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Specifications
Isolation Voltage(Vrms):
1.5kV
Inductance:
350uH
Operating Temperature:
-40℃~+125℃
Turns Ratio:
1:1
rate:
10/100 Base-T
Mfr. Part #:
SM91072AL-E
Key Attributes
Model Number:
SM91072AL-E
Product Description
Product Overview
The SM91072AL is a 10/100 Base-T transformer designed to meet IEEE 802.3u standards, offering good performance and cost-effectiveness. It features an expanded operating temperature range from -40 C to +125 C, making it suitable for demanding environments. This transformer is RoHS compliant and halogen-free, and is AEC-Q200 compliant, ensuring adherence to industry regulations and quality standards. Its robust design makes it ideal for various networking applications requiring reliable signal integrity.
Product Attributes
- Brand: Bourns
- Model Series: SM91072AL
- Compliance: IEEE 802.3u (100 Base-T), AEC-Q200, RoHS compliant, Halogen Free
- Termination Material: Cu/Ni/Sn
- Packaging: Tape and Reel
Technical Specifications
| Specification | Value | Conditions |
|---|---|---|
| OCL | 350 H Min. | 100 kHz, 0.1 V, 8 mA DC Bias |
| Leakage Inductance (TD with TX Shorted) | 0.5 H Max. | 100 kHz, 0.1 V |
| Leakage Inductance (RD with RX Shorted) | 0.5 H Max. | 100 kHz, 0.1 V |
| Turns Ratio (TD : TX) | 1 : 1 (2 %) | |
| Turns Ratio (RD : RX) | 1 : 1 (2 %) | |
| DCR (TD & RD) | 1.4 ohm Max. | |
| DCR (TX & RX) | 1.0 ohm Max. | |
| Insertion Loss (TD to TX & RD to RX) | -1.1 dB Max. | 1-100 MHz |
| Return Loss (TD to TX & RD to RX) | -16 dB Min. | 1-40 MHz, with 100 ohm load |
| Return Loss (TD to TX & RD to RX) | -10+20*log (f/80 MHz) dB Min. | 40-100 MHz, with 100 ohm load |
| Cross Talk (Between Each Channel) | -40 dB Min. | 1-60 MHz |
| Cross Talk (Between Each Channel) | -35 dB Min. | 60-100 MHz |
| Common Mode Rejection (TD to TX & RD to RX) | -37 dB Min. | 1-60 MHz |
| Common Mode Rejection (TD to TX & RD to RX) | -30 dB Min. | 60-100 MHz |
| Differential to Common Mode Rejection Ratio (TD to TX & RD to RX) | -35 dB Min. | 30 MHz |
| Differential to Common Mode Rejection Ratio (TD to TX & RD to RX) | -35 dB Min. | 60 MHz |
| Hi-Pot (TD to TX & RD to RX) | 1500 Vrms & 2250 Vdc | @ 1 mA, 60 sec. |
| Storage Temperature | -40 to +125 C | |
| Operating Temperature | -40 to +125 C | |
| Moisture Sensitivity Level | 1 | |
| Packaging Specifications | 600 pcs./reel | Tape & Reel |
| Dimensions (L x W) | 12.80 0.25 mm (0.504 0.010 in) x 8.89 0.25 mm (0.350 0.010 in) | |
| Height | 6.90 0.25 mm (0.272 0.010 in) | |
| Pin 1 Location | 1.27 0.13 mm (0.05 0.005 in) | |
| Pitch | 1.27 mm (0.05 in) Typ. | |
| Coplanarity | 0.10 mm (0.004 in) Max. |
Solder Profile Specifications (Pb Free Assembly):
- Average Ramp-up Rate: 3 C/second max.
- Preheat Temperature min. (Ts min): 150 C
- Temperature max. (Ts max): 200 C
- Time (ts min. to ts max.): 60 ~ 180 s
- Liquidus Temperature (TL): 217 C
- Time above Liquidus Temperature (tL): 60 ~ 150 s
- Peak Temperature (TP): 245-250 C
- Time within 5 C of Actual Peak Temperature (tp): 20 ~ 40 s
- Ramp-down Rate from Peak Temperature: 6 C/s max.
- Time 25 C to Peak (tTO PEAK): 8 minutes max.
2411272245_BOURNS-SM91072AL-E_C5754638.pdf
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