ORTEC B Series

Totally depleted silicon surface-barrier detectors

ORTEC B Series comprises 74 models (totally depleted silicon surface-barrier detectors). The models differ in active area, depletion depth and warranted resolution, among other things – compare them in the model table.

Detector type: Totally depleted silicon surface barrier1

Download product sheet (PDF)All values with references – for tender documents

Specifications checked against the manufacturer’s documents on 2026-10-16

Manufacturer’s product page (opens in a new tab)

Overview

Nuclear power & nuclear technology Research & laboratories Environmental monitoring & radiation protection

Specifications

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Detector type	Totally depleted silicon surface barrier1
Resolution measurement conditions	²⁴¹Am, 5.486 MeV alphas; standard ORTEC electronics; 0.5 µs shaping time constants1
Measurement and warranty temperature	21 ±1 °C2
Resolution reference geometry	Thin-window point source; distance at least 2 times the detector diameter2
Mount options per product guide	A/T (open back)3
Alpha Suite compatibility	Not guaranteed compatible; requires an approved special for compatibility and warranted specifications3
Contact used for resolution test	≤500 µm thickness: measured through the exit (low-field-strength) contact; >500 µm: through the front contact2

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Models

74 models in the series. Filter or scroll the table to compare.

74 / 74

Model	Minimum active area3	Guaranteed maximum alpha resolution4	Nominal depletion depth4	Depletion depth range4	Ordering condition1
B-015-050-150	≥50 mm²	≤15 keV FWHM	150 µm	125–175 µm	–
B-015-050-200	≥50 mm²	≤15 keV FWHM	200 µm	176–225 µm	–
B-015-050-250	≥50 mm²	≤15 keV FWHM	250 µm	226–275 µm	–
B-015-050-300	≥50 mm²	≤15 keV FWHM	300 µm	276–350 µm	–
B-015-050-400	≥50 mm²	≤15 keV FWHM	400 µm	351–450 µm	–
B-015-050-500	≥50 mm²	≤15 keV FWHM	500 µm	451–550 µm	–
B-015-050-700	≥50 mm²	≤15 keV FWHM	700 µm	650–750 µm	–
B-015-050-1000	≥50 mm²	≤15 keV FWHM	1000 µm	950–1050 µm	–
B-016-050-150	≥50 mm²	≤16 keV FWHM	150 µm	125–175 µm	–
B-016-050-200	≥50 mm²	≤16 keV FWHM	200 µm	176–225 µm	–
B-016-050-250	≥50 mm²	≤16 keV FWHM	250 µm	226–275 µm	–
B-016-050-300	≥50 mm²	≤16 keV FWHM	300 µm	276–350 µm	–
B-016-050-400	≥50 mm²	≤16 keV FWHM	400 µm	351–450 µm	–
B-016-050-500	≥50 mm²	≤16 keV FWHM	500 µm	451–550 µm	–
B-016-050-700	≥50 mm²	≤16 keV FWHM	700 µm	650–750 µm	–
B-016-050-1000	≥50 mm²	≤16 keV FWHM	1000 µm	950–1050 µm	–
B-017-050-1500	≥50 mm²	≤17 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-017-150-150	≥150 mm²	≤17 keV FWHM	150 µm	125–175 µm	–
B-017-150-200	≥150 mm²	≤17 keV FWHM	200 µm	176–225 µm	–
B-017-150-250	≥150 mm²	≤17 keV FWHM	250 µm	226–275 µm	–
B-017-150-300	≥150 mm²	≤17 keV FWHM	300 µm	276–350 µm	–
B-017-150-400	≥150 mm²	≤17 keV FWHM	400 µm	351–450 µm	–
B-017-150-500	≥150 mm²	≤17 keV FWHM	500 µm	451–550 µm	–
B-017-150-700	≥150 mm²	≤17 keV FWHM	700 µm	650–750 µm	–
B-017-150-1000	≥150 mm²	≤17 keV FWHM	1000 µm	950–1050 µm	–
B-018-050-2000	≥50 mm²	≤18 keV FWHM	2000 µm	1950–2050 µm	This depth requires special order according to manufacturer
B-018-150-150	≥150 mm²	≤18 keV FWHM	150 µm	125–175 µm	–
B-018-150-200	≥150 mm²	≤18 keV FWHM	200 µm	176–225 µm	–
B-018-150-250	≥150 mm²	≤18 keV FWHM	250 µm	226–275 µm	–
B-018-150-300	≥150 mm²	≤18 keV FWHM	300 µm	276–350 µm	–
B-018-150-400	≥150 mm²	≤18 keV FWHM	400 µm	351–450 µm	–
B-018-150-500	≥150 mm²	≤18 keV FWHM	500 µm	451–550 µm	–
B-018-150-700	≥150 mm²	≤18 keV FWHM	700 µm	650–750 µm	–
B-018-150-1000	≥150 mm²	≤18 keV FWHM	1000 µm	950–1050 µm	–
B-019-050-1500	≥50 mm²	≤19 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-019-150-1500	≥150 mm²	≤19 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-019-300-150	≥300 mm²	≤19 keV FWHM	150 µm	125–175 µm	–
B-019-300-200	≥300 mm²	≤19 keV FWHM	200 µm	176–225 µm	–
B-019-300-250	≥300 mm²	≤19 keV FWHM	250 µm	226–275 µm	–
B-019-300-300	≥300 mm²	≤19 keV FWHM	300 µm	276–350 µm	–
B-019-300-400	≥300 mm²	≤19 keV FWHM	400 µm	351–450 µm	–
B-019-300-500	≥300 mm²	≤19 keV FWHM	500 µm	451–550 µm	–
B-019-300-700	≥300 mm²	≤19 keV FWHM	700 µm	650–750 µm	–
B-019-300-1000	≥300 mm²	≤19 keV FWHM	1000 µm	950–1050 µm	–
B-020-150-2000	≥150 mm²	≤20 keV FWHM	2000 µm	1950–2050 µm	This depth requires special order according to manufacturer
B-020-300-150	≥300 mm²	≤20 keV FWHM	150 µm	125–175 µm	–
B-020-300-200	≥300 mm²	≤20 keV FWHM	200 µm	176–225 µm	–
B-020-300-250	≥300 mm²	≤20 keV FWHM	250 µm	226–275 µm	–
B-020-300-300	≥300 mm²	≤20 keV FWHM	300 µm	276–350 µm	–
B-020-300-400	≥300 mm²	≤20 keV FWHM	400 µm	351–450 µm	–
B-020-300-500	≥300 mm²	≤20 keV FWHM	500 µm	451–550 µm	–
B-020-300-700	≥300 mm²	≤20 keV FWHM	700 µm	650–750 µm	–
B-020-300-1000	≥300 mm²	≤20 keV FWHM	1000 µm	950–1050 µm	–
B-021-150-1500	≥150 mm²	≤21 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-021-300-1500	≥300 mm²	≤21 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-021-450-500	≥450 mm²	≤21 keV FWHM	500 µm	451–550 µm	–
B-021-450-700	≥450 mm²	≤21 keV FWHM	700 µm	650–750 µm	–
B-021-450-1000	≥450 mm²	≤21 keV FWHM	1000 µm	950–1050 µm	–
B-023-300-2000	≥300 mm²	≤23 keV FWHM	2000 µm	1950–2050 µm	This depth requires special order according to manufacturer
B-023-450-150	≥450 mm²	≤23 keV FWHM	150 µm	125–175 µm	–
B-023-450-200	≥450 mm²	≤23 keV FWHM	200 µm	176–225 µm	–
B-023-450-250	≥450 mm²	≤23 keV FWHM	250 µm	226–275 µm	–
B-023-450-300	≥450 mm²	≤23 keV FWHM	300 µm	276–350 µm	–
B-023-450-400	≥450 mm²	≤23 keV FWHM	400 µm	351–450 µm	–
B-023-450-500	≥450 mm²	≤23 keV FWHM	500 µm	451–550 µm	–
B-023-450-700	≥450 mm²	≤23 keV FWHM	700 µm	650–750 µm	–
B-023-450-1000	≥450 mm²	≤23 keV FWHM	1000 µm	950–1050 µm	–
B-024-450-150	≥450 mm²	≤24 keV FWHM	150 µm	125–175 µm	–
B-024-450-200	≥450 mm²	≤24 keV FWHM	200 µm	176–225 µm	–
B-024-450-250	≥450 mm²	≤24 keV FWHM	250 µm	226–275 µm	–
B-024-450-300	≥450 mm²	≤24 keV FWHM	300 µm	276–350 µm	–
B-024-450-400	≥450 mm²	≤24 keV FWHM	400 µm	351–450 µm	–
B-024-450-1500	≥450 mm²	≤24 keV FWHM	1500 µm	1450–1550 µm	This depth requires special order according to manufacturer
B-026-450-2000	≥450 mm²	≤26 keV FWHM	2000 µm	1950–2050 µm	This depth requires special order according to manufacturer

