequency characteristics 8-(2). High frequency characteristics<br>Tested sample: TXS2-4.5V, 5 pcs. (Isolation) (Insertion loss)<br>Tested sample: TXS2-4.5V, 2 pcs. Tested sample: TXS2-4.5V, 2 pcs.<br>30<br>Drop-out<br>20 voltage x<br>x<br>100<br>10<br>Pick-up voltage 1.0<br>–40 –20 0 20 40 60 80 0.8<br>Ambient<br>–10 temperature, °C 50 0.6<br>–20<br>0.4<br>–30 0.2<br>10 100 1,000 10 100 1,000<br>Frequency, MHz Frequency, MHz<br>9-(1). Malfunctional shock (single side stable) 9-(2). Malfunctional shock (latching) 10. Thermal electromotive force<br>Tested sample: TXS2-4.5V, 6 pcs. Tested sample: TXS2-LT-4.5V, 6 pcs. Tested sample: TXS2-4.5V, 10 pcs.<br>20<br>YY’ Z’ Z X X’ 1000m/s2 Y Deenergized conditionEnergized condition YY’Z’ Z X X’ 1000m/s2 Y Reset stateSet state 1816 x = 0.30<br>X Z X Z 14<br>1000m/s2 1000m/s2 1000m/s2 1000m/s2 12<br>10<br>1000m/s2 1000m/s2 1000m/s2 1000m/s2 8<br>Z’ X’ Z’ X’ 6<br>4<br>1000m/s2 1000m/s2<br>Y’ Y’ 2<br>0<br>0 0.15 0.25 0.35 0.45 0.55<br>Thermal electromotive force, μV<br>Ω CTemperature rise, °<br>Contact resistance, m<br>Ratio against the rated voltage, %V<br>CTemperature rise, °<br>Operate and release time, ms Operate and release time, ms<br>Rate of change, %<br>Isolation, dB Insertion loss, dB<br>Quantity, n<br>**----- End of picture text -----**<br>
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11-(1). Influence of adjacent mounting Tested sample: TXS2-4.5V, 6 pcs.
11-(2). Influence of adjacent mounting Tested sample: TXS2-4.5V, 6 pcs.
## 11-(3). Influence of adjacent mounting
Tested sample: TXS2-4.5V, 6 pcs.
**==> picture [496 x 138] intentionally omitted <==**
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15 15 15<br>ON<br>ON ON ON<br>10 10 10<br>RRRRRERE BRRRREEE 1 LET LTT ON ifn ,<br>5 Pick-up voltage ON 5 Pick-up voltage ON 5 Pick-up voltage ON<br>| 0 TT see | 0 ELL ON | 0 MT a i ON<br>Drop-out voltage OFF OFF Drop-out voltage OFF Drop-out voltage OFF<br>–5 –5 –5<br>OFF<br>To Ter &, Toh ate ,<br>–10 –10 OFF –10<br>OFF<br>OFF<br>SE) CE ) ae<br>–15 –15 OFF –15 OFF<br>0 HELL 2 4 6 8 10 LTE 12 14 16 0 LETT 2 4 6 8 10 LT 12 14 | 16 | = 0 TEL 2 4 6 8 10 ET 12 14 | 16<br>.079 .157 .236 .315 .394 .472 .551 .630 .079 .157 .236 .315 .394 .472 .551 .630 .079 .157 .236 .315 .394 .472 .551 .630<br>Inter-relay distance , mm inch Inter-relay distance , mm inch Inter-relay distance , mm inch<br>Rate of change, % Rate of change, % Rate of change, %<br>Rate of change, % Rate of change, % Rate of change, %<br>**----- End of picture text -----**<br>
12. Pulse dialing test (35 mA 48V DC wire spring relay load) Tested sample: TXS2-4.5V, 6 pcs.
## Change of pick-up and drop-out voltage
## Change of contact resistance
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100 100<br>90 pt | 90 Ft |<br>80 Pick-up voltage 80<br>458Ω 70 Ff —| | + Max.Min. 70 P| |<br>+ 60 60<br>0.08 0.08<br>DC48V | μF μF 2_ 4 50 ——ee 50 ae<br>3 40 40 Max.<br>– A 458Ω 30 oe Drop-out voltage 30 EES Min.<br>Wire spring relay 20 Max. 20<br>Min.<br>10 10<br>| 00 eeeP 10 i 20 ee| 30 40 50 00 | PT [tT] 10 20 30 40 50<br>No. of operation, ×104 No. of operation, ×104<br>Ω<br>Contact resistance, m<br>Ratio against the rated voltage, %V<br>**----- End of picture text -----**<br>
Note: Data of surface-mount type are the same as those of PC board terminal type.
