Product Overview
The SM91542AL BMS Transformer is an automotive-grade, RoHS and AEC-Q200 compliant component designed for Battery Management Systems (BMS). It features an improved design for automation, a working voltage of 1000 VDC, and a Hi-Pot rating of 4300 VDC. This single-channel transformer includes an integrated choke and functional insulation, making it suitable for use with Analog Devices Model LTC6804/681X, NXPs Model MC3377X, and Texas Instruments Model BQ79616.
Product Attributes
- Brand: Bourns
- Model: SM91542AL
- Compliance: RoHS, Halogen Free, AEC-Q200 Compliant
- Insulation Type: Functional Insulation
- Certifications: Automotive Grade
Technical Specifications
| Specification | Value |
|---|---|
| Working Voltage | 1000 VDC |
| Hi-Pot (1 mA, 60 S) | 4300 VDC |
| Operating Temperature | -40 C to +125 C |
| Storage Temperature (Component) | -50 C to +125 C |
| OCL (100 kHz / 0.1 V) (-40 C to +125 C) | 150-450 H |
| Leakage Inductance (100 kHz / 0.1 V) | 0.5 H max. |
| DCR Transformer Side | 0.45 max. |
| DCR CM Choke Side | 0.85 max. |
| Cww | 20 pF max. |
| Turns Ratio | 1 : 1 2 % |
| Insertion Loss @ 4 MHz | -0.25 dB max. |
| Return Loss (Z out = 100 ) @ 4 MHz | -22 dB min. |
| CMRR @ 1-100 MHz | -35 dB min. |
| CMRR @ 100-200 MHz | -28 dB min. |
| Moisture Sensitivity Level | 1 |
| Packaging Specification | Tape & Reel, 800 pcs. per 13-inch reel |
How To Order
SM91542 A L - E
- Model: SM91542
- AEC-Q200 Compliancy Designator: A
- Termination: L = Tin (RoHS Compliant)
- Packaging: E = 800 pcs. per 13-inch Reel
Product Dimensions
Dimensions: MM (INCHES)
| Dimension | Value |
|---|---|
| Length | 7.62 0.25 (.300 .010) |
| Width | 6.73 0.25 (.265 .010) |
| Height | 5.72 (.225) MAX. |
| Pin Spacing | 2.54 0.13 (.100 .005) |
| Pin Diameter | 0.25 0.06 (.010 .002) |
Solder Profile (Pb-Free Assembly)
| Profile Feature | Specification |
|---|---|
| Average Ramp-Up Rate | 3 C / second max. |
| PREHEAT: Temperature Min. (Tsmin) | 150 C |
| PREHEAT: Temperature Max. (Tsmax) | 200 C |
| PREHEAT: Time (Tsmin to Tsmax) | 60~180 seconds |
| Liquidus Temperature (TL) | 217 C |
| Time Above Liquidus Temperature (tL) | 60~150 seconds |
| Peak Temperature (Tp) | 245-250 C |
| Time within 5 C of Actual Peak Temperature (tp) | 20~40 seconds |
| Ramp-Down Rate from Peak Temperature | 6 C / second max. |
| Time 25 C to Peak Temperature (Tp) | 8 minutes max. |
| Do Not Exceed | 250 C |
PRODUCT TECHNICAL LIBRARY | INVENTORY | SAMPLES | CONTACT
Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 Email: americus@bourns.com
2411280022_BOURNS-SM91542AL-E_C19947541.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
