# Zener Single Diode, CMBZ Series, 18 V, 300 mW, SOT-23, 3 Pins, 150 °C, Surface Mount
**URL**: https://novapart.co/products/CMBZ5248B/zener-single-diode-cmbz-series-18-v-300-mw-sot-23
**SKU**: CMBZ5248B
**Manufacturer**: CDIL
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Zener Single Diodes
**Price**: €0.0090
**Stock**: 10+
## Description
Zener Voltage Vz Typ:18V; Power Dissipation Pd:300mW; Diode Case Style:SOT-23; Zener Tolerance ±:5%; No. of Pins:3Pins; Operating Temperature Max:150°C; Product Range:CMBZ Series; Automotive Qual
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| No. Of Pins | 3Pins |
| Product Range | CMBZ |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOT-23 |
| Power Dissipation | 300mW |
| Zener Voltage Nom | 18V |
| Operating Temperature Max | 150°C |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:1466624/)
Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
## **SOT-23 Formed SMD Package**
## **CMBZ52XX series**
## _SILICON PLANAR ZENER DIODES_
_General purpose zener diodes_
**==> picture [77 x 94] intentionally omitted <==**
**----- Start of picture text -----**
Pin configuration
1 = ANODE
2 = NC
3 = CATHODE
2 1
3
**----- End of picture text -----**
_PACKAGE OUTLINE DETAILS ALL DIMENSIONS IN mm_
## _**Marking**_
_CMBZ5230B = 8E CMBZ5239B = 8P CMBZ5248B = 8Y CMBZ5257B= 81H 31B = 8F 40B = 8Q 49B = 8Z 32B = 8G 41B = 8R 50B = 81A 33B = 8H 42B = 8S 51B = 81B 34B = 8J 43B = 8T 52B = 81C 35B = 8K 44B = 8U 53B = 81D 36B = 8L 45B = 8V 54B = 81E 37B = 8M 46B = 8W 55B = 81F 38B = 8N 47B = 8X 56B = 81G_
_**ABSOLUTE MAXIMUM RATINGS** Working voltage range VZ nom. 4.7 to 33 V Working voltage tolerance ±5 % Total power dissipation up to Tamb = 25 °C Ptot max. 300_ mW _Junction temperature Tj max. 150 ° C_
**Data Sheet**
Page 1 of 3
Continental Device India Limited
## **CMBZ52XX series**
_**RATINGS** (at TA = 25°C unless otherwise specified) Limiting values Total power dissipation up to Tamb = 25 °C* Ptot max. 300_ mW _Total power dissipation up to Tamb = 25 °C** Ptot max. 225_ mW _Storage temperature Tstg –55 to –150 °C Junction temperature Tj max. 150 °C_ _**THERMAL RESISTANCE** From junction to ambient Rth j–a 417 °C_ /W _From junction to ambient Rth j–a 556 °C_ /W
_**CHARACTERISTICS** Tj = 25 °C unless otherwise specified VF = 0.9V Max. @ IF = 10 mA_
|_Device_|_Zener_|_Test_|_ZZK_|_ZZT_|_Max_|_@ VR_|
|---|---|---|---|---|---|---|
||_Voltage_|_Current_|_IZ=0.25mA_|_IZ = IZT_|_IR_|_(V)_|
||_VZ (± 5%)_|_IZT_|_ohm max_|_@10% Mod_|_uA_||
||_Nominal_|_mA_||_ohm max_|_max_||
|_CMBZ-5230B_|_4.7_|_20_|_1900_|_19_|_5.0_|_2.0_|
|_CMBZ-5231B_|_5.1_|_20_|_1600_|_17_|_5.0_|_2.0_|
|_CMBZ-5232B_|_5.6_|_20_|_1600_|_11_|_5.0_|_3.0_|
|_CMBZ-5233B_|_6.0_|_20_|_1600_|_7.0_|_5.0_|_3.5_|
|_CMBZ-5234B_|_6.2_|_20_|_1000_|_7.0_|_5.0_|_4.0_|
|_CMBZ-5235B_|_6.8_|_20_|_750_|_5.0_|_3.0_|_5.0_|
|_CMBZ-5236B_|_7.5_|_20_|_500_|_6.0_|_3.0_|_6.0_|
|_CMBZ-5237B_|_8.2_|_20_|_500_|_8.0_|_3.0_|_6.5_|
|_CMBZ-5238B_|_8.7_|_20_|_600_|_8.0_|_3.0_|_6.5_|
|_CMBZ-5239B_|_9.1_|_20_|_600_|_10_|_3.0_|_7.0_|
|_CMBZ-5240B_|_10_|_20_|_600_|_17_|_3.0_|_8.0_|
|_CMBZ-5241B_|_11_|_20_|_600_|_22_|_2.0_|_8.4_|
|_CMBZ-5242B_|_12_|_20_|_600_|_30_|_1.0_|_9.1_|
|_CMBZ-5243B_|_13_|_9.5_|_600_|_13_|_0.5_|_9.9_|
|_CMBZ-5244B_|_14_|_9.0_|_600_|_15_|_0.1_|_10_|
|_CMBZ-5245B_|_15_|_8.5_|_600_|_16_|_0.1_|_11_|
|_CMBZ-5246B_|_16_|_7.8_|_600_|_17_|_0.1_|_12_|
|_CMBZ-5247B_|_17_|_7.4_|_600_|_19_|_0.1_|_13_|
|_CMBZ-5248B_|_18_|_7.0_|_600_|_21_|_0.1_|_14_|
|_CMBZ-5249B_|_19_|_6.6_|_600_|_23_|_0.1_|_14_|
|_CMBZ-5250B_|_20_|_6.2_|_600_|_25_|_0.1_|_15_|
|_CMBZ-5251B_|_22_|_5.6_|_600_|_29_|_0.1_|_17_|
_* Device mounted on a ceramic alumina of 8 mm × 10 mm × 0.7 mm_
- _** Device mounted on an FR5 printed circuit board_
**Data Sheet**
Page 2 of 3
Continental Device India Limited
## **CMBZ52XX series**
|_Device_|_Zener_|_Test_|_ZZK_|_ZZT_|_Max_|_@ VR_|
|---|---|---|---|---|---|---|
||_Voltage_|_Current_|_IZ=0.25mA_|_IZ = IZT_|_IR_|_(V)_|
||_VZ (± 5%)_|_IZT_|_ohm max_|_@10% Mod_|_uA_||
||_Nominal_|_mA_||_ohm max_|_max_||
|_CMBZ-5252B_|_24_|_5.2_|_600_|_33_|_0.1_|_18_|
|_CMBZ-5253B_|_25_|_5.0_|_600_|_35_|_0.1_|_19_|
|_CMBZ-5254B_|_27_|_4.6_|_600_|_41_|_0.1_|_21_|
|_CMBZ-5255B_|_28_|_4.5_|_600_|_44_|_0.1_|_21_|
|_CMBZ-5256B_|_30_|_4.2_|_600_|_49_|_0.1_|_23_|
|_CMBZ-5257B_|_33_|_3.8_|_700_|_58_|_0.1_|_25_|
## **Disclaimer**
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished on the CDIL Web Site/ CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
## Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India. Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290 e-mail sales@cdil.com www.cdil.com
**Data Sheet**
Page 3 of 3
Continental Device India Limited
## Links
- [View this product on Novapart](https://novapart.co/products/CMBZ5248B/zener-single-diode-cmbz-series-18-v-300-mw-sot-23)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/cdil/cmbz5248b/diode-zener-18v-0-3w/dp/1466624)
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