Shenzhen Saef Technology Ltd.
| Payment Terms | T/T, PayPal, T/T 50% deposit, 50% before shipment |
| Supply Ability | 30,000,000 units / month |
| Delivery Time | 1–5 weeks after order confirmation |
| Packaging Details | Export-ready carton box |
| Technology | Electrophoretic E-ink (Bi-stable) |
| Screen Size | 2.13 inch (54.1 mm diagonal) |
| Special Features: | Integrated Frontlight |
| Resolution | 122 (H) × 250 (V) pixels | 130 DPI |
| Interface | Configurable SPI (3-w/4-w via BS1 pin) |
| Refresh Time | Full Update: 1.8 sec; Partial Update: 0.3 sec |
| Active Area | 23.7 × 48.55 （mm） |
| Color | Monochrome (Black/White) |
| Power Supply | 10.5 mW (Typ.) |
| Viewing Angle | 180° (Ultra-wide) |
| Optical | Reflectivity: 35% (Typ.) |
| Operating Temp | 0°C to +50°C |
| Storage Temp. | -25°C to +60°C |
| Compliance | REACH & RoHS Compliant & Halogen Free |
| Customization: | CTP optional via I²C, OCA lamination support |
| Reliability | Validated for 240 hrs at 90% RH, ±8kV ESD, UV exposure |
| Brand Name | SAEF |
| Model Number | SFE213RJBW-7307A |
| Certification | ISO9001 / ISO14000 |
| Place of Origin | ShenZhen / China |
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Product Specification
| Payment Terms | T/T, PayPal, T/T 50% deposit, 50% before shipment | Supply Ability | 30,000,000 units / month |
| Delivery Time | 1–5 weeks after order confirmation | Packaging Details | Export-ready carton box |
| Technology | Electrophoretic E-ink (Bi-stable) | Screen Size | 2.13 inch (54.1 mm diagonal) |
| Special Features: | Integrated Frontlight | Resolution | 122 (H) × 250 (V) pixels | 130 DPI |
| Interface | Configurable SPI (3-w/4-w via BS1 pin) | Refresh Time | Full Update: 1.8 sec; Partial Update: 0.3 sec |
| Active Area | 23.7 × 48.55 （mm） | Color | Monochrome (Black/White) |
| Power Supply | 10.5 mW (Typ.) | Viewing Angle | 180° (Ultra-wide) |
| Optical | Reflectivity: 35% (Typ.) | Operating Temp | 0°C to +50°C |
| Storage Temp. | -25°C to +60°C | Compliance | REACH & RoHS Compliant & Halogen Free |
| Customization: | CTP optional via I²C, OCA lamination support | Reliability | Validated for 240 hrs at 90% RH, ±8kV ESD, UV exposure |
| Brand Name | SAEF | Model Number | SFE213RJBW-7307A |
| Certification | ISO9001 / ISO14000 | Place of Origin | ShenZhen / China |
| High Light | 2.13 inch E Ink display module ，ultra-low power e-paper display ，industrial-grade SPI e-paper module | ||
Industrial-Grade E Ink Display for Harsh Environments
The SFE213RJBW-7307A is a 2.13-inch monochrome electrophoretic display (EPD) engineered for demanding industrial applications, including Electronic Shelf Labels (ESL), portable medical devices, and IoT edge systems. With an ultra-low deep sleep current (<1μA) and configurable SPI interfaces (4-wire or 3-wire), this module enables years of battery life while minimizing MCU resource overhead.
Precision Engineering for Factory Integration
Reliability: Validated under IEC 60068-2 standards for thermal shock (-25°C ↔ +70°C), humidity (90% RH), and vibration.
Supply Chain Stability: Manufactured in ISO 9001/14001-certified facilities in Shenzhen, China, with traceable component sourcing (Taiyo Yuden inductors, OnSemi diodes).
Design Support: Includes reference circuits (Page 19), LUT waveforms, and AC timing diagrams (Page 13) for rapid PCB integration.
Technical Differentiation vs. Generic Displays
Partial Refresh (0.3s): 6× faster than full refresh (1.8s) for dynamic ESL price updates.
On-Chip Power Management: Integrated boosters/regulators for VCOM, VGH, VGL – no external PMIC required.
ESD Hardened: IEC61000-4-2 compliant (4kV contact/8kV air) for factory handling robustness.
Ideal for US/German Engineering Teams
Automated ESL Systems: SPI daisy-chaining support for large-scale deployments.
Medical/Logistics Tools: Wide temperature range (-25°C to +60°C storage) for cold-chain compliance.
Longevity Focused: 50,000+ update cycles with bi-stable zero-power image retention.
Ordering & Compliance
MOQ: 1,000 units (custom volumes available).
Lead Time: 4–6 weeks (air freight to EU/US).