~~me~~ **DIMENSIONS** (mm inch) The CAD data of the products with a **CAD Data** mark can be downloaded from: http://industrial.panasonic.com/ac/e/
**1. Standard PC board terminal and Self clinching terminal**
## GD **CAD Data**
**==> picture [503 x 184] intentionally omitted <==**
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External dimensions (General tolerance: ±0.3 ±.012) PC board pattern (Bottom view) (Tolerance: ±0.1 ±.004)<br>Type<br>a Single side stable type 2 coil latching type Single side stable type 2 coil latching type<br>15.00 7.40 15.00 7.40<br>.591 .291 .591 .291 2.54 10.16.400 2.54 12.7.500<br>Standard 0.65.026 8.20.323 0.65.026 8.20.323 .100 .100<br>PC board 5.08 5.08<br>terminal 0.50 0.50 .200 .200<br>.0201.15 5.08 2.54 3.50.138 5.08 0.25.010 .0201.15 5.08 2.54 3.50.138 5.08 0.25.010 8-1.0 dia.8-.039 dia. 10-1.0 dia.10-.039 dia.<br>.045 .200 .100 .200 .045 .200 .100 .200<br>Schematic (Bottom view)<br>Single side stable 2 coil latching<br>1 3 4 5 1 3 4 5 6<br>+ + +<br>it – 12 10 9 8 Th it – 12 10 9 8 7 mm! –<br>Direction indication Direction indication<br>(Deenergized condition) (Reset condition)<br>**----- End of picture text -----**<br>
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## **2. Surface-mount terminal**
## Ga=D> **CAD Data**
**==> picture [508 x 186] intentionally omitted <==**
**----- Start of picture text -----**<br>
CO External dimensions (General tolerance: ±0.3 ±.012) Suggested mounting pad (Top view) (Tolerance: ±0.1 ±.004)<br>Type<br>a Single side stable type 2 coil latching type Single side stable type 2 coil latching type<br>15 7.4 15 7.4 5.08 2.54 5.08 2.54<br>.591 8.2.323 .3318.4 .291 .591 8.2.323 .3318.4 .291 3.16.124.0391 .200 .100 3.16.124 .0391 .200 .100<br>SA type 0.5 0.65.026 5.08.200 0.2.01 5 0 0.5 0.65.026 5.08.200 0.2.01 5 0 7.24.285 7.24.285<br>.020 5.08 | 2.54 9.4±0.5 .020 5.08 2.54 9.4±0.5 ++} 4—- ---Hy<br>.200 .100 l .370 al ±.020 .200 i .100 .370 e ± l .020 #08 e-0985+<br>Schematic (Top view)<br>Single side stable 2 coil latching<br>12 10 9 8 12 10 9 8 7<br>fib_ 1 3 4 5 TTA 1 3 4 5 6<br>Direction indication Direction indication<br>(Deenergized condition) (Reset condition)<br>**----- End of picture text -----**<br>
## **NOTES**
## **1. Packing style**
## **2. Automatic insertion**
1) The relay is packed in a tube with the relay orientation mark on the left side, as shown in the figure below.
To maintain the internal function of the relay, the chucking pressure should not exceed the values below.
Chucking pressure in the direction A: 4.9 N {500gf} or less Chucking pressure in the direction B: 9.8 N {1 kgf} or less Chucking pressure in the direction C: 9.8 N {1 kgf} or less
Orientation (indicates PIN No.1) stripe
Stopper (gray) Stopper (green)
2) Tape and reel packing (surface-mount terminal type)
C B A = aza. Please chuck the portion. Avoid chucking the center of the relay. In addition, excessive chucking pressure to the pinpoint of the relay should be avoided.
(1) Tape dimensions
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mm inch<br>Relay polarity bar(Z type) .0591.5 +0.1 0+.004 0 dia.dia. .072.09 .1574.0 .0691.75 .0160.4<br>C<br>A B 11.5<br>.453 15.5<br>.610<br>RelaysTape coming out direction VY — 16.0.630 10.0 .394D .94524.0 [±][±][0.3][.012] .3629.2±±0.2.008<br>**----- End of picture text -----**<br>
(2) Dimensions of plastic reel
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mm inch For general cautions for use,<br>please refer to the “Cautions for<br>use of Signal Relays” or “General<br>.0792.0 Application Guidelines”.<br>| a<br>380 dia.<br>13 dia. 21 dia. 14.961 dia.<br>.512 dia. .827 dia.<br>80 dia.<br>Cd . 3.150 dia.<br>**----- End of picture text -----**<br>
ASCTB15E 201407-T
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Updated at June 10, 2026
Panasonic Industry is a global leader in the design and manufacture of high-quality electronic components. Renowned for a commitment to continuous innovation, the company provides the essential building blocks that empower modern engineering. From industrial automation to consumer electronics, Panasonic's components are trusted worldwide for their outstanding reliability, efficiency, and long-term performance. The extensive portfolio is anchored by a massive selection of passive components, featuring an industry-leading range of aluminium electrolytic, film, and polymer capacitors. Alongside these advanced capacitance solutions, engineers rely on Panasonic's robust power inductors and a highly versatile array of electromechanical devices, including solid-state, power, and signal relays engineered to excel in demanding environments. Beyond core passives and switching solutions, the offering encompasses critical circuit protection devices such as TVS varistors and NTC thermistors, as well as sophisticated thermal management materials. Panasonic also delivers precision light and motion sensors, highly reliable batteries, and advanced Bluetooth and WLAN connectivity modules, providing a comprehensive ecosystem of components to support next-generation technological design.
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