Documents

PDFB Series – Totally Depleted Silicon Surface Barrier Detectors (brochure 020821)Datasheet · ORTEC

Sources

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

1
B Series Totally Depleted Silicon Surface Barrier Radiation Detector
Publisher: ORTEC (AMETEK)Product page Page heading; Ordering Information, footnote **; Ordering Information, column header "Depletion Depth 1500 µm§" and footnote §; Ordering Information, column header "Depletion Depth 2000 µm§" and footnote § Checked 2026-10-16
2
Introduction to Charged-Particle Detectors
Publisher: ORTEC (AMETEK)Application note p. 8, "Test Data and General Information – Alpha Resolution"; p. 3, "Energy Resolution and Noise" Checked 2026-10-16
3
ORTEC Product Guide
Publisher: ORTEC (AMETEK)Product catalogue PDF p. 11 (printed p. 8), table "Standard Mounting Information"; PDF p. 11 (printed p. 8) "Ordering Information"; same note on the series table page; PDF p. 6 (printed p. 3), table "B Series Totally Depleted Silicon Surface Barrier Detectors"; PDF p. 11 (printed p. 8) " Checked 2026-10-16
4
B Series – Totally Depleted Silicon Surface Barrier Detectors (brochure 020821)
Publisher: ORTEC (AMETEK)Brochure p. 1, Ordering Information table, "Guaranteed Maximum Resolution (keV)**", α column; footnote **; p. 1, Ordering Information table, column "Depletion Depth 150 µm Range: 125–175 µm"; p. 1, Ordering Information table, column "Depletion Depth 200 µm Range: 176–225 µm"; p. 1, Ordering Information table, column "Depletion Depth 250 µm Range: 226–275 µm" … Checked 2026-10-16