Documentation: Full REACH/RoHS test reports, IPC-compliant packaging (480pcs/box).
▶ Download Datasheet in this page.
▶ Request CTP Samples: Custom touch solutions with 20-day lead time.
Mechanical Specifications
| Parameter | Specifications | Unit | Remark |
| Screen Size | 2.13 | Inch | |
| Display Resolution | 122(H)×250(V) | Pixel | Dpi:130 |
| Active Area | 23.7×48.55 | mm | |
| Pixel Pitch | 0. 1943×0.1942 | mm | |
| Pixel Configuration | Retangle | ||
| Outline Dimension | 29.2(H)×59.2 (V) ×0.9(D) | mm | |
| Weight | TBD | g |
Absolute Maximum Ratings
| Parameter | Symbol | Rating | Unit |
| Logic supply voltage | VCI | -0.3 to +6.0 | V |
| Logic Input voltage | VIN | -0.3 to VCI +0.3 | V |
| Logic Output voltage | VOUT | -0.3 to VCI +0.3 | V |
| Operating Temp range | TOPR | 0 to +50 | ºC |
| Storage Temp range | TSTG | -25 to+60 | ºC |
| Optimal Storage Temp | TSTGo | 23±2 | ºC |
| Opt ma Storage Hum ty | HSTGo | 55±10 | RH |
Panel DC Characteristics
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit | |
| Single ground | GND | - | - | 0 | - | V | |
| IO Supply Voltage | VDDIO | - | 2.3 | 3.3 | 3.6 | V | |
| Digital/Analog supply voltage | VDD | - | 2.3 | 3.3 | 3.6 | V | |
| High level input voltage | Vih | - | 0.7VDDIO | - | VDDIO | V | |
| Low level input voltage | Vil | - | 0 | - | 0.3VDDIO | V | |
| High level output voltage | Voh | IOH = 400uA | VDDIO-0.4 | - | - | V | |
| Low level output voltage | Vol | IOL = -400uA | 0 | - | 0.4 | V | |
| OTP program power | VPP | - | 7.5 | 7.75 | 8.0 | V | |
| VCOM output voltage | VCOM | -4.0 | - | -0.1 | V | ||
| Positive Gate voltage | VGH | + 17 | - | +20 | V | ||
| Negative Gate voltage | VGL | -20 | - | -17 | V | ||
| Positive Source voltage | VDH | +2.4 | +15 | + 15 | V | ||
| Positive Source voltage | VSHR | +2.4 | +5 | + 15 | V | ||
| Negative Source output voltage | VDL | -15 | -15 | -2.4 | V | ||
Optical Specifications
| Symbol | Parameter | Conditions | Values | Units | ||
| Min . | Typ. | Max | ||||
| R | White Reflectivity | White | 30 | 35 | - | % |
| CR | Contrast Ratio | - | 8 | 15 | - | |
| T update_ RS | Update time | 25℃ | - | 0.3-1.8 | - | sec |
Input /Output Pin Assignment
| No | Name | I/O | Description |
| 1 | NC | Do not connect with other NC pins | |
| 2 | GDR | O | N- Channel MOSFET Gate Drive Control |
| 3 | RESE | P | Current Sense Input for the Control Loop |
| 4 | NC | Do not connect with other NC pins | |
| 5 | VDHR | P | Positive source voltage |
| 6 | TSCL | O | I 2 C Interface to digital temperature sensor Clock pin |
| 7 | TSDA | I/O | I2C Interface to digital temperature sensor Data pin |
| 8 | BS | I | Bus Interface selection pin |
| 9 | BUSY_N | O | Busy state output pin |
| 10 | RST_N | I | Reset signal input. Active Low . |
| 11 | DC | I | Data /Command control pin |
| 12 | CSB | I | Chip select input pin |
| 13 | SCL | I | Serial Clock pin (SPI) |
| 14 | SDA | I/O | Serial Data pin (SPI) |
| 15 | VDDIO | P | IO voltage supply |
| 16 | VDD | P | Digital/Analog power |
| 17 | GND | P | Digital ground |
| 18 | VDDD | P | 1.8V voltage input &output |
| 19 | VPP | P | Power Supply for OTP Programming |
| 20 | VDH | P | Positive source voltage |
| 21 | VGH | P | Positive gate voltage |
| 22 | VDL | P | Negative source voltage |
| 23 | VGL | P | Negative gate voltage |
| 24 | VCOM | O | VCOM driving voltage |
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
40000000-50000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t... Founded in 2007, ShenZhen SAEF Technology Co., Ltd is committed to manufacturing and developing high-quality products for industrial LCD display, including TFT LCD, OLED, monochrome TN/STN/FSTN LCM display modules and system integration solutions. Saef Technology has become a leading enterprise in t...
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