Tdk Corporation · TSE:6762

Tdk — Investor Presentation (July 2025)

12 slides from Tdk's investor presentation, July 2025

1. Slide 1: Multilayer SMD NTC thermistors

   Multilayer SMD NTC thermistors The preferred solution for temperature measurement and compensation TDK Electronics AG Piezo & Protection Devices Business Group Multilayer Business Unit

2. Slide 2: SMD NTC thermistors

   L2: Internal use only SMD NTC thermistors NTC (Negative Temperature Coefficient) thermistors are thermally Ceramic sensitive resistors that show a decrease in resistance as temperature increases. Terminal electrode Thanks to their excellent long-term stability, sensitivity, and accuracy, (Sn) NTC th

3. Slide 3: Resistance as a function of temperature

   L2: Internal use only SMD NTC thermistors Resistance as a function of temperature The following equations describe with sufficient accuracy the resistance dependance on temperature: 𝑇·𝑇 𝑅 𝑇·𝑇 𝑅 1 𝑑𝑅 RT Resistance value in Ω at ambient temperature 𝑅 𝑅 ·𝑒 𝐵 · ln · ln 𝛼 · 𝑇 𝑇 𝑅 𝑇 𝑇…

4. Slide 4: Temperature accuracy

   L2: Internal use only SMD NTC thermistors Temperature accuracy The R tolerance at 25°C and the B value tolerance define the tolerance of the thermistor over the temperature range 6.0 5.0 R25 Rtol B25/100 Btol T @ T @  % K % 25 °C 100 °C 4.0 3.0 10 k 1% 3455 1% ±0.3 °C ±1.3 °C 2.0 1.0 10 k 5% 3455

5. Slide 5: Ordering codes

   L2: Internal use only SMD NTC thermistors Ordering codes B57 3 32 V5 103 F 3 60 Dimensional drawings NTC thermistor Dimensions (mm) Case sizes: Case size 2 ≙ EIA chip size 0402 (1005) w EIA / mm l w h k 3 ≙ EIA chip size 0603 (1608) 0402 / 1005 1.0 ±0.1 0.5 ±0.05 0.6 max. 0.25 ±0.15 4 ≙ EIA chip siz

6. Slide 6: Standard series for non-automotive applications

   L2: Internal use only SMD NTC thermistors Standard series for non-automotive applications R25 [kW] DRR/RR[%] B25/50 [K] B25/85 [K] B25/100 [K] Ordering code 4.7 ±5 3940 3980 4000 ±3% B57221V2472J060 Features EIA CASE SIZE 10 ±0.5, ±1, ±3, ±5 3380 3435 3455 ±1% B57230V2103+260 0402 10 ±5 3940 3980 40

7. Slide 7: Standard series for non-automotive applications

   L2: Internal use only SMD NTC thermistors Standard series for non-automotive applications R25 kW DRR/RR % B25/50 B25/85 B25/100 Ordering code Features K K K 1.0 ±3, ±5 3940 3980 4000 ±3% B57421V2102+062 ● Accurate temperature sensing from -55°C to +125 °C 1.5 ±3, ±5 3940 3980 4000 ±3% B57421V2152+06

8. Slide 8: Multilayer: SMD NTC Automotive portfolio

   L2: Internal use only Multilayer: SMD NTC Automotive portfolio R25 [k] DRR/RR[%] B25/50 [K] B25/85 [K] B25/100 [K] Ordering code R25 DRR/RR B25/50 B25/85 B25/100 Ordering code k % K K K 4.7 ±5 3940 3980 4000 ±3% B57251V5472J060 EIA CASE 10 ±0.5, ±1, ±3, ±5 3380 3435 3455 ±1% B57232V5103+360 4.7 k

9. Slide 9: Overview series with tight tolerances

   L2: Internal use only SMD NTC thermistors Overview series with tight tolerances Standard series for non-automotive applications EIA R25 ΔRR B25/50 B25/85 B25/100 ΔB25/100 Ordering code case size kΩ % K K K % 402 10 ±0.5 (D), ±1 (F), ±3 (H), ±5 (J) 3380 3435 3455 ±1 B57230V2103+260 603 10 ±0,5 (D) 33

10. Slide 10: SMD NTC thermistors with soft termination

    L2: Internal use only SMD NTC thermistors with soft termination Advantages Portfolio Robustness verification  High resistance to mechanical stress by resin layers R25 RR/RR B25/50 B25/85 B25/100 EIA Ordering code  Enhanced mechanical stress robustness for special substrate k % K K K combinations

11. Slide 11: SMD NTC thermistors with high temperature up to 175° C

    L2: Internal use only SMD NTC thermistors with high temperature up to 175° C Advantages Portfolio  Multilayer SMD NTC thermistor with nickel barrier termination (AgNiSn) R25 RR/R B25/50 B25/85 B25/100 EIA Ordering code  B values specified between 25 °C and 100 °C for highest accuracy at typical k

12. Slide 12: www.tdk.com

    www.tdk.com

TDK — Investor Presentation (July 2025) on 6